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Question by lazarus-liew · Aug 20, 2014 at 11:04 AM · collisioncollidersprite2d-physicstransparency

2D collisions on a Game Object Sprite with transparent areas

i had a fire animation on Game Object sprite, and i had success to make the fire ball able to trigger. but my problem is because the Image itself had transparent part, and the transparent area able trigger when i click it.

is that got any way, like add what component can auto remove the transparent part? or wont have any effect when i click on the transparent part?

because the images list is huge, so if i do it manual it. then it really will take a lot of time. so i hope any one can show me got other way to make it faster or not? even scripting, component or properties also can. thanks a lot.

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Answer by Kamawoop · Aug 25, 2017 at 09:56 PM

I am fairly new. How I did it was:

Download GIMP (there are many other suitable packages available), but this is free.

Import your Sprite with an opaque transparent part and hmmm.....

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Answer by SuryaEU · Aug 25, 2017 at 10:02 PM

You could use a polygon collider and edit it manually so the transparent part is not triggering. (if your animation is not modifying too much the shape of your image)

I don't know about automating it for lot of assets though (but I would be interested ! )

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