mirror of https://github.com/axmolengine/axmol.git
129 lines
4.8 KiB
C++
129 lines
4.8 KiB
C++
/****************************************************************************
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Copyright (C) 2013 Henry van Merode. All rights reserved.
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Copyright (c) 2015-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.
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https://axmolengine.github.io/
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __AX_PU_PARTICLE_3D_BASE_COLLIDER_H__
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#define __AX_PU_PARTICLE_3D_BASE_COLLIDER_H__
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#include "extensions/Particle3D/PU/CCPUAffector.h"
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#include "3d/CCAABB.h"
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NS_AX_BEGIN
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struct PUParticle3D;
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class AX_EX_DLL PUBaseCollider : public PUAffector
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{
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public:
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/** Determines how a particle collision should be determined. IT_POINT means that the position of
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the particle will be validated against the Colliders' shape. IT_BOX means that the dimensions
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(width, height and depth) are used to determine whether the particle collides.
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*/
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enum IntersectionType
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{
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IT_POINT,
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IT_BOX
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};
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/** Determines how a particle behaves after collision with this collider. The behaviour of the
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particle is solved in the collider and only behaviour that needs the colliders?data is taken
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into account. The fact that a particle expires for example, can be achieved by using an
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Observer in combination with an EventHandler (DoExpireEventHandler).
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CT_NONE means that the particle doesn't do anything. This value should be set if the behaviour
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of the particle is determined outside the collider (for example, expiring the particle).
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CT_BOUNCE means that the particle bounces off the collider.
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CT_FLOW means that the particle flows around the contours of the collider.
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*/
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enum CollisionType
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{
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CT_NONE,
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CT_BOUNCE,
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CT_FLOW,
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};
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// Constants
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static const float DEFAULT_BOUNCYNESS;
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static const float DEFAULT_FRICTION;
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static const IntersectionType DEFAULT_INTERSECTION_TYPE;
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static const CollisionType DEFAULT_COLLISION_TYPE;
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virtual void preUpdateAffector(float deltaTime) override;
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/** Returns the type of intersection.
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*/
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IntersectionType getIntersectionType() const;
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/** Sets the type of intersection.
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*/
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void setIntersectionType(const IntersectionType& intersectionType);
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/** Returns the type of collision.
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*/
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CollisionType getCollisionType() const;
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/** Sets the type of collision.
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*/
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void setCollisionType(const CollisionType& collisionType);
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/** Returns the friction value.
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*/
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float getFriction() const;
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/** Sets the friction value.
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*/
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void setFriction(const float friction);
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/** Returns the bouncyness value.
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*/
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float getBouncyness() const;
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/** Sets the bouncyness value.
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*/
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void setBouncyness(const float bouncyness);
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/** Fill the AxisAlignedBox with data derived from the other arguments.
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*/
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void populateAlignedBox(AABB& box, const Vec3& position, const float width, const float height, const float depth);
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/** Recalculates the rotation speed after collision.
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This function must be explicitly called in the updatePUAffector(float deltaTime) function of the class that
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inherits from BaseCollider.
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*/
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void calculateRotationSpeedAfterCollision(PUParticle3D* particle);
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virtual void copyAttributesTo(PUAffector* affector) override;
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PUBaseCollider();
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virtual ~PUBaseCollider();
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protected:
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float _friction; // Physics characteristic that influences particle rotation speed.
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float _bouncyness; // Physics characteristic that influences particle velocity.
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IntersectionType _intersectionType;
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CollisionType _collisionType;
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float _velocityScale; // Value set in the particle system, but stored in the collider for convenience.
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};
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NS_AX_END
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#endif |