public override void Render(Camera camera, double t)
{
vao.Begin();
normals_shader.Begin();
normals_shader.SetUniforms(camera);
GL.DrawArrays(PrimitiveType.Points, 0, length);
normals_shader.End();
points_shader.Begin();
points_shader.SetUniforms(camera);
GL.DrawArrays(PrimitiveType.Points, 0, length);
points_shader.End();
vao.End();
}
private void Initialize()
{
var vertices = new[] {
new VertexPositionColor(new Vector3(-1, -1, 0), new Vector3(1, 0, 0)),
new VertexPositionColor(new Vector3(1, -1, 0), new Vector3(0, 1, 0)),
new VertexPositionColor(new Vector3(-1, 1, 0), new Vector3(0, 0, 1)),
new VertexPositionColor(new Vector3(1, 1, 0), new Vector3(1, 1, 1))
};
vao = vertices.ToVertexArray();
//vao = Factory<VertexPositionColor>.CreateVertexArray(vertices);
shader = Factory <VertexPositionColor> .CreateShaderProgram(
new VertexShaders.PositionColor(),
new FragmentShaders.Color());
shader.Begin();
vao.Begin();
}