public static RenderCommand DrawUI()
{
return(new RenderCommand("Draw UI", (ref RenderContext context) =>
{
if (!context.TryGetData(out UICanvasRenderData canvasRenderData))
{
return;
}
Ogl.Disable(EnableCap.CullFace);
Ogl.Disable(EnableCap.DepthTest);
Ogl.Enable(EnableCap.Blend);
Ogl.BlendFunc(BlendingFactor.SrcAlpha, BlendingFactor.OneMinusSrcAlpha);
Matrix4 projection = canvasRenderData.Camera.CalculateProjection();
List <UICanvas> canvases = canvasRenderData.GetCanvases();
for (int i = 0; i < canvases.Count; i++)
{
UICanvas canvas = canvases[i];
canvas.deltaTimeText.Text = $"{FrameContext.Current.count} frame - {FrameContext.Current.delta * 1000:F1}ms - {1 / FrameContext.Current.delta:F1}fps";
canvas.UpdateRenderers();
var renderables = canvas.GetRenderables();
for (int m = 0; m < renderables.Count; m++)
{
UI_IRenderable currRenderable = renderables[m];
currRenderable.Material.SetMatrix("projection", projection);
currRenderable.DrawUI(canvasRenderData.Mesh);
}
}
Ogl.Enable(EnableCap.CullFace);
Ogl.Enable(EnableCap.DepthTest);
Ogl.Disable(EnableCap.Blend);
}));