axmol/extensions/Particle3D/PU/PUBaseCollider.cpp

/****************************************************************************
 Copyright (C) 2013 Henry van Merode. All rights reserved.
 Copyright (c) 2015-2016 Chukong Technologies Inc.
 Copyright (c) 2017-2018 Xiamen Yaji Software Co., Ltd.

 https://axmolengine.github.io/

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 of this software and associated documentation files (the "Software"), to deal
 in the Software without restriction, including without limitation the rights
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 furnished to do so, subject to the following conditions:

 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.

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 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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#include "PUBaseCollider.h"
#include "extensions/Particle3D/PU/PUParticleSystem3D.h"

NS_AX_BEGIN

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

PUBaseCollider::~PUBaseCollider() {}

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

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

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

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

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

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

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

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

void PUBaseCollider::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 PUBaseCollider::calculateRotationSpeedAfterCollision(PUParticle3D* particle)
{
    if (particle->particleType != PUParticle3D::PT_VISUAL)
        return;

    float signedFriction = AXRANDOM_0_1() > 0.5f ? -(_friction - 1) : (_friction - 1);

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

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

void PUBaseCollider::copyAttributesTo(PUAffector* affector)
{
    PUAffector::copyAttributesTo(affector);

    PUBaseCollider* baseCollider    = static_cast<PUBaseCollider*>(affector);
    baseCollider->_bouncyness       = _bouncyness;
    baseCollider->_friction         = _friction;
    baseCollider->_intersectionType = _intersectionType;
    baseCollider->_collisionType    = _collisionType;
}

NS_AX_END