/// <summary>
/// Called when it is time to draw a frame.
/// </summary>
public override void Draw()
{
// Clears the background
Display.ClearBuffers();
// Aplly a rotation
Matrix4 mvp = Matrix4.CreateRotationY(Yaw) * ModelViewMatrix * ProjectionMatrix;
Display.Shader = Shader;
// Uniforms
Shader.SetUniform("modelview", mvp);
Shader.SetUniform("DiffuseMaterial", new float[] { 0.0f, 0.75f, 0.75f });
Shader.SetUniform("LightPosition", new float[] { 0.25f, 0.25f, -1.0f });
Shader.SetUniform("AmbientMaterial", new float[] { 0.04f, 0.04f, 0.04f });
Shader.SetUniform("SpecularMaterial", new float[] { 0.5f, 0.5f, 0.5f });
Shader.SetUniform("Shininess", 50.0f);
if (swap)
{
Torus.Draw();
}
else
{
Trefoil.Draw();
}
// Some dummy text
Sprite.Begin();
Sprite.DrawString(Font, new Vector2(50, 25), Color.White, "Here's an example of draw buffers.");
Sprite.DrawString(Font, new Vector2(50, 50), Color.White, "Press space key to swap mesh.");
Sprite.End();
}
/// <summary>
/// Unload contents
/// </summary>
public override void UnloadContent()
{
if (Font != null)
{
Font.Dispose();
}
Font = null;
if (Shader != null)
{
Shader.Dispose();
}
Shader = null;
if (Sprite != null)
{
Sprite.Dispose();
}
Sprite = null;
if (Trefoil != null)
{
Trefoil.Dispose();
}
Trefoil = null;
if (Torus != null)
{
Torus.Dispose();
}
Torus = null;
}