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| 1 /* | 1 /* |
| 2 * Copyright (C) 2010 Google Inc. All rights reserved. | 2 * Copyright (C) 2010 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions | 5 * modification, are permitted provided that the following conditions |
| 6 * are met: | 6 * are met: |
| 7 * | 7 * |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 20 matching lines...) Expand all Loading... |
| 31 #if ENABLE(WEB_AUDIO) | 31 #if ENABLE(WEB_AUDIO) |
| 32 | 32 |
| 33 #include "platform/audio/Distance.h" | 33 #include "platform/audio/Distance.h" |
| 34 #include "wtf/Assertions.h" | 34 #include "wtf/Assertions.h" |
| 35 | 35 |
| 36 #include <math.h> | 36 #include <math.h> |
| 37 #include <algorithm> | 37 #include <algorithm> |
| 38 | 38 |
| 39 using namespace std; | 39 using namespace std; |
| 40 | 40 |
| 41 namespace WebCore { | 41 namespace blink { |
| 42 | 42 |
| 43 DistanceEffect::DistanceEffect() | 43 DistanceEffect::DistanceEffect() |
| 44 : m_model(ModelInverse) | 44 : m_model(ModelInverse) |
| 45 , m_isClamped(true) | 45 , m_isClamped(true) |
| 46 , m_refDistance(1.0) | 46 , m_refDistance(1.0) |
| 47 , m_maxDistance(10000.0) | 47 , m_maxDistance(10000.0) |
| 48 , m_rolloffFactor(1.0) | 48 , m_rolloffFactor(1.0) |
| 49 { | 49 { |
| 50 } | 50 } |
| 51 | 51 |
| (...skipping 28 matching lines...) Expand all Loading... |
| 80 double DistanceEffect::inverseGain(double distance) | 80 double DistanceEffect::inverseGain(double distance) |
| 81 { | 81 { |
| 82 return m_refDistance / (m_refDistance + m_rolloffFactor * (distance - m_refD
istance)); | 82 return m_refDistance / (m_refDistance + m_rolloffFactor * (distance - m_refD
istance)); |
| 83 } | 83 } |
| 84 | 84 |
| 85 double DistanceEffect::exponentialGain(double distance) | 85 double DistanceEffect::exponentialGain(double distance) |
| 86 { | 86 { |
| 87 return pow(distance / m_refDistance, -m_rolloffFactor); | 87 return pow(distance / m_refDistance, -m_rolloffFactor); |
| 88 } | 88 } |
| 89 | 89 |
| 90 } // namespace WebCore | 90 } // namespace blink |
| 91 | 91 |
| 92 #endif // ENABLE(WEB_AUDIO) | 92 #endif // ENABLE(WEB_AUDIO) |
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