aenhancers

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function reset(p, def){
	if (p.isModified){
		if (p.expression!=="") p.expression = "";
		while (p.numKeys>0) p.removeKey(1);
		p.setValue(def);
		};
	return;
	};
	
var comp = app.project.activeItem;
var n, N, L, D3, NULL, CAM, LIGHT, def;
if (comp instanceof CompItem && comp.selectedLayers.length>0){
	
	N = comp.selectedLayers.length;
	for (n=0; n<N; n++){
		L = comp.selectedLayers[n];
		NULL = L.nullLayer;
		CAM = L instanceof CameraLayer;
		LIGHT = L instanceof LightLayer;
		D3 = L.threeDLayer || LIGHT || CAM;
		
		// remove effects:
		while (L.effect.numProperties>0) L.effect.property(1).remove();
		
		// reset transform properties
		if (LIGHT){
			
			// don't know how to reset lights
			
			}
		else{

			// scale
			if (!CAM) reset(L.transform.scale, [100,100,100]);
			
			// position : THE DEFAULT LOCATION FOR LIGHTS AND CAMERAS IS DIFFERENT (value depend on cam settings)
			def = L.parent ? [0,0,0] : [comp.width/2,comp.height/2, 0];
			if (CAM) def[2] -= L.cameraOption.zoom;
			if (L.transform.position.dimensionsSeparated){
				reset(L.transform.xPosition, def[0]);
				reset(L.transform.yPosition, def[1]);
				if (D3) reset(L.transform.zPosition, def[2]);
				}
			else{
				reset(L.transform.position, def);
				};
			
			// anchor point
			def = L.source && !NULL ? [L.width/2, L.height/2, 0] : [0,0,0];
			if (!CAM) reset(L.transform.anchorPoint, def);
			else if (L.transform.pointOfInterest.canSetExpression) reset(L.transform.pointOfInterest, def);	// can be hidden for 1 node cameras
			
			// rotation
			if (D3){
				reset(L.transform.xRotation, 0);
				reset(L.transform.yRotation, 0);
				reset(L.transform.zRotation, 0);
				}
			else{
				reset(L.transform.rotation, 0);
				};
			
			// orientation
			if (D3){
				reset(L.transform.orientation, [0,0,0]);
				};
			};
		};
	}
else{
	alert("Please select some layers to reset");
	};