frameBuffer.getColorBufferTexture().bind(0);
// at last lights are rendered over scene
if (rayHandler.shadows) {
final Color c = rayHandler.ambientLight;
ShaderProgram shader = shadowShader;
if (RayHandler.isDiffuse) {
shader = diffuseShader;
shader.begin();
rayHandler.diffuseBlendFunc.apply();
shader.setUniformf("ambient", c.r, c.g, c.b, c.a);
} else {
shader.begin();
rayHandler.shadowBlendFunc.apply();
shader.setUniformf("ambient", c.r * c.a, c.g * c.a,
c.b * c.a, 1f - c.a);
}
// shader.setUniformi("u_texture", 0);
lightMapMesh.render(shader, GL20.GL_TRIANGLE_FAN);
shader.end();
} else if (needed) {
rayHandler.simpleBlendFunc.apply();
withoutShadowShader.begin();
// withoutShadowShader.setUniformi("u_texture", 0);
lightMapMesh.render(withoutShadowShader, GL20.GL_TRIANGLE_FAN);