mirror of https://github.com/axmolengine/axmol.git
37 lines
1.5 KiB
C
37 lines
1.5 KiB
C
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/* Copyright (c) 2007 Scott Lembcke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "chipmunk_private.h"
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cpVect
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cpBBWrapVect(const cpBB bb, const cpVect v)
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{
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cpFloat ix = cpfabs(bb.r - bb.l);
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cpFloat modx = cpfmod(v.x - bb.l, ix);
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cpFloat x = (modx > 0.0f) ? modx : modx + ix;
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cpFloat iy = cpfabs(bb.t - bb.b);
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cpFloat mody = cpfmod(v.y - bb.b, iy);
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cpFloat y = (mody > 0.0f) ? mody : mody + iy;
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return cpv(x + bb.l, y + bb.b);
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}
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