[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreRotationAffector.h"
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| 26 | #include "OgreParticleSystem.h"
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| 27 | #include "OgreStringConverter.h"
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| 28 | #include "OgreParticle.h"
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| 29 |
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| 30 |
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| 31 | namespace Ogre {
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| 32 |
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| 33 | // init statics
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| 34 | RotationAffector::CmdRotationSpeedRangeStart RotationAffector::msRotationSpeedRangeStartCmd;
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| 35 | RotationAffector::CmdRotationSpeedRangeEnd RotationAffector::msRotationSpeedRangeEndCmd;
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| 36 | RotationAffector::CmdRotationRangeStart RotationAffector::msRotationRangeStartCmd;
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| 37 | RotationAffector::CmdRotationRangeEnd RotationAffector::msRotationRangeEndCmd;
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| 38 |
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| 39 | //-----------------------------------------------------------------------
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| 40 | RotationAffector::RotationAffector(ParticleSystem* psys) :
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| 41 | ParticleAffector(psys),
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| 42 | mRotationSpeedRangeStart(0),
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| 43 | mRotationSpeedRangeEnd(0),
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| 44 | mRotationRangeStart(0),
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| 45 | mRotationRangeEnd(0)
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| 46 | {
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| 47 | mType = "Rotator";
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| 48 |
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| 49 | // Init parameters
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| 50 | if (createParamDictionary("RotationAffector"))
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| 51 | {
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| 52 | ParamDictionary* dict = getParamDictionary();
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| 53 |
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| 54 | dict->addParameter(ParameterDef("rotation_speed_range_start",
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| 55 | "The start of a range of rotation speed to be assigned to emitted particles.", PT_REAL),
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| 56 | &msRotationSpeedRangeStartCmd);
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| 57 |
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| 58 | dict->addParameter(ParameterDef("rotation_speed_range_end",
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| 59 | "The end of a range of rotation speed to be assigned to emitted particles.", PT_REAL),
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| 60 | &msRotationSpeedRangeEndCmd);
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| 61 |
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| 62 | dict->addParameter(ParameterDef("rotation_range_start",
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| 63 | "The start of a range of rotation angles to be assigned to emitted particles.", PT_REAL),
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| 64 | &msRotationRangeStartCmd);
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| 65 |
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| 66 | dict->addParameter(ParameterDef("rotation_range_end",
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| 67 | "The end of a range of rotation angles to be assigned to emitted particles.", PT_REAL),
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| 68 | &msRotationRangeEndCmd);
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| 69 | }
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| 70 | }
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| 71 |
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| 72 | //-----------------------------------------------------------------------
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| 73 | void RotationAffector::_initParticle(Particle* pParticle)
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| 74 | {
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| 75 | pParticle->setRotation(
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| 76 | mRotationRangeStart +
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| 77 | (Math::UnitRandom() *
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| 78 | (mRotationRangeEnd - mRotationRangeStart)));
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| 79 | pParticle->rotationSpeed =
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| 80 | mRotationSpeedRangeStart +
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| 81 | (Math::UnitRandom() *
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| 82 | (mRotationSpeedRangeEnd - mRotationSpeedRangeStart));
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| 83 |
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| 84 | }
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| 85 | //-----------------------------------------------------------------------
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| 86 | void RotationAffector::_affectParticles(ParticleSystem* pSystem, Real timeElapsed)
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| 87 | {
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| 88 | ParticleIterator pi = pSystem->_getIterator();
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| 89 | Particle *p;
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| 90 | Real ds;
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| 91 |
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| 92 | // Rotation adjustments by time
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| 93 | ds = timeElapsed;
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| 94 |
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| 95 | Radian NewRotation;
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| 96 |
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| 97 | while (!pi.end())
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| 98 | {
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| 99 | p = pi.getNext();
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| 100 |
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| 101 | NewRotation = p->rotation + (ds * p->rotationSpeed);
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| 102 | p->setRotation( NewRotation );
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| 103 | }
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| 104 |
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| 105 | }
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| 106 | //-----------------------------------------------------------------------
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| 107 | const Radian& RotationAffector::getRotationSpeedRangeStart(void) const
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| 108 | {
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| 109 | return mRotationSpeedRangeStart;
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| 110 | }
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| 111 | //-----------------------------------------------------------------------
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| 112 | const Radian& RotationAffector::getRotationSpeedRangeEnd(void) const
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| 113 | {
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| 114 | return mRotationSpeedRangeEnd;
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| 115 | }
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| 116 | //-----------------------------------------------------------------------
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| 117 | void RotationAffector::setRotationSpeedRangeStart(const Radian& val)
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| 118 | {
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| 119 | mRotationSpeedRangeStart = val;
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| 120 | }
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| 121 | //-----------------------------------------------------------------------
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| 122 | void RotationAffector::setRotationSpeedRangeEnd(const Radian& val )
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| 123 | {
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| 124 | mRotationSpeedRangeEnd = val;
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| 125 | }
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| 126 | //-----------------------------------------------------------------------
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| 127 | const Radian& RotationAffector::getRotationRangeStart(void) const
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| 128 | {
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| 129 | return mRotationRangeStart;
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| 130 | }
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| 131 | //-----------------------------------------------------------------------
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| 132 | const Radian& RotationAffector::getRotationRangeEnd(void) const
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| 133 | {
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| 134 | return mRotationRangeEnd;
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| 135 | }
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| 136 | //-----------------------------------------------------------------------
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| 137 | void RotationAffector::setRotationRangeStart(const Radian& val)
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| 138 | {
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| 139 | mRotationRangeStart = val;
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| 140 | }
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| 141 | //-----------------------------------------------------------------------
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| 142 | void RotationAffector::setRotationRangeEnd(const Radian& val )
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| 143 | {
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| 144 | mRotationRangeEnd = val;
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| 145 | }
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| 146 | //-----------------------------------------------------------------------
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| 147 |
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| 148 | //-----------------------------------------------------------------------
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| 149 | //-----------------------------------------------------------------------
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| 150 | // Command objects
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| 151 | //-----------------------------------------------------------------------
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| 152 | //-----------------------------------------------------------------------
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| 153 | String RotationAffector::CmdRotationSpeedRangeEnd::doGet(const void* target) const
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| 154 | {
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| 155 | return StringConverter::toString(
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| 156 | static_cast<const RotationAffector*>(target)->getRotationSpeedRangeEnd() );
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| 157 | }
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| 158 | void RotationAffector::CmdRotationSpeedRangeEnd::doSet(void* target, const String& val)
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| 159 | {
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| 160 | static_cast<RotationAffector*>(target)->setRotationSpeedRangeEnd(StringConverter::parseAngle(val));
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| 161 | }
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| 162 | //-----------------------------------------------------------------------
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| 163 | String RotationAffector::CmdRotationSpeedRangeStart::doGet(const void* target) const
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| 164 | {
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| 165 | return StringConverter::toString(
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| 166 | static_cast<const RotationAffector*>(target)->getRotationSpeedRangeStart() );
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| 167 | }
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| 168 | void RotationAffector::CmdRotationSpeedRangeStart::doSet(void* target, const String& val)
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| 169 | {
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| 170 | static_cast<RotationAffector*>(target)->setRotationSpeedRangeStart(StringConverter::parseAngle(val));
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| 171 | }
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| 172 |
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| 173 | //-----------------------------------------------------------------------
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| 174 | String RotationAffector::CmdRotationRangeEnd::doGet(const void* target) const
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| 175 | {
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| 176 | return StringConverter::toString(
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| 177 | static_cast<const RotationAffector*>(target)->getRotationRangeEnd() );
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| 178 | }
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| 179 | void RotationAffector::CmdRotationRangeEnd::doSet(void* target, const String& val)
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| 180 | {
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| 181 | static_cast<RotationAffector*>(target)->setRotationRangeEnd(StringConverter::parseAngle(val));
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| 182 | }
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| 183 | //-----------------------------------------------------------------------
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| 184 | String RotationAffector::CmdRotationRangeStart::doGet(const void* target) const
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| 185 | {
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| 186 | return StringConverter::toString(
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| 187 | static_cast<const RotationAffector*>(target)->getRotationRangeStart() );
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| 188 | }
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| 189 | void RotationAffector::CmdRotationRangeStart::doSet(void* target, const String& val)
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| 190 | {
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| 191 | static_cast<RotationAffector*>(target)->setRotationRangeStart(StringConverter::parseAngle(val));
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| 192 | }
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| 193 | }
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| 194 |
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| 195 |
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| 196 |
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