public override bool Begin(gdi.Color color)
{
if (stateDraw)
{
return(false);
}
Begin();
Opengl32.glClearColor(color.R / 255f, color.G / 255f, color.B / 255f, color.A / 255f);
Opengl32.glClear(GLConsts.GL_COLOR_BUFFER_BIT);
ctx.Resize();
return(true);
}
void render(float dt)
{
animationTime += dt;
if (timerLog)
{
Console.WriteLine("Set clear Color");
}
Opengl32.glClearColor(0, 0, 0, 1);
if (timerLog)
{
Console.WriteLine("Clear Screen");
}
Opengl32.glClear(GLConsts.GL_COLOR_BUFFER_BIT);
pgl.Opengl32.glLoadIdentity();
float cx = (float)Math.Cos(animationTime);
float sx = (float)Math.Sin(animationTime);
pgl.Opengl32.glLoadMatrixf(new float[] {
cx, sx, 0, 0,
-sx, cx, 0, 0,
0, 0, 1, 0,
0, 0, 0, 1
});
if (timerLog)
{
Console.WriteLine("Begin triangle");
}
pgl.GL.Begin(PrimitiveType.TRIANGLES);
pgl.GL.Color(Color.Yellow);
pgl.GL.Vertex2(0, -.75f);
pgl.GL.Color(Color.Green);
pgl.GL.Vertex2(.75f, .75f);
pgl.GL.Color(Color.Red);
pgl.GL.Vertex2(-.75f, .75f);
pgl.GL.End();
if (timerLog)
{
Console.WriteLine("Ended Triangle");
}
if (timerLog)
{
Console.WriteLine("Swap Buffer");
}
ctx.SwapBuffer();
timerLog = false;
}