b2RayCastCallback Class Reference

#include <b2WorldCallbacks.h>

Public Member Functions
virtual float32	ReportFixture (b2Fixture *fixture, const b2Vec2 &point, const b2Vec2 &normal, float32 fraction)=0

Detailed Description

Callback class for ray casts. See b2World::RayCast

Member Function Documentation

virtual float32 b2RayCastCallback::ReportFixture ( b2Fixture *  fixture, const b2Vec2 &  point, const b2Vec2 &  normal, float32  fraction  )

pure virtual

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 ray
point	the point of initial intersection
normal	the normal vector at the point of intersection

Returns

-1 to filter, 0 to terminate, fraction to clip the ray for closest hit, 1 to continue

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The documentation for this class was generated from the following file:

• b2WorldCallbacks.h