/usr/include/chipmunk/cpPolyShape.h is in chipmunk-dev 6.1.5-1.
This file is owned by root:root, with mode 0o644.
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*
* 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
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* SOFTWARE.
*/
/// @defgroup cpPolyShape cpPolyShape
/// @{
/// @private
typedef struct cpSplittingPlane {
cpVect n;
cpFloat d;
} cpSplittingPlane;
/// @private
typedef struct cpPolyShape {
cpShape shape;
int numVerts;
cpVect *verts, *tVerts;
cpSplittingPlane *planes, *tPlanes;
} cpPolyShape;
/// Allocate a polygon shape.
cpPolyShape* cpPolyShapeAlloc(void);
/// Initialize a polygon shape.
/// A convex hull will be created from the vertexes.
cpPolyShape* cpPolyShapeInit(cpPolyShape *poly, cpBody *body, int numVerts, const cpVect *verts, cpVect offset);
/// Allocate and initialize a polygon shape.
/// A convex hull will be created from the vertexes.
cpShape* cpPolyShapeNew(cpBody *body, int numVerts, cpVect *verts, cpVect offset);
/// Initialize a box shaped polygon shape.
cpPolyShape* cpBoxShapeInit(cpPolyShape *poly, cpBody *body, cpFloat width, cpFloat height);
/// Initialize an offset box shaped polygon shape.
cpPolyShape* cpBoxShapeInit2(cpPolyShape *poly, cpBody *body, cpBB box);
/// Allocate and initialize a box shaped polygon shape.
cpShape* cpBoxShapeNew(cpBody *body, cpFloat width, cpFloat height);
/// Allocate and initialize an offset box shaped polygon shape.
cpShape* cpBoxShapeNew2(cpBody *body, cpBB box);
/// Check that a set of vertexes is convex and has a clockwise winding.
/// NOTE: Due to floating point precision issues, hulls created with cpQuickHull() are not guaranteed to validate!
cpBool cpPolyValidate(const cpVect *verts, const int numVerts);
/// Get the number of verts in a polygon shape.
int cpPolyShapeGetNumVerts(cpShape *shape);
/// Get the @c ith vertex of a polygon shape.
cpVect cpPolyShapeGetVert(cpShape *shape, int idx);
/// @}
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