public void flush()
{
flushNum += 1;
vao.registerAttribute(0, vertBuffer, Vector3.SizeInBytes, 3);
vao.registerAttribute(1, texBuffer, Vector2.SizeInBytes, 2);
vao.bind();
Shader.start();
Matrix4 translationToOrigin = Matrix4.CreateTranslation(-1 * vertBuffer[0].X,
-1 * vertBuffer[0].Y, 0);
Matrix4 scale = Matrix4.CreateScale(2 * Camera.Zoom / (float)Window.Width,
2 * Camera.Zoom / (float)Window.Height, 1);
Matrix4 translationToFinalSpot = Matrix4.CreateTranslation(2 * Camera.Zoom * (vertBuffer[0].X - Camera.Position.X - Window.Width / 2) / Window.Width,
2 * Camera.Zoom * (vertBuffer[0].Y - Camera.Position.Y - Window.Height / 2) / Window.Height, 0);
Matrix4 world = Matrix4.Mult(translationToOrigin, scale);
world = Matrix4.Mult(world, translationToFinalSpot);
Shader.loadWorldRef(world);
GL.BindTexture(TextureTarget.Texture2D, tex);
GL.DrawArrays(PrimitiveType.Quads, 0, idx);
Shader.stop();
vao.unbind();
idx = 0;
}
public DefaultEntityRenderer(GameWindow window, Camera camera, Shader shader) : base(window, camera, shader)
{
vao = new VAO();
vertBuffer = new Vector3[4]
{
new Vector3(0, 0, 0),
new Vector3(1, 0, 0),
new Vector3(1, 1, 0),
new Vector3(0, 1, 0),
};
texBuffer = new Vector2[4]
{
new Vector2(0, 1),
new Vector2(1, 1),
new Vector2(1, 0),
new Vector2(0, 0),
};
Console.WriteLine((Vector2.SizeInBytes * 8 * 000) / 1024);
vao.registerAttribute(0, vertBuffer, Vector3.SizeInBytes, 3);
vao.registerAttribute(1, texBuffer, Vector2.SizeInBytes, 2);
/*
* VBO = GL.GenBuffer();
* GL.BindBuffer(BufferTarget.ArrayBuffer, VBO);
* GL.BufferData(BufferTarget.ArrayBuffer, (IntPtr)(Vector2.SizeInBytes * vertBuffer.Length), vertBuffer, BufferUsageHint.StaticDraw);
* GL.VertexPointer(2, VertexPointerType.Float, Vector2.SizeInBytes * 2, 0);
* GL.TexCoordPointer(2, TexCoordPointerType.Float, Vector2.SizeInBytes * 2, Vector2.SizeInBytes);
* GL.BindBuffer(BufferTarget.ArrayBuffer, 0);*/
}