private SceneNodeBase GetRootNode()
{
var rootNode = new GroupNode();
{
var axisNode = AxisNode.Create();
axisNode.Scale = new vec3(1, 1, 1) * 2f;
rootNode.Children.Add(axisNode);
}
{
var cameraNode = CameraNode.Create();
cameraNode.Scale = new vec3(1, 1, 1) * 1f;
rootNode.Children.Add(cameraNode);
}
{
var perspectiveNode = PerspectiveNode.Create();
rootNode.Children.Add(perspectiveNode);
}
//{
// var cameraOutlineNode = CameraOutlineNode.Create();
// rootNode.Children.Add(cameraOutlineNode);
//}
//{
// var groundNode = GroundNode.Create();
// rootNode.Children.Add(groundNode);
//}
{
var sliceNode = SliceNode.Create();
sliceNode.WorldPosition = new vec3(0, 0, -7);
sliceNode.Scale = new vec3(1, 1, 1) * 7;
rootNode.Children.Add(sliceNode);
}
{
var cubeNode = CubeNode.Create();
cubeNode.WorldPosition = new vec3(0, 0, -7);
cubeNode.RotationAngle = 35;
cubeNode.RotationAxis = new vec3(1, 1, 1);
rootNode.Children.Add(cubeNode);
}
{
var groundNode = GroundNode.Create();
groundNode.Scale = new vec3(1, 1, 1) * 0.5f;
groundNode.WorldPosition = new vec3(0, 0, -7);
groundNode.RotationAngle = 90;
groundNode.RotationAxis = new vec3(1, 0, 0);
rootNode.Children.Add(groundNode);
}
return(rootNode);
}
public static GroundNode Create()
{
// vertex buffer and index buffer.
var model = new GroundModel(14);
// 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", GroundModel.strPosition);
// build a render method.
var builder = new RenderMethodBuilder(array, map, new LineWidthSwitch(1));
// create node.
var node = new GroundNode(model, builder);
// initialize node.
node.Initialize();
return(node);
}