From 60cbbdec07ab7a5636eac5b3c024ae44e937f4d4 Mon Sep 17 00:00:00 2001 From: chai Date: Mon, 13 Dec 2021 00:07:19 +0800 Subject: +init --- .../Box2D/include/box2d/b2_time_of_impact.h | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Client/ThirdParty/Box2D/include/box2d/b2_time_of_impact.h (limited to 'Client/ThirdParty/Box2D/include/box2d/b2_time_of_impact.h') diff --git a/Client/ThirdParty/Box2D/include/box2d/b2_time_of_impact.h b/Client/ThirdParty/Box2D/include/box2d/b2_time_of_impact.h new file mode 100644 index 0000000..04d4626 --- /dev/null +++ b/Client/ThirdParty/Box2D/include/box2d/b2_time_of_impact.h @@ -0,0 +1,63 @@ +// MIT License + +// Copyright (c) 2019 Erin Catto + +// Permission is hereby granted, free of charge, to any person obtaining a copy +// of this software and associated documentation files (the "Software"), to deal +// in the Software without restriction, including without limitation the rights +// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +// copies of the Software, and to permit persons to whom the Software is +// furnished to do so, subject to the following conditions: + +// The above copyright notice and this permission notice shall be included in all +// copies or substantial portions of the Software. + +// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +// SOFTWARE. + +#ifndef B2_TIME_OF_IMPACT_H +#define B2_TIME_OF_IMPACT_H + +#include "b2_api.h" +#include "b2_math.h" +#include "b2_distance.h" + +/// Input parameters for b2TimeOfImpact +struct B2_API b2TOIInput +{ + b2DistanceProxy proxyA; + b2DistanceProxy proxyB; + b2Sweep sweepA; + b2Sweep sweepB; + float tMax; // defines sweep interval [0, tMax] +}; + +/// Output parameters for b2TimeOfImpact. +struct B2_API b2TOIOutput +{ + enum State + { + e_unknown, + e_failed, + e_overlapped, + e_touching, + e_separated + }; + + State state; + float 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. +B2_API void b2TimeOfImpact(b2TOIOutput* output, const b2TOIInput* input); + +#endif -- cgit v1.1-26-g67d0