public PointRenderer(OpenGL gl, IStaticScene scene)
{
_gl = gl;
_scene = scene;
_program = new ShaderBindable(gl, "Shaders/Point.vert", "Shaders/Point.frag");
_vao = new VAO(gl);
_vbo = new VBO(gl);
using (Bind.These(_vao, _vbo))
{
count = scene.Points.Count;
_vbo.Update(scene.Points.Select(p => new Vertex(p.Position, p.Color)));
gl.EnableVertexAttribArray(0);
gl.VertexAttribPointer(0, 3, OpenGL.GL_FLOAT, false, Vertex.Stride, new IntPtr(0));
gl.EnableVertexAttribArray(1);
gl.VertexAttribPointer(1, 4, OpenGL.GL_FLOAT, false, Vertex.Stride, new IntPtr(sizeof(float) * 3));
}
}
public PostProcesser(OpenGL gl, int width, int height)
{
_gl = gl;
_fbo = new FBO(gl, width, height);
_flatProgram = new ShaderBindable(gl, "Shaders/Flat.vert", "Shaders/Flat.frag");
_flat = new VAO(gl);
_flatBuffer = new VBO(gl);
using (new Bind(_flat))
using (new Bind(_flatBuffer))
{
var flatData = new float[] { -1, -1, 1, -1, -1, 1, 1, 1, };
_flatBuffer.Update(flatData, flatData.Length * sizeof(float));
gl.EnableVertexAttribArray(0);
gl.VertexAttribPointer(0, 2, OpenGL.GL_FLOAT, false, 0, new IntPtr(0));
gl.BindVertexArray(0);
}
_start = DateTime.Now;
}
public BackgroundRenderer(OpenGL gl, IBackground background)
{
_gl = gl;
_program = new ShaderBindable(gl, "Shaders/Background.vert", "Shaders/Background.frag");
_vao = new VAO(gl);
var flatBuffer = new VBO(gl);
using (new Bind(_vao))
using (new Bind(flatBuffer))
{
var data = new List <float>();
data.AddRange(new float[] { -1, -1 });
data.AddRange(background.BottomLeft.ToFloatArray());
data.AddRange(new float[] { 1, -1 });
data.AddRange(background.BottomRight.ToFloatArray());
data.AddRange(new float[] { 1, 1 });
data.AddRange(background.TopRight.ToFloatArray());
data.AddRange(new float[] { -1, 1 });
data.AddRange(background.TopLeft.ToFloatArray());
var flatData = data.ToArray();
flatBuffer.Update(flatData, flatData.Length * sizeof(float));
const int stride = sizeof(float) * 6;
gl.EnableVertexAttribArray(0);
gl.VertexAttribPointer(0, 2, OpenGL.GL_FLOAT, false, stride, new IntPtr(0));
gl.EnableVertexAttribArray(1);
gl.VertexAttribPointer(1, 4, OpenGL.GL_FLOAT, false, stride, new IntPtr(sizeof(float) * 2));
gl.BindVertexArray(0);
}
}