?? cpbb.h
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/* Copyright (c) 2007 Scott Lembcke * * 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. */ typedef struct cpBB{ cpFloat l, b, r ,t;} cpBB;static inline cpBBcpBBNew(const cpFloat l, const cpFloat b, const cpFloat r, const cpFloat t){ cpBB bb = {l, b, r, t}; return bb;}static inline intcpBBintersects(const cpBB a, const cpBB b){ return (a.l<=b.r && b.l<=a.r && a.b<=b.t && b.b<=a.t);}static inline intcpBBcontainsBB(const cpBB bb, const cpBB other){ return (bb.l < other.l && bb.r > other.r && bb.b < other.b && bb.t > other.t);}static inline intcpBBcontainsVect(const cpBB bb, const cpVect v){ return (bb.l < v.x && bb.r > v.x && bb.b < v.y && bb.t > v.y);}cpVect cpBBClampVect(const cpBB bb, const cpVect v); // clamps the vector to lie within the bboxcpVect cpBBWrapVect(const cpBB bb, const cpVect v); // wrap a vector to a bbox
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