public override void Render()
{
driver.SetTransform(TransformationState.World, AbsoluteTransformation);
// Figure out quads based on start/end points.
Matrix4 m = new Matrix4();
m.RotationDegrees = getTargetAngle(vStart, vEnd);
Vector3D vUp = new Vector3D(0, 1, 0);
Vector3D vRight = new Vector3D(-1, 0, 0);
m.TransformVect(ref vRight);
m.TransformVect(ref vUp);
// Draw the first cross
IrrQuad beam = new IrrQuad();
beam.verts[0] = new Vertex3D(vStart + vUp * flScale, new Vector3D(1, 1, 0), beamColor, new Vector2D(0, 1));
beam.verts[1] = new Vertex3D(vStart + vUp * -flScale, new Vector3D(1, 0, 0), beamColor, new Vector2D(1, 1));
beam.verts[2] = new Vertex3D(vEnd + vUp * -flScale, new Vector3D(0, 1, 1), beamColor, new Vector2D(1, 0));
beam.verts[3] = new Vertex3D(vEnd + vUp * flScale, new Vector3D(0, 0, 1), beamColor, new Vector2D(0, 0));
DrawQuad(beam);
// Draw the second cross.
beam.verts[0] = new Vertex3D(vStart + vRight * flScale, new Vector3D(1, 1, 0), beamColor, new Vector2D(0, 1));
beam.verts[1] = new Vertex3D(vStart + vRight * -flScale, new Vector3D(1, 0, 0), beamColor, new Vector2D(1, 1));
beam.verts[2] = new Vertex3D(vEnd + vRight * -flScale, new Vector3D(0, 1, 1), beamColor, new Vector2D(1, 0));
beam.verts[3] = new Vertex3D(vEnd + vRight * flScale, new Vector3D(0, 0, 1), beamColor, new Vector2D(0, 0));
DrawQuad(beam);
if (DebugDataVisible == DebugSceneType.BoundingBox)
driver.Draw3DBox(BoundingBox, Color.White);
}
void DrawQuad(IrrQuad quad)
{
driver.SetMaterial(Material);
driver.DrawIndexedTriangleList(quad.verts, 4, indices, 4);
}