149 lines
4.5 KiB
C++
149 lines
4.5 KiB
C++
//////////////////////////////////////////////////////////////////////////////////
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// SPARK particle engine //
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// Copyright (C) 2008-2009 - Julien Fryer - julienfryer@gmail.com //
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// //
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// This software is provided 'as-is', without any express or implied //
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// warranty. In no event will the authors be held liable for any damages //
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// arising from the use of this software. //
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// //
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// Permission is granted to anyone to use this software for any purpose, //
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// including commercial applications, and to alter it and redistribute it //
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// freely, subject to the following restrictions: //
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// //
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// 1. The origin of this software must not be misrepresented; you must not //
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// claim that you wrote the original software. If you use this software //
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// in a product, an acknowledgment in the product documentation would be //
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// appreciated but is not required. //
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// 2. Altered source versions must be plainly marked as such, and must not be //
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// misrepresented as being the original software. //
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// 3. This notice may not be removed or altered from any source distribution. //
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//////////////////////////////////////////////////////////////////////////////////
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#ifndef H_SPK_OBSTACLE
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#define H_SPK_OBSTACLE
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#include "Core/SPK_Modifier.h"
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#include "Core/SPK_Particle.h"
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#include "Core/SPK_Zone.h"
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namespace SPK
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{
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/**
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* @class Obstacle
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* @brief A Modifier that acts as an obstacle on particles
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*/
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class SPK_PREFIX Obstacle : public Modifier
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{
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SPK_IMPLEMENT_REGISTERABLE(Obstacle)
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public :
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/////////////////
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// Constructor //
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/////////////////
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/**
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* @brief Constructor of Obstacle
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* @param zone : the Zone of the Obstacle
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* @param trigger : the trigger of the Destructor
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* @param bouncingRatio : the bouncingRatio of the Obstacle
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* @param friction : the friction of the Obstacle
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*/
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Obstacle(Zone* zone = NULL,ModifierTrigger trigger = INTERSECT_ZONE,float bouncingRatio = 1.0f,float friction = 1.0f);
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/**
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* @brief Creates and registers a new Obstacle
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* @param zone : the Zone of the Obstacle
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* @param trigger : the trigger of the Destructor
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* @param bouncingRatio : the bouncingRatio of the Obstacle
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* @param friction : the friction of the Obstacle
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* @return A new registered Obstacle
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* @since 1.04.00
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*/
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static inline Obstacle* create(Zone* zone = NULL,ModifierTrigger trigger = INTERSECT_ZONE,float bouncingRatio = 1.0f,float friction = 1.0f);
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/////////////
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// Setters //
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/////////////
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/**
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* @brief Sets the bouncing ratio of this Obstacle
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*
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* The bouncing ratio is the multiplier applied to the normal component of the rebound.
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*
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* @param bouncingRatio : the bouncing ratio of this Obstacle
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*/
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inline void setBouncingRatio(float bouncingRatio);
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/**
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* @brief Sets the friction of this Obstacle
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*
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* The bouncing ratio is the multiplier applied to the tangent component of the rebound.
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*
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* @param friction : the friction of this Obstacle
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*/
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inline void setFriction(float friction);
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/////////////
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// Getters //
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/////////////
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/**
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* @brief Gets the bouncing ratio of this Obstacle
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* @return the bouncing ratio of this Obstacle
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*/
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inline float getBouncingRatio() const;
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/**
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* @brief Gets the friction of this Obstacle
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* @return the friction of this Obstacle
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*/
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inline float getFriction() const;
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private :
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float bouncingRatio;
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float friction;
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virtual void modify(Particle& particle,float deltaTime) const;
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virtual inline void modifyWrongSide(Particle& particle,bool inside) const;
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};
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inline Obstacle* Obstacle::create(Zone* zone,ModifierTrigger trigger,float bouncingRatio,float friction)
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{
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Obstacle* obj = new Obstacle(zone,trigger,bouncingRatio,friction);
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registerObject(obj);
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return obj;
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}
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inline void Obstacle::setBouncingRatio(float bouncingRatio)
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{
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this->bouncingRatio = bouncingRatio < 0.0f ? 0.0f : bouncingRatio;
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}
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inline void Obstacle::setFriction(float friction)
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{
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this->friction = friction;
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}
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inline float Obstacle::getBouncingRatio() const
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{
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return bouncingRatio;
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}
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inline float Obstacle::getFriction() const
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{
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return friction;
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}
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inline void Obstacle::modifyWrongSide(Particle& particle,bool inside) const
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{
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if (isFullZone())
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getZone()->moveAtBorder(particle.position(),inside);
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}
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}
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#endif
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