Removed in LÖVE 0.8.0
This function is not supported in that and later versions.
Sets the restitution of the shape. Restitution indicates the "bounciness" of the shape. High restitution can be used to model stuff like a rubber ball, while low restitution can be used for "dull" objects, like a bag of sand.
Shape:setRestitution( restitution )
number restitution
Nothing.
A shape with a restitution of 0 will still bounce a little if the shape it collides with has a restitution higher than 0.
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Licensed under the GNU Free Documentation License, Version 1.3.
https://love2d.org/wiki/Shape:setRestitution