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Diffstat (limited to '')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CParticleSphereEmitter.cpp | 350 |
1 files changed, 175 insertions, 175 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CParticleSphereEmitter.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CParticleSphereEmitter.cpp index 42e4e52..1bf358e 100644 --- a/libraries/irrlicht-1.8/source/Irrlicht/CParticleSphereEmitter.cpp +++ b/libraries/irrlicht-1.8/source/Irrlicht/CParticleSphereEmitter.cpp | |||
@@ -1,175 +1,175 @@ | |||
1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt | 1 | // Copyright (C) 2002-2012 Nikolaus Gebhardt |
2 | // This file is part of the "Irrlicht Engine". | 2 | // This file is part of the "Irrlicht Engine". |
3 | // For conditions of distribution and use, see copyright notice in irrlicht.h | 3 | // For conditions of distribution and use, see copyright notice in irrlicht.h |
4 | 4 | ||
5 | #include "IrrCompileConfig.h" | 5 | #include "IrrCompileConfig.h" |
6 | #include "CParticleSphereEmitter.h" | 6 | #include "CParticleSphereEmitter.h" |
7 | #include "os.h" | 7 | #include "os.h" |
8 | #include "IAttributes.h" | 8 | #include "IAttributes.h" |
9 | 9 | ||
10 | namespace irr | 10 | namespace irr |
11 | { | 11 | { |
12 | namespace scene | 12 | namespace scene |
13 | { | 13 | { |
14 | 14 | ||
15 | //! constructor | 15 | //! constructor |
16 | CParticleSphereEmitter::CParticleSphereEmitter( | 16 | CParticleSphereEmitter::CParticleSphereEmitter( |
17 | const core::vector3df& center, f32 radius, | 17 | const core::vector3df& center, f32 radius, |
18 | const core::vector3df& direction, u32 minParticlesPerSecond, | 18 | const core::vector3df& direction, u32 minParticlesPerSecond, |
19 | u32 maxParticlesPerSecond, const video::SColor& minStartColor, | 19 | u32 maxParticlesPerSecond, const video::SColor& minStartColor, |
20 | const video::SColor& maxStartColor, u32 lifeTimeMin, u32 lifeTimeMax, | 20 | const video::SColor& maxStartColor, u32 lifeTimeMin, u32 lifeTimeMax, |
21 | s32 maxAngleDegrees, | 21 | s32 maxAngleDegrees, |
22 | const core::dimension2df& minStartSize, | 22 | const core::dimension2df& minStartSize, |
23 | const core::dimension2df& maxStartSize ) | 23 | const core::dimension2df& maxStartSize ) |
24 | : Center(center), Radius(radius), Direction(direction), | 24 | : Center(center), Radius(radius), Direction(direction), |
25 | MinStartSize(minStartSize), MaxStartSize(maxStartSize), | 25 | MinStartSize(minStartSize), MaxStartSize(maxStartSize), |
26 | MinParticlesPerSecond(minParticlesPerSecond), | 26 | MinParticlesPerSecond(minParticlesPerSecond), |
27 | MaxParticlesPerSecond(maxParticlesPerSecond), | 27 | MaxParticlesPerSecond(maxParticlesPerSecond), |
28 | MinStartColor(minStartColor), MaxStartColor(maxStartColor), | 28 | MinStartColor(minStartColor), MaxStartColor(maxStartColor), |
29 | MinLifeTime(lifeTimeMin), MaxLifeTime(lifeTimeMax), | 29 | MinLifeTime(lifeTimeMin), MaxLifeTime(lifeTimeMax), |
30 | Time(0), Emitted(0), MaxAngleDegrees(maxAngleDegrees) | 30 | Time(0), Emitted(0), MaxAngleDegrees(maxAngleDegrees) |
31 | { | 31 | { |
32 | #ifdef _DEBUG | 32 | #ifdef _DEBUG |
33 | setDebugName("CParticleSphereEmitter"); | 33 | setDebugName("CParticleSphereEmitter"); |
34 | #endif | 34 | #endif |
35 | 35 | ||
36 | } | 36 | } |
37 | 37 | ||
38 | 38 | ||
39 | //! Prepares an array with new particles to emitt into the system | 39 | //! Prepares an array with new particles to emitt into the system |
40 | //! and returns how much new particles there are. | 40 | //! and returns how much new particles there are. |
41 | s32 CParticleSphereEmitter::emitt(u32 now, u32 timeSinceLastCall, SParticle*& outArray) | 41 | s32 CParticleSphereEmitter::emitt(u32 now, u32 timeSinceLastCall, SParticle*& outArray) |
42 | { | 42 | { |
43 | Time += timeSinceLastCall; | 43 | Time += timeSinceLastCall; |
44 | 44 | ||
45 | const u32 pps = (MaxParticlesPerSecond - MinParticlesPerSecond); | 45 | const u32 pps = (MaxParticlesPerSecond - MinParticlesPerSecond); |
46 | const f32 perSecond = pps ? ((f32)MinParticlesPerSecond + os::Randomizer::frand() * pps) : MinParticlesPerSecond; | 46 | const f32 perSecond = pps ? ((f32)MinParticlesPerSecond + os::Randomizer::frand() * pps) : MinParticlesPerSecond; |
47 | const f32 everyWhatMillisecond = 1000.0f / perSecond; | 47 | const f32 everyWhatMillisecond = 1000.0f / perSecond; |
48 | 48 | ||
49 | if(Time > everyWhatMillisecond) | 49 | if(Time > everyWhatMillisecond) |
50 | { | 50 | { |
51 | Particles.set_used(0); | 51 | Particles.set_used(0); |
52 | u32 amount = (u32)((Time / everyWhatMillisecond) + 0.5f); | 52 | u32 amount = (u32)((Time / everyWhatMillisecond) + 0.5f); |
53 | Time = 0; | 53 | Time = 0; |
54 | SParticle p; | 54 | SParticle p; |
55 | 55 | ||
56 | if(amount > MaxParticlesPerSecond*2) | 56 | if(amount > MaxParticlesPerSecond*2) |
57 | amount = MaxParticlesPerSecond * 2; | 57 | amount = MaxParticlesPerSecond * 2; |
58 | 58 | ||
59 | for(u32 i=0; i<amount; ++i) | 59 | for(u32 i=0; i<amount; ++i) |
60 | { | 60 | { |
61 | // Random distance from center | 61 | // Random distance from center |
62 | const f32 distance = os::Randomizer::frand() * Radius; | 62 | const f32 distance = os::Randomizer::frand() * Radius; |
63 | 63 | ||
64 | // Random direction from center | 64 | // Random direction from center |
65 | p.pos.set(Center + distance); | 65 | p.pos.set(Center + distance); |
66 | p.pos.rotateXYBy(os::Randomizer::frand() * 360.f, Center ); | 66 | p.pos.rotateXYBy(os::Randomizer::frand() * 360.f, Center ); |
67 | p.pos.rotateYZBy(os::Randomizer::frand() * 360.f, Center ); | 67 | p.pos.rotateYZBy(os::Randomizer::frand() * 360.f, Center ); |
68 | p.pos.rotateXZBy(os::Randomizer::frand() * 360.f, Center ); | 68 | p.pos.rotateXZBy(os::Randomizer::frand() * 360.f, Center ); |
69 | 69 | ||
70 | p.startTime = now; | 70 | p.startTime = now; |
71 | p.vector = Direction; | 71 | p.vector = Direction; |
72 | 72 | ||
73 | if(MaxAngleDegrees) | 73 | if(MaxAngleDegrees) |
74 | { | 74 | { |
75 | core::vector3df tgt = Direction; | 75 | core::vector3df tgt = Direction; |
76 | tgt.rotateXYBy(os::Randomizer::frand() * MaxAngleDegrees); | 76 | tgt.rotateXYBy(os::Randomizer::frand() * MaxAngleDegrees); |
77 | tgt.rotateYZBy(os::Randomizer::frand() * MaxAngleDegrees); | 77 | tgt.rotateYZBy(os::Randomizer::frand() * MaxAngleDegrees); |
78 | tgt.rotateXZBy(os::Randomizer::frand() * MaxAngleDegrees); | 78 | tgt.rotateXZBy(os::Randomizer::frand() * MaxAngleDegrees); |
79 | p.vector = tgt; | 79 | p.vector = tgt; |
80 | } | 80 | } |
81 | 81 | ||
82 | p.endTime = now + MinLifeTime; | 82 | p.endTime = now + MinLifeTime; |
83 | if (MaxLifeTime != MinLifeTime) | 83 | if (MaxLifeTime != MinLifeTime) |
84 | p.endTime += os::Randomizer::rand() % (MaxLifeTime - MinLifeTime); | 84 | p.endTime += os::Randomizer::rand() % (MaxLifeTime - MinLifeTime); |
85 | 85 | ||
86 | if (MinStartColor==MaxStartColor) | 86 | if (MinStartColor==MaxStartColor) |
87 | p.color=MinStartColor; | 87 | p.color=MinStartColor; |
88 | else | 88 | else |
89 | p.color = MinStartColor.getInterpolated(MaxStartColor, os::Randomizer::frand()); | 89 | p.color = MinStartColor.getInterpolated(MaxStartColor, os::Randomizer::frand()); |
90 | 90 | ||
91 | p.startColor = p.color; | 91 | p.startColor = p.color; |
92 | p.startVector = p.vector; | 92 | p.startVector = p.vector; |
93 | 93 | ||
94 | if (MinStartSize==MaxStartSize) | 94 | if (MinStartSize==MaxStartSize) |
95 | p.startSize = MinStartSize; | 95 | p.startSize = MinStartSize; |
96 | else | 96 | else |
97 | p.startSize = MinStartSize.getInterpolated(MaxStartSize, os::Randomizer::frand()); | 97 | p.startSize = MinStartSize.getInterpolated(MaxStartSize, os::Randomizer::frand()); |
98 | p.size = p.startSize; | 98 | p.size = p.startSize; |
99 | 99 | ||
100 | Particles.push_back(p); | 100 | Particles.push_back(p); |
101 | } | 101 | } |
102 | 102 | ||
103 | outArray = Particles.pointer(); | 103 | outArray = Particles.pointer(); |
104 | 104 | ||
105 | return Particles.size(); | 105 | return Particles.size(); |
106 | } | 106 | } |
107 | 107 | ||
108 | return 0; | 108 | return 0; |
109 | } | 109 | } |
110 | 110 | ||
111 | //! Writes attributes of the object. | 111 | //! Writes attributes of the object. |
112 | void CParticleSphereEmitter::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const | 112 | void CParticleSphereEmitter::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const |
113 | { | 113 | { |
114 | out->addVector3d("Center", Direction); | 114 | out->addVector3d("Center", Direction); |
115 | out->addFloat("Radius", Radius); | 115 | out->addFloat("Radius", Radius); |
116 | 116 | ||
117 | out->addVector3d("Direction", Direction); | 117 | out->addVector3d("Direction", Direction); |
118 | out->addFloat("MinStartSizeWidth", MinStartSize.Width); | 118 | out->addFloat("MinStartSizeWidth", MinStartSize.Width); |
119 | out->addFloat("MinStartSizeHeight", MinStartSize.Height); | 119 | out->addFloat("MinStartSizeHeight", MinStartSize.Height); |
120 | out->addFloat("MaxStartSizeWidth", MaxStartSize.Width); | 120 | out->addFloat("MaxStartSizeWidth", MaxStartSize.Width); |
121 | out->addFloat("MaxStartSizeHeight", MaxStartSize.Height); | 121 | out->addFloat("MaxStartSizeHeight", MaxStartSize.Height); |
122 | out->addInt("MinParticlesPerSecond", MinParticlesPerSecond); | 122 | out->addInt("MinParticlesPerSecond", MinParticlesPerSecond); |
123 | out->addInt("MaxParticlesPerSecond", MaxParticlesPerSecond); | 123 | out->addInt("MaxParticlesPerSecond", MaxParticlesPerSecond); |
124 | out->addColor("MinStartColor", MinStartColor); | 124 | out->addColor("MinStartColor", MinStartColor); |
125 | out->addColor("MaxStartColor", MaxStartColor); | 125 | out->addColor("MaxStartColor", MaxStartColor); |
126 | out->addInt("MinLifeTime", MinLifeTime); | 126 | out->addInt("MinLifeTime", MinLifeTime); |
127 | out->addInt("MaxLifeTime", MaxLifeTime); | 127 | out->addInt("MaxLifeTime", MaxLifeTime); |
128 | out->addInt("MaxAngleDegrees", MaxAngleDegrees); | 128 | out->addInt("MaxAngleDegrees", MaxAngleDegrees); |
129 | } | 129 | } |
130 | 130 | ||
131 | //! Reads attributes of the object. | 131 | //! Reads attributes of the object. |
132 | void CParticleSphereEmitter::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) | 132 | void CParticleSphereEmitter::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) |
133 | { | 133 | { |
134 | Center = in->getAttributeAsVector3d("Center"); | 134 | Center = in->getAttributeAsVector3d("Center"); |
135 | Radius = in->getAttributeAsFloat("Radius"); | 135 | Radius = in->getAttributeAsFloat("Radius"); |
136 | 136 | ||
137 | Direction = in->getAttributeAsVector3d("Direction"); | 137 | Direction = in->getAttributeAsVector3d("Direction"); |
138 | if (Direction.getLength() == 0) | 138 | if (Direction.getLength() == 0) |
139 | Direction.set(0,0.01f,0); | 139 | Direction.set(0,0.01f,0); |
140 | 140 | ||
141 | int idx = -1; | 141 | int idx = -1; |
142 | idx = in->findAttribute("MinStartSizeWidth"); | 142 | idx = in->findAttribute("MinStartSizeWidth"); |
143 | if ( idx >= 0 ) | 143 | if ( idx >= 0 ) |
144 | MinStartSize.Width = in->getAttributeAsFloat(idx); | 144 | MinStartSize.Width = in->getAttributeAsFloat(idx); |
145 | idx = in->findAttribute("MinStartSizeHeight"); | 145 | idx = in->findAttribute("MinStartSizeHeight"); |
146 | if ( idx >= 0 ) | 146 | if ( idx >= 0 ) |
147 | MinStartSize.Height = in->getAttributeAsFloat(idx); | 147 | MinStartSize.Height = in->getAttributeAsFloat(idx); |
148 | idx = in->findAttribute("MaxStartSizeWidth"); | 148 | idx = in->findAttribute("MaxStartSizeWidth"); |
149 | if ( idx >= 0 ) | 149 | if ( idx >= 0 ) |
150 | MaxStartSize.Width = in->getAttributeAsFloat(idx); | 150 | MaxStartSize.Width = in->getAttributeAsFloat(idx); |
151 | idx = in->findAttribute("MaxStartSizeHeight"); | 151 | idx = in->findAttribute("MaxStartSizeHeight"); |
152 | if ( idx >= 0 ) | 152 | if ( idx >= 0 ) |
153 | MaxStartSize.Height = in->getAttributeAsFloat(idx); | 153 | MaxStartSize.Height = in->getAttributeAsFloat(idx); |
154 | MinParticlesPerSecond = in->getAttributeAsInt("MinParticlesPerSecond"); | 154 | MinParticlesPerSecond = in->getAttributeAsInt("MinParticlesPerSecond"); |
155 | MaxParticlesPerSecond = in->getAttributeAsInt("MaxParticlesPerSecond"); | 155 | MaxParticlesPerSecond = in->getAttributeAsInt("MaxParticlesPerSecond"); |
156 | 156 | ||
157 | MinParticlesPerSecond = core::max_(1u, MinParticlesPerSecond); | 157 | MinParticlesPerSecond = core::max_(1u, MinParticlesPerSecond); |
158 | MaxParticlesPerSecond = core::max_(MaxParticlesPerSecond, 1u); | 158 | MaxParticlesPerSecond = core::max_(MaxParticlesPerSecond, 1u); |
159 | MaxParticlesPerSecond = core::min_(MaxParticlesPerSecond, 200u); | 159 | MaxParticlesPerSecond = core::min_(MaxParticlesPerSecond, 200u); |
160 | MinParticlesPerSecond = core::min_(MinParticlesPerSecond, MaxParticlesPerSecond); | 160 | MinParticlesPerSecond = core::min_(MinParticlesPerSecond, MaxParticlesPerSecond); |
161 | 161 | ||
162 | MinStartColor = in->getAttributeAsColor("MinStartColor"); | 162 | MinStartColor = in->getAttributeAsColor("MinStartColor"); |
163 | MaxStartColor = in->getAttributeAsColor("MaxStartColor"); | 163 | MaxStartColor = in->getAttributeAsColor("MaxStartColor"); |
164 | MinLifeTime = in->getAttributeAsInt("MinLifeTime"); | 164 | MinLifeTime = in->getAttributeAsInt("MinLifeTime"); |
165 | MaxLifeTime = in->getAttributeAsInt("MaxLifeTime"); | 165 | MaxLifeTime = in->getAttributeAsInt("MaxLifeTime"); |
166 | MinLifeTime = core::max_(0u, MinLifeTime); | 166 | MinLifeTime = core::max_(0u, MinLifeTime); |
167 | MaxLifeTime = core::max_(MaxLifeTime, MinLifeTime); | 167 | MaxLifeTime = core::max_(MaxLifeTime, MinLifeTime); |
168 | MinLifeTime = core::min_(MinLifeTime, MaxLifeTime); | 168 | MinLifeTime = core::min_(MinLifeTime, MaxLifeTime); |
169 | 169 | ||
170 | MaxAngleDegrees = in->getAttributeAsInt("MaxAngleDegrees"); | 170 | MaxAngleDegrees = in->getAttributeAsInt("MaxAngleDegrees"); |
171 | } | 171 | } |
172 | 172 | ||
173 | } // end namespace scene | 173 | } // end namespace scene |
174 | } // end namespace irr | 174 | } // end namespace irr |
175 | 175 | ||