public void InteractiveFreeEdit(bool bAltAxes, int x, int y)
{
Entity entity = selectionmodel.GetFirstSelectedEntity();
if (entity == null)
{
return;
}
Vector3 OurPos;
Rot OurRot;
if (camera.bRoamingCameraEnabled)
{
OurPos = camera.RoamingCameraPos;
OurRot = camera.RoamingCameraRot;
}
else
{
Avatar ouravatar = MetaverseClient.GetInstance().myavatar;
if (ouravatar != null)
{
OurPos = ouravatar.pos;
OurRot = ouravatar.rot;
}
else
{
return;
}
}
double HalfWinWidth = RendererFactory.GetInstance().WindowWidth / 2;
double HalfWinHeight = RendererFactory.GetInstance().WindowHeight / 2;
Vector3 translatevector = new Vector3();
if (bAltAxes)
{
translatevector = new Vector3(
-(( double )(x - editing3d.iDragStartX)) / HalfWinWidth * 3.0,
-(( double )(y - editing3d.iDragStartY)) / HalfWinWidth * 3.0,
0
);
}
else
{
translatevector = new Vector3(
0,
-((double)(x - editing3d.iDragStartX)) / HalfWinWidth * 3.0,
-((double)(y - editing3d.iDragStartY)) / HalfWinWidth * 3.0
);
}
Vector3 PosChangeWorldAxes = translatevector * OurRot.Inverse();
entity.pos = editing3d.startpos + PosChangeWorldAxes;
MetaverseClient.GetInstance().worldstorage.OnModifyEntity(entity);
}
public void InitiateHandleEdit(int mousex, int mousey, Axis axis)
{
editing3d.EditingPreliminaries();
Entity entity = selectionmodel.GetFirstSelectedEntity();
if (entity != null)
{
Vector3 OurPos;
Rot OurRot;
if (camera.bRoamingCameraEnabled)
{
OurPos = camera.RoamingCameraPos;
OurRot = camera.RoamingCameraRot;
}
else
{
Avatar ouravatar = MetaverseClient.GetInstance().myavatar;
if (ouravatar != null)
{
OurPos = ouravatar.pos;
OurRot = ouravatar.rot;
}
else
{
return;
}
}
Rot rInverseOurRot = OurRot.Inverse();
double fCurrentRotationAngle;
editing3d.startpos = entity.pos;
editing3d.startrot = entity.rot;
fCurrentRotationAngle = GetRotationAngleForEntityAndMouse(editing3d.startpos, editing3d.startrot, axis, mousex, mousey);
editing3d.iDragStartX = mousex;
editing3d.iDragStartY = mousey;
fStartRotationAngle = fCurrentRotationAngle;
Test.Debug("initializing StartRot " + editing3d.startrot.ToString() + " rotation angle " + fCurrentRotationAngle.ToString()); // Test.Debug
editing3d.currentaxis = axis;
editing3d.currentedittype = Editing3d.EditType.RotHandle;
}
}
public void InteractiveFreeEdit(int x, int y)
{
Vector3 OurPos;
Rot OurRot;
if (camera.bRoamingCameraEnabled)
{
OurPos = camera.RoamingCameraPos;
OurRot = camera.RoamingCameraRot;
}
else
{
Avatar ouravatar = MetaverseClient.GetInstance().myavatar;
if (ouravatar != null)
{
OurPos = ouravatar.pos;
OurRot = ouravatar.rot;
}
else
{
return;
}
}
Rot rInverseOurRot = OurRot.Inverse();
double HalfWinWidth = RendererFactory.GetInstance().WindowWidth / 2;
double HalfWinHeight = RendererFactory.GetInstance().WindowHeight / 2;
double zRoll = (x - editing3d.iDragStartX) / HalfWinWidth;
double yRoll = -(y - editing3d.iDragStartY) / HalfWinHeight;
double amount = Math.Sqrt((double)((editing3d.iDragStartX - x) * (editing3d.iDragStartX - x) +
(editing3d.iDragStartY - y) * (editing3d.iDragStartY - y))) * mvMath.Pi2 / HalfWinHeight;
Vector3 ArcBallAxis = new Vector3(0, yRoll, zRoll);
Rot ArcBallRot = mvMath.AxisAngle2Rot(ArcBallAxis, amount);
Rot rTransposedToAv = rInverseOurRot * editing3d.startrot;
Rot rRotated = ArcBallRot * rTransposedToAv;
Rot rNewRot = OurRot * rRotated;
selectionmodel.GetFirstSelectedEntity().rot = rNewRot;
MetaverseClient.GetInstance().worldstorage.OnModifyEntity(selectionmodel.GetFirstSelectedEntity());
}
double GetRotationAngleForEntityAndMouse(Vector3 EntityVector3, Rot EntityRot, Axis axis, int mousex, int mousey)
{
double fRotationAngle = 0;
bool bRotAngleGot = false;
Vector3 OurPos;
Rot OurRot;
if (camera.bRoamingCameraEnabled)
{
OurPos = camera.RoamingCameraPos;
OurRot = camera.RoamingCameraRot;
}
else
{
Avatar ouravatar = MetaverseClient.GetInstance().myavatar;
if (ouravatar != null)
{
OurPos = ouravatar.pos;
OurRot = ouravatar.rot;
}
else
{
return(0);
}
}
Rot rInverseOurRot = OurRot.Inverse();
double fDistanceFromUsToEntity = (EntityVector3 - OurPos).Det();
double fScalingFromPosToScreen = graphics.GetScalingFrom3DToScreen(fDistanceFromUsToEntity);
Vector3 ScreenEntityPos = graphics.GetScreenPos(OurPos, OurRot, EntityVector3);
Vector3 ScreenMousePos = new Vector3(
0,
RendererFactory.GetInstance().WindowWidth - mousex,
RendererFactory.GetInstance().WindowHeight - mousey);
// mousepoint is a point on the mouseray into the screen, with x = entity.pos.x
Vector3 ScreenVectorEntityToMousePoint = ScreenMousePos - ScreenEntityPos;
Vector3 VectorEntityToMousePointObserverAxes = ScreenVectorEntityToMousePoint * (1.0f / fScalingFromPosToScreen);
//Test.Debug( " screenobjectpos: " + ScreenEntityPos + " screenmousepos: " + ScreenMousePos + " objecttomouse: " + ScreenVectorEntityToMouse ); // Test.Debug
Vector3 RotationAxisEntityAxes = axis.ToVector();
Rot rInverseEntityRot = EntityRot.Inverse();
Vector3 RotationAxisWorldAxes = RotationAxisEntityAxes * rInverseEntityRot;
// Test.Debug( " RotationAxisWorldAxes " + RotationAxisWorldAxes ); // Test.Debug
Vector3 RotationAxisObserverAxes = RotationAxisWorldAxes * OurRot;
RotationAxisObserverAxes.Normalize();
double DistanceOfRotationPlaneFromOrigin = 0; // Lets move right up to the object
// we're going to imagine a ray from the MousePoint going down the XAXIS, away from us
// we'll intersect this ray with the rotation plane to get the point on the rotation plane
// where we can consider the mouse to be.
double fVectorDotRotationAxisObserverAxesWithXAxis = Vector3.DotProduct(RotationAxisObserverAxes, mvMath.XAxis);
if (Math.Abs(fVectorDotRotationAxisObserverAxesWithXAxis) > 0.0005)
{
double fDistanceFromMousePointToRotationPlane = (DistanceOfRotationPlaneFromOrigin -
Vector3.DotProduct(RotationAxisObserverAxes, VectorEntityToMousePointObserverAxes))
/ fVectorDotRotationAxisObserverAxesWithXAxis;
// Test.Debug( " fDistanceFromMousePointToRotationPlane " + fDistanceFromMousePointToRotationPlane ); // Test.Debug
Vector3 VectorMouseClickOnRotationPlaneObserverAxes = new Vector3(
fDistanceFromMousePointToRotationPlane,
VectorEntityToMousePointObserverAxes.y,
VectorEntityToMousePointObserverAxes.z);
// Test.Debug( " VectorMouseClickOnRotationPlaneObserverAxes " + VectorMouseClickOnRotationPlaneObserverAxes ); // Test.Debug
// We'll rotate this vector into object axes
Vector3 VectorMouseClickOnRotationPlaneWorldAxes = VectorMouseClickOnRotationPlaneObserverAxes * rInverseOurRot;
Vector3 VectorMouseClickOnRotationPlaneEntityAxes = VectorMouseClickOnRotationPlaneWorldAxes * EntityRot;
// Test.Debug( " VectorMouseClickOnRotationPlaneEntityAxes " + VectorMouseClickOnRotationPlaneEntityAxes ); // Test.Debug
// now we work out rotation angle
double fDistanceOfPointFromOrigin;
if (axis.IsXAxis)
{
fDistanceOfPointFromOrigin = Math.Sqrt(VectorMouseClickOnRotationPlaneEntityAxes.z * VectorMouseClickOnRotationPlaneEntityAxes.z
+ VectorMouseClickOnRotationPlaneEntityAxes.y * VectorMouseClickOnRotationPlaneEntityAxes.y);
// Test.Debug( "Z axis distnace of point from origin: " + fDistanceOfPointFromOrigin ); // Test.Debug
if (Math.Abs(fDistanceOfPointFromOrigin) > 0.0005)
{
fRotationAngle = -Math.Asin(VectorMouseClickOnRotationPlaneEntityAxes.y / fDistanceOfPointFromOrigin);
if (VectorMouseClickOnRotationPlaneEntityAxes.z < 0)
{
fRotationAngle = mvMath.Pi - fRotationAngle;
}
// Test.Debug( "************RotANGLE: " + fRotationAngle ); // Test.Debug
bRotAngleGot = true;
}
}
else if (axis.IsYAxis)
{
fDistanceOfPointFromOrigin = Math.Sqrt(VectorMouseClickOnRotationPlaneEntityAxes.z * VectorMouseClickOnRotationPlaneEntityAxes.z
+ VectorMouseClickOnRotationPlaneEntityAxes.x * VectorMouseClickOnRotationPlaneEntityAxes.x);
// Test.Debug( "Z axis distnace of point from origin: " + fDistanceOfPointFromOrigin ); // Test.Debug
if (Math.Abs(fDistanceOfPointFromOrigin) > 0.0005)
{
fRotationAngle = Math.Asin(VectorMouseClickOnRotationPlaneEntityAxes.x / fDistanceOfPointFromOrigin);
if (VectorMouseClickOnRotationPlaneEntityAxes.z < 0)
{
fRotationAngle = mvMath.Pi - fRotationAngle;
}
// Test.Debug( "************RotANGLE: " + fRotationAngle ); // Test.Debug
bRotAngleGot = true;
}
}
else
{
fDistanceOfPointFromOrigin = Math.Sqrt(VectorMouseClickOnRotationPlaneEntityAxes.x * VectorMouseClickOnRotationPlaneEntityAxes.x
+ VectorMouseClickOnRotationPlaneEntityAxes.y * VectorMouseClickOnRotationPlaneEntityAxes.y);
// Test.Debug( "Z axis distnace of point from origin: " + fDistanceOfPointFromOrigin ); // Test.Debug
if (Math.Abs(fDistanceOfPointFromOrigin) > 0.0005)
{
fRotationAngle = Math.Asin(VectorMouseClickOnRotationPlaneEntityAxes.y / fDistanceOfPointFromOrigin);
if (VectorMouseClickOnRotationPlaneEntityAxes.x < 0)
{
fRotationAngle = mvMath.Pi - fRotationAngle;
}
// Test.Debug( "************RotANGLE: " + fRotationAngle ); // Test.Debug
bRotAngleGot = true;
}
}
}
if (bRotAngleGot)
{
//fRotationAngle = fRotAngle;
return(fRotationAngle);
}
else
{
return(0);
}
}
