public virtual void RenderUI(CanvasRenderer renderer, Component_RenderingPipeline.RenderSceneData.LightItem lightItem, Viewport viewport, double intensity)
{
var lightPosition = lightItem.Position;
//!!!!override real position
//{
// if( Sun.Instances.Count > 0 )
// {
// //get first sun entity on the map.
// Sun sun = Sun.Instances[ 0 ];
// Vec3 direction;
// if( sun.BillboardOverridePosition != Vec3.Zero )
// direction = sun.BillboardOverridePosition.GetNormalize();
// else
// direction = -sun.Rotation.GetForward();
// position = camera.Position + direction * 100000;
// return true;
// }
// position = Vec3.Zero;
// return false;
//}
if (viewport.CameraSettings.ProjectToScreenCoordinates(lightPosition, out var screenLightPosition))
{
//get enabled flares
var flares = GetComponents <Component_LensFlare>(onlyEnabledInHierarchy: true);
//sort by position
CollectionUtility.SelectionSort(flares, delegate(Component_LensFlare f1, Component_LensFlare f2)
{
if (f1.Position > f2.Position)
{
return(-1);
}
if (f1.Position < f2.Position)
{
return(1);
}
return(0);
});
//for( int n = 0; n < flares.Count; n++ )
// sortedFlares[ n ].tempSmoothIntensityFactor = cameraInfo.SmoothIntensityFactors[ n ];
//render
foreach (var flare in flares)
{
var image = flare.Image.Value;
var flareVector = screenLightPosition - new Vector2(0.5, 0.5);
var flarePosition = new Vector2(0.5, 0.5) + flareVector * flare.Position;
var size = flare.Size.Value;
var flareSize = new Vector2(size.X, size.Y * renderer.AspectRatio);
var rectangle = new Rectangle(flarePosition - flareSize * 0.5, flarePosition + flareSize * 0.5);
var flareColor = Color.Value * flare.Color * new ColorValue(1, 1, 1, intensity);
// * new ColorValue( 1, 1, 1, item.tempSmoothIntensityFactor );
if (flareColor.Alpha > 0)
{
renderer.PushBlendingType(flare.Blending.Value);
renderer.AddQuad(rectangle, new RectangleF(0, 0, 1, 1), image, flareColor, true);
renderer.PopBlendingType();
}
}
}
}