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| 1 /******************************************************************************* | 1 /******************************************************************************* |
| 2 * Copyright (c) 2015, Daniel Murphy, Google | 2 * Copyright (c) 2015, Daniel Murphy, Google |
| 3 * All rights reserved. | 3 * All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without modificati
on, | 5 * Redistribution and use in source and binary forms, with or without modificati
on, |
| 6 * are permitted provided that the following conditions are met: | 6 * are permitted provided that the following conditions are met: |
| 7 * * Redistributions of source code must retain the above copyright notice, | 7 * * Redistributions of source code must retain the above copyright notice, |
| 8 * this list of conditions and the following disclaimer. | 8 * this list of conditions and the following disclaimer. |
| 9 * * Redistributions in binary form must reproduce the above copyright notice, | 9 * * Redistributions in binary form must reproduce the above copyright notice, |
| 10 * this list of conditions and the following disclaimer in the documentation | 10 * this list of conditions and the following disclaimer in the documentation |
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| 177 * | 177 * |
| 178 * @return | 178 * @return |
| 179 */ | 179 */ |
| 180 Fixture get fixtureB => _fixtureB; | 180 Fixture get fixtureB => _fixtureB; |
| 181 | 181 |
| 182 int getChildIndexB() { | 182 int getChildIndexB() { |
| 183 return _indexB; | 183 return _indexB; |
| 184 } | 184 } |
| 185 | 185 |
| 186 void resetFriction() { | 186 void resetFriction() { |
| 187 _friction = | 187 _friction = Contact.mixFriction(_fixtureA._friction, _fixtureB._friction); |
| 188 Contact.mixFriction(_fixtureA._friction, _fixtureB._friction); | |
| 189 } | 188 } |
| 190 | 189 |
| 191 void resetRestitution() { | 190 void resetRestitution() { |
| 192 _restitution = Contact.mixRestitution( | 191 _restitution = |
| 193 _fixtureA._restitution, _fixtureB._restitution); | 192 Contact.mixRestitution(_fixtureA._restitution, _fixtureB._restitution); |
| 194 } | 193 } |
| 195 | 194 |
| 196 void evaluate(Manifold manifold, Transform xfA, Transform xfB); | 195 void evaluate(Manifold manifold, Transform xfA, Transform xfB); |
| 197 | 196 |
| 198 /** | 197 /** |
| 199 * Flag this contact for filtering. Filtering will occur the next time step. | 198 * Flag this contact for filtering. Filtering will occur the next time step. |
| 200 */ | 199 */ |
| 201 void flagForFiltering() { | 200 void flagForFiltering() { |
| 202 _flags |= FILTER_FLAG; | 201 _flags |= FILTER_FLAG; |
| 203 } | 202 } |
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| 303 * example, a superball bounces on anything. | 302 * example, a superball bounces on anything. |
| 304 * | 303 * |
| 305 * @param restitution1 | 304 * @param restitution1 |
| 306 * @param restitution2 | 305 * @param restitution2 |
| 307 * @return | 306 * @return |
| 308 */ | 307 */ |
| 309 static double mixRestitution(double restitution1, double restitution2) { | 308 static double mixRestitution(double restitution1, double restitution2) { |
| 310 return restitution1 > restitution2 ? restitution1 : restitution2; | 309 return restitution1 > restitution2 ? restitution1 : restitution2; |
| 311 } | 310 } |
| 312 } | 311 } |
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