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Question by JanJuly · Sep 27, 2016 at 10:32 AM · c#collisioncollider3dparent-child

How to let a object dodge a collision?

Hey! I really tried hard but don't know how to set this up. In my game you're playing a servant who's holding a serving tray, this serving tray is a child of the first-person-controller. Now I want to make everything visually beautiful and this is where I'm stuck. The FP-Controller has a capsule collider and collides with other objects correctly, but its serving tray (child) still goes through the objects (it has a box collider but it still depends on the parents movement). So my solution or idea was:

  1. Adding rays to the serving tray, to detect if it's about to collide.

  2. then setting the max distance of the serving tray to the other colliding object. So let's say the distance to the other object has to be > 1.

  3. Then specifying a range where it's allowed to move itself in

Then the result should be: As soon as the collision distance is < 1, it will move away from the collision to keep the distance of 1. If the distance is > 1, it will go back to its original position.

Just to illustrate: alt text

And here the game so far: https://www.youtube.com/watch?v=-mgii6HsjDo

Also an other problem is that the back and forth movement of the serving tray has to move smoothly, so probably for that a lerp function should be used, which makes it even harder.

Any other ideas how to solve this?

untitled-1.jpg (71.3 kB)
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