/// <summary>
/// Crea un`istanza del MasterRenderer
/// </summary>
/// <param name="camera">La camper usata nella scena</param>
/// <param name="width">Larghezza in pixel della finestra</param>
/// <param name="height">Altezza in pixel della finestra</param>
public ShadowMapMasterRenderer(Camera camera, int width, int height)
{
shader = new ShadowShader();
shadowBox = new ShadowBox(lightViewMatrix, camera, width, height);
shadowFbo = new ShadowFrameBuffer(SHADOW_MAP_SIZE, SHADOW_MAP_SIZE);
entityRenderer = new ShadowMapEntityRenderer(shader, projectionViewMatrix);
}
/// <summary>
/// Preparazione prima del rendering
/// </summary>
/// <param name="lightDirection">La direzione dei raggi del sole</param>
/// <param name="box">Informazioni riguardo il "view cuboid"</param>
private void Prepare(Vector3 lightDirection, ShadowBox box)
{
UpdateOrthoProjectionMatrix(box.GetWidth(), box.GetHeight(), box.GetLength());
UpdateLightViewMatrix(lightDirection, box.GetCenter());
/////////////////
projectionMatrix = lightViewMatrix * projectionViewMatrix;
shadowFbo.BindFrameBuffer();
GL.Enable(EnableCap.DepthTest);
GL.Clear(ClearBufferMask.DepthBufferBit);
shader.Start();
}