protected void MoveObserverToTransformation(HomogeneousPoint3D point, IPolyhedron3D obj)
{
Matrix affineMatrix = AffineTransformation.MoveOriginTo(point);
obj.Transform(affineMatrix);
obj.TransformRotationCenter(affineMatrix);
}
private static void MovePolyhedronGeometricCenter(HomogeneousPoint3D currentCenter,
HomogeneousPoint3D needCenter, IPolyhedron3D polyhedron)
{
var originPoint = new HomogeneousPoint3D(
currentCenter.X - needCenter.X,
currentCenter.Y - needCenter.Y,
currentCenter.Z - needCenter.Z,
needCenter.W);
Matrix affineMatrix = AffineTransformation.MoveOriginTo(originPoint);
polyhedron.Transform(affineMatrix);
}
protected void RotateAroundVectorTransformation(double angle, IPolyhedron3D obj)
{
Matrix affineMatrix = AffineTransformation.RotateAroundVector(obj.RotationVector, angle);
obj.Transform(affineMatrix);
}
protected void RotateAroundAxisTransformation(Axis3D axis, double angle, IPolyhedron3D obj)
{
Matrix affineMatrix = AffineTransformation.RotateAroundAxisAtPoint(axis, obj.RotationCenter, angle);
obj.Transform(affineMatrix);
}