internal void Draw()
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
var currentTime = (float)time.Elapsed.TotalSeconds;
var modelViewProjection = Matrix4.CreateOrthographic(15, 15, -15, 15); // use a projection also for handedness change!
#if SOLUTION
var rotation = Matrix4.CreateRotationY(currentTime);
modelViewProjection = rotation * modelViewProjection;
#endif
shaderProgram.Activate(modelViewProjection, currentTime);
vertexArray.Draw();
}
internal void Draw()
{
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
var modelViewProjection = Matrix4.Identity;
#if SOLUTION
var rotation = Matrix4.CreateRotationX(-0.5f * MathF.PI);
var projection = Matrix4.CreateOrthographic(4, 4, -4, 4); // use a projection also for handedness change!
modelViewProjection = projection;
#endif
shaderProgram.Activate(modelViewProjection);
vertexArray.Draw();
}
