mirror of https://github.com/axmolengine/axmol.git
52 lines
2.0 KiB
C
52 lines
2.0 KiB
C
/*
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Copyright (c) 2011, Luke Benstead.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
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ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef RAY_2_H
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#define RAY_2_H
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#include "platform/CCPlatformMacros.h"
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#include "utility.h"
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#include "vec2.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef struct kmRay2 {
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kmVec2 start;
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kmVec2 dir;
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} kmRay2;
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CC_DLL void kmRay2Fill(kmRay2* ray, kmScalar px, kmScalar py, kmScalar vx, kmScalar vy);
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CC_DLL kmBool kmRay2IntersectLineSegment(const kmRay2* ray, const kmVec2* p1, const kmVec2* p2, kmVec2* intersection);
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CC_DLL kmBool kmRay2IntersectTriangle(const kmRay2* ray, const kmVec2* p1, const kmVec2* p2, const kmVec2* p3, kmVec2* intersection, kmVec2* normal_out);
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CC_DLL kmBool kmRay2IntersectCircle(const kmRay2* ray, const kmVec2 centre, const kmScalar radius, kmVec2* intersection);
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#ifdef __cplusplus
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}
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#endif
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#endif
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