axmol/extensions/Particle3D/ParticleUniverse/ParticleAffectors/CCPUParticle3DBaseCollider.cpp

/****************************************************************************
 Copyright (c) 2015 Chukong Technologies Inc.
 
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#include "CCPUParticle3DBaseCollider.h"
#include "extensions/Particle3D/ParticleUniverse/CCPUParticleSystem3D.h"

NS_CC_BEGIN

// Constants
const float PUParticle3DBaseCollider::DEFAULT_BOUNCYNESS = 1.0f;
const float PUParticle3DBaseCollider::DEFAULT_FRICTION = 0.0f;
const PUParticle3DBaseCollider::IntersectionType PUParticle3DBaseCollider::DEFAULT_INTERSECTION_TYPE = PUParticle3DBaseCollider::IT_POINT;
const PUParticle3DBaseCollider::CollisionType PUParticle3DBaseCollider::DEFAULT_COLLISION_TYPE = PUParticle3DBaseCollider::CT_BOUNCE;
//-----------------------------------------------------------------------
PUParticle3DBaseCollider::PUParticle3DBaseCollider() 
    : PUParticle3DAffector()
    , _bouncyness(DEFAULT_BOUNCYNESS)
    , _friction(DEFAULT_FRICTION)
    , _intersectionType(DEFAULT_INTERSECTION_TYPE)
    , _collisionType(DEFAULT_COLLISION_TYPE)
    , _velocityScale(1.0f)
{
}

PUParticle3DBaseCollider::~PUParticle3DBaseCollider()
{
}

const PUParticle3DBaseCollider::IntersectionType PUParticle3DBaseCollider::getIntersectionType() const
{
    return _intersectionType;
}

void PUParticle3DBaseCollider::setIntersectionType( const IntersectionType& intersectionType )
{
    _intersectionType = intersectionType;
}

const PUParticle3DBaseCollider::CollisionType PUParticle3DBaseCollider::getCollisionType() const
{
    return _collisionType;
}

void PUParticle3DBaseCollider::setCollisionType( const CollisionType& collisionType )
{
    _collisionType = collisionType;
}

const float PUParticle3DBaseCollider::getFriction() const
{
    return _friction;
}

void PUParticle3DBaseCollider::setFriction( const float friction )
{
    _friction = friction;
}

const float PUParticle3DBaseCollider::getBouncyness() const
{
    return _bouncyness;
}

void PUParticle3DBaseCollider::setBouncyness( const float bouncyness )
{
    _bouncyness = bouncyness;
}

void PUParticle3DBaseCollider::populateAlignedBox( AABB& box, const Vec3& position, const float width, const float height, const float depth )
{
    float halfWidth = 0.5f * width;
    float halfHeight = 0.5f * height;
    float halfDepth = 0.5f * depth;
    box.set(Vec3(position.x - halfWidth, 
        position.y - halfHeight, 
        position.z - halfDepth),
        Vec3(position.x + halfWidth, 
        position.y + halfHeight, 
        position.z + halfDepth));
}

void PUParticle3DBaseCollider::calculateRotationSpeedAfterCollision( PUParticle3D* particle )
{
    float signedFriction = CCRANDOM_0_1() > 0.5 ? -(_friction - 1) : (_friction - 1);

    particle->rotationSpeed *= signedFriction;
    particle->zRotationSpeed *= signedFriction;
}

void PUParticle3DBaseCollider::preUpdateAffector( float deltaTime )
{
    // Take scaled velocity into account
    _velocityScale = deltaTime * (static_cast<PUParticleSystem3D *>(_particleSystem))->getParticleSystemScaleVelocity();
}

NS_CC_END