BugFix light

hrt/prefab/Light.hx

@@ -195,17 +195,13 @@ class Light extends Object3D {
 
 	override function updateInstance( ctx : Context, ?propName : String ) {
 		super.updateInstance(ctx, propName);
-
+		
 		var color = color | 0xff000000;
-		var light = Std.downcast(ctx.local3d,h3d.scene.pbr.Light);
-		if( light == null ) {
-			// FWD light
-			var light = Std.downcast(ctx.local3d, h3d.scene.Light);
-			light.color.setColor(color | 0xFF000000);
-		} else {
-			// PBR light
-			light.isMainLight = isMainLight;
-			light.occlusionFactor = occlusionFactor;
+		var pbrLight = Std.downcast(ctx.local3d, h3d.scene.pbr.Light);
+		var light = Std.downcast(ctx.local3d, h3d.scene.pbr.Light);
+		if( pbrLight != null ) { // PBR 
+			pbrLight.isMainLight = isMainLight;
+			pbrLight.occlusionFactor = occlusionFactor;
 
 			switch( kind ) {
 			case Spot:
@@ -222,28 +218,31 @@ class Light extends Object3D {
 				pl.zNear = hxd.Math.max(0.02, zNear);
 			default:
 			}
-			light.color.setColor(color);
-			light.power = power;
-			light.shadows.mode = shadows.mode;
-			light.shadows.size = shadows.size;
-			light.shadows.blur.radius = shadows.radius;
-			light.shadows.blur.quality = shadows.quality;
-			light.shadows.bias = shadows.bias * 0.1;
+			pbrLight.color.setColor(color);
+			pbrLight.power = power;
+			pbrLight.shadows.mode = shadows.mode;
+			pbrLight.shadows.size = shadows.size;
+			pbrLight.shadows.blur.radius = shadows.radius;
+			pbrLight.shadows.blur.quality = shadows.quality;
+			pbrLight.shadows.bias = shadows.bias * 0.1;
 
 			switch (shadows.samplingMode.kind) {
 				case None:
-					light.shadows.samplingKind = None;
+					pbrLight.shadows.samplingKind = None;
 				case PCF:
 					var sm : ShadowSamplingPCF = cast shadows.samplingMode;
-					light.shadows.pcfQuality = sm.quality;
-					light.shadows.pcfScale = sm.scale;
-					light.shadows.samplingKind = PCF;
+					pbrLight.shadows.pcfQuality = sm.quality;
+					pbrLight.shadows.pcfScale = sm.scale;
+					pbrLight.shadows.samplingKind = PCF;
 				case ESM:
 					var sm : ShadowSamplingESM = cast shadows.samplingMode;
-					light.shadows.power = sm.power;
-					light.shadows.samplingKind = ESM;
+					pbrLight.shadows.power = sm.power;
+					pbrLight.shadows.samplingKind = ESM;
 			}
 		}
+		else if( light != null ) { // FWD 
+			light.color.setColor(color | 0xFF000000);
+		} 
 
 		#if editor