Package org.jbox2d.callbacks
Interface RayCastCallback
- All Known Implementing Classes:
EdgeShapesCallback
,RayCastAnyCallback
,RayCastClosestCallback
,RayCastMultipleCallback
public interface RayCastCallback
Callback class for ray casts.
See World.rayCast
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Method Summary
Modifier and TypeMethodDescriptionfloat
reportFixture
(Fixture fixture, Vec2 point, Vec2 normal, float fraction) Called for each fixture found in the query.
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Method Details
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reportFixture
Called for each fixture found in the query. You control how the ray cast proceeds by returning a float: return -1: ignore this fixture and continue return 0: terminate the ray cast return fraction: clip the ray to this point return 1: don't clip the ray and continue- Parameters:
fixture
- the fixture hit by the raypoint
- the point of initial intersectionnormal
- the normal vector at the point of intersectionfraction
-fixture
-point
-normal
-- Returns:
- -1 to filter, 0 to terminate, fraction to clip the ray for closest hit, 1 to continue
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