public static void CreateSpiralSurface()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgArcStruct ArcGeo = new msgArcStruct();
msgPointStruct ArP1 = new msgPointStruct(-1.0, -3.0, 0.0);
msgPointStruct ArP2 = new msgPointStruct(-1.0, -2.0, 0.0);
msgPointStruct ArP3 = new msgPointStruct(0.0, -3.5, 0.0);
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
msg2DObject ar = msgArc.Create(ArcGeo);
scene.AttachObject(ar);
ar.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
ar.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgPointStruct axeP1 = new msgPointStruct(2.0, -3.0, 0.0);
msgPointStruct axeP2 = new msgPointStruct(2.0, 3.0, 0.0);
msg3DObject spirO = (msg3DObject)msgKinematic.Spiral(ar, null, axeP1, axeP2, 4, 10, 15, false);
scene.AttachObject(spirO);
spirO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 85);
msgVectorStruct transV1 = new msgVectorStruct(0, -11.5, 0);
spirO.InitTempMatrix().Translate(transV1);
spirO.ApplyTempMatrix();
spirO.DestroyTempMatrix();
}
public static void CreateSpheres()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(20.0, 10.0, 0.0, 1.0, -2.0);
for (ushort i = 3; i < 5; i++)
{
msgSphere sp1 = msgSphere.Create(i, 24, 24);
msgVectorStruct transV1 = new msgVectorStruct(5 * (i - 3), 2, 0);
sp1.InitTempMatrix().Translate(transV1);
sp1.ApplyTempMatrix();
sp1.DestroyTempMatrix();
scene.AttachObject(sp1);
sp1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
if (i % 2 > 0)
{
sp1.SetAttribute(msgObjectAttrEnum.SG_OA_DRAW_STATE, (ushort)SG_OA_DRAW_STATEValuesEnum.SGDS_FRAME);
}
}
}
public static void CreateBoxes()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(7.0, 7.0, 1.0, 1.0, -0.3);
msgBox bx1 = msgBox.Create(1, 2, 2.1);
scene.AttachObject(bx1);
bx1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 8);
msgBox bx2 = msgBox.Create(1, 1, 1);
msgVectorStruct transV = new msgVectorStruct();
transV.x = 1.5;
transV.y = 0.0;
transV.z = 0.0;
bx2.InitTempMatrix().Translate(transV);
bx2.ApplyTempMatrix();
bx2.DestroyTempMatrix();
bx2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
bx2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
bx2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_TYPE, 1);
scene.AttachObject(bx2);
}
public static void AddFloorInScene(double size1, double size2,
double x_shift, double y_shift, double z_shift)
{
msgObject[] objects_buffer = new msgObject[4];
objects_buffer[0] = msgLine.Create(size1/2.0, size2/2.0, 0.0,
-size1/2.0, size2/2.0, 0.0);
objects_buffer[1] = msgLine.Create(-size1/2.0, size2/2.0, 0.0,
-size1/2.0, -size2/2.0, 0.0);
objects_buffer[2] = msgLine.Create(-size1/2.0, -size2/2.0, 0.0,
size1/2.0, -size2/2.0, 0.0);
objects_buffer[3] = msgLine.Create(size1/2.0, -size2/2.0, 0.0,
size1/2.0, size2/2.0, 0.0);
msgContour cnt = msgContour.CreateContour(objects_buffer);
msgObject floor = msgSurfaces.Face(cnt, null);
msgObject.DeleteObject(cnt);
msgScene.GetScene().AttachObject(floor);
floor.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV = new msgVectorStruct(x_shift, y_shift, z_shift);
floor.InitTempMatrix().Translate(transV);
floor.ApplyTempMatrix();
floor.DestroyTempMatrix();
}
public Camera()
{
x_axe = new msgVectorStruct();
x_axe.x = 1.0;
x_axe.y = 0.0;
x_axe.z = 0.0;
y_axe = new msgVectorStruct();
y_axe.x = 0.0;
y_axe.y = 1.0;
y_axe.z = 0.0;
z_axe = new msgVectorStruct();
z_axe.x = 0.0;
z_axe.y = 0.0;
z_axe.z = 1.0;
zero_p = new msgVectorStruct();
zero_p.x = 0.0;
zero_p.y = 0.0;
zero_p.z = 0.0;
m_fEyePos = new msgPointStruct();
m_fLookAtPos = new msgPointStruct();
m_fUpVector = new msgVectorStruct();
m_iViewport = new int[4];
ReInit();
}
public static void CreateUnion()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2,1 ,24,24);
msgTorus tor2 = msgTorus.Create(2,0.5 ,24,24);
msgVectorStruct transV1 = new msgVectorStruct(1, 3.5, 0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 5);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 45);
msgVectorStruct transV2 = new msgVectorStruct(-6.5,0,0);
msgGroup bool1 = msgBoolean.Union(tor1, tor2);
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 3);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_DRAW_STATE, (ushort)SG_OA_DRAW_STATEValuesEnum.SGDS_FRAME);
}
public static void CreateBoxes()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(7.0, 7.0, 1.0, 1.0, -0.3);
msgBox bx1 = msgBox.Create(1, 2, 2.1);
scene.AttachObject(bx1);
bx1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 8);
msgBox bx2 = msgBox.Create(1, 1, 1);
msgVectorStruct transV = new msgVectorStruct();
transV.x = 1.5;
transV.y = 0.0;
transV.z = 0.0;
bx2.InitTempMatrix().Translate(transV);
bx2.ApplyTempMatrix();
bx2.DestroyTempMatrix();
bx2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
bx2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
bx2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_TYPE, 1);
scene.AttachObject(bx2);
}
public static void CreateCylinders()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(80.0, 50.0, 20.0, 10.0, 5.0);
for (ushort i = 2; i < 8; i++)
{
msgCylinder cy1 = msgCylinder.Create(i, 2 * i, 24);
msgVectorStruct transV1 = new msgVectorStruct(5 * i, 10, 10);
cy1.InitTempMatrix().Translate(transV1);
cy1.ApplyTempMatrix();
cy1.DestroyTempMatrix();
scene.AttachObject(cy1);
cy1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
if (i % 2 > 0)
{
cy1.SetAttribute(msgObjectAttrEnum.SG_OA_DRAW_STATE, (ushort)SG_OA_DRAW_STATEValuesEnum.SGDS_FRAME);
}
}
}
public void SetRotationAboutEye(double x, double y, double z)
{
msgMatrix matx = new msgMatrix();
msgVectorStruct LookAtPos = new msgVectorStruct();
matx.Rotate(zero_p, x_axe, x / 180.0 * Math.PI);
matx.Rotate(zero_p, z_axe, -z / 180.0 * Math.PI);
LookAtPos.x = 0.0;
LookAtPos.y = m_fFocalLength;
LookAtPos.z = 0.0;
matx.ApplyMatrixToVector(zero_p, LookAtPos);
m_fLookAtPos.x = m_fEyePos.x + LookAtPos.x;
m_fLookAtPos.y = m_fEyePos.y + LookAtPos.y;
m_fLookAtPos.z = m_fEyePos.z + LookAtPos.z;
// Calculate our camera's UpVector using ONLY the 'X' (Pitch) and 'Z' (Yaw)
// parameters
m_fUpVector = z_axe;
matx.ApplyMatrixToVector(zero_p, m_fUpVector);
// Just save the 'y' value for later use when calculating the camera's 'Up' vector
// prior to calling gluLookAt()
m_fRoll = y;
}
public static void AddFloorInScene(double size1, double size2,
double x_shift, double y_shift, double z_shift)
{
msgObject[] objects_buffer = new msgObject[4];
objects_buffer[0] = msgLine.Create(size1 / 2.0, size2 / 2.0, 0.0,
-size1 / 2.0, size2 / 2.0, 0.0);
objects_buffer[1] = msgLine.Create(-size1 / 2.0, size2 / 2.0, 0.0,
-size1 / 2.0, -size2 / 2.0, 0.0);
objects_buffer[2] = msgLine.Create(-size1 / 2.0, -size2 / 2.0, 0.0,
size1 / 2.0, -size2 / 2.0, 0.0);
objects_buffer[3] = msgLine.Create(size1 / 2.0, -size2 / 2.0, 0.0,
size1 / 2.0, size2 / 2.0, 0.0);
msgContour cnt = msgContour.CreateContour(objects_buffer);
msgObject floor = msgSurfaces.Face(cnt, null);
msgObject.DeleteObject(cnt);
msgScene.GetScene().AttachObject(floor);
floor.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV = new msgVectorStruct(x_shift, y_shift, z_shift);
floor.InitTempMatrix().Translate(transV);
floor.ApplyTempMatrix();
floor.DestroyTempMatrix();
}
public Camera()
{
x_axe = new msgVectorStruct();
x_axe.x = 1.0;
x_axe.y = 0.0;
x_axe.z = 0.0;
y_axe = new msgVectorStruct();
y_axe.x = 0.0;
y_axe.y = 1.0;
y_axe.z = 0.0;
z_axe = new msgVectorStruct();
z_axe.x = 0.0;
z_axe.y = 0.0;
z_axe.z = 1.0;
zero_p = new msgVectorStruct();
zero_p.x = 0.0;
zero_p.y = 0.0;
zero_p.z = 0.0;
m_fEyePos = new msgPointStruct();
m_fLookAtPos = new msgPointStruct();
m_fUpVector = new msgVectorStruct();
m_iViewport = new int[4];
ReInit();
}
public static void CreateUnion()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2, 1, 24, 24);
msgTorus tor2 = msgTorus.Create(2, 0.5, 24, 24);
msgVectorStruct transV1 = new msgVectorStruct(1, 3.5, 0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 5);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 45);
msgVectorStruct transV2 = new msgVectorStruct(-6.5, 0, 0);
msgGroup bool1 = msgBoolean.Union(tor1, tor2);
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 3);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_DRAW_STATE, (ushort)SG_OA_DRAW_STATEValuesEnum.SGDS_FRAME);
}
private void PrepareMatrix(double Ox, double Oy, double Oz,
double Rx, double Ry, double Rz,
double Tx, double Ty, double Tz,
ref msgMatrix XForm)
{
XForm.Identity();
msgVectorStruct TransV = new msgVectorStruct();
TransV.x = Tx;
TransV.y = Ty;
TransV.z = Tz;
XForm.Translate(TransV);
XForm.Rotate(zero_p, x_axe, Rx);
XForm.Rotate(zero_p, y_axe, Ry);
XForm.Rotate(zero_p, z_axe, Rz);
msgVectorStruct oV = new msgVectorStruct();
oV.x = Ox;
oV.y = Oy;
oV.z = Oz;
XForm.Translate(oV);
}
public static void CreateSections()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2, 1, 36, 36);
scene.AttachObject(tor1);
msgVectorStruct transV2 = new msgVectorStruct(-6, 0, 0);
for (int i = -30; i < 30; i += 4)
{
msgVectorStruct plN = new msgVectorStruct();
plN.x = 0.0; plN.y = 1.0; plN.z = 1.0;
msgGroup bool1 = msgBoolean.Section(tor1, plN, 0.1 * i);
if (bool1 != null)
{
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, (ushort)(i + 50));
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
}
}
}
public static void CreateIntersectionContours()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2, 1, 36, 36);
msgTorus tor2 = msgTorus.Create(2, 0.6, 36, 36);
msgVectorStruct transV1 = new msgVectorStruct(1, 1, 0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 65);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 105);
msgVectorStruct transV2 = new msgVectorStruct(5, 0, 0.0);
msgGroup bool1 = msgBoolean.IntersectionContour(tor1, tor2);
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
}
public static void CreateSub()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(15.0, 14.0, -2.0, 2.0, -1.0);
msgTorus tor1 = msgTorus.Create(2, 1, 24, 24);
msgTorus tor2 = msgTorus.Create(2, 0.8, 24, 24);
msgVectorStruct transV1 = new msgVectorStruct(1, 1, 0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 5);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV2 = new msgVectorStruct(-6.0, 0, 0);
msgGroup bool1 = msgBoolean.Sub(tor1, tor2);
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 3);
}
public static void CreateExtrudeBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(30.0, 25.0, -2.0, 0.0, -2.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
int fl = 0;
for (double i = 0.0; i < 2.0 * 3.14159265; i += 0.13)
{
tmpPnt.x = ((double)(fl % 3 + 2)) * Math.Cos(i);
tmpPnt.y = ((double)(fl % 3 + 2)) * Math.Sin(i);
tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, fl);
fl++;
}
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgCircleStruct cirGeo = new msgCircleStruct();
msgPointStruct cirC = new msgPointStruct(0.0, 0.0, 0.0);
msgVectorStruct cirNor = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo.FromCenterRadiusNormal(cirC, 1.6, cirNor);
msg2DObject cir = msgCircle.Create(cirGeo);
scene.AttachObject(cir);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgVectorStruct extVec = new msgVectorStruct(1, -2, 5);
msg3DObject exO = (msg3DObject)msgKinematic.Extrude(spl2_obj, new msg2DObject[] { cir }, extVec, true);
scene.AttachObject(exO);
exO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 30);
msgVectorStruct transV1 = new msgVectorStruct(-7, 0, 0);
exO.InitTempMatrix().Translate(transV1);
exO.ApplyTempMatrix();
exO.DestroyTempMatrix();
}
public void GetWorldCoord(int ix, int iy, double fz, ref msgVectorStruct coord)
{
double x, y, z, winX, winY, winZ;
// Fix the yPos value. MS Windows origin 0,0 is upper left
// while OpenGL windows origin 0,0 is lower left...
winX = ix;
winY = m_iViewport[3] - iy;
// Add the camera's focal length, or distance from 'LookAt' to 'Eye' position
// to the given 'z' coordinate.
fz += GetFocalLength();
// Calculate the winZ coordinate:
if (m_bPerspective)
{
// Compensate for perspective view
winZ = 0.5 + (((m_fFar + m_fNear) - (2 * m_fFar * m_fNear) / fz)) / (2 * (m_fFar - m_fNear));
}
else
{
// winZ is linearly interpolated between the Near_Far clipping plane
winZ = (fz - m_fNear) / (m_fFar - m_fNear);
}
// Unproject the point
unsafe
{
fixed(double *m_dModelViewMatrixPtr = m_dModelViewMatrix)
{
fixed(double *m_dProjectionMatrixPtr = m_dProjectionMatrix)
{
fixed(int *m_iViewportPtr = m_iViewport)
{
OpenGLControl.gluUnProject(winX, winY, winZ,
m_dModelViewMatrixPtr,
m_dProjectionMatrixPtr,
m_iViewportPtr,
&x, &y, &z);
}
}
}
}
coord.x = x;
coord.y = y;
coord.z = z;
}
public static void CreateExtrudeBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(30.0, 25.0, -2.0, 0.0, -2.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
int fl=0;
for (double i=0.0;i<2.0*3.14159265;i+=0.13)
{
tmpPnt.x = ((double)(fl%3+2))*Math.Cos(i);
tmpPnt.y = ((double)(fl%3+2))*Math.Sin(i);
tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,fl);
fl++;
}
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgCircleStruct cirGeo = new msgCircleStruct();
msgPointStruct cirC = new msgPointStruct(0.0, 0.0, 0.0);
msgVectorStruct cirNor = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo.FromCenterRadiusNormal(cirC,1.6, cirNor);
msg2DObject cir = msgCircle.Create(cirGeo);
scene.AttachObject(cir);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgVectorStruct extVec = new msgVectorStruct(1,-2,5);
msg3DObject exO = (msg3DObject)msgKinematic.Extrude(spl2_obj, new msg2DObject[] { cir }, extVec,true);
scene.AttachObject(exO);
exO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 30);
msgVectorStruct transV1 = new msgVectorStruct( -7, 0, 0 );
exO.InitTempMatrix().Translate(transV1);
exO.ApplyTempMatrix();
exO.DestroyTempMatrix();
}
public static void CreateRotationSurface()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(15.0, 14.0, -2.0, 2.0, -3.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = 1.0; tmpPnt.y = -3.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 0);
tmpPnt.x = 3.0; tmpPnt.y = -2.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 1);
tmpPnt.x = 2.0; tmpPnt.y = -1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 2);
tmpPnt.x = 3.0; tmpPnt.y = 1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 3);
tmpPnt.x = 2.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 4);
tmpPnt.x = 4.0; tmpPnt.y = 5.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 5);
msgSpline spl2_obj = msgSpline.Create(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl2);
msgPointStruct p1 = new msgPointStruct(0, -2, 0);
msgPointStruct p2 = new msgPointStruct(0, 0, 0);
msg3DObject rO = (msg3DObject)msgKinematic.Rotation(spl2_obj, p1, p2, 250, false);
scene.AttachObject(rO);
rO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 3);
msgVectorStruct transV1 = new msgVectorStruct(-1, 0, 0);
rO.InitTempMatrix().Translate(transV1);
rO.ApplyTempMatrix();
rO.DestroyTempMatrix();
}
public static void CreateRotationSurface()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(15.0, 14.0, -2.0, 2.0, -3.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = 1.0; tmpPnt.y = -3.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,0);
tmpPnt.x = 3.0; tmpPnt.y = -2.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,1);
tmpPnt.x = 2.0; tmpPnt.y = -1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,2);
tmpPnt.x = 3.0; tmpPnt.y = 1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,3);
tmpPnt.x = 2.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,4);
tmpPnt.x =4.0; tmpPnt.y = 5.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,5);
msgSpline spl2_obj = msgSpline.Create(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR,12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl2);
msgPointStruct p1 = new msgPointStruct(0,-2,0);
msgPointStruct p2 = new msgPointStruct(0,0,0);
msg3DObject rO = (msg3DObject)msgKinematic.Rotation(spl2_obj, p1, p2, 250, false);
scene.AttachObject(rO);
rO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 3);
msgVectorStruct transV1 = new msgVectorStruct(-1, 0, 0);
rO.InitTempMatrix().Translate(transV1);
rO.ApplyTempMatrix();
rO.DestroyTempMatrix();
}
public static void CreateRotationBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
int fl = 0;
for (double i = 0.0; i < 2.0 * Math.PI; i += 0.4)
{
tmpPnt.x = ((double)(fl % 3 + 2)) * Math.Cos(i);
tmpPnt.y = ((double)(fl % 3 + 2)) * Math.Sin(i);
tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, fl);
fl++;
}
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl2);
msgPointStruct p1 = new msgPointStruct(10, 10, 0);
msgPointStruct p2 = new msgPointStruct(20, 15, 0);
msg3DObject rO = (msg3DObject)msgKinematic.Rotation(spl2_obj, p1, p2, 290, true);
scene.AttachObject(rO);
rO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 8);
msgVectorStruct transV1 = new msgVectorStruct(-6, 0, 0);
rO.InitTempMatrix().Translate(transV1);
rO.ApplyTempMatrix();
rO.DestroyTempMatrix();
}
public static void CreateCones()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(200.0, 100.0, 50.0, 10.0, 5.0);
for (ushort i = 2; i < 10; i++)
{
msgCone co1 = msgCone.Create(i, i / 3, 10 * i, 36);
msgVectorStruct transV1 = new msgVectorStruct(10 * i, 10, 10);
co1.InitTempMatrix().Translate(transV1);
co1.ApplyTempMatrix();
co1.DestroyTempMatrix();
scene.AttachObject(co1);
co1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
}
}
public static void CreateBands()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(40.0, 40.0, 15.0, 10.0, 0.0);
for (ushort i = 2; i < 5; i++)
{
msgSphericBand sb1 = msgSphericBand.Create(i, -0.4, 0.5, 24);
msgVectorStruct transV1 = new msgVectorStruct(5 * i, 10, 10);
sb1.InitTempMatrix().Translate(transV1);
sb1.ApplyTempMatrix();
sb1.DestroyTempMatrix();
scene.AttachObject(sb1);
sb1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
}
}
public static void CreateExtrudeSurfaces()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
int fl = 0;
for (double i = 0.0; i < 10.0; i += 1.0)
{
tmpPnt.x = i;
tmpPnt.y = (fl % 2 > 0)?-i / 2.0:i / 2.0;
tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, fl);
fl++;
}
msgSpline spl2_obj = msgSpline.Create(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl2);
msgVectorStruct extVec = new msgVectorStruct(1, -2, 3);
msg3DObject exO = (msg3DObject)msgKinematic.Extrude(spl2_obj, null, extVec, false);
scene.AttachObject(exO);
exO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 20);
msgVectorStruct transV1 = new msgVectorStruct(8, 0, 0);
exO.InitTempMatrix().Translate(transV1);
exO.ApplyTempMatrix();
exO.DestroyTempMatrix();
}
public static void CreateSpiralBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgCircleStruct cirGeo1 = new msgCircleStruct();
msgPointStruct cirC1 = new msgPointStruct(2.0, -2.0, 0.0);
msgVectorStruct cirNor1 = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo1.FromCenterRadiusNormal(cirC1, 3.0, cirNor1);
msg2DObject cir1 = msgCircle.Create(cirGeo1);
scene.AttachObject(cir1);
cir1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgCircleStruct cirGeo2 = new msgCircleStruct();
msgPointStruct cirC2 = new msgPointStruct(2.0, -2.3, 0.0);
msgVectorStruct cirNor2 = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo2.FromCenterRadiusNormal(cirC2, 1.5, cirNor2);
msg2DObject cir2 = msgCircle.Create(cirGeo2);
scene.AttachObject(cir2);
cir2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgPointStruct axeP1 = new msgPointStruct(6.0, -3.0, 0.0);
msgPointStruct axeP2 = new msgPointStruct(6.0, 3.0, 0.0);
msg3DObject spirO = (msg3DObject)msgKinematic.Spiral(cir1, new msg2DObject[] { cir2 }, axeP1, axeP2, 12, 30, 16, true);
scene.AttachObject(spirO);
spirO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 56);
msgVectorStruct transV1 = new msgVectorStruct(0, 7, 0);
spirO.InitTempMatrix().Translate(transV1);
spirO.ApplyTempMatrix();
spirO.DestroyTempMatrix();
}
public static void CreateBands()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(40.0, 40.0, 15.0, 10.0, 0.0);
for (ushort i = 2; i < 5; i++)
{
msgSphericBand sb1 = msgSphericBand.Create(i, -0.4, 0.5, 24);
msgVectorStruct transV1 = new msgVectorStruct(5 * i, 10, 10);
sb1.InitTempMatrix().Translate(transV1);
sb1.ApplyTempMatrix();
sb1.DestroyTempMatrix();
scene.AttachObject(sb1);
sb1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
}
}
public static void CreateCones()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(200.0, 100.0, 50.0, 10.0, 5.0);
for (ushort i = 2; i < 10; i++)
{
msgCone co1 = msgCone.Create(i, i / 3, 10 * i, 36);
msgVectorStruct transV1 = new msgVectorStruct(10 * i, 10, 10);
co1.InitTempMatrix().Translate(transV1);
co1.ApplyTempMatrix();
co1.DestroyTempMatrix();
scene.AttachObject(co1);
co1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
}
}
public void GetVectorsForRayTracingCamera(msgVectorStruct eye_loc,
msgVectorStruct eye_look_at,
msgVectorStruct eye_y,
msgVectorStruct eye_x)
{
double xval = eye_loc.x;
double yval = eye_loc.y;
double zval = eye_loc.z;
GetEyePos(ref xval, ref yval, ref zval);
eye_loc.x = xval;
eye_loc.y = yval;
eye_loc.z = zval;
double xval2 = eye_look_at.x;
double yval2 = eye_look_at.y;
double zval2 = eye_look_at.z;
GetLookAtPos(ref xval2, ref yval2, ref zval2);
eye_look_at.x = xval2;
eye_look_at.y = yval2;
eye_look_at.z = zval2;
msgVectorStruct p1 = new msgVectorStruct();
msgVectorStruct p2 = new msgVectorStruct();
GetWorldCoord(m_iScreenWidth / 2, m_iScreenHeight / 2, 0.0, ref p1);
GetWorldCoord(m_iScreenWidth / 2, 0, 0.0, ref p2);
eye_y = msgSpaceMath.VectorsSub(p2, p1);
msgSpaceMath.NormalVector(eye_y);
GetWorldCoord(m_iScreenWidth, m_iScreenHeight / 2, 0.0, ref p2);
eye_x = msgSpaceMath.VectorsSub(p2, p1);
msgSpaceMath.NormalVector(eye_x);
}
public static void CreateCylinders()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(80.0, 50.0, 20.0, 10.0, 5.0);
for (ushort i = 2; i < 8; i++)
{
msgCylinder cy1 = msgCylinder.Create(i, 2 * i, 24);
msgVectorStruct transV1 = new msgVectorStruct(5 * i, 10, 10);
cy1.InitTempMatrix().Translate(transV1);
cy1.ApplyTempMatrix();
cy1.DestroyTempMatrix();
scene.AttachObject(cy1);
cy1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
if (i % 2 > 0)
{
cy1.SetAttribute(msgObjectAttrEnum.SG_OA_DRAW_STATE, (ushort)SG_OA_DRAW_STATEValuesEnum.SGDS_FRAME);
}
}
}
public static void CreateEllipsoids()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(100.0, 50.0, 50.0, 10.0, 2.0);
Random rand = new Random();
for (ushort i = 3; i < 10; i++)
{
msgEllipsoid ell1 = msgEllipsoid.Create(i, i / 6 + 2, 2 * i, 24, 24);
msgPointStruct rotCen = new msgPointStruct(0.0, 0.0, 0.0);
msgVectorStruct rotDir = new msgVectorStruct(rand.Next(), rand.Next(), rand.Next());
ell1.InitTempMatrix().Rotate(rotCen, rotDir, rand.Next() * 360);
msgVectorStruct transV1 = new msgVectorStruct(10 * i, 10, 10);
ell1.GetTempMatrix().Translate(transV1);
ell1.ApplyTempMatrix();
ell1.DestroyTempMatrix();
scene.AttachObject(ell1);
ell1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
}
}
public static void CreateSpheres()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(20.0, 10.0, 0.0, 1.0, -2.0);
for (ushort i = 3; i < 5; i++)
{
msgSphere sp1 = msgSphere.Create(i, 24, 24);
msgVectorStruct transV1 = new msgVectorStruct(5 * (i - 3), 2, 0);
sp1.InitTempMatrix().Translate(transV1);
sp1.ApplyTempMatrix();
sp1.DestroyTempMatrix();
scene.AttachObject(sp1);
sp1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, i);
if (i % 2 > 0)
{
sp1.SetAttribute(msgObjectAttrEnum.SG_OA_DRAW_STATE, (ushort)SG_OA_DRAW_STATEValuesEnum.SGDS_FRAME);
}
}
}
public static void CreateFromClips()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
tmpPnt.x = 98.0; tmpPnt.y = 0.0; tmpPnt.z = -13.0;
spl1.AddKnot(tmpPnt,0);
tmpPnt.x = 85.0; tmpPnt.y = 0.0; tmpPnt.z = 19.0;
spl1.AddKnot(tmpPnt,1);
tmpPnt.x = 43.0; tmpPnt.y = 0.0; tmpPnt.z = -31.0;
spl1.AddKnot(tmpPnt,2);
tmpPnt.x = 5.0; tmpPnt.y = 0.0; tmpPnt.z = -3.0;
spl1.AddKnot(tmpPnt,3);
tmpPnt.x = -11.0; tmpPnt.y = 0.0; tmpPnt.z = -39.0;
spl1.AddKnot(tmpPnt,4);
tmpPnt.x =-48.0; tmpPnt.y = 0.0; tmpPnt.z = 23.0;
spl1.AddKnot(tmpPnt,5);
tmpPnt.x =-125.0; tmpPnt.y = 0.0; tmpPnt.z = 23.0;
spl1.AddKnot(tmpPnt,6);
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = 96.0; tmpPnt.y = 150.0; tmpPnt.z = 8.0;
spl2.AddKnot(tmpPnt,0);
tmpPnt.x = 66.0; tmpPnt.y = 150.0; tmpPnt.z = -20.0;
spl2.AddKnot(tmpPnt,1);
tmpPnt.x = 12.0; tmpPnt.y = 150.0; tmpPnt.z = 37.0;
spl2.AddKnot(tmpPnt,2);
tmpPnt.x = -128.0; tmpPnt.y = 150.0; tmpPnt.z = -23.0;
spl2.AddKnot(tmpPnt,3);
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgLine ln_obj = msgLine.Create(100.0,100.0,50.0, -121.0,100.0,-50.0);
scene.AttachObject(ln_obj);
ln_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
ln_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgArcStruct arcG = new msgArcStruct();
msgPointStruct arcBeg = new msgPointStruct(98.0, 50.0 , -80.0);
msgPointStruct arcEnd = new msgPointStruct(-117.0, 50.0 , -80.0);
msgPointStruct arcMid = new msgPointStruct(-55.0, 50.0 , -50.0);
arcG.FromThreePoints(arcBeg,arcEnd,arcMid,false);
msgArc arc_obj = msgArc.Create(arcG);
scene.AttachObject(arc_obj);
arc_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
arc_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msg2DObject[] objcts = new msg2DObject[4];
objcts[0] = spl1_obj;
objcts[1] = arc_obj;
objcts[2] = ln_obj;
objcts[3] = spl2_obj;
double[] param = new double[4];
param[0] = param[1] = param[2] = param[3] = 0.0;
msgObject surf = msgSurfaces.SplineSurfaceFromSections(objcts, param, false);
scene.AttachObject(surf);
surf.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 24);
msgVectorStruct transV1 = new msgVectorStruct(0,0,-5);
surf.InitTempMatrix().Translate(transV1);
surf.ApplyTempMatrix();
surf.DestroyTempMatrix();
}
public static void CreatePipeBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgObject[] objcts = new msgObject[5];
msgPointStruct ArP1 = new msgPointStruct();
msgPointStruct ArP2 = new msgPointStruct();
msgPointStruct ArP3 = new msgPointStruct();
msgArcStruct ArcGeo = new msgArcStruct();
ArP1.x = 0.0; ArP1.y = -2.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = -1.0; ArP2.z = 0.0;
ArP3.x = 0.4; ArP3.y = -1.2; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[0] = msgArc.Create(ArcGeo);
ArP1.x = 1.0; ArP1.y = -1.0; ArP1.z = 0.0;
ArP2.x = 2.0; ArP2.y = 0.0; ArP2.z = 0.0;
ArP3.x = 1.9; ArP3.y = -0.5; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[1] = msgArc.Create(ArcGeo);
ArP1.x = 2.0; ArP1.y = 0.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = 1.0; ArP2.z = 0.0;
ArP3.x = 1.6; ArP3.y = 0.8; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[2] = msgArc.Create(ArcGeo);
objcts[3] = msgLine.Create(1.0, 1.0, 0.0, -1.0, 1.0, 0.0);
ArP1.x = -1.0; ArP1.y = 1.0; ArP1.z = 0.0;
ArP2.x = -1.0; ArP2.y = 0.0; ArP2.z = 1.0;
ArP3.x = -1.1; ArP3.y = 1.0; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[4] = msgArc.Create(ArcGeo);
msgContour cnt1 = msgContour.CreateContour(objcts);
scene.AttachObject(cnt1);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
ArP1.x = -0.2; ArP1.y = -0.2; ArP1.z = 0.0;
ArP2.x = -0.1; ArP2.y = 0.2; ArP2.z = 0.0;
ArP3.x = -0.3; ArP3.y = 0.1; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[0] = msgArc.Create(ArcGeo);
ArP1.x = -0.1; ArP1.y = 0.2; ArP1.z = 0.0;
ArP2.x = 0.3; ArP2.y = 0.5; ArP2.z = 0.0;
ArP3.x = 0.2; ArP3.y = 0.6; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[1] = msgArc.Create(ArcGeo);
ArP1.x = 0.3; ArP1.y = 0.5; ArP1.z = 0.0;
ArP2.x = -0.2; ArP2.y = -0.2; ArP2.z = 0.0;
ArP3.x = 0.6; ArP3.y = -0.4; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[2] = msgArc.Create(ArcGeo);
msgObject[] objcts2 = null;
Array.Copy(objcts, objcts2, 3);
msgContour cnt2 = msgContour.CreateContour(objcts2);
scene.AttachObject(cnt2);
cnt2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cnt2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgCircleStruct cirGeo = new msgCircleStruct();
msgPointStruct cirC = new msgPointStruct(0.3, -0.1, 0.0);
msgVectorStruct cirNor = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo.FromCenterRadiusNormal(cirC, 0.31, cirNor);
msg2DObject cir = msgCircle.Create(cirGeo);
scene.AttachObject(cir);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgPointStruct point_in_plane = new msgPointStruct(0.0, 0.0, 0.0);
bool close = true;
msg3DObject pipO = (msg3DObject)msgKinematic.Pipe(cnt2, new msg2DObject[] { cir }, cnt1, point_in_plane, 0.0, ref close);
scene.AttachObject(pipO);
pipO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV1 = new msgVectorStruct(3.0, 1.0, 0);
pipO.InitTempMatrix().Translate(transV1);
pipO.ApplyTempMatrix();
pipO.DestroyTempMatrix();
}
public static void CreateIntersectionContours()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2,1 ,36,36);
msgTorus tor2 = msgTorus.Create(2,0.6 ,36,36);
msgVectorStruct transV1 = new msgVectorStruct(1,1,0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR,65);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR,105);
msgVectorStruct transV2 = new msgVectorStruct(5,0,0.0);
msgGroup bool1 = msgBoolean.IntersectionContour(tor1, tor2);
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
}
public static void CreateFace()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = -1.0; tmpPnt.y = -3.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 0);
tmpPnt.x = -3.0; tmpPnt.y = 0.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 1);
tmpPnt.x = -1.0; tmpPnt.y = -1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 2);
tmpPnt.x = 0.0; tmpPnt.y = 1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 3);
tmpPnt.x = -1.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 4);
tmpPnt.x = 3.0; tmpPnt.y = 1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 5);
tmpPnt.x = 2.0; tmpPnt.y = -3.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 6);
tmpPnt.x = 1.0; tmpPnt.y = -1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 7);
tmpPnt.x = 1.0; tmpPnt.y = -4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 8);
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msg2DObject[] holes = new msg2DObject[3];
msgCircleStruct cirGeo = new msgCircleStruct();
msgPointStruct cirC = new msgPointStruct(0.8, 1.0, 0.0);
msgVectorStruct cirNor = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo.FromCenterRadiusNormal(cirC, 0.8, cirNor);
holes[0] = msgCircle.Create(cirGeo);
scene.AttachObject(holes[0]);
holes[0].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
holes[0].SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
cirC.x = 1.6; cirC.y = -1.0;
cirGeo.FromCenterRadiusNormal(cirC, 0.2, cirNor);
holes[1] = msgCircle.Create(cirGeo);
scene.AttachObject(holes[1]);
holes[1].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
holes[1].SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
cirC.x = 0.0; cirC.y = -1.0;
cirGeo.FromCenterRadiusNormal(cirC, 0.4, cirNor);
holes[2] = msgCircle.Create(cirGeo);
scene.AttachObject(holes[2]);
holes[2].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
holes[2].SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msg3DObject fcO = (msg3DObject)msgSurfaces.Face(spl2_obj, holes);
scene.AttachObject(fcO);
fcO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 50);
msgVectorStruct transV1 = new msgVectorStruct(-5, 0, 0);
fcO.InitTempMatrix().Translate(transV1);
fcO.ApplyTempMatrix();
fcO.DestroyTempMatrix();
}
public static void CreateIntersection()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2,1 ,24,24);
msgTorus tor2 = msgTorus.Create(2,0.3 ,24,24);
msgVectorStruct transV1 = new msgVectorStruct(1, 1, 0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 5);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 45);
msgVectorStruct transV2 = new msgVectorStruct(0, 0, 1.5);
msgGroup bool1 = msgBoolean.Intersection(tor1, tor2);
int ChCnt = bool1.GetChildrenList().GetCount();
msgObject[] allChilds = null;
bool1.BreakGroup(ref allChilds);
msgObject.DeleteObject(bool1);
for (ushort i=0; i < ChCnt;i++)
{
allChilds[i].InitTempMatrix().Translate(transV2);
allChilds[i].ApplyTempMatrix();
allChilds[i].DestroyTempMatrix();
scene.AttachObject(allChilds[i]);
allChilds[i].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, (ushort)(10+i));
}
msgBox bx1 = msgBox.Create(2, 2, 1);
msgSphere sp1 = msgSphere.Create(1, 24, 24);
msgVectorStruct transV4 = new msgVectorStruct(3, 3, 0);
bx1.InitTempMatrix().Translate(transV4);
bx1.ApplyTempMatrix();
bx1.DestroyTempMatrix();
scene.AttachObject(bx1);
bx1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 55);
msgVectorStruct transV5 = new msgVectorStruct(3, 4, 0);
sp1.InitTempMatrix().Translate(transV5);
sp1.ApplyTempMatrix();
sp1.DestroyTempMatrix();
scene.AttachObject(sp1);
sp1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 75);
msgGroup bool2 = msgBoolean.Intersection(sp1, bx1);
ChCnt = bool2.GetChildrenList().GetCount();
bool2.BreakGroup(ref allChilds);
msgObject.DeleteObject(bool2);
for (ushort i = 0; i < ChCnt; i++)
{
allChilds[i].InitTempMatrix().Translate(transV2);
allChilds[i].ApplyTempMatrix();
allChilds[i].DestroyTempMatrix();
scene.AttachObject(allChilds[i]);
allChilds[i].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, (ushort)(10 + i));
}
}
public static void CreateCoonsFrom3Curves()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl1.AddKnot(tmpPnt, 0);
tmpPnt.x = -5.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt, 1);
tmpPnt.x = -3.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl1.AddKnot(tmpPnt, 2);
tmpPnt.x = -2.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt, 3);
tmpPnt.x = -1.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt, 4);
tmpPnt.x = 2.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt, 5);
tmpPnt.x = 2.0; tmpPnt.y = 0.0; tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt, 6);
tmpPnt.x = 4.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt, 7);
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl2.AddKnot(tmpPnt, 0);
tmpPnt.x = -6.0; tmpPnt.y = 0.5; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 1);
tmpPnt.x = -6.0; tmpPnt.y = 2.0; tmpPnt.z = -1.0;
spl2.AddKnot(tmpPnt, 2);
tmpPnt.x = -6.0; tmpPnt.y = 3.0; tmpPnt.z = 1.0;
spl2.AddKnot(tmpPnt, 3);
tmpPnt.x = -4.0; tmpPnt.y = 4.0; tmpPnt.z = 1.0;
spl2.AddKnot(tmpPnt, 4);
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 50);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 3);
msgPointStruct ArP1 = new msgPointStruct();
msgPointStruct ArP2 = new msgPointStruct();
msgPointStruct ArP3 = new msgPointStruct();
msgArcStruct ArcGeo = new msgArcStruct();
ArP1.x = -4.0; ArP1.y = 4.0; ArP1.z = 1.0;
ArP2.x = 4.0; ArP2.y = 0.0; ArP2.z = 1.0;
ArP3.x = 0.0; ArP3.y = 5.0; ArP3.z = -4.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
msgArc arcObj = msgArc.Create(ArcGeo);
scene.AttachObject(arcObj);
arcObj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 20);
arcObj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 3);
msg3DObject coons = (msg3DObject)msgSurfaces.Coons(spl1_obj, spl2_obj, arcObj, null, 36, 36, 4, 4);
scene.AttachObject(coons);
coons.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 4);
msgVectorStruct transV1 = new msgVectorStruct(0, 0, -0.4);
coons.InitTempMatrix().Translate(transV1);
coons.ApplyTempMatrix();
coons.DestroyTempMatrix();
}
public static void CreateLinear()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(30.0, 30.0, 2.0, 5.0, -2.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
int fl = 0;
for (double i = 0.0; i < 2.0 * 3.14159265; i += 0.4)
{
tmpPnt.x = ((double)(fl % 3 + 2)) * Math.Cos(i);
tmpPnt.y = ((double)(fl % 3 + 2)) * Math.Sin(i);
tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt, fl);
fl++;
}
spl1.Close();
msgSpline spl1_obj = msgSpline.Create(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl1);
msgCircleStruct cirGeo = new msgCircleStruct();
cirGeo.center.x = 2.0; cirGeo.center.y = -2.0; cirGeo.center.z = 8.0;
cirGeo.normal.x = 0.0; cirGeo.normal.y = 0.0; cirGeo.normal.z = 1.0;
cirGeo.radius = 1.5;
msgCircle cir = msgCircle.Create(cirGeo);
scene.AttachObject(cir);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msg3DObject linO1 = (msg3DObject)msgSurfaces.LinearSurfaceFromSections(spl1_obj,
cir, 0.5f, false);
scene.AttachObject(linO1);
linO1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 90);
msgVectorStruct transV1 = new msgVectorStruct(0, 7, 0);
linO1.InitTempMatrix().Translate(transV1);
linO1.ApplyTempMatrix();
linO1.DestroyTempMatrix();
msg3DObject linO2 = (msg3DObject)msgSurfaces.LinearSurfaceFromSections(spl1_obj,
cir, 0.7f, true);
scene.AttachObject(linO2);
linO2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 150);
transV1.x = 8.0; transV1.y = 0.0;
linO2.InitTempMatrix().Translate(transV1);
linO2.ApplyTempMatrix();
linO2.DestroyTempMatrix();
msg3DObject linO3 = (msg3DObject)msgSurfaces.LinearSurfaceFromSections(spl1_obj,
cir, 0.3f, false);
scene.AttachObject(linO3);
linO3.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 30);
transV1.x = -8.0; transV1.y = 0.0;
linO3.InitTempMatrix().Translate(transV1);
linO3.ApplyTempMatrix();
linO3.DestroyTempMatrix();
}
public void FitBounds(double minX, double minY, double minZ,
double maxX, double maxY, double maxZ)
{
BoundingPlane boundsRight = new BoundingPlane();
BoundingPlane boundsLeft = new BoundingPlane();
BoundingPlane boundsTop = new BoundingPlane();
BoundingPlane boundsBottom = new BoundingPlane();
BoundingPlane boundsNear = new BoundingPlane();
BoundingPlane boundsFar = new BoundingPlane();
msgVectorStruct boundsMax = new msgVectorStruct();
msgVectorStruct boundsMin = new msgVectorStruct();
msgVectorStruct vecCenter = new msgVectorStruct();
msgVectorStruct[] vertices = new msgVectorStruct[8];
for (int i = 0; i < vertices.Length; i++)
{
vertices[i] = new msgVectorStruct();
}
msgVectorStruct vecOffset = new msgVectorStruct();
msgMatrix matrix = new msgMatrix();
double focalLength = 0;
double fDepthWidth = 0;
double fDepthHeight = 0;
double rx = 0;
double ry = 0;
double rz = 0;
double fTan = 0;
double fx = 0;
double fz = 0;
fTan = (double)Math.Tan((float)Utils.Radiansf(m_fFovY/2));
// Get the cameras rotatiom about the LookAt position, as we
// will use this to restore the rotation values after we move
// the camera and it's focal length.
GetRotationAboutLookAt(ref rx, ref ry, ref rz);
// Copy the bounds to our local variable
boundsMin.x = minX; boundsMin.y = minY; boundsMin.z = minZ;
boundsMax.x = maxX; boundsMax.y = maxY; boundsMax.z = maxZ;
double spanX, spanY, spanZ;
spanX = Utils.Diff(boundsMax.x, boundsMin.x);
spanY = Utils.Diff(boundsMax.y, boundsMin.y);
spanZ = Utils.Diff(boundsMax.z, boundsMin.z);
vecCenter.x = boundsMax.x - Math.Abs(spanX)/2;
vecCenter.y = boundsMax.y - Math.Abs(spanY)/2;
vecCenter.z = boundsMax.z - Math.Abs(spanZ)/2;
boundsMax.x = spanX/2;
boundsMax.y = spanY/2;
boundsMax.z = spanZ/2;
boundsMin.x = -spanX/2;
boundsMin.y = -spanY/2;
boundsMin.z = -spanZ/2;
// Given the bounding box, fill in the missing vertices to complete our
// cube
vertices[0] = boundsMax; // Left
vertices[1].x = boundsMax.x; vertices[1].y = boundsMax.y; vertices[1].z = boundsMin.x;
vertices[2].x = boundsMax.x; vertices[2].y = boundsMin.y; vertices[2].z = boundsMin.x;
vertices[3].x = boundsMax.x; vertices[3].y = boundsMin.y; vertices[3].z = boundsMax.x;
vertices[4] = boundsMin;
vertices[5].x = boundsMin.x; vertices[5].y = boundsMin.y; vertices[5].z = boundsMax.x;
vertices[6].x = boundsMin.x; vertices[6].y = boundsMax.y; vertices[6].z = boundsMax.x;
vertices[7].x = boundsMin.x; vertices[7].y = boundsMax.y; vertices[7].z = boundsMin.x;
// Get the cameras rotation matrix
GetRotationMatrix(ref matrix);
for(int i=0; i<8; i++)
{
// Transform the vertice by the camera rotation matrix. Since we define the
// default 'Up' camera position as Z-axis Up, the coordinates map as follows:
// X maps to Width,
// Y maps to Depth
// Z mpas to Height
zero_p.x = zero_p.y =zero_p.z =0.0;
matrix.ApplyMatrixToVector(zero_p, vertices[i]);
// Calculate the focal length needed to fit the near bounding plane
fDepthWidth = (Math.Abs(vertices[i].x)/fTan/m_fAspect)-vertices[i].y;
fDepthHeight = (Math.Abs(vertices[i].z) / fTan) - vertices[i].y;
// Calculate the Near clipping bounds. This will be used to fit Isometric views and
// for calculating the Near/Far clipping m_fFrustum.
if(vertices[i].y<0)
{
if (Math.Abs(vertices[i].x) > Math.Abs(boundsNear.vec.x) ||
(Math.Abs(vertices[i].x) == boundsNear.vec.x && Math.Abs(vertices[i].y) > Math.Abs(boundsNear.vec.z)))
{
boundsNear.vec.x = Math.Abs(vertices[i].x);
boundsNear.vec.z = Math.Abs(vertices[i].y);
}
if (Math.Abs(vertices[i].z) > Math.Abs(boundsNear.vec.y) ||
(Math.Abs(vertices[i].z) == boundsNear.vec.y))
{
boundsNear.vec.y = Math.Abs(vertices[i].z);
//boundsNear.vec[W] = fabs(vertices[i].y);
}
// Get the bounding depth closest to the viewer
if(fDepthWidth < boundsNear.fDepth || boundsNear.fDepth == 0)
boundsNear.fDepth = fDepthWidth;
if(fDepthHeight < boundsNear.fDepth || boundsNear.fDepth == 0)
boundsNear.fDepth = fDepthHeight;
}
else
{
if( Math.Abs(vertices[i].x) > Math.Abs(boundsFar.vec.x) ||
(Math.Abs(vertices[i].x) == boundsFar.vec.x && Math.Abs(vertices[i].y) < Math.Abs(boundsFar.vec.z)) )
{
boundsFar.vec.x = vertices[i].x;
boundsFar.vec.z = vertices[i].y;
}
if( Math.Abs(vertices[i].z) > Math.Abs(boundsFar.vec.y) ||
(Math.Abs(vertices[i].z) == Math.Abs(boundsFar.vec.y)) )
{
boundsFar.vec.y = vertices[i].z;
//boundsFar.vec[W] = vertices[i].y;
}
// Get the bounding depth furtherest from the viewer
if(fDepthWidth > boundsFar.fDepth)
boundsFar.fDepth = fDepthWidth;
if(fDepthHeight > boundsFar.fDepth)
boundsFar.fDepth = fDepthHeight;
}
// Calculate the Right, Left, Top and Bottom clipping bounds. This will be used to fit
// Perspective views.
if(vertices[i].x > 0)
{
if(fDepthWidth > boundsRight.fDepth)
{
boundsRight.fDepth = fDepthWidth;
boundsRight.vec.x = vertices[i].x;
//boundsRight.vec[W] = vertices[i].y;
}
}
if(vertices[i].x <= 0)
{
if(fDepthWidth > boundsLeft.fDepth)
{
boundsLeft.fDepth = fDepthWidth;
boundsLeft.vec.x = vertices[i].x;
//boundsLeft.vec[W] = vertices[i].y;
}
}
if(vertices[i].z > 0)
{
if(fDepthHeight > boundsTop.fDepth)
{
boundsTop.fDepth = fDepthHeight;
boundsTop.vec.x = vertices[i].x;
//boundsTop.vec[W] = vertices[i].y;
}
}
if(vertices[i].z <= 0)
{
if(fDepthHeight > boundsBottom.fDepth)
{
boundsBottom.fDepth = fDepthHeight;
boundsBottom.vec.x = vertices[i].x;
//boundsBottom.vec[W] = vertices[i].y;
}
}
}
// Now that we have the view clipping bounds, we can calculate the focal depth
// required to fit the volumn and the offset necessary to center the volumn.
if (m_bPerspective)
{
msgMatrix invMatrix = new msgMatrix();
if (boundsRight.fDepth == boundsLeft.fDepth &&
boundsTop.fDepth == boundsBottom.fDepth)
{
// Front, Side or Top view
// Since the bounds are symetric, just use the Right and Top focal depth.
fx = boundsRight.fDepth;
fz = boundsTop.fDepth;
// No offset necessary
vecOffset.x = vecOffset.y = vecOffset.z = 0.0;
}
else
{
// Calculate the average focal length needed to fit the bounding box
fx = (boundsRight.fDepth + boundsLeft.fDepth) / 2;
fz = (boundsTop.fDepth + boundsBottom.fDepth) / 2;
// Calculate the offset necessary to center the bounding box. Note that we
// use a scaling factor for centering the non-limiting bounds to achieve a
// more visually appealing center.
if (fx > fz)
{
double fScale = Math.Sqrt(boundsTop.fDepth / boundsBottom.fDepth);
double fTop = fTan * fx - fTan * boundsTop.fDepth;
double fBottom = fTan * fx - fTan * boundsBottom.fDepth;
vecOffset.x = (fTan * m_fAspect * boundsRight.fDepth - fTan * m_fAspect * fx);
vecOffset.z = (fBottom - fTop * fScale) / 2;
}
else
{
double fScale = Math.Sqrt(boundsLeft.fDepth / boundsRight.fDepth);
double fRight = fTan * m_fAspect * fz - fTan * m_fAspect * boundsRight.fDepth;
double fLeft = fTan * m_fAspect * fz - fTan * m_fAspect * boundsLeft.fDepth;
vecOffset.z = (fTan * boundsTop.fDepth - fTan * fz);
vecOffset.x = (fLeft - fRight * fScale) / 2;
}
}
// Now that we have the offsets necessary to center the bounds, we must rotate
// the vertices (camera coordinates) by the cameras inverse rotation matrix to
// convert the offsets to world coordinates.
GetInvRotationMatrix(ref invMatrix);
zero_p.x = zero_p.y = zero_p.z = 0.0;
invMatrix.ApplyMatrixToVector(zero_p, vecOffset);
}
else
{
// Isometric View
// Calculate the focal length needed to fit the near bounding plane
if (m_iScreenWidth <= m_iScreenHeight)
{
fx = boundsNear.vec.x / Math.Tan((float)Utils.Radiansf(m_fFovY / 2));
fz = boundsNear.vec.y / Math.Tan((float)Utils.Radiansf(m_fFovY / 2)) / ((double)m_iScreenHeight / (double)m_iScreenWidth);
}
else
{
fx = boundsNear.vec.x / Math.Tan((float)Utils.Radiansf(m_fFovY / 2)) / m_fAspect;
fz = boundsNear.vec.y / Math.Tan((float)Utils.Radiansf(m_fFovY / 2));
}
}
// Set the focal length equal to the largest length required to fit either the
// Width (Horizontal) or Height (Vertical)
focalLength = (fx > fz ? fx : fz);
// Set the camera's new LookAt position to focus on the center
// of the bounding box.
SetLookAtPos(vecCenter.x + vecOffset.x, vecCenter.y + vecOffset.y, vecCenter.z + vecOffset.z);
// Set the camera focal Length
if (focalLength > m_fNear)
SetFocalLength(focalLength, true);
// Adjust the Near clipping plane if necessary
// if((boundsNear.fDepth/2) > 0.5f)
// m_fNear = boundsNear.fDepth/2;
// Adjust the Far clipping plane if necessary
if (focalLength + boundsFar.fDepth > m_fFar)
m_fFar = focalLength + boundsFar.fDepth;
// Recalculate the camera view m_fFrustum;
ResetView(0, 0);
// Restore the cameras rotation about the LookAt position
SetRotationAboutLookAt(rx, ry, rz);
}
public static void CreateLinear()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(30.0, 30.0, 2.0, 5.0, -2.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
int fl=0;
for (double i=0.0;i<2.0*3.14159265;i+=0.4)
{
tmpPnt.x = ((double)(fl%3+2))*Math.Cos(i);
tmpPnt.y = ((double)(fl%3+2))*Math.Sin(i);
tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt,fl);
fl++;
}
spl1.Close();
msgSpline spl1_obj = msgSpline.Create(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl1);
msgCircleStruct cirGeo = new msgCircleStruct();
cirGeo.center.x = 2.0; cirGeo.center.y = -2.0; cirGeo.center.z = 8.0;
cirGeo.normal.x = 0.0; cirGeo.normal.y = 0.0; cirGeo.normal.z = 1.0;
cirGeo.radius = 1.5;
cirGeo.FromCenterRadiusNormal(cirGeo.center, cirGeo.radius, cirGeo.normal);
msgCircle cir = msgCircle.Create(cirGeo);
scene.AttachObject(cir);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msg3DObject linO1 = (msg3DObject)msgSurfaces.LinearSurfaceFromSections(spl1_obj,
cir, 0.5f ,false);
scene.AttachObject(linO1);
linO1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 90);
msgVectorStruct transV1 = new msgVectorStruct(0,7,0);
linO1.InitTempMatrix().Translate(transV1);
linO1.ApplyTempMatrix();
linO1.DestroyTempMatrix();
msg3DObject linO2 = (msg3DObject)msgSurfaces.LinearSurfaceFromSections(spl1_obj,
cir, 0.7f, true);
scene.AttachObject(linO2);
linO2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 150);
transV1.x = 8.0; transV1.y = 0.0;
linO2.InitTempMatrix().Translate(transV1);
linO2.ApplyTempMatrix();
linO2.DestroyTempMatrix();
msg3DObject linO3 = (msg3DObject)msgSurfaces.LinearSurfaceFromSections(spl1_obj,
cir, 0.3f, false);
scene.AttachObject(linO3);
linO3.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 30);
transV1.x = -8.0; transV1.y = 0.0;
linO3.InitTempMatrix().Translate(transV1);
linO3.ApplyTempMatrix();
linO3.DestroyTempMatrix();
}
private void PrepareMatrix(double Ox, double Oy, double Oz,
double Rx, double Ry, double Rz,
double Tx, double Ty, double Tz,
ref msgMatrix XForm)
{
XForm.Identity();
msgVectorStruct TransV = new msgVectorStruct();
TransV.x = Tx;
TransV.y = Ty;
TransV.z = Tz;
XForm.Translate(TransV);
XForm.Rotate(zero_p, x_axe, Rx);
XForm.Rotate(zero_p, y_axe, Ry);
XForm.Rotate(zero_p, z_axe, Rz);
msgVectorStruct oV = new msgVectorStruct();
oV.x = Ox;
oV.y = Oy;
oV.z = Oz;
XForm.Translate(oV);
}
public static void CreateExtrudeSurfaces()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
int fl=0;
for (double i=0.0;i<10.0;i+=1.0)
{
tmpPnt.x = i;
tmpPnt.y = (fl%2 > 0)?-i/2.0:i/2.0;
tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,fl);
fl++;
}
msgSpline spl2_obj = msgSpline.Create(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct.Delete(spl2);
msgVectorStruct extVec = new msgVectorStruct(1,-2,3);
msg3DObject exO = (msg3DObject)msgKinematic.Extrude(spl2_obj, null, extVec,false);
scene.AttachObject(exO);
exO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 20);
msgVectorStruct transV1 = new msgVectorStruct(8, 0, 0);
exO.InitTempMatrix().Translate(transV1);
exO.ApplyTempMatrix();
exO.DestroyTempMatrix();
}
public static void CreateRotationBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
int fl=0;
for (double i=0.0;i<2.0*Math.PI;i+=0.4)
{
tmpPnt.x = ((double)(fl%3+2))*Math.Cos(i);
tmpPnt.y = ((double)(fl%3+2))*Math.Sin(i);
tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,fl);
fl++;
}
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR,12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS,2);
msgSplineStruct.Delete(spl2);
msgPointStruct p1 = new msgPointStruct(10,10,0);
msgPointStruct p2 = new msgPointStruct(20,15,0);
msg3DObject rO = (msg3DObject)msgKinematic.Rotation(spl2_obj,p1,p2,290,true);
scene.AttachObject(rO);
rO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 8);
msgVectorStruct transV1 = new msgVectorStruct( -6, 0, 0 );
rO.InitTempMatrix().Translate(transV1);
rO.ApplyTempMatrix();
rO.DestroyTempMatrix();
}
public static void CreatePipeBody()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgObject[] objcts = new msgObject[5];
msgPointStruct ArP1 = new msgPointStruct();
msgPointStruct ArP2 = new msgPointStruct();
msgPointStruct ArP3 = new msgPointStruct();
msgArcStruct ArcGeo = new msgArcStruct();
ArP1.x = 0.0; ArP1.y = -2.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = -1.0; ArP2.z = 0.0;
ArP3.x = 0.4; ArP3.y = -1.2; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[0] = msgArc.Create(ArcGeo);
ArP1.x = 1.0; ArP1.y = -1.0; ArP1.z = 0.0;
ArP2.x = 2.0; ArP2.y = 0.0; ArP2.z = 0.0;
ArP3.x = 1.9; ArP3.y = -0.5; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[1] = msgArc.Create(ArcGeo);
ArP1.x = 2.0; ArP1.y = 0.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = 1.0; ArP2.z = 0.0;
ArP3.x = 1.6; ArP3.y = 0.8; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[2] = msgArc.Create(ArcGeo);
objcts[3] = msgLine.Create(1.0, 1.0, 0.0, -1.0, 1.0, 0.0);
ArP1.x = -1.0; ArP1.y = 1.0; ArP1.z = 0.0;
ArP2.x = -1.0; ArP2.y = 0.0; ArP2.z = 1.0;
ArP3.x = -1.1; ArP3.y = 1.0; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[4] = msgArc.Create(ArcGeo);
msgContour cnt1 = msgContour.CreateContour(objcts);
scene.AttachObject(cnt1);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
ArP1.x = -0.2; ArP1.y = -0.2; ArP1.z = 0.0;
ArP2.x = -0.1; ArP2.y = 0.2; ArP2.z = 0.0;
ArP3.x = -0.3; ArP3.y = 0.1; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[0] = msgArc.Create(ArcGeo);
ArP1.x = -0.1; ArP1.y = 0.2; ArP1.z = 0.0;
ArP2.x = 0.3; ArP2.y = 0.5; ArP2.z = 0.0;
ArP3.x = 0.2; ArP3.y = 0.6; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[1] = msgArc.Create(ArcGeo);
ArP1.x = 0.3; ArP1.y = 0.5; ArP1.z = 0.0;
ArP2.x = -0.2; ArP2.y = -0.2; ArP2.z = 0.0;
ArP3.x = 0.6; ArP3.y = -0.4; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[2] = msgArc.Create(ArcGeo);
msgObject[] objcts2 = null;
Array.Copy(objcts, objcts2, 3);
msgContour cnt2 = msgContour.CreateContour(objcts2);
scene.AttachObject(cnt2);
cnt2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cnt2.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgCircleStruct cirGeo = new msgCircleStruct();
msgPointStruct cirC = new msgPointStruct(0.3, -0.1, 0.0);
msgVectorStruct cirNor = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo.FromCenterRadiusNormal(cirC,0.31, cirNor);
msg2DObject cir = msgCircle.Create(cirGeo);
scene.AttachObject(cir);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cir.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgPointStruct point_in_plane = new msgPointStruct(0.0,0.0,0.0);
bool close = true;
msg3DObject pipO = (msg3DObject)msgKinematic.Pipe(cnt2, new msg2DObject[] { cir }, cnt1, point_in_plane, 0.0, ref close);
scene.AttachObject(pipO);
pipO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV1 = new msgVectorStruct(3.0, 1.0, 0);
pipO.InitTempMatrix().Translate(transV1);
pipO.ApplyTempMatrix();
pipO.DestroyTempMatrix();
}
public static void CreatePipeSurface()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgArcStruct ArcGeo = new msgArcStruct();
msgPointStruct ArP1 = new msgPointStruct(1.0, -4.0, 0.0);
msgPointStruct ArP2 = new msgPointStruct(1.0, -3.6, 0.0);
msgPointStruct ArP3 = new msgPointStruct(1.2, -3.5, 0.0);
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
msg2DObject ar = msgArc.Create(ArcGeo);
scene.AttachObject(ar);
ar.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
ar.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgObject[] objcts = new msgObject[6];
objcts[0] = msgLine.Create(0.0, -4.0, 0.0, 0.0, -2.0, 0.0);
ArP1.x = 0.0; ArP1.y = -2.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = -1.0; ArP2.z = 0.0;
ArP3.x = 0.4; ArP3.y = -1.2; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[1] = msgArc.Create(ArcGeo);
ArP1.x = 1.0; ArP1.y = -1.0; ArP1.z = 0.0;
ArP2.x = 2.0; ArP2.y = 0.0; ArP2.z = 0.0;
ArP3.x = 1.9; ArP3.y = -0.5; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[2] = msgArc.Create(ArcGeo);
ArP1.x = 2.0; ArP1.y = 0.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = 1.0; ArP2.z = 0.0;
ArP3.x = 1.6; ArP3.y = 0.8; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[3] = msgArc.Create(ArcGeo);
objcts[4] = msgLine.Create(1.0, 1.0, 0.0, -1.0, 1.0, 0.0);
ArP1.x = -1.0; ArP1.y = 1.0; ArP1.z = 0.0;
ArP2.x = -1.0; ArP2.y = 0.0; ArP2.z = 1.0;
ArP3.x = -1.1; ArP3.y = 1.0; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
objcts[5] = msgArc.Create(ArcGeo);
msgContour cnt1 = msgContour.CreateContour(objcts);
scene.AttachObject(cnt1);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgPointStruct point_in_plane = new msgPointStruct(1.0, -4.0, 0.0);
bool close = false;
msg3DObject pipO = (msg3DObject)msgKinematic.Pipe(ar,null, cnt1, point_in_plane, 0.0, ref close);
scene.AttachObject(pipO);
pipO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV1 = new msgVectorStruct(2.5, 1, 0);
pipO.InitTempMatrix().Translate(transV1);
pipO.ApplyTempMatrix();
pipO.DestroyTempMatrix();
}
public static void CreateCoonsFrom3Curves()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl1.AddKnot(tmpPnt,0);
tmpPnt.x = -5.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt,1);
tmpPnt.x = -3.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl1.AddKnot(tmpPnt,2);
tmpPnt.x = -2.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt,3);
tmpPnt.x = -1.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt,4);
tmpPnt.x =2.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt,5);
tmpPnt.x =2.0; tmpPnt.y = 0.0; tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt,6);
tmpPnt.x =4.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt,7);
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl2.AddKnot(tmpPnt,0);
tmpPnt.x = -6.0; tmpPnt.y = 0.5; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,1);
tmpPnt.x = -6.0; tmpPnt.y = 2.0; tmpPnt.z = -1.0;
spl2.AddKnot(tmpPnt,2);
tmpPnt.x = -6.0; tmpPnt.y = 3.0; tmpPnt.z = 1.0;
spl2.AddKnot(tmpPnt,3);
tmpPnt.x =-4.0; tmpPnt.y = 4.0; tmpPnt.z = 1.0;
spl2.AddKnot(tmpPnt,4);
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 50);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 3);
msgPointStruct ArP1 = new msgPointStruct();
msgPointStruct ArP2 = new msgPointStruct();
msgPointStruct ArP3 = new msgPointStruct();
msgArcStruct ArcGeo = new msgArcStruct();
ArP1.x = -4.0; ArP1.y = 4.0; ArP1.z = 1.0;
ArP2.x = 4.0; ArP2.y = 0.0; ArP2.z = 1.0;
ArP3.x = 0.0; ArP3.y = 5.0; ArP3.z = -4.0;
ArcGeo.FromThreePoints(ArP1,ArP2,ArP3,false);
msgArc arcObj = msgArc.Create(ArcGeo);
scene.AttachObject(arcObj);
arcObj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 20);
arcObj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 3);
msg3DObject coons = (msg3DObject)msgSurfaces.Coons(spl1_obj, spl2_obj, arcObj, null, 36, 36, 4, 4);
scene.AttachObject(coons);
coons.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 4);
msgVectorStruct transV1 = new msgVectorStruct(0,0,-0.4);
coons.InitTempMatrix().Translate(transV1);
coons.ApplyTempMatrix();
coons.DestroyTempMatrix();
}
public void GetVectorsForRayTracingCamera(msgVectorStruct eye_loc,
msgVectorStruct eye_look_at,
msgVectorStruct eye_y,
msgVectorStruct eye_x)
{
double xval = eye_loc.x;
double yval = eye_loc.y;
double zval = eye_loc.z;
GetEyePos(ref xval, ref yval, ref zval);
eye_loc.x = xval;
eye_loc.y = yval;
eye_loc.z = zval;
double xval2 = eye_look_at.x;
double yval2 = eye_look_at.y;
double zval2 = eye_look_at.z;
GetLookAtPos(ref xval2, ref yval2, ref zval2);
eye_look_at.x = xval2;
eye_look_at.y = yval2;
eye_look_at.z = zval2;
msgVectorStruct p1 = new msgVectorStruct();
msgVectorStruct p2 = new msgVectorStruct();
GetWorldCoord(m_iScreenWidth/2,m_iScreenHeight/2,0.0,ref p1);
GetWorldCoord(m_iScreenWidth/2,0,0.0, ref p2);
eye_y = msgSpaceMath.VectorsSub(p2,p1);
msgSpaceMath.NormalVector(eye_y);
GetWorldCoord(m_iScreenWidth, m_iScreenHeight/2,0.0, ref p2);
eye_x = msgSpaceMath.VectorsSub(p2,p1);
msgSpaceMath.NormalVector(eye_x);
}
public static void CreateCoonsFrom4Curves()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl1.AddKnot(tmpPnt, 0);
tmpPnt.x = -5.0; tmpPnt.y = 0.0; tmpPnt.z = 2.0;
spl1.AddKnot(tmpPnt, 1);
tmpPnt.x = -3.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt, 2);
tmpPnt.x = -2.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt, 3);
tmpPnt.x = -1.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt, 4);
tmpPnt.x = 2.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt, 5);
tmpPnt.x = 2.0; tmpPnt.y = 0.0; tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt, 6);
tmpPnt.x = 4.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt, 7);
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = -5.0; tmpPnt.y = 4.0; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt, 0);
tmpPnt.x = -3.0; tmpPnt.y = 4.0; tmpPnt.z = 1.0;
spl2.AddKnot(tmpPnt, 1);
tmpPnt.x = -2.0; tmpPnt.y = 4.0; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt, 2);
tmpPnt.x = -1.0; tmpPnt.y = 4.0; tmpPnt.z = -1.0;
spl2.AddKnot(tmpPnt, 3);
tmpPnt.x = 4.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt, 4);
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 10);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct spl3 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl3.AddKnot(tmpPnt, 0);
tmpPnt.x = -7.0; tmpPnt.y = 0.5; tmpPnt.z = 3.0;
spl3.AddKnot(tmpPnt, 1);
tmpPnt.x = -4.0; tmpPnt.y = 2.0; tmpPnt.z = -1.0;
spl3.AddKnot(tmpPnt, 2);
tmpPnt.x = -5.0; tmpPnt.y = 3.0; tmpPnt.z = 1.0;
spl3.AddKnot(tmpPnt, 3);
tmpPnt.x = -5.0; tmpPnt.y = 4.0; tmpPnt.z = 2.0;
spl3.AddKnot(tmpPnt, 4);
msgSpline spl3_obj = msgSpline.Create(spl3);
msgSplineStruct.Delete(spl3);
scene.AttachObject(spl3_obj);
spl3_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 50);
spl3_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 3);
msgSplineStruct spl4 = msgSplineStruct.Create();
tmpPnt.x = 4.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl4.AddKnot(tmpPnt, 0);
tmpPnt.x = 3.0; tmpPnt.y = 1.0; tmpPnt.z = 2.0;
spl4.AddKnot(tmpPnt, 1);
tmpPnt.x = 5.0; tmpPnt.y = 2.0; tmpPnt.z = -1.0;
spl4.AddKnot(tmpPnt, 2);
tmpPnt.x = 3.0; tmpPnt.y = 3.0; tmpPnt.z = 0.5;
spl4.AddKnot(tmpPnt, 3);
tmpPnt.x = 4.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl4.AddKnot(tmpPnt, 4);
msgSpline spl4_obj = msgSpline.Create(spl4);
msgSplineStruct.Delete(spl4);
scene.AttachObject(spl4_obj);
spl4_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 100);
spl4_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 4);
msg3DObject coons = (msg3DObject)msgSurfaces.Coons(spl1_obj,
spl2_obj,
spl3_obj,
spl4_obj, 36, 36, 4, 4);
scene.AttachObject(coons);
coons.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 4);
msgVectorStruct transV1 = new msgVectorStruct(0, 0, -0.3);
coons.InitTempMatrix().Translate(transV1);
coons.ApplyTempMatrix();
coons.DestroyTempMatrix();
}
public void GetWorldCoord(int ix, int iy, double fz, ref msgVectorStruct coord)
{
double x, y, z, winX, winY, winZ;
// Fix the yPos value. MS Windows origin 0,0 is upper left
// while OpenGL windows origin 0,0 is lower left...
winX = ix;
winY = m_iViewport[3] - iy;
// Add the camera's focal length, or distance from 'LookAt' to 'Eye' position
// to the given 'z' coordinate.
fz += GetFocalLength();
// Calculate the winZ coordinate:
if (m_bPerspective)
// Compensate for perspective view
winZ = 0.5 + (((m_fFar + m_fNear) - (2 * m_fFar * m_fNear) / fz)) / (2 * (m_fFar - m_fNear));
else
// winZ is linearly interpolated between the Near_Far clipping plane
winZ = (fz - m_fNear) / (m_fFar - m_fNear);
// Unproject the point
unsafe
{
fixed (double* m_dModelViewMatrixPtr = m_dModelViewMatrix)
{
fixed (double* m_dProjectionMatrixPtr = m_dProjectionMatrix)
{
fixed (int* m_iViewportPtr = m_iViewport)
{
OpenGLControl.gluUnProject(winX, winY, winZ,
m_dModelViewMatrixPtr,
m_dProjectionMatrixPtr,
m_iViewportPtr,
&x, &y, &z);
}
}
}
}
coord.x = x;
coord.y = y;
coord.z = z;
}
public static void CreateFromClips()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
tmpPnt.x = 98.0; tmpPnt.y = 0.0; tmpPnt.z = -13.0;
spl1.AddKnot(tmpPnt, 0);
tmpPnt.x = 85.0; tmpPnt.y = 0.0; tmpPnt.z = 19.0;
spl1.AddKnot(tmpPnt, 1);
tmpPnt.x = 43.0; tmpPnt.y = 0.0; tmpPnt.z = -31.0;
spl1.AddKnot(tmpPnt, 2);
tmpPnt.x = 5.0; tmpPnt.y = 0.0; tmpPnt.z = -3.0;
spl1.AddKnot(tmpPnt, 3);
tmpPnt.x = -11.0; tmpPnt.y = 0.0; tmpPnt.z = -39.0;
spl1.AddKnot(tmpPnt, 4);
tmpPnt.x = -48.0; tmpPnt.y = 0.0; tmpPnt.z = 23.0;
spl1.AddKnot(tmpPnt, 5);
tmpPnt.x = -125.0; tmpPnt.y = 0.0; tmpPnt.z = 23.0;
spl1.AddKnot(tmpPnt, 6);
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = 96.0; tmpPnt.y = 150.0; tmpPnt.z = 8.0;
spl2.AddKnot(tmpPnt, 0);
tmpPnt.x = 66.0; tmpPnt.y = 150.0; tmpPnt.z = -20.0;
spl2.AddKnot(tmpPnt, 1);
tmpPnt.x = 12.0; tmpPnt.y = 150.0; tmpPnt.z = 37.0;
spl2.AddKnot(tmpPnt, 2);
tmpPnt.x = -128.0; tmpPnt.y = 150.0; tmpPnt.z = -23.0;
spl2.AddKnot(tmpPnt, 3);
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgLine ln_obj = msgLine.Create(100.0, 100.0, 50.0, -121.0, 100.0, -50.0);
scene.AttachObject(ln_obj);
ln_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
ln_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgArcStruct arcG = new msgArcStruct();
msgPointStruct arcBeg = new msgPointStruct(98.0, 50.0, -80.0);
msgPointStruct arcEnd = new msgPointStruct(-117.0, 50.0, -80.0);
msgPointStruct arcMid = new msgPointStruct(-55.0, 50.0, -50.0);
arcG.FromThreePoints(arcBeg, arcEnd, arcMid, false);
msgArc arc_obj = msgArc.Create(arcG);
scene.AttachObject(arc_obj);
arc_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
arc_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msg2DObject[] objcts = new msg2DObject[4];
objcts[0] = spl1_obj;
objcts[1] = arc_obj;
objcts[2] = ln_obj;
objcts[3] = spl2_obj;
double[] param = new double[4];
param[0] = param[1] = param[2] = param[3] = 0.0;
msgObject surf = msgSurfaces.SplineSurfaceFromSections(objcts, param, false);
scene.AttachObject(surf);
surf.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 24);
msgVectorStruct transV1 = new msgVectorStruct(0, 0, -5);
surf.InitTempMatrix().Translate(transV1);
surf.ApplyTempMatrix();
surf.DestroyTempMatrix();
}
public static void CreatePipeSurface()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgArcStruct ArcGeo = new msgArcStruct();
msgPointStruct ArP1 = new msgPointStruct(1.0, -4.0, 0.0);
msgPointStruct ArP2 = new msgPointStruct(1.0, -3.6, 0.0);
msgPointStruct ArP3 = new msgPointStruct(1.2, -3.5, 0.0);
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
msg2DObject ar = msgArc.Create(ArcGeo);
scene.AttachObject(ar);
ar.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
ar.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgObject[] objcts = new msgObject[6];
objcts[0] = msgLine.Create(0.0, -4.0, 0.0, 0.0, -2.0, 0.0);
ArP1.x = 0.0; ArP1.y = -2.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = -1.0; ArP2.z = 0.0;
ArP3.x = 0.4; ArP3.y = -1.2; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[1] = msgArc.Create(ArcGeo);
ArP1.x = 1.0; ArP1.y = -1.0; ArP1.z = 0.0;
ArP2.x = 2.0; ArP2.y = 0.0; ArP2.z = 0.0;
ArP3.x = 1.9; ArP3.y = -0.5; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[2] = msgArc.Create(ArcGeo);
ArP1.x = 2.0; ArP1.y = 0.0; ArP1.z = 0.0;
ArP2.x = 1.0; ArP2.y = 1.0; ArP2.z = 0.0;
ArP3.x = 1.6; ArP3.y = 0.8; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[3] = msgArc.Create(ArcGeo);
objcts[4] = msgLine.Create(1.0, 1.0, 0.0, -1.0, 1.0, 0.0);
ArP1.x = -1.0; ArP1.y = 1.0; ArP1.z = 0.0;
ArP2.x = -1.0; ArP2.y = 0.0; ArP2.z = 1.0;
ArP3.x = -1.1; ArP3.y = 1.0; ArP3.z = 0.0;
ArcGeo.FromThreePoints(ArP1, ArP2, ArP3, false);
objcts[5] = msgArc.Create(ArcGeo);
msgContour cnt1 = msgContour.CreateContour(objcts);
scene.AttachObject(cnt1);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
cnt1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgPointStruct point_in_plane = new msgPointStruct(1.0, -4.0, 0.0);
bool close = false;
msg3DObject pipO = (msg3DObject)msgKinematic.Pipe(ar, null, cnt1, point_in_plane, 0.0, ref close);
scene.AttachObject(pipO);
pipO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 25);
msgVectorStruct transV1 = new msgVectorStruct(2.5, 1, 0);
pipO.InitTempMatrix().Translate(transV1);
pipO.ApplyTempMatrix();
pipO.DestroyTempMatrix();
}
public static void CreateBodyFromClips()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(20.0, 20.0, 5.0, 2.0, -4.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
int fl = 0;
for (double i = 0.0; i < 2.0 * 3.14159265; i += 0.4)
{
tmpPnt.x = ((double)(fl % 3 + 2)) * Math.Cos(i);
tmpPnt.y = ((double)(fl % 3 + 2)) * Math.Sin(i);
tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt, fl);
fl++;
}
spl1.Close();
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = 0.0; tmpPnt.y = -0.9; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt, 0);
tmpPnt.x = 1.4; tmpPnt.y = 0.9; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt, 1);
tmpPnt.x = -1.6; tmpPnt.y = 0.6; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt, 2);
tmpPnt.x = -1.2; tmpPnt.y = -1.6; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt, 3);
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
scene.AttachObject(spl1_obj);
scene.AttachObject(spl2_obj);
msg2DObject[] ooo = new msg2DObject[3];
ooo[1] = spl1_obj;
ooo[0] = spl2_obj;
ooo[2] = (msg2DObject)spl2_obj.Clone();
scene.AttachObject(ooo[2]);
msgPointStruct axeP = new msgPointStruct(0.0, 0.0, 0.0);
msgVectorStruct axeD = new msgVectorStruct(0.0, 0.0, 1.0);
axeD.z = 0.0; axeD.x = 1.0;
ooo[2].InitTempMatrix().Rotate(axeP, axeD, Math.PI / 4.0);
msgVectorStruct trV = new msgVectorStruct(-1.0, 1.0, -3.0);
ooo[2].GetTempMatrix().Translate(trV);
ooo[2].ApplyTempMatrix();
ooo[2].DestroyTempMatrix();
double[] ppp = new double[3];
ppp[0] = 0.1;
ppp[1] = 0.0;
ppp[2] = 0.2;
msgObject lsf = msgSurfaces.SplineSurfaceFromSections(ooo, ppp, true);
scene.AttachObject(lsf);
lsf.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 23);
msgVectorStruct transV1 = new msgVectorStruct(8, 0, 0);
lsf.InitTempMatrix().Translate(transV1);
lsf.ApplyTempMatrix();
lsf.DestroyTempMatrix();
}
public void SetRotationAboutLookAt(double x, double y, double z)
{
msgMatrix matx = new msgMatrix();
msgVectorStruct EyePos = new msgVectorStruct();
matx.Rotate(zero_p, x_axe, x / 180.0 * Math.PI);
matx.Rotate(zero_p, z_axe, -z / 180.0 * Math.PI);
EyePos.x = 0.0;
EyePos.y = -m_fFocalLength;
EyePos.z = 0.0;
matx.ApplyMatrixToVector(zero_p, EyePos);
m_fEyePos.x = EyePos.x + m_fLookAtPos.x;
m_fEyePos.y = EyePos.y + m_fLookAtPos.y;
m_fEyePos.z = EyePos.z + m_fLookAtPos.z;
// Calculate our camera's UpVector using ONLY the 'X' (Pitch) and 'Z' (Yaw)
// parameters
m_fUpVector = z_axe;
matx.ApplyMatrixToVector(zero_p, m_fUpVector);
// Just save the 'y' value for later use when calculating the camera's 'Up' vector
// prior to calling gluLookAt()
m_fRoll = y;
}
public static void CreateSub()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(15.0, 14.0, -2.0, 2.0, -1.0);
msgTorus tor1 = msgTorus.Create(2,1 ,24,24);
msgTorus tor2 = msgTorus.Create(2,0.8 ,24,24);
msgVectorStruct transV1 = new msgVectorStruct(1,1,0);
tor2.InitTempMatrix().Translate(transV1);
tor2.ApplyTempMatrix();
tor2.DestroyTempMatrix();
scene.AttachObject(tor1);
tor1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR,5);
scene.AttachObject(tor2);
tor2.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR,25);
msgVectorStruct transV2 = new msgVectorStruct(-6.0,0,0);
msgGroup bool1 = msgBoolean.Sub(tor1, tor2);
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 3);
}
public static void CreateBodyFromClips()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
Utils.AddFloorInScene(20.0, 20.0, 5.0, 2.0, -4.0);
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
int fl=0;
for (double i=0.0;i<2.0*3.14159265;i+=0.4)
{
tmpPnt.x = ((double)(fl%3+2))*Math.Cos(i);
tmpPnt.y = ((double)(fl%3+2))*Math.Sin(i);
tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt,fl);
fl++;
}
spl1.Close();
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = 0.0; tmpPnt.y = -0.9; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt,0);
tmpPnt.x = 1.4; tmpPnt.y = 0.9; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt,1);
tmpPnt.x = -1.6; tmpPnt.y = 0.6; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt,2);
tmpPnt.x = -1.2; tmpPnt.y = -1.6; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt,3);
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSpline spl3_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 12);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
scene.AttachObject(spl1_obj);
scene.AttachObject(spl2_obj);
msg2DObject[] ooo = new msg2DObject[3];
ooo[1] = spl1_obj;
ooo[0] = spl2_obj;
ooo[2] = spl3_obj;
scene.AttachObject(ooo[2]);
msgPointStruct axeP = new msgPointStruct(0.0, 0.0, 0.0);
msgVectorStruct axeD = new msgVectorStruct(0.0, 0.0, 1.0);
axeD.z = 0.0; axeD.x = 1.0;
ooo[2].InitTempMatrix().Rotate(axeP,axeD, Math.PI/4.0);
msgVectorStruct trV = new msgVectorStruct(-1.0, 1.0, -3.0);
ooo[2].GetTempMatrix().Translate(trV);
ooo[2].ApplyTempMatrix();
ooo[2].DestroyTempMatrix();
double[] ppp = new double[3];
ppp[0] = 0.1;
ppp[1] = 0.0;
ppp[2] = 0.2;
msgObject lsf = msgSurfaces.SplineSurfaceFromSections(ooo, ppp, true);
scene.AttachObject(lsf);
lsf.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 23);
msgVectorStruct transV1 = new msgVectorStruct(8,0,0);
lsf.InitTempMatrix().Translate(transV1);
lsf.ApplyTempMatrix();
lsf.DestroyTempMatrix();
}
public static void CreateSections()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgTorus tor1 = msgTorus.Create(2,1 ,36,36);
scene.AttachObject(tor1);
msgVectorStruct transV2 = new msgVectorStruct(-6,0,0);
for (int i=-30;i<30;i+=4)
{
msgVectorStruct plN = new msgVectorStruct();
plN.x =0.0; plN.y = 1.0; plN.z = 1.0;
msgGroup bool1 = msgBoolean.Section(tor1, plN, 0.1*i );
if (bool1 != null)
{
bool1.InitTempMatrix().Translate(transV2);
bool1.ApplyTempMatrix();
bool1.DestroyTempMatrix();
scene.AttachObject(bool1);
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, (ushort)(i + 50));
bool1.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
}
}
}
public static void CreateCoonsFrom4Curves()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl1 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl1.AddKnot(tmpPnt,0);
tmpPnt.x = -5.0; tmpPnt.y = 0.0; tmpPnt.z = 2.0;
spl1.AddKnot(tmpPnt,1);
tmpPnt.x = -3.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt,2);
tmpPnt.x = -2.0; tmpPnt.y = 0.0; tmpPnt.z = -2.0;
spl1.AddKnot(tmpPnt,3);
tmpPnt.x = -1.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt,4);
tmpPnt.x =2.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt,5);
tmpPnt.x =2.0; tmpPnt.y = 0.0; tmpPnt.z = 0.0;
spl1.AddKnot(tmpPnt,6);
tmpPnt.x =4.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl1.AddKnot(tmpPnt,7);
msgSpline spl1_obj = msgSpline.Create(spl1);
msgSplineStruct.Delete(spl1);
scene.AttachObject(spl1_obj);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
spl1_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = -5.0; tmpPnt.y = 4.0; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt,0);
tmpPnt.x = -3.0; tmpPnt.y = 4.0; tmpPnt.z = 1.0;
spl2.AddKnot(tmpPnt,1);
tmpPnt.x = -2.0; tmpPnt.y = 4.0; tmpPnt.z = 2.0;
spl2.AddKnot(tmpPnt,2);
tmpPnt.x = -1.0; tmpPnt.y = 4.0; tmpPnt.z = -1.0;
spl2.AddKnot(tmpPnt,3);
tmpPnt.x =4.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,4);
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 10);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 2);
msgSplineStruct spl3 = msgSplineStruct.Create();
tmpPnt.x = -6.0; tmpPnt.y = 0.0; tmpPnt.z = -1.0;
spl3.AddKnot(tmpPnt,0);
tmpPnt.x = -7.0; tmpPnt.y = 0.5; tmpPnt.z = 3.0;
spl3.AddKnot(tmpPnt,1);
tmpPnt.x = -4.0; tmpPnt.y = 2.0; tmpPnt.z = -1.0;
spl3.AddKnot(tmpPnt,2);
tmpPnt.x = -5.0; tmpPnt.y = 3.0; tmpPnt.z = 1.0;
spl3.AddKnot(tmpPnt,3);
tmpPnt.x =-5.0; tmpPnt.y = 4.0; tmpPnt.z = 2.0;
spl3.AddKnot(tmpPnt,4);
msgSpline spl3_obj = msgSpline.Create(spl3);
msgSplineStruct.Delete(spl3);
scene.AttachObject(spl3_obj);
spl3_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 50);
spl3_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 3);
msgSplineStruct spl4 = msgSplineStruct.Create();
tmpPnt.x = 4.0; tmpPnt.y = 0.0; tmpPnt.z = 1.0;
spl4.AddKnot(tmpPnt,0);
tmpPnt.x = 3.0; tmpPnt.y = 1.0; tmpPnt.z = 2.0;
spl4.AddKnot(tmpPnt,1);
tmpPnt.x = 5.0; tmpPnt.y = 2.0; tmpPnt.z = -1.0;
spl4.AddKnot(tmpPnt,2);
tmpPnt.x = 3.0; tmpPnt.y = 3.0; tmpPnt.z = 0.5;
spl4.AddKnot(tmpPnt,3);
tmpPnt.x =4.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl4.AddKnot(tmpPnt,4);
msgSpline spl4_obj = msgSpline.Create(spl4);
msgSplineStruct.Delete(spl4);
scene.AttachObject(spl4_obj);
spl4_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 100);
spl4_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 4);
msg3DObject coons = (msg3DObject)msgSurfaces.Coons(spl1_obj,
spl2_obj,
spl3_obj,
spl4_obj, 36, 36, 4, 4);
scene.AttachObject(coons);
coons.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 4);
msgVectorStruct transV1 = new msgVectorStruct(0,0,-0.3);
coons.InitTempMatrix().Translate(transV1);
coons.ApplyTempMatrix();
coons.DestroyTempMatrix();
}
public void CalculateUpVector()
{
msgMatrix matx = new msgMatrix();
matx.Rotate(zero_p, x_axe, m_fPitch / 180.0 * Math.PI);
matx.Rotate(zero_p, z_axe, -m_fYaw / 180.0 * Math.PI);
m_fUpVector = z_axe;
matx.ApplyMatrixToVector(zero_p, m_fUpVector);
}
public static void CreateFace()
{
msgScene scene = msgScene.GetScene();
scene.Clear();
msgPointStruct tmpPnt = new msgPointStruct();
msgSplineStruct spl2 = msgSplineStruct.Create();
tmpPnt.x = -1.0; tmpPnt.y = -3.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,0);
tmpPnt.x = -3.0; tmpPnt.y = 0.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,1);
tmpPnt.x = -1.0; tmpPnt.y = -1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,2);
tmpPnt.x = 0.0; tmpPnt.y = 1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,3);
tmpPnt.x = -1.0; tmpPnt.y = 4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,4);
tmpPnt.x =3.0; tmpPnt.y = 1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,5);
tmpPnt.x =2.0; tmpPnt.y = -3.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,6);
tmpPnt.x =1.0; tmpPnt.y = -1.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,7);
tmpPnt.x =1.0; tmpPnt.y = -4.0; tmpPnt.z = 0.0;
spl2.AddKnot(tmpPnt,8);
spl2.Close();
msgSpline spl2_obj = msgSpline.Create(spl2);
msgSplineStruct.Delete(spl2);
scene.AttachObject(spl2_obj);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
spl2_obj.SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msg2DObject[] holes = new msg2DObject[3];
msgCircleStruct cirGeo = new msgCircleStruct();
msgPointStruct cirC = new msgPointStruct(0.8, 1.0, 0.0);
msgVectorStruct cirNor = new msgVectorStruct(0.0, 0.0, 1.0);
cirGeo.FromCenterRadiusNormal(cirC,0.8, cirNor);
holes[0] = msgCircle.Create(cirGeo);
scene.AttachObject(holes[0]);
holes[0].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
holes[0].SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
cirC.x = 1.6; cirC.y = -1.0;
cirGeo.FromCenterRadiusNormal(cirC,0.2, cirNor);
holes[1] = msgCircle.Create(cirGeo);
scene.AttachObject(holes[1]);
holes[1].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
holes[1].SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
cirC.x = 0.0; cirC.y = -1.0;
cirGeo.FromCenterRadiusNormal(cirC,0.4, cirNor);
holes[2] = msgCircle.Create(cirGeo);
scene.AttachObject(holes[2]);
holes[2].SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 0);
holes[2].SetAttribute(msgObjectAttrEnum.SG_OA_LINE_THICKNESS, 1);
msg3DObject fcO = (msg3DObject)msgSurfaces.Face(spl2_obj,holes);
scene.AttachObject(fcO);
fcO.SetAttribute(msgObjectAttrEnum.SG_OA_COLOR, 50);
msgVectorStruct transV1 = new msgVectorStruct(-5,0,0);
fcO.InitTempMatrix().Translate(transV1);
fcO.ApplyTempMatrix();
fcO.DestroyTempMatrix();
}
