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  3D bounding box just not working  (Read 1144 times)
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Offline DazKins
« Posted 2012-09-24 16:37:38 »

im trying to detect a collision between two cubes and it just doesn't seem to work

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public class collision {
   public static boolean cubeCollision(cube c1,cube c2){
      return ((c1.x < c2.x+c2.w) && (c1.x+c1.w > c2.x) &&
            (c1.z < c2.z+c2.d) && (c1.z+c1.d > c2.z) &&
            (c1.y < c2.y+c2.h) && (c1.y+c1.h > c2.y));
   }
}


EDIT:

I got this working now, the issue was that i wanst drawing the box the same way as i was detecting collision


EDIT:

No it's still not working, the box detects collision when you are above it not inside of it. The x and z axis are fine but the y axis just doesnt wanna work :L


DazKins

Check out my Dev Blog: http://dazkins.tumblr.com
Offline DazKins
« Reply #1 - Posted 2012-09-27 18:02:57 »

Just adding this reply to put this back at the top of the section of the forums Tongue

DazKins

Check out my Dev Blog: http://dazkins.tumblr.com
Offline matheus23

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« Reply #2 - Posted 2012-09-27 18:04:19 »

*hehem...*
http://www.java-gaming.org/topics/basic-collision-detection/27326/view.html

I'm pretty sure this helps Smiley

EDIT:
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public static boolean testAABBAABB(final AABB box1, final AABB box2) {
   if (Math.abs(box1.center.x - box2.center.x) > (box1.r[0] + box2.r[0])) return false;
   if (Math.abs(box1.center.y - box2.center.y) > (box1.r[1] + box2.r[1])) return false;
   if (Math.abs(box1.center.z - box2.center.z) > (box1.r[2] + box2.r[2])) return false;
   return true;
}

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Offline DazKins
« Reply #3 - Posted 2012-09-27 18:32:53 »

collision still seems to be off, it feels like the collision detection for the cube has been pushed away from the box a bit

EDIT:

just seems to be the y axis thats off :L

DazKins

Check out my Dev Blog: http://dazkins.tumblr.com
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