[engine] remove tank grid align

src/common/haxe/ru/m/geom/Rectangle.hx

@@ -62,7 +62,7 @@ class Rectangle {
     }
 
     public function contain(point:Point):Bool {
-        return point.x >= x && point.y >= y && point.x <= width && point.y <= height;
+        return point.x >= left && point.y >= top && point.x <= right && point.y <= bottom;
     }
 
     public function intersection(rect:Rectangle):Bool {
@@ -72,6 +72,10 @@ class Rectangle {
                  rect.bottom < top);
     }
 
+    public function intersection2(line:Line):Bool {
+        return contain(line.point1) || contain(line.point2);
+    }
+
     public function lean(rect:Rectangle):Void {
         var side = rect.getSide(direction);
         if (direction.x != 0) {