ImpactJS Weltmiester: Don't consider entity offset when snapping to grid.

edit-entities.js.diff

diff --git a/htdocs/lib/weltmeister/edit-entities.js b/htdocs/lib/weltmeister/edit-entities.js
index f9d9250..6272f3e 100644
--- a/htdocs/lib/weltmeister/edit-entities.js
+++ b/htdocs/lib/weltmeister/edit-entities.js
@@ -141,7 +141,7 @@ wm.EditEntities = ig.Class.extend({
 		for( var i = 0; i < this.entities.length; i++ ) {
 			var ent = this.entities[i];
 			if( ent.touches(this.selector) ) {
-				this.selector.offset = {x: (x - ent.pos.x + ent.offset.x), y: (y - ent.pos.y + ent.offset.y)};
+				this.selector.offset = {x: (x - ent.pos.x), y: (y - ent.pos.y)};
 				this.selectEntity( ent );
 				this.wasSelectedOnScaleBorder = this.isOnScaleBorder( ent, this.selector );
 				return ent;
@@ -236,11 +236,9 @@ wm.EditEntities = ig.Class.extend({
 	
 	moveSelectedEntity: function( x, y ) {
 		x = 
-			( (x - this.selector.offset.x ) / this.gridSize ).round()
-			* this.gridSize + this.selectedEntity.offset.x;
+			( (x - this.selector.offset.x ) / this.gridSize ).round() * this.gridSize;
 		y = 
-			( (y - this.selector.offset.y ) / this.gridSize ).round() 
-			* this.gridSize + this.selectedEntity.offset.y;
+			( (y - this.selector.offset.y ) / this.gridSize ).round() * this.gridSize;
 		
 		// new position?
 		if( this.selectedEntity.pos.x != x || this.selectedEntity.pos.y != y ) {