private void 打开OToolStripMenuItem_Click(object sender, EventArgs e)
{
if (this.openFileDialog1.ShowDialog() == System.Windows.Forms.DialogResult.OK)
{
string filename = this.openFileDialog1.FileName;
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.RootNode;
this.scene.RootNode = node;
if (rootElement != null)
{
rootElement.Dispose();
}
}
}
}
public static OITNode Create(IBufferSource model, string position, string normal, vec3 size)
{
var builders = new RenderMethodBuilder[2];
{
var vs = new VertexShader(buildListsVert, vPosition, vNormal);
var fs = new FragmentShader(buildListsFrag);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add(vPosition, position);
map.Add(vNormal, normal);
builders[buildLists] = new RenderMethodBuilder(provider, map);
}
{
var vs = new VertexShader(resolveListsVert, vPosition, vNormal);
var fs = new FragmentShader(resolveListsFrag);
var provider = new ShaderArray(vs, fs);
var map = new AttributeMap();
map.Add(vPosition, position);
builders[resolveLists] = new RenderMethodBuilder(provider, map);
}
var node = new OITNode(model, position, builders);
node.ModelSize = size;
node.Initialize();
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;
}