/// <summary>
/// Renders the scene to each of the 6 faces of the cube map
/// </summary>
private void RenderSceneIntoEnvMap()
{
// Set the projection matrix for a field of view of 90 degrees
Matrix matProj;
matProj = Matrix.PerspectiveFovLH((float)Math.PI * 0.5f, 1.0f, 0.5f, 1000.0f);
// Get the current view matrix, to concat it with the cubemap view vectors
Matrix matViewDir = ViewMatrix;
matViewDir.M41 = 0.0f; matViewDir.M42 = 0.0f; matViewDir.M43 = 0.0f;
// Render the six cube faces into the environment map
if (environment != null)
{
rte.BeginCube(environment);
}
for (int i = 0; i < 6; i++)
{
rte.Face((CubeMapFace)i, 1);
// Set the view transform for this cubemap surface
Matrix matView = Matrix.Multiply(matViewDir, GetCubeMapViewMatrix((CubeMapFace)i));
// Render the scene (except for the teapot)
RenderScene(matView, matProj, false);
}
rte.End(1);
}
private void DrawToEnvironment()
{
rte.BeginCube(cubeTexture);
for (int i = 0; i < 6; i++)
{
rte.Face(( CubeMapFace )i, ( int )Filter.None);
d3dDevice.Transform.World = Matrix.Translation(teapotPos);
d3dDevice.Transform.Projection = Matrix.PerspectiveFovLH(( float )Math.PI / 4, 1.0f, 1.0f, 10000.0f);
d3dDevice.Transform.View = GetViewMatrixForSide(( CubeMapFace )i);
DrawQ3Map();
}
rte.End(( int )Filter.None);
}