/// <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 position = new vec3(5, 3, 4);
var center = new vec3(0, 0, 0);
var up = new vec3(0, 1, 0);
var camera = new Camera(position, center, up, CameraType.Perspective, this.winGLCanvas1.Width, this.winGLCanvas1.Height);
this.scene = new Scene(camera)
;
var list = new ActionList();
var transformAction = new TransformAction(scene);
list.Add(transformAction);
var renderAction = new RenderAction(scene);
list.Add(renderAction);
this.actionList = list;
this.pickingAction = new Picking(scene);
this.triangleTip = new LegacyTriangleNode();
this.quadTip = new LegacyQuadNode();
var manipulater = new FirstPerspectiveManipulater();
manipulater.Bind(camera, this.winGLCanvas1);
//string folder = System.Windows.Forms.Application.StartupPath;
//string filename = System.IO.Path.Combine(folder + @"\..\..\..\..\Infrastructure\CSharpGL.Models", "vnfHanoiTower.obj_");
//var parser = new ObjVNFParser(false);
//ObjVNFResult result = parser.Parse(filename);
//if (result.Error != null)
//{
// MessageBox.Show(result.Error.ToString());
//}
//else
//{
// var model = new ObjVNF(result.Mesh);
// var node = OITNode.Create(model, ObjVNF.strPosition, ObjVNF.strNormal, model.GetSize());
// float max = node.ModelSize.max();
// node.Scale *= 7.0f / max;
// node.WorldPosition = new vec3(0, 0, 0);
// var rootElement = this.scene.RootElement;
// this.scene.RootElement = node;
// if (rootElement != null) { rootElement.Dispose(); }
//}
// use teapot instead.
var model = new Teapot();
var node = OITNode.Create(model, Teapot.strPosition, Teapot.strNormal, model.GetModelSize());
float max = node.ModelSize.max();
node.Scale *= 7.0F / max;
node.WorldPosition = new vec3(0, 0, 0);
this.scene.RootNode = node;
}
private SceneNodeBase GetRootElement()
{
var group = new GroupNode();
{
var model = new Teapot();
var node = ShadowMappingNode.Create(model, Teapot.strPosition, Teapot.strNormal, model.GetModelSize());
node.Color = Color.Gold.ToVec3();
node.RotateSpeed = 1;
group.Children.Add(node);
}
{
var model = new GroundModel();
var node = ShadowMappingNode.Create(model, GroundModel.strPosition, GroundModel.strNormal, model.ModelSize);
node.Color = Color.White.ToVec3();
node.Scale *= 100;
node.WorldPosition = new vec3(0, -3, 0);
group.Children.Add(node);
}
return(group);
}
private DepthTeapotNode(Teapot model, params RenderMethodBuilder[] builder)
: base(model, builder)
{
this.ModelSize = model.GetModelSize();
}
private SceneNodeBase GetRootElement()
{
var group = new GroupNode();
var lightPosition = new vec3(0, 3, 5) * 2;
var localLight = new SpotLight(lightPosition, new vec3(0, 0, 0), 60, 1, 500)
{
Color = new vec3(1, 1, 1),
};
{
var lightContainer = new LightContainerNode(localLight);
{
var model = new Teapot();
var node = ShadowMappingNode.Create(model, Teapot.strPosition, Teapot.strNormal, model.GetModelSize());
node.Diffuse = Color.Gold.ToVec3();
node.RotateSpeed = 1;
lightContainer.Children.Add(node);
}
{
var model = new GroundModel();
var node = ShadowMappingNode.Create(model, GroundModel.strPosition, GroundModel.strNormal, model.ModelSize);
node.Diffuse = Color.AliceBlue.ToVec3();
node.Scale *= 30;
node.WorldPosition = new vec3(0, -3, 0);
lightContainer.Children.Add(node);
}
group.Children.Add(lightContainer);
}
{
var rectangle = RectangleNode.Create();
rectangle.TextureSource = localLight;
rectangle.RotationAngle = 45;
rectangle.WorldPosition = new vec3(5, 1, 5) * 3;
rectangle.Scale *= 4;
group.Children.Add(rectangle);
}
{
var cube = LightPostionNode.Create();
cube.WorldPosition = lightPosition;
cube.SetLight(localLight);
group.Children.Add(cube);
}
return(group);
}