private SceneNodeBase GetTree(Scene scene)
{
var children = new List <SceneNodeBase>();
{
const float alpha = 0.2f;
var colors = new vec4[] { new vec4(1, 0, 0, alpha), new vec4(0, 1, 0, alpha), new vec4(0, 0, 1, alpha) };
for (int k = -1; k < 2; k++)
{
for (int j = -1; j < 2; j++)
{
int index = 0;
for (int i = -1; i < 2; i++)
{
vec3 worldPosition = new vec3(i * 2, j * 2, k * 2);
var cubeNode = CubeNode.Create();
cubeNode.WorldPosition = worldPosition;
cubeNode.Color = colors[index++];
cubeNode.Name = string.Format("{0},{1},{2}:{3}", k, j, i, cubeNode.Color);
children.Add(cubeNode);
}
}
}
}
this.peelingNode = new PeelingNode(children.ToArray());
return(this.peelingNode);
}
public static CubeNode Create()
{
RenderMethodBuilder initBuilder, peelBuilder;
{
var vs = new VertexShader(Shaders.initVert);
var fs = new FragmentShader(Shaders.initFrag);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add("vVertex", CubeModel.positions);
initBuilder = new RenderMethodBuilder(provider, map);
}
{
var vs = new VertexShader(Shaders.peelVert);// reuse blend vertex shader.
var fs = new FragmentShader(Shaders.peelFrag);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add("vVertex", CubeModel.positions);
peelBuilder = new RenderMethodBuilder(provider, map);
}
var model = new CubeModel();
var node = new CubeNode(model, initBuilder, peelBuilder);
node.Initialize();
return(node);
}
private void trvScene_AfterSelect(object sender, TreeViewEventArgs e)
{
if (lastSelected != null)
{
vec4 color = lastSelected.Color;
float alpha = color.w;
lastSelected.Color = new vec4(color.x, color.y, color.z, alpha / 3.0f);
lastSelected = null;
}
var cube = e.Node.Tag as CubeNode;
if (cube != null)
{
vec4 color = cube.Color;
float alpha = color.w;
cube.Color = new vec4(color.x, color.y, color.z, alpha * 3.0f);
this.lastSelected = cube;
}
this.propGrid.SelectedObject = e.Node.Tag;
this.lblState.Text = string.Format("{0} objects selected.", 1);
}