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[added] experimental intersect.bounce_off
(needs to be verified)
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@ -418,4 +418,15 @@ function intersect.point_in_poly(point, poly)
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return wn ~= 0
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return wn ~= 0
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end
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end
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--resolution helpers
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--bounce a velocity off of a normal (modifying velocity)
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local _bounce_temp = vec2()
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function intersect.bounce_off(velocity, normal)
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_bounce_temp:vset(velocity)
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velocity:vreji(normal)
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velocity:vsubi(_bounce_temp:vsubi(velocity))
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return velocity
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end
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return intersect
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return intersect
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