/* ----------------------------------------------------------------------------- This source file is part of OGRE (Object-oriented Graphics Rendering Engine) For the latest info, see http://www.ogre3d.org/ Copyright ) 2002 Tels Based on OgrreBoxEmitter Also see acknowledgements in Readme.html This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA, or go to http://www.gnu.org/copyleft/lesser.txt. You may alternatively use this source under the terms of a specific version of the OGRE Unrestricted License provided you have obtained such a license from Torus Knot Software Ltd. ----------------------------------------------------------------------------- */ #include "OgreAreaEmitter.h" #include "OgreParticle.h" #include "OgreQuaternion.h" #include "OgreException.h" #include "OgreStringConverter.h" namespace Ogre { // Instatiate statics AreaEmitter::CmdWidth AreaEmitter::msWidthCmd; AreaEmitter::CmdHeight AreaEmitter::msHeightCmd; AreaEmitter::CmdDepth AreaEmitter::msDepthCmd; //----------------------------------------------------------------------- bool AreaEmitter::initDefaults(const String& t) { // called by the constructor as initDefaults("Type") // Defaults mDirection = Vector3::UNIT_Z; mUp = Vector3::UNIT_Y; setSize(100,100,100); mType = t; // Set up parameters if (createParamDictionary(mType + "Emitter")) { addBaseParameters(); ParamDictionary* dict = getParamDictionary(); // Custom params dict->addParameter(ParameterDef("width", "Width of the shape in world coordinates.", PT_REAL),&msWidthCmd); dict->addParameter(ParameterDef("height", "Height of the shape in world coordinates.", PT_REAL),&msHeightCmd); dict->addParameter(ParameterDef("depth", "Depth of the shape in world coordinates.", PT_REAL),&msDepthCmd); return true; } return false; } //----------------------------------------------------------------------- unsigned short AreaEmitter::_getEmissionCount(Real timeElapsed) { // Use basic constant emission return genConstantEmissionCount(timeElapsed); } //----------------------------------------------------------------------- void AreaEmitter::setDirection( const Vector3& direction ) { ParticleEmitter::setDirection( direction ); // Update the ranges genAreaAxes(); } //----------------------------------------------------------------------- void AreaEmitter::setSize(const Vector3& size) { mSize = size; genAreaAxes(); } //----------------------------------------------------------------------- void AreaEmitter::setSize(Real x, Real y, Real z) { mSize.x = x; mSize.y = y; mSize.z = z; genAreaAxes(); } //----------------------------------------------------------------------- void AreaEmitter::setWidth(Real width) { mSize.x = width; genAreaAxes(); } //----------------------------------------------------------------------- Real AreaEmitter::getWidth(void) const { return mSize.x; } //----------------------------------------------------------------------- void AreaEmitter::setHeight(Real height) { mSize.y = height; genAreaAxes(); } //----------------------------------------------------------------------- Real AreaEmitter::getHeight(void) const { return mSize.y; } //----------------------------------------------------------------------- void AreaEmitter::setDepth(Real depth) { mSize.z = depth; genAreaAxes(); } //----------------------------------------------------------------------- Real AreaEmitter::getDepth(void) const { return mSize.z; } //----------------------------------------------------------------------- void AreaEmitter::genAreaAxes(void) { Vector3 mLeft = mUp.crossProduct(mDirection); mXRange = mLeft * (mSize.x * 0.5f); mYRange = mUp * (mSize.y * 0.5f); mZRange = mDirection * (mSize.z * 0.5f); } //----------------------------------------------------------------------- // Command objects //----------------------------------------------------------------------- //----------------------------------------------------------------------- String AreaEmitter::CmdWidth::doGet(const void* target) const { return StringConverter::toString( static_cast(target)->getWidth() ); } void AreaEmitter::CmdWidth::doSet(void* target, const String& val) { static_cast(target)->setWidth(StringConverter::parseReal(val)); } //----------------------------------------------------------------------- String AreaEmitter::CmdHeight::doGet(const void* target) const { return StringConverter::toString( static_cast(target)->getHeight() ); } void AreaEmitter::CmdHeight::doSet(void* target, const String& val) { static_cast(target)->setHeight(StringConverter::parseReal(val)); } //----------------------------------------------------------------------- String AreaEmitter::CmdDepth::doGet(const void* target) const { return StringConverter::toString( static_cast(target)->getDepth() ); } void AreaEmitter::CmdDepth::doSet(void* target, const String& val) { static_cast(target)->setDepth(StringConverter::parseReal(val)); } }