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Diffstat (limited to '')
-rw-r--r-- | libraries/irrlicht-1.8/source/Irrlicht/CParticleRingEmitter.cpp | 354 |
1 files changed, 177 insertions, 177 deletions
diff --git a/libraries/irrlicht-1.8/source/Irrlicht/CParticleRingEmitter.cpp b/libraries/irrlicht-1.8/source/Irrlicht/CParticleRingEmitter.cpp index 5f398cd..dfe3068 100644 --- a/libraries/irrlicht-1.8/source/Irrlicht/CParticleRingEmitter.cpp +++ b/libraries/irrlicht-1.8/source/Irrlicht/CParticleRingEmitter.cpp | |||
@@ -1,177 +1,177 @@ | |||
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 "CParticleRingEmitter.h" | 5 | #include "CParticleRingEmitter.h" |
6 | #include "os.h" | 6 | #include "os.h" |
7 | #include "IAttributes.h" | 7 | #include "IAttributes.h" |
8 | 8 | ||
9 | namespace irr | 9 | namespace irr |
10 | { | 10 | { |
11 | namespace scene | 11 | namespace scene |
12 | { | 12 | { |
13 | 13 | ||
14 | //! constructor | 14 | //! constructor |
15 | CParticleRingEmitter::CParticleRingEmitter( | 15 | CParticleRingEmitter::CParticleRingEmitter( |
16 | const core::vector3df& center, f32 radius, f32 ringThickness, | 16 | const core::vector3df& center, f32 radius, f32 ringThickness, |
17 | const core::vector3df& direction, u32 minParticlesPerSecond, | 17 | const core::vector3df& direction, u32 minParticlesPerSecond, |
18 | u32 maxParticlesPerSecond, const video::SColor& minStartColor, | 18 | u32 maxParticlesPerSecond, const video::SColor& minStartColor, |
19 | const video::SColor& maxStartColor, u32 lifeTimeMin, u32 lifeTimeMax, | 19 | const video::SColor& maxStartColor, u32 lifeTimeMin, u32 lifeTimeMax, |
20 | s32 maxAngleDegrees, | 20 | s32 maxAngleDegrees, |
21 | const core::dimension2df& minStartSize, | 21 | const core::dimension2df& minStartSize, |
22 | const core::dimension2df& maxStartSize ) | 22 | const core::dimension2df& maxStartSize ) |
23 | : Center(center), Radius(radius), RingThickness(ringThickness), | 23 | : Center(center), Radius(radius), RingThickness(ringThickness), |
24 | Direction(direction), | 24 | Direction(direction), |
25 | MaxStartSize(maxStartSize), MinStartSize(minStartSize), | 25 | MaxStartSize(maxStartSize), MinStartSize(minStartSize), |
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("CParticleRingEmitter"); | 33 | setDebugName("CParticleRingEmitter"); |
34 | #endif | 34 | #endif |
35 | } | 35 | } |
36 | 36 | ||
37 | 37 | ||
38 | //! Prepares an array with new particles to emitt into the system | 38 | //! Prepares an array with new particles to emitt into the system |
39 | //! and returns how much new particles there are. | 39 | //! and returns how much new particles there are. |
40 | s32 CParticleRingEmitter::emitt(u32 now, u32 timeSinceLastCall, SParticle*& outArray) | 40 | s32 CParticleRingEmitter::emitt(u32 now, u32 timeSinceLastCall, SParticle*& outArray) |
41 | { | 41 | { |
42 | Time += timeSinceLastCall; | 42 | Time += timeSinceLastCall; |
43 | 43 | ||
44 | u32 pps = (MaxParticlesPerSecond - MinParticlesPerSecond); | 44 | u32 pps = (MaxParticlesPerSecond - MinParticlesPerSecond); |
45 | f32 perSecond = pps ? ((f32)MinParticlesPerSecond + os::Randomizer::frand() * pps) : MinParticlesPerSecond; | 45 | f32 perSecond = pps ? ((f32)MinParticlesPerSecond + os::Randomizer::frand() * pps) : MinParticlesPerSecond; |
46 | f32 everyWhatMillisecond = 1000.0f / perSecond; | 46 | f32 everyWhatMillisecond = 1000.0f / perSecond; |
47 | 47 | ||
48 | if(Time > everyWhatMillisecond) | 48 | if(Time > everyWhatMillisecond) |
49 | { | 49 | { |
50 | Particles.set_used(0); | 50 | Particles.set_used(0); |
51 | u32 amount = (u32)((Time / everyWhatMillisecond) + 0.5f); | 51 | u32 amount = (u32)((Time / everyWhatMillisecond) + 0.5f); |
52 | Time = 0; | 52 | Time = 0; |
53 | SParticle p; | 53 | SParticle p; |
54 | 54 | ||
55 | if(amount > MaxParticlesPerSecond*2) | 55 | if(amount > MaxParticlesPerSecond*2) |
56 | amount = MaxParticlesPerSecond * 2; | 56 | amount = MaxParticlesPerSecond * 2; |
57 | 57 | ||
58 | for(u32 i=0; i<amount; ++i) | 58 | for(u32 i=0; i<amount; ++i) |
59 | { | 59 | { |
60 | f32 distance = os::Randomizer::frand() * RingThickness * 0.5f; | 60 | f32 distance = os::Randomizer::frand() * RingThickness * 0.5f; |
61 | if (os::Randomizer::rand() % 2) | 61 | if (os::Randomizer::rand() % 2) |
62 | distance -= Radius; | 62 | distance -= Radius; |
63 | else | 63 | else |
64 | distance += Radius; | 64 | distance += Radius; |
65 | 65 | ||
66 | p.pos.set(Center.X + distance, Center.Y, Center.Z + distance); | 66 | p.pos.set(Center.X + distance, Center.Y, Center.Z + distance); |
67 | p.pos.rotateXZBy(os::Randomizer::frand() * 360, Center ); | 67 | p.pos.rotateXZBy(os::Randomizer::frand() * 360, Center ); |
68 | 68 | ||
69 | p.startTime = now; | 69 | p.startTime = now; |
70 | p.vector = Direction; | 70 | p.vector = Direction; |
71 | 71 | ||
72 | if(MaxAngleDegrees) | 72 | if(MaxAngleDegrees) |
73 | { | 73 | { |
74 | core::vector3df tgt = Direction; | 74 | core::vector3df tgt = Direction; |
75 | tgt.rotateXYBy(os::Randomizer::frand() * MaxAngleDegrees, Center ); | 75 | tgt.rotateXYBy(os::Randomizer::frand() * MaxAngleDegrees, Center ); |
76 | tgt.rotateYZBy(os::Randomizer::frand() * MaxAngleDegrees, Center ); | 76 | tgt.rotateYZBy(os::Randomizer::frand() * MaxAngleDegrees, Center ); |
77 | tgt.rotateXZBy(os::Randomizer::frand() * MaxAngleDegrees, Center ); | 77 | tgt.rotateXZBy(os::Randomizer::frand() * MaxAngleDegrees, Center ); |
78 | p.vector = tgt; | 78 | p.vector = tgt; |
79 | } | 79 | } |
80 | 80 | ||
81 | p.endTime = now + MinLifeTime; | 81 | p.endTime = now + MinLifeTime; |
82 | if (MaxLifeTime != MinLifeTime) | 82 | if (MaxLifeTime != MinLifeTime) |
83 | p.endTime += os::Randomizer::rand() % (MaxLifeTime - MinLifeTime); | 83 | p.endTime += os::Randomizer::rand() % (MaxLifeTime - MinLifeTime); |
84 | 84 | ||
85 | if (MinStartColor==MaxStartColor) | 85 | if (MinStartColor==MaxStartColor) |
86 | p.color=MinStartColor; | 86 | p.color=MinStartColor; |
87 | else | 87 | else |
88 | p.color = MinStartColor.getInterpolated(MaxStartColor, os::Randomizer::frand()); | 88 | p.color = MinStartColor.getInterpolated(MaxStartColor, os::Randomizer::frand()); |
89 | 89 | ||
90 | p.startColor = p.color; | 90 | p.startColor = p.color; |
91 | p.startVector = p.vector; | 91 | p.startVector = p.vector; |
92 | 92 | ||
93 | if (MinStartSize==MaxStartSize) | 93 | if (MinStartSize==MaxStartSize) |
94 | p.startSize = MinStartSize; | 94 | p.startSize = MinStartSize; |
95 | else | 95 | else |
96 | p.startSize = MinStartSize.getInterpolated(MaxStartSize, os::Randomizer::frand()); | 96 | p.startSize = MinStartSize.getInterpolated(MaxStartSize, os::Randomizer::frand()); |
97 | p.size = p.startSize; | 97 | p.size = p.startSize; |
98 | 98 | ||
99 | Particles.push_back(p); | 99 | Particles.push_back(p); |
100 | } | 100 | } |
101 | 101 | ||
102 | outArray = Particles.pointer(); | 102 | outArray = Particles.pointer(); |
103 | 103 | ||
104 | return Particles.size(); | 104 | return Particles.size(); |
105 | } | 105 | } |
106 | 106 | ||
107 | return 0; | 107 | return 0; |
108 | } | 108 | } |
109 | 109 | ||
110 | //! Writes attributes of the object. | 110 | //! Writes attributes of the object. |
111 | void CParticleRingEmitter::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const | 111 | void CParticleRingEmitter::serializeAttributes(io::IAttributes* out, io::SAttributeReadWriteOptions* options) const |
112 | { | 112 | { |
113 | out->addVector3d("Center", Center); | 113 | out->addVector3d("Center", Center); |
114 | out->addFloat("Radius", Radius); | 114 | out->addFloat("Radius", Radius); |
115 | out->addFloat("RingThickness", RingThickness); | 115 | out->addFloat("RingThickness", RingThickness); |
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 CParticleRingEmitter::deserializeAttributes(io::IAttributes* in, io::SAttributeReadWriteOptions* options) | 132 | void CParticleRingEmitter::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 | RingThickness = in->getAttributeAsFloat("RingThickness"); | 136 | RingThickness = in->getAttributeAsFloat("RingThickness"); |
137 | 137 | ||
138 | Direction = in->getAttributeAsVector3d("Direction"); | 138 | Direction = in->getAttributeAsVector3d("Direction"); |
139 | if (Direction.getLength() == 0) | 139 | if (Direction.getLength() == 0) |
140 | Direction.set(0,0.01f,0); | 140 | Direction.set(0,0.01f,0); |
141 | 141 | ||
142 | int idx = -1; | 142 | int idx = -1; |
143 | idx = in->findAttribute("MinStartSizeWidth"); | 143 | idx = in->findAttribute("MinStartSizeWidth"); |
144 | if ( idx >= 0 ) | 144 | if ( idx >= 0 ) |
145 | MinStartSize.Width = in->getAttributeAsFloat(idx); | 145 | MinStartSize.Width = in->getAttributeAsFloat(idx); |
146 | idx = in->findAttribute("MinStartSizeHeight"); | 146 | idx = in->findAttribute("MinStartSizeHeight"); |
147 | if ( idx >= 0 ) | 147 | if ( idx >= 0 ) |
148 | MinStartSize.Height = in->getAttributeAsFloat(idx); | 148 | MinStartSize.Height = in->getAttributeAsFloat(idx); |
149 | idx = in->findAttribute("MaxStartSizeWidth"); | 149 | idx = in->findAttribute("MaxStartSizeWidth"); |
150 | if ( idx >= 0 ) | 150 | if ( idx >= 0 ) |
151 | MaxStartSize.Width = in->getAttributeAsFloat(idx); | 151 | MaxStartSize.Width = in->getAttributeAsFloat(idx); |
152 | idx = in->findAttribute("MaxStartSizeHeight"); | 152 | idx = in->findAttribute("MaxStartSizeHeight"); |
153 | if ( idx >= 0 ) | 153 | if ( idx >= 0 ) |
154 | MaxStartSize.Height = in->getAttributeAsFloat(idx); | 154 | MaxStartSize.Height = in->getAttributeAsFloat(idx); |
155 | 155 | ||
156 | MinParticlesPerSecond = in->getAttributeAsInt("MinParticlesPerSecond"); | 156 | MinParticlesPerSecond = in->getAttributeAsInt("MinParticlesPerSecond"); |
157 | MaxParticlesPerSecond = in->getAttributeAsInt("MaxParticlesPerSecond"); | 157 | MaxParticlesPerSecond = in->getAttributeAsInt("MaxParticlesPerSecond"); |
158 | 158 | ||
159 | MinParticlesPerSecond = core::max_(1u, MinParticlesPerSecond); | 159 | MinParticlesPerSecond = core::max_(1u, MinParticlesPerSecond); |
160 | MaxParticlesPerSecond = core::max_(MaxParticlesPerSecond, 1u); | 160 | MaxParticlesPerSecond = core::max_(MaxParticlesPerSecond, 1u); |
161 | MaxParticlesPerSecond = core::min_(MaxParticlesPerSecond, 200u); | 161 | MaxParticlesPerSecond = core::min_(MaxParticlesPerSecond, 200u); |
162 | MinParticlesPerSecond = core::min_(MinParticlesPerSecond, MaxParticlesPerSecond); | 162 | MinParticlesPerSecond = core::min_(MinParticlesPerSecond, MaxParticlesPerSecond); |
163 | 163 | ||
164 | MinStartColor = in->getAttributeAsColor("MinStartColor"); | 164 | MinStartColor = in->getAttributeAsColor("MinStartColor"); |
165 | MaxStartColor = in->getAttributeAsColor("MaxStartColor"); | 165 | MaxStartColor = in->getAttributeAsColor("MaxStartColor"); |
166 | MinLifeTime = in->getAttributeAsInt("MinLifeTime"); | 166 | MinLifeTime = in->getAttributeAsInt("MinLifeTime"); |
167 | MaxLifeTime = in->getAttributeAsInt("MaxLifeTime"); | 167 | MaxLifeTime = in->getAttributeAsInt("MaxLifeTime"); |
168 | MinLifeTime = core::max_(0u, MinLifeTime); | 168 | MinLifeTime = core::max_(0u, MinLifeTime); |
169 | MaxLifeTime = core::max_(MaxLifeTime, MinLifeTime); | 169 | MaxLifeTime = core::max_(MaxLifeTime, MinLifeTime); |
170 | MinLifeTime = core::min_(MinLifeTime, MaxLifeTime); | 170 | MinLifeTime = core::min_(MinLifeTime, MaxLifeTime); |
171 | 171 | ||
172 | MaxAngleDegrees = in->getAttributeAsInt("MaxAngleDegrees"); | 172 | MaxAngleDegrees = in->getAttributeAsInt("MaxAngleDegrees"); |
173 | } | 173 | } |
174 | 174 | ||
175 | } // end namespace scene | 175 | } // end namespace scene |
176 | } // end namespace irr | 176 | } // end namespace irr |
177 | 177 | ||