public virtual void OnRenderShadow(Device device, Vector3 p1, Vector3 p2, Vector3 p3, Vector3 lightDir)
{
if (Visible == false)
{
return;
}
if (matrixInvalid)
{
// scale
transformMatrix = Matrix.Scaling(scale);
// Rotate
switch (orientationMode)
{
case OrientationModeEnum.XYZ:
transformMatrix.Multiply(Matrix.RotationX(orientation.X));
transformMatrix.Multiply(Matrix.RotationY(orientation.Y));
transformMatrix.Multiply(Matrix.RotationZ(orientation.Z));
break;
case OrientationModeEnum.Axis:
transformMatrix.Multiply(Matrix.RotationAxis(orientation, rotationAngle));
break;
case OrientationModeEnum.YawPitchRoll:
transformMatrix.Multiply(Matrix.RotationYawPitchRoll(orientation.X, orientation.Y, orientation.Z));
break;
case OrientationModeEnum.Quaternion:
// TODO
break;
case OrientationModeEnum.YXZ:
transformMatrix.Multiply(Matrix.RotationY(orientation.Y));
transformMatrix.Multiply(Matrix.RotationX(orientation.X));
transformMatrix.Multiply(Matrix.RotationZ(orientation.Z));
break;
}
// Translate
transformMatrix.Multiply(Matrix.Translation(position));
matrixInvalid = false;
}
/*
* Matrix newTransformMatrix = transformMatrix;
* if (parent != null)
* {
* newTransformMatrix.Multiply(parent.transformMatrix);
* }
*/
Matrix newTransformMatrix = InheritedTransformMatrix;
Plane plane = Plane.FromPoints(p1, p2, p3);
Matrix shadowMat = new Matrix();
shadowMat.Shadow(new Vector4(lightDir.X, lightDir.Y, lightDir.Z, 0f), plane);
newTransformMatrix.Multiply(shadowMat);
// Move
device.Transform.World = newTransformMatrix;
// Render
if (mesh != null)
{
if (mesh is XMesh)
{
XMesh xmesh = mesh as XMesh;
xmesh.OnRenderShadow(device);
}
}
// Reset transformation
device.Transform.World = Matrix.Identity;
// Forward to children
foreach (GameObject child in children)
{
child.OnRenderShadow(device, p1, p2, p3, lightDir);
}
}