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  Worms-style damage to objects  (Read 657 times)
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Offline ak-73

Innocent Bystander

« Posted 2011-12-09 18:26:18 »

Hi, first post here!

We would like to be able to do damage to terrain (objects) Worms-style in our game. We do have implemented pixel-perfect collision so far, now my question is: what is the best/most efficient way to make the "hit" object pixels become transparent, keeping in mind that different objects might look the same initially (they share the same image/texture).

We're using lwjgl + slick, I haven't seen a way to load the same image into seperate textures so far, so it's either doing that from scratch or duplicating texture on initial collision to avoid applying the damage to all objects sharing the same texture.

Would you be so kind to give me some pointers? Thanks.

Offline sproingie

JGO Kernel

Medals: 202

« Reply #1 - Posted 2011-12-09 20:44:55 »

Stencil buffer immediately comes to mind.  Render your explosions to that, render terrain using it.  The blown-up terrain is then not only transparent, it isn't really there at all (i.e. it'll be whatever background you had)
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