objective c - NSMutableDictionary not being set properly -

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I suspect that I am clarifying something here, but it is not working as it should be .. < / P> 

  treeRects = @ [@ 83, @ 227.5, @ 0, @ 6.5, @ 136.45, @ 268, @ 62.45, @ 36, @ 23 9 .45, @ 268, @1954.45 ]; [Collision Set Object: Treats Foreke: @ "Tree 1"];

And the reason that is not working, because conflict has not been started, but I can not seem to do this, every time I write something

collisionRects = [CollisionRects alloc] It really comes with AllKeys option, alloc is not what I am missing?

The way to start an NSMutableDictionary is as follows: 

  Collapse = [NSMutableDictionary dictionary];

If you know the size that needs size roughly: 

  collisionRects = [NSMutableDictionary DictionaryWithCapacity: 10];

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