set default shadowMapScale value to 1.0

Sources/iron/object/LightObject.hx

@@ -18,7 +18,7 @@ class LightObject extends Object {
 	public var lightInAtlas = false;
 	public var culledLight = false;
 	public static var pointLightsData: kha.arrays.Float32Array = null;
-	public var shadowMapScale = 0.0;
+	public var shadowMapScale = 1.0; // When in forward if this defaults to 0.0, the atlas are not drawn before being bound.
 	// Data used in uniforms
 	public var tileOffsetX: Array<Float> = [0.0];
 	public var tileOffsetY: Array<Float> = [0.0];