private void RenderSystemAxis()
{
float nz = Camera.Frustum.NearZ;
float x = 0.05f * Width;
Vec3F pos = new Vec3F(x, Height - x, 0.0f);
Matrix4F vp = Camera.ViewMatrix * Camera.ProjectionMatrix;
pos = this.Unproject(pos, vp);
if (Camera.Frustum.IsOrtho)
{
pos = pos + Camera.LookAt;
}
else
{
pos = pos + Camera.LookAt * (Camera.NearZ * 0.1f);
}
float s;
Util.CalcAxisLengths(Camera, pos, out s);
Matrix4F scale = new Matrix4F();
scale.Scale(s * 0.3f);
Matrix4F trans = new Matrix4F(pos);
Matrix4F xform = scale * trans;
Util3D.RenderFlag = BasicRendererFlags.WireFrame | BasicRendererFlags.DisableDepthTest;
Util3D.DrawX(xform, Color.Red);
Util3D.DrawY(xform, Color.Green);
Util3D.DrawZ(xform, Color.Blue);
Matrix4F wvp = xform * vp;
if (ViewType != ViewTypes.Left && ViewType != ViewTypes.Right)
{
Vec3F xaxis = new Vec3F(1, 0, 0);
Point scPt = Project(wvp, xaxis);
GameEngine.DrawText2D("X", Util3D.CaptionFont, scPt.X, scPt.Y, Color.Red);
}
if (ViewType != ViewTypes.Top && ViewType != ViewTypes.Bottom)
{
Vec3F yaxis = new Vec3F(0, 1.6f, 0);
Point scPt = Project(wvp, yaxis);
GameEngine.DrawText2D("Y", Util3D.CaptionFont, scPt.X, scPt.Y, Color.Green);
}
if (ViewType != ViewTypes.Front && ViewType != ViewTypes.Back)
{
Vec3F zaxis = new Vec3F(0, 0, 1);
Point scPt = Project(wvp, zaxis);
GameEngine.DrawText2D("Z", Util3D.CaptionFont, scPt.X, scPt.Y, Color.Blue);
}
}
public override void Render(ViewControl vc)
{
BasicRendererFlags solid = BasicRendererFlags.Solid
| BasicRendererFlags.DisableDepthTest;
BasicRendererFlags wire = BasicRendererFlags.WireFrame
| BasicRendererFlags.DisableDepthTest;
Matrix4F normWorld = GetManipulatorMatrix();
if (normWorld == null)
{
return;
}
Camera camera = vc.Camera;
int axis = (int)m_hitRegion;
// axis colors
Color saveColor = m_axisColor[axis];
m_axisColor[axis] = m_highlightColor;
Color xcolor = m_axisColor[(int)HitRegion.XAxis];
Color ycolor = m_axisColor[(int)HitRegion.YAxis];
Color zcolor = m_axisColor[(int)HitRegion.ZAxis];
Color nxcolor = m_axisColor[(int)HitRegion.NegXAxis];
Color nycolor = m_axisColor[(int)HitRegion.NegYAxis];
Color nzcolor = m_axisColor[(int)HitRegion.NegZAxis];
m_axisColor[axis] = saveColor;
Vec3F deltaTrans = Vec3F.ZeroVector;
if (m_hitRegion != HitRegion.None)
{
normWorld.Translation = HitMatrix.Translation;
}
Vec3F pos = normWorld.Translation;
float s;
Util.CalcAxisLengths(vc.Camera, pos, out s);
Vec3F sv = new Vec3F(s, s, s);
Vec3F axscale = new Vec3F(s, s, s);
Vec3F negAxscale = new Vec3F(-s, -s, -s);
bool negativeAxis = m_hitRegion == HitRegion.NegXAxis || m_hitRegion == HitRegion.NegYAxis || m_hitRegion == HitRegion.NegZAxis;
if (negativeAxis)
{
negAxscale.X *= Math.Abs(m_scale.X);
negAxscale.Y *= Math.Abs(m_scale.Y);
negAxscale.Z *= Math.Abs(m_scale.Z);
}
else
{
axscale.X *= Math.Abs(m_scale.X);
axscale.Y *= Math.Abs(m_scale.Y);
axscale.Z *= Math.Abs(m_scale.Z);
}
Matrix4F scale = new Matrix4F();
scale.Scale(axscale);
Matrix4F xform = scale * normWorld;
Util3D.RenderFlag = wire;
Util3D.DrawX(xform, xcolor);
Util3D.DrawY(xform, ycolor);
Util3D.DrawZ(xform, zcolor);
scale.Scale(negAxscale);
xform = scale * normWorld;
Util3D.DrawX(xform, nxcolor);
Util3D.DrawY(xform, nycolor);
Util3D.DrawZ(xform, nzcolor);
Vec3F handle = sv * HandleRatio;
float handleWidth = handle.X / 2;
scale.Scale(handle);
Matrix4F trans = new Matrix4F();
Util3D.RenderFlag = solid;
// X handle
trans.Translation = new Vec3F(axscale.X - handleWidth, 0, 0);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, xcolor);
// y handle
trans.Translation = new Vec3F(0, axscale.Y - handleWidth, 0);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, ycolor);
// z handle
trans.Translation = new Vec3F(0, 0, axscale.Z - handleWidth);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, zcolor);
// -x handle
trans.Translation = new Vec3F(negAxscale.X + handleWidth, 0, 0);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, nxcolor);
// -y handle
trans.Translation = new Vec3F(0, negAxscale.Y + handleWidth, 0);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, nycolor);
// -z handle
trans.Translation = new Vec3F(0, 0, negAxscale.Z + handleWidth);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, nzcolor);
}
public override void Render(ViewControl vc)
{
BasicRendererFlags solid = BasicRendererFlags.Solid
| BasicRendererFlags.DisableDepthTest;
BasicRendererFlags wire = BasicRendererFlags.WireFrame
| BasicRendererFlags.DisableDepthTest;
Matrix4F normWorld = GetManipulatorMatrix();
if (normWorld == null)
{
return;
}
Camera camera = vc.Camera;
Vec3F pos = normWorld.Translation;
float s;
Util.CalcAxisLengths(vc.Camera, pos, out s);
Vec3F sv = new Vec3F(s, s, s);
Vec3F axscale = new Vec3F(Math.Abs(s * m_scale.X), Math.Abs(s * m_scale.Y), Math.Abs(s * m_scale.Z));
Color xcolor = (m_hitRegion == HitRegion.XAxis || m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.Red;
Color ycolor = (m_hitRegion == HitRegion.YAxis || m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.Green;
Color Zcolor = (m_hitRegion == HitRegion.ZAxis || m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.Blue;
Color freeRect = (m_hitRegion == HitRegion.FreeRect) ? Color.Gold : Color.White;
Matrix4F scale = new Matrix4F();
scale.Scale(axscale);
Matrix4F xform = scale * normWorld;
Util3D.RenderFlag = wire;
Util3D.DrawX(xform, xcolor);
Util3D.DrawY(xform, ycolor);
Util3D.DrawZ(xform, Zcolor);
Vec3F rectScale = sv * FreeRectRatio;
scale.Scale(rectScale);
Matrix4F b = Util.CreateBillboard(pos, camera.WorldEye, camera.Up, camera.LookAt);
Matrix4F recXform = Matrix4F.Multiply(scale, b);
Util3D.DrawRect(recXform, freeRect);
Vec3F handle = sv * HandleRatio;
float handleWidth = handle.X / 2;
scale.Scale(handle);
Matrix4F trans = new Matrix4F();
trans.Translation = new Vec3F(axscale.X - handleWidth, 0, 0);
xform = scale * trans * normWorld;
Util3D.RenderFlag = solid;
Util3D.DrawCube(xform, xcolor);
trans.Translation = new Vec3F(0, axscale.Y - handleWidth, 0);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, ycolor);
trans.Translation = new Vec3F(0, 0, axscale.Z - handleWidth);
xform = scale * trans * normWorld;
Util3D.DrawCube(xform, Zcolor);
}
public void Render(Matrix4F normWorld, float s)
{
BasicRendererFlags solid = BasicRendererFlags.Solid | BasicRendererFlags.DisableDepthTest;
BasicRendererFlags wire = BasicRendererFlags.WireFrame | BasicRendererFlags.DisableDepthTest;
Color xcolor = (m_hitRegion == HitRegion.XAxis || m_hitRegion == HitRegion.XYSquare || m_hitRegion == HitRegion.XZSquare) ? Color.Gold : Color.Red;
Color ycolor = (m_hitRegion == HitRegion.YAxis || m_hitRegion == HitRegion.XYSquare || m_hitRegion == HitRegion.YZSquare) ? Color.Gold : Color.Green;
Color Zcolor = (m_hitRegion == HitRegion.ZAxis || m_hitRegion == HitRegion.XZSquare || m_hitRegion == HitRegion.YZSquare) ? Color.Gold : Color.Blue;
Color XYx = m_hitRegion == HitRegion.XYSquare ? Color.Gold : Color.Red;
Color XYy = m_hitRegion == HitRegion.XYSquare ? Color.Gold : Color.Green;
Color XZx = m_hitRegion == HitRegion.XZSquare ? Color.Gold : Color.Red;
Color XZz = m_hitRegion == HitRegion.XZSquare ? Color.Gold : Color.Blue;
Color YZy = m_hitRegion == HitRegion.YZSquare ? Color.Gold : Color.Green;
Color YZz = m_hitRegion == HitRegion.YZSquare ? Color.Gold : Color.Blue;
Vec3F axScale = new Vec3F(s, s, s);
Matrix4F axisXform = ComputeAxis(normWorld, axScale);
Util3D.RenderFlag = wire;
Util3D.DrawX(axisXform, xcolor);
Util3D.DrawY(axisXform, ycolor);
Util3D.DrawZ(axisXform, Zcolor);
Matrix4F arrowHead = ComputeXhead(normWorld, s);
Util3D.RenderFlag = solid;
Util3D.DrawCone(arrowHead, xcolor);
arrowHead = ComputeYhead(normWorld, s);
Util3D.DrawCone(arrowHead, ycolor);
arrowHead = ComputeZhead(normWorld, s);
Util3D.DrawCone(arrowHead, Zcolor);
Util3D.RenderFlag = wire;
// draw xy rect.
Matrix4F scale = new Matrix4F();
scale.Scale(axScale * SquareLength);
Matrix4F trans = new Matrix4F();
trans.Translation = new Vec3F(0, s * SquareLength, 0);
Matrix4F squareXform = scale * trans * normWorld;
Util3D.DrawX(squareXform, XYy);
trans.Translation = new Vec3F(s * SquareLength, 0, 0);
squareXform = scale * trans * normWorld;
Util3D.DrawY(squareXform, XYx);
// draw xz rect.
trans.Translation = new Vec3F(0, 0, s * SquareLength);
squareXform = scale * trans * normWorld;
Util3D.DrawX(squareXform, XZz);
trans.Translation = new Vec3F(s * SquareLength, 0, 0);
squareXform = scale * trans * normWorld;
Util3D.DrawZ(squareXform, XZx);
// draw yz
trans.Translation = new Vec3F(0, s * SquareLength, 0);
squareXform = scale * trans * normWorld;
Util3D.DrawZ(squareXform, YZy);
trans.Translation = new Vec3F(0, 0, s * SquareLength);
squareXform = scale * trans * normWorld;
Util3D.DrawY(squareXform, YZz);
}
