chipmunk_unsafe.h
00001 /* Copyright (c) 2007 Scott Lembcke 00002 * 00003 * Permission is hereby granted, free of charge, to any person obtaining a copy 00004 * of this software and associated documentation files (the "Software"), to deal 00005 * in the Software without restriction, including without limitation the rights 00006 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 00007 * copies of the Software, and to permit persons to whom the Software is 00008 * furnished to do so, subject to the following conditions: 00009 * 00010 * The above copyright notice and this permission notice shall be included in 00011 * all copies or substantial portions of the Software. 00012 * 00013 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 00014 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 00015 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 00016 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 00017 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 00018 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 00019 * SOFTWARE. 00020 */ 00021 00022 /* This header defines a number of "unsafe" operations on Chipmunk objects. 00023 * In this case "unsafe" is referring to operations which may reduce the 00024 * physical accuracy or numerical stability of the simulation, but will not 00025 * cause crashes. 00026 * 00027 * The prime example is mutating collision shapes. Chipmunk does not support 00028 * this directly. Mutating shapes using this API will caused objects in contact 00029 * to be pushed apart using Chipmunk's overlap solver, but not using real 00030 * persistent velocities. Probably not what you meant, but perhaps close enough. 00031 */ 00032 00038 00039 #ifndef CHIPMUNK_UNSAFE_HEADER 00040 #define CHIPMUNK_UNSAFE_HEADER 00041 00042 #ifdef __cplusplus 00043 extern "C" { 00044 #endif 00045 00047 void cpCircleShapeSetRadius(cpShape *shape, cpFloat radius); 00049 void cpCircleShapeSetOffset(cpShape *shape, cpVect offset); 00050 00052 void cpSegmentShapeSetEndpoints(cpShape *shape, cpVect a, cpVect b); 00054 void cpSegmentShapeSetRadius(cpShape *shape, cpFloat radius); 00055 00057 void cpPolyShapeSetVerts(cpShape *shape, int numVerts, cpVect *verts, cpVect offset); 00058 00059 #ifdef __cplusplus 00060 } 00061 #endif 00062 #endif 00063
