Legacy Documentation: Version 2018.1 (Go to current version)
Collider 2D
Box Collider 2D
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Circle Collider 2D

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The Circle Collider 2D class is a collider for use with 2D physics. The collider’s shape is a circle with a defined position and radius in the local coordinate space of a Sprite.

Property: Function:
Material A physics material that determines properties of collisions, such as friction and bounce.
Is Trigger Check this if you want the Circle Collider 2D to behave as a trigger.
Used by Effector Check this if you want the Circle Collider 2D to be used by an attached Effector 2D.
Offset The local offset of the Circle Collider 2D geometry.
Radius Radius of the circle in local space units.

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Collider 2D
Box Collider 2D