JNR
laCollider.h
1 /*
2 
3 Jump'n'Run Engine
4 http://www.atanaslaskov.com/jnr/
5 
6 BSD LICENSE
7 Copyright (c) 2007-2013, Atanas Laskov
8 All rights reserved.
9 
10 Redistribution and use in source and binary forms, with or without
11 modification, are permitted provided that the following conditions are met:
12 1. Redistributions of source code must retain the above copyright notice,
13 this list of conditions and the following disclaimer.
14 2. Redistributions in binary form must reproduce the above copyright notice,
15 this list of conditions and the following disclaimer in the documentation
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17 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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20 DISCLAIMED. IN NO EVENT SHALL ATANAS LASKOV BE LIABLE FOR ANY
21 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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25 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
26 SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 
28 */
30 
31 
40 
42 {
43 public:
44 
45  //Find the distance and intersection point between a moving line and a static line
46  static inline M_BOOL intersection(const laLine2 &lnMovement, const laLine2 &lnCollision,
47  double *pDistance, laPoint2 *pIntersection);
48 
49  //Project the movement a vector (velocity) on a line
50  static inline void response(const laPoint2 &position, const laPoint2 &vector, const laLine2 &lnCollisionCauser,
51  laPoint2* pModifiedVector);
52 
53 public:
54 
55  //Collision detection between a single line and a list of collision domains
56  static void collideLineWithDomain(const laLine2 &line, laCollisionScenario *pScenario,
57  int nIterations=3, M_BOOL bResponse=M_FALSE);
58 
59  //Collision detection between multiple lines and a list of collision domains
60  static void collideLinesWithDomain(laLine2* arLines, unsigned nCount, laCollisionScenario *pScenario,
61  int nIterations=3, M_BOOL bResponse=M_TRUE);
62 
63  //Collision detection between a single point and a list of collision domains
64  static void collidePointWithDomain(laCollisionScenario *pScenario,
65  int nIterations=2, M_BOOL bResponse=M_FALSE);
66 
67  //Collision detection between multiple points and a list of collision domains
68  static void collidePointsWithDomain(laPoint2* arPoint, unsigned nCount, laCollisionScenario *pScenario,
69  int nIterations=2);
70 };
2D Point
Definition: laPoint_novec.h:41
Collision Detection and Response.
Definition: laCollider.h:41
2D line segment
Definition: laLine2.h:40