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Question by Tyrebear · Dec 22, 2013 at 12:19 AM · drag-and-drop stretch elastic

How Can I Create A Stretchable 2D Object or GUI Arrow?

Hi what i basically am trying to do with my game is create an arrow that is fixed to a certain point and when the user drags from that point with a mouse click or a touch input an arrow is drawn behind their finger or mouse. The length of the arrow should always be in relation to the players finger or mouse position. If i did a bad job of explaining it here is a visual representation of what I am trying to achieve.

alt text Also imagine the angry birds slingshot without elasticity. Kind of like a piece of bubble gum.

food dragging concept.png (518.2 kB)

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Tyrebear · Dec 22, 2013 at 02:03 AM 0

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cool, thanks for the resources. I tried to find answers like that before but I didn't really know where to start. I made a some of my own scripts based off of those resources and they were successful in an empty project. Unfortunately I have to rebuild my entire scene and start a new project because I keep getting an error whenever a script tries to access the mouse click. "NullReferenceException : Object reference not set to an instance of an object (script blah blah blah, at assets (whatever script). I would make another forum post but I was wondering if you could help me.

robertbu · Dec 22, 2013 at 02:08 AM 0

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You need to post the script along with a copy of the error message from the Console. You may get more eyes looking at your issues if you post it as a new question.

Tyrebear · Dec 22, 2013 at 02:16 AM 0

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Woot! Never $$anonymous$$d I just fixed it, A light bulb went off in my head and I forgot to set the tag on my camera to "main camera" Anyways I think you answered my question adequately. Thanks so much for the help.