public void RenderAmbientColor(BlinnPhongAmbientEventArgs arg)
{
ICamera camera = arg.Camera;
mat4 projection = camera.GetProjectionMatrix();
mat4 view = camera.GetViewMatrix();
mat4 model = this.GetModelMatrix();
RenderMethod method = this.RenderUnit.Methods[0];
ShaderProgram program = method.Program;
program.SetUniform("mvpMat", projection * view * model);
program.SetUniform("ambientColor", arg.Ambient);
method.Render();
}
/// <summary>
///
/// </summary>
/// <param name="param"></param>
public override void Act(ActionParams param)
{
{
var arg = new BlinnPhongAmbientEventArgs(param, this.scene.Camera, this.scene.AmbientColor);
RenderAmbientColor(this.scene.RootNode, arg);
}
this.blend.On();
foreach (var light in this.scene.Lights)
{
var arg = new RenderEventArgs(param, this.scene.Camera);
RenderBlinnPhong(this.scene.RootNode, arg, light);
}
this.blend.Off();
}
private static void RenderAmbientColor(SceneNodeBase sceneNodeBase, BlinnPhongAmbientEventArgs arg)
{
if (sceneNodeBase != null)
{
var node = sceneNodeBase as IBlinnPhong;
ThreeFlags flags = (node != null) ? node.EnableRendering : ThreeFlags.None;
bool before = (node != null) && ((flags & ThreeFlags.BeforeChildren) == ThreeFlags.BeforeChildren);
bool children = (node == null) || ((flags & ThreeFlags.Children) == ThreeFlags.Children);
bool after = (node != null) && ((flags & ThreeFlags.AfterChildren) == ThreeFlags.AfterChildren);
if (before || after)
{
node.RenderAmbientColor(arg);
}
if (children)
{
foreach (var item in sceneNodeBase.Children)
{
RenderAmbientColor(item, arg);
}
}
}
}