public Square()
{
List <Vector4> vertics = mesh.vertics;
vertics.Add(new Vector4(-1, 1, 0));
vertics.Add(new Vector4(1, 1, 0));
vertics.Add(new Vector4(1, -1, 0));
vertics.Add(new Vector4(-1, -1, 0));
List <Color4> colors = mesh.colors;
colors.Add(Color4.red);
colors.Add(Color4.green);
colors.Add(Color4.blue);
colors.Add(Color4.yellow);
Triangle.Index idx0 = new Triangle.Index(0, 0, 0);
Triangle.Index idx1 = new Triangle.Index(1, 1, 0);
Triangle.Index idx2 = new Triangle.Index(2, 2, 0);
Triangle.Index idx3 = new Triangle.Index(3, 3, 0);
List <Triangle> triangles = mesh.triangles;
//顺时针方向构造三角形
triangles.Add(new Triangle(idx0, idx1, idx2));
triangles.Add(new Triangle(idx2, idx3, idx0));
}
public Tetrahedron()
{
List <Vector4> vertics = mesh.vertics;
vertics.Add(new Vector4(0, 1, 0));
vertics.Add(new Vector4(-0.5f, -0.5f, -Mathf.Sqrt(3f) * 0.25f));
vertics.Add(new Vector4(0.5f, -0.5f, -Mathf.Sqrt(3f) * 0.25f));
vertics.Add(new Vector4(0, -0.5f, Mathf.Sqrt(3f) * 0.25f));
List <Color4> colors = mesh.colors;
colors.Add(Color4.red);
colors.Add(Color4.green);
colors.Add(Color4.blue);
colors.Add(Color4.yellow);
Triangle.Index idx0 = new Triangle.Index(0, 0, 0);
Triangle.Index idx1 = new Triangle.Index(1, 1, 0);
Triangle.Index idx2 = new Triangle.Index(2, 2, 0);
Triangle.Index idx3 = new Triangle.Index(3, 3, 0);
List <Triangle> triangles = mesh.triangles;
//顺时针方向构造三角形
triangles.Add(new Triangle(idx0, idx2, idx1));
triangles.Add(new Triangle(idx0, idx3, idx2));
triangles.Add(new Triangle(idx0, idx1, idx3));
triangles.Add(new Triangle(idx1, idx2, idx3));
}
public Cube()
{
List <Vector4> vertics = mesh.vertics;
vertics.Add(new Vector4(-1, 1, -1));
vertics.Add(new Vector4(1, 1, -1));
vertics.Add(new Vector4(1, -1, -1));
vertics.Add(new Vector4(-1, -1, -1));
vertics.Add(new Vector4(-1, 1, 1));
vertics.Add(new Vector4(1, 1, 1));
vertics.Add(new Vector4(1, -1, 1));
vertics.Add(new Vector4(-1, -1, 1));
List <Color4> colors = mesh.colors;
colors.Add(Color4.yellow);
colors.Add(Color4.red);
colors.Add(Color4.green);
colors.Add(Color4.blue);
List <TexCoord> uvs = mesh.uvs;
uvs.Add(new TexCoord(0.0f, 0.0f));
uvs.Add(new TexCoord(1.0f, 0.0f));
uvs.Add(new TexCoord(1.0f, 1.0f));
uvs.Add(new TexCoord(0.0f, 1.0f));
Triangle.Index idx0 = new Triangle.Index(0, 0, 0);
Triangle.Index idx1 = new Triangle.Index(1, 1, 1);
Triangle.Index idx2 = new Triangle.Index(2, 2, 2);
Triangle.Index idx3 = new Triangle.Index(3, 3, 3);
Triangle.Index idx4 = new Triangle.Index(4, 2, 1);
Triangle.Index idx5 = new Triangle.Index(5, 0, 0);
Triangle.Index idx6 = new Triangle.Index(6, 3, 3);
Triangle.Index idx7 = new Triangle.Index(7, 1, 2);
material.texture = new Texture(@"Res\xxx.jpg");
//顺时针方向构造三角形
List <Triangle> triangles = mesh.triangles;
//前
triangles.Add(new Triangle(idx0, idx1, idx2));
triangles.Add(new Triangle(idx2, idx3, idx0));
//后
triangles.Add(new Triangle(idx7, idx6, idx5));
triangles.Add(new Triangle(idx5, idx4, idx7));
//上
triangles.Add(new Triangle(idx0, idx4, idx5));
triangles.Add(new Triangle(idx5, idx1, idx0));
//右
triangles.Add(new Triangle(idx1, idx5, idx6));
triangles.Add(new Triangle(idx6, idx2, idx1));
//下
triangles.Add(new Triangle(idx2, idx6, idx7));
triangles.Add(new Triangle(idx7, idx3, idx2));
//左
triangles.Add(new Triangle(idx3, idx7, idx4));
triangles.Add(new Triangle(idx4, idx0, idx3));
}
private Vertex GetVertex(Mesh mesh, Triangle.Index idx)
{
Vertex v = new Vertex
{
position = mesh.vertics[idx.vertex],
color = mesh.colors[idx.color]
};
if (mesh.uvs.Count > 0)
{
v.uv = mesh.uvs[idx.uv];
}
return(v);
}
