public static IntersectionNode Create()
{
// vertex buffer and index buffer.
var model = new IntersectionModel();
// vertex shader and fragment shader.
var vs = new VertexShader(vertexCode);
var fs = new FragmentShader(fragmentCode);
var array = new ShaderArray(vs, fs);
// which vertex buffer maps to which attribute in shader.
var map = new AttributeMap();
map.Add("inPosition", IntersectionModel.strPosition);
// build a render method.
var polygonModeSwitch = new PolygonModeSwitch(PolygonMode.Line);
var lineWidthSwitch = new LineWidthSwitch(5);
var offsetSwitch = new PolygonOffsetFillSwitch();
var builder = new RenderMethodBuilder(array, map, offsetSwitch, polygonModeSwitch, lineWidthSwitch);
// create node.
var node = new IntersectionNode(model, builder);
// initialize node.
node.Initialize();
return(node);
}
private SceneNodeBase GetRootNode()
{
var rootNode = new GroupNode();
{
var node = CubeNode.Create();
node.WorldPosition = new vec3(1, 1, 1) * 0.5f;
node.Scale = new vec3(1, 1, 1) * 0.5f;
rootNode.Children.Add(node);
}
{
var node = SliceNode.Create();
//node.Scale = new vec3(1, 1, 1) * 5;
//rootNode.Children.Add(node);
this.sliceNode = node;
}
{
var node = IntersectionNode.Create();
//node.Scale = new vec3(1, 1, 1) * 5;
rootNode.Children.Add(node);
this.intersectionNode = node;
}
//{
// var node = GroundNode.Create();
// node.Scale = new vec3(1, 1, 1) * 5;
// node.Color = Color.Yellow.ToVec4();
// rootNode.Children.Add(node);
//}
return(rootNode);
}