public Cube()
{
//top
triangles[0] = new Triangle3D(a, b, c);
triangles[1] = new Triangle3D(a, c, d);
//bottom
triangles[2] = new Triangle3D(e, h, f);
triangles[3] = new Triangle3D(f, h, g);
//front
triangles[4] = new Triangle3D(d, c, g);
triangles[5] = new Triangle3D(d, g, h);
//back
triangles[6] = new Triangle3D(a, e, b);
triangles[7] = new Triangle3D(b, e, f);
//left
triangles[8] = new Triangle3D(b, f, c);
triangles[9] = new Triangle3D(c, f, g);
//right
triangles[10] = new Triangle3D(a, d, h);
triangles[11] = new Triangle3D(a, h, e);
}
private void Form1_Load(object sender, EventArgs e)
{
//只有最后是1是点跟矩阵相乘才有意义
Vector4 a = new Vector4(0, 0.5, 0, 1);
Vector4 b = new Vector4(0.5, -0.5, 0, 1);
Vector4 c = new Vector4(-0.5, -0.5, 0, 1);
t = new Triangle3D(a, b, c);
//缩放
//t.Transform(m_scale);
}