private bool Render(float rotation) { // Clear the buffer to begin the scene. D3D.BeginScene(0f, 0f, 0f, 1f); // Generate the view matrix based on the camera position. Camera.Render(); // Get the world, view, and projection matrices from camera and d3d objects. var viewMatrix = Camera.ViewMatrix; var worldMatrix = D3D.WorldMatrix; var projectionMatrix = D3D.ProjectionMatrix; // Rotate the world matrix by the rotation value so that the triangle will spin. Matrix.RotationY(rotation, out worldMatrix); // Put the model vertex and index buffers on the graphics pipeline to prepare them for drawing. Model.Render(D3D.DeviceContext); // Render the model using the color shader. if (!LightShader.Render(D3D.DeviceContext, Model.IndexCount, worldMatrix, viewMatrix, projectionMatrix, Model.Texture.TextureResource, Light.Direction, Light.AmbientColor, Light.DiffuseColor)) { return(false); } // Present the rendered scene to the screen. D3D.EndScene(); return(true); }