Managed DirectX Tutorials: Part 4 - The Transformation Pipeline

using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using Microsoft.DirectX.Direct3D;
using Microsoft.DirectX;

namespace DXCore_1
{
    public class cObject
    {     
        public CustomVertex.PositionColored[] itsVerts;
        public Texture itsTexture;
        public Matrix itsTransform;
        public bool isActive;
    }

    public class cTriangle : cObject
    {
        public cTriangle(bool ac, Vector3 Translation, Vector3 Scale, Vector3 Rotation,Color pColor)
        {
            itsVerts = new CustomVertex.PositionColored[3];
            Matrix T = Matrix.Translation(Translation);
            Matrix S = Matrix.Scaling(Scale);
            Matrix Rx = Matrix.RotationX(Rotation.X);
            Matrix Ry = Matrix.RotationY(Rotation.Y);
            Matrix Rz = Matrix.RotationZ(Rotation.Z);
            itsTransform = Rx * Ry * Rz * T * S;
            isActive = ac;
           
            itsVerts[0] = new CustomVertex.PositionColored(new Vector3(0, 0, 0), pColor.ToArgb());
            itsVerts[1] = new CustomVertex.PositionColored(new Vector3(2, 0, 0), pColor.ToArgb());
            itsVerts[2] = new CustomVertex.PositionColored(new Vector3(1, 2, 0), pColor.ToArgb());
        }

        public void Render(Device device)
        {
            device.Transform.World = itsTransform;
            device.DrawUserPrimitives(PrimitiveType.TriangleList, 1, itsVerts);
        }
    }
}