cscの作法 その598

概要

cscの作法、調べてみた。
wpf3d、やってみた。
練習問題やってみた。

練習問題

テクスチャに、画像を貼れ。

写真

サンプルコード

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Media.Media3D;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

class Main3d: Window {
	public Main3d() {
		var mesh = new MeshGeometry3D();
		mesh.Positions.Add(new Point3D(0.5, -0.5, 0));
		mesh.Positions.Add(new Point3D(0.5, 0.5, 0));
		mesh.Positions.Add(new Point3D(-0.5, 0.5, 0));
		mesh.Normals.Add(new Vector3D(0, 0, 1));
		mesh.Normals.Add(new Vector3D(0, 0, 1));
		mesh.Normals.Add(new Vector3D(0, 0, 1));
		mesh.TextureCoordinates.Add(new System.Windows.Point(7.0 / 8.0, 7.0 / 8.0));
		mesh.TextureCoordinates.Add(new System.Windows.Point(7.0 / 8.0, 1.0 / 8.0));
		mesh.TextureCoordinates.Add(new System.Windows.Point(1.0 / 8.0, 1.0 / 8.0));
		mesh.TriangleIndices.Add(0);
		mesh.TriangleIndices.Add(1);
		mesh.TriangleIndices.Add(2);
		var imageSrc = new BitmapImage(new Uri(@"C:\Users\ore\csc\cat8.png"));
		var material = new DiffuseMaterial(new ImageBrush(imageSrc));
		var geometry = new GeometryModel3D(mesh, material);
		var modelVisual = new ModelVisual3D();
		modelVisual.Content = geometry;
		var cam = new PerspectiveCamera();
		cam.Position = new Point3D(0, 0, 2);
		var light = new DirectionalLight();
		var vp3d = new Viewport3D();
		vp3d.Camera = cam;
		vp3d.Children.Add(modelVisual);
		vp3d.Children.Add(new ModelVisual3D() {
			Content = light
		});
		Width = 400;
		Height = 400;
		Content = vp3d;
	}
	[STAThread]
	static void Main() {
		var wnd = new Main3d();
		wnd.ShowDialog();
	}
}

以上。