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-/*
-* Copyright (c) 2006-2009 Erin Catto http://www.box2d.org
-*
-* This software is provided 'as-is', without any express or implied
-* warranty. In no event will the authors be held liable for any damages
-* arising from the use of this software.
-* Permission is granted to anyone to use this software for any purpose,
-* including commercial applications, and to alter it and redistribute it
-* freely, subject to the following restrictions:
-* 1. The origin of this software must not be misrepresented; you must not
-* claim that you wrote the original software. If you use this software
-* in a product, an acknowledgment in the product documentation would be
-* appreciated but is not required.
-* 2. Altered source versions must be plainly marked as such, and must not be
-* misrepresented as being the original software.
-* 3. This notice may not be removed or altered from any source distribution.
-*/
-
-#ifndef B2_TIME_OF_IMPACT_H
-#define B2_TIME_OF_IMPACT_H
-
-#include "Box2D/Common/b2Math.h"
-#include "Box2D/Collision/b2Distance.h"
-
-/// Input parameters for b2TimeOfImpact
-struct b2TOIInput
-{
- b2DistanceProxy proxyA;
- b2DistanceProxy proxyB;
- b2Sweep sweepA;
- b2Sweep sweepB;
- float32 tMax; // defines sweep interval [0, tMax]
-};
-
-/// Output parameters for b2TimeOfImpact.
-struct b2TOIOutput
-{
- enum State
- {
- e_unknown,
- e_failed,
- e_overlapped,
- e_touching,
- e_separated
- };
-
- State state;
- float32 t;
-};
-
-/// Compute the upper bound on time before two shapes penetrate. Time is represented as
-/// a fraction between [0,tMax]. This uses a swept separating axis and may miss some intermediate,
-/// non-tunneling collisions. If you change the time interval, you should call this function
-/// again.
-/// Note: use b2Distance to compute the contact point and normal at the time of impact.
-void b2TimeOfImpact(b2TOIOutput* output, const b2TOIInput* input);
-
-#endif