private void DrawShadow <K, V>(AbstractRenderer3D <K, V> renderer) where V : IRenderable3D
{
// Skeletons use a custom shadow shader (since skeletal vertices are transformed differently).
var shadowShader = renderer.ShadowShader ?? shadowMapShader;
shadowShader.Use();
renderer.PrepareShadow();
List <V> items;
while ((items = renderer.RetrieveNext()) != null)
{
foreach (V item in items)
{
// Even if the object doesn't cast a shadow, its world matrix is recomputed here for use during
// normal rendering.
item.RecomputeWorldMatrix();
if (!item.IsShadowCaster)
{
continue;
}
shadowShader.SetUniform("lightMatrix", Light.Matrix * item.WorldMatrix);
renderer.Draw(item, null);
}
}
}
private void Draw <K, V>(AbstractRenderer3D <K, V> renderer) where V : IRenderable3D
{
renderer.Prepare();
List <V> items;
while ((items = renderer.RetrieveNext()) != null)
{
foreach (V item in items)
{
renderer.Draw(item, VpMatrix);
}
}
}
