/// <summary>
/// Render a teapot in modern opengl.
/// </summary>
/// <returns></returns>
public static MultiTargetTeapotNode Create(bool adjacent = false)
{
IBufferSource model; vec3 size;
if (adjacent)
{
var m = new AdjacentTeapot(); size = m.GetModelSize(); model = m;
}
else
{
var m = new Teapot(); size = m.GetModelSize(); model = m;
}
string position = adjacent ? AdjacentTeapot.strPosition : Teapot.strPosition;
string color = adjacent ? AdjacentTeapot.strColor : Teapot.strColor;
var vs = new VertexShader(vertexCode);
var fs = new FragmentShader(fragmentCode);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add(inPosition, position);
map.Add(inColor, color);
var builder = new RenderMethodBuilder(provider, map);
var node = new MultiTargetTeapotNode(model, position, builder);
node.Initialize();
node.ModelSize = size;
return(node);
}
private void FormMain_Load(object sender, EventArgs e)
{
var teapot = MultiTargetTeapotNode.Create();
this.teapot = teapot;
var framebufferProvider = new MultiTargetFramebufferProvider();
this.framebufferProvider = framebufferProvider;
var rtt = new RenderToTextureNode(width, height, new Camera(new vec3(0, 0, 5), new vec3(0, 0, 0), new vec3(0, 1, 0), CameraType.Perspecitive, width, height), framebufferProvider);
rtt.Children.Add(teapot);// rendered to framebuffer, then to texture.
//this.rtt = rtt;
var rectangle = RectangleNode.Create();
//var rectangle = new LegacyRectangleRenderer();//LegacyRectangleRenderer dosen't work in rendering-to-texture.
rectangle.TextureSource = rtt;
rectangle.Scale = new vec3(7, 7, 7);
this.rectangle = rectangle;
var group = new GroupNode();
group.Children.Add(rtt);
group.Children.Add(rectangle);
var position = new vec3(5, 1, 4);
var center = new vec3(0, 0, 0);
var up = new vec3(0, 1, 0);
var camera = new Camera(position, center, up, CameraType.Perspecitive, this.winGLCanvas1.Width, this.winGLCanvas1.Height);
this.scene = new Scene(camera)
{
ClearColor = Color.SkyBlue.ToVec4(),
RootNode = group,
};
var list = new ActionList();
var transformAction = new TransformAction(scene);
list.Add(transformAction);
var renderAction = new RenderAction(scene);
list.Add(renderAction);
this.actionList = list;
}
