private void DrawRefractionMap(GameTime gameTime, ref Matrix ViewMatrix, ref Matrix ProjectionMatrix, Light SceneLight, Camera CurrentCam)
{
Vector4 planeCoefficients = new Vector4(ReflectNormalDirection, Elevation);
Matrix camMatrix = ViewMatrix * ProjectionMatrix;
Matrix invCamMatrix = Matrix.Invert(camMatrix);
invCamMatrix = Matrix.Transpose(invCamMatrix);
planeCoefficients = Vector4.Transform(planeCoefficients, invCamMatrix);
Plane RefractionClipPlane = new Plane(planeCoefficients);
Device.ClipPlanes[0].Plane = RefractionClipPlane;
Device.ClipPlanes[0].IsEnabled = true;
Device.SetRenderTarget(0, RefractionRenderTarg);
Device.Clear(ClearOptions.Target | ClearOptions.DepthBuffer, Color.CornflowerBlue, 1.0f, 0);
// Anything in this section will have refraction in water
if (SceneTerrain != null)
{
SceneTerrain.Draw(gameTime, ref ViewMatrix, ref ProjectionMatrix, SceneLight, CurrentCam);
}
if (game != null)
{
game.DrawAllEntities(gameTime, ref ViewMatrix, false, Elevation);
}
//Device.ResolveRenderTarget(0);
//Device.Re
Device.SetRenderTarget(0, null);
RefractionMap = RefractionRenderTarg.GetTexture();
Device.ClipPlanes[0].IsEnabled = false;
//RefractionMap.Save("refractionmap.jpg", ImageFileFormat.Jpg);
}
