internal void Draw(Matrix4x4 matrix)
{
if (Game.Lights.Count == 0)
{
return;
}
Game.GraphicsDevice.SetRenderTarget(RenderTarget);
Game.GraphicsDevice.Clear(Color.Transparent);
RenderTarget.TextureSlot(0);
RenderTarget.BindTexture();
Matrix4x4 mat = matrix * Graphics.ViewProjectionMatrix;
int i = 0;
foreach (Light l in Game.Lights)
{
LightData ldata = new LightData();
ldata.Position = l.Position.Transform(matrix);
ldata.Intensity = (float)l.Intensity;
ldata.Radius = (float)(l.Radius * Game.Instance.Camera.ZoomFactor);
ldata.Color[0] = l.Color.RedComponent / 255f;
ldata.Color[1] = l.Color.GreenComponent / 255f;
ldata.Color[2] = l.Color.BlueComponent / 255f;
lightData[i++] = ldata;
}
databuffer.UpdateBuffer(0, lightData);
var device = Game.GraphicsDevice;
Graphics.SimpleFloodLightShader.Use();
Vao.Bind();
gl.Enable(Silk.NET.OpenGL.GLEnum.Blend);
gl.BlendFunc(Silk.NET.OpenGL.GLEnum.SrcAlpha, Silk.NET.OpenGL.GLEnum.One);
gl.DrawArraysInstanced(Silk.NET.OpenGL.GLEnum.Triangles, 0, 6, (uint)Game.Lights.Count);
}