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Question by unity-user · Dec 16, 2013 at 11:59 PM · 2d rotation

2D RIGIDBODY ALWAYS FIXED ANGLE

Hi, i just downloaded the new 4.3 version on UNITY 3d and I started to try some 2d stuffs. I made a circle with 2D circle collision and a tile with 2d box collision. The problem is that when i add 2d rigidbody onto the circle and i started the game the cirle didn't routate and didn't fell off the box. Is there something i must do ? alt text

t_0.png (15.4 kB)
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avatar image Spinnernicholas · Dec 17, 2013 at 01:07 AM 0
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First, bad title. A better title would be, 2D RigidBody won't roll. Second, there is no force applied to the circle in the picture that will make it roll. Drop another object on the circle, or better yet, drop the circle on a slanted surface.

avatar image unity-user · Dec 17, 2013 at 10:56 AM 0
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on the picture the object fell off about 1 meter distance.

avatar image Spinnernicholas · Dec 17, 2013 at 04:15 PM 0
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So the problem is that the object(sprite) didn't roll?

avatar image ziv03 · Dec 17, 2013 at 04:19 PM 0
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the problem is the ball won't roll until you'll apply some force on the x-axis. In this position, with no outside forces, the ball isn't supposed to "roll".

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