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Question by Pillowseller · Oct 30, 2013 at 11:35 AM · collisionphysicsraycastcolliderbullet

Particular collider not working properly...

Hi, I'm working on FPS and currently making raycast bullet which hits against colliders. This is working, but now I found colliders on my enemy character is doing something wrong.

alt text

This is my enemy character. Those colliders were added by "Create Ragdoll" and I manually adjusted a bit. It's not very precise but colliders seem reasonable...

alt text

...but this is what happened. My bullet ignores its torso colliders (the white lines are tracers left by my bullets). It's the same for other parts on this model. I have to emphasize that:

  1. My bullets perfectly works fine with other colliders, such as added cube/sphere objects or the terrain.

  2. Weirdly, my bullets SOMETIMES hit. So this cannot be a mistake of layermasking or something.

  3. Making those collider much bigger actually helped bullets to hit, but still they seemed smaller than their visual representations.

It seems like those colliders are way smaller than it looks or in wrong position. When I dropped a cube on this model's head, it collided, but the cube made it way into his head and landed somewhere about half the radius of the head's sphere collider. This degree of inaccuracy is not acceptable!

Can anyone explain what's going on and what can be done to make things work, please?

ws000075.jpg (28.4 kB)
ws000074.jpg (29.3 kB)
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avatar image meat5000 · Oct 30, 2013 at 11:37 AM 0
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Are you handling this in FixedUpdate?

avatar image Pillowseller · Oct 31, 2013 at 12:19 AM 0
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Currently, my bullet uses Update() since it uses raycast for collision check, but I tried FixedUpdate anyway but saw no difference.

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Answer by Pillowseller · Oct 31, 2013 at 10:27 AM

Sorry, I kind of solved this. I turned "Is Kinematic" on for each joints and now they works as they look. I still don't know why other non-kinematic objects worked fine and I can only guess that maybe this had to do something with that this character was animating.

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avatar image meat5000 · Oct 31, 2013 at 02:07 PM 0
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Accept your answer :)

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