背景和头像缺失

cocos2d/extensions/Particle3D/PU/CCPURandomiser.cpp

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+/****************************************************************************
+ Copyright (C) 2013 Henry van Merode. All rights reserved.
+ Copyright (c) 2015 Chukong Technologies Inc.
+ 
+ http://www.cocos2d-x.org
+ 
+ Permission is hereby granted, free of charge, to any person obtaining a copy
+ of this software and associated documentation files (the "Software"), to deal
+ in the Software without restriction, including without limitation the rights
+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ copies of the Software, and to permit persons to whom the Software is
+ 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.
+ 
+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ THE SOFTWARE.
+ ****************************************************************************/
+
+#include "CCPURandomiser.h"
+#include "extensions/Particle3D/PU/CCPUParticleSystem3D.h"
+
+NS_CC_BEGIN
+
+// Constants
+const Vec3 PURandomiser::DEFAULT_MAX_DEVIATION(0, 0, 0);
+const float PURandomiser::DEFAULT_TIME_STEP = 0.0f;
+const bool PURandomiser::DEFAULT_RANDOM_DIRECTION = true;
+
+//-----------------------------------------------------------------------
+PURandomiser::PURandomiser(void) : 
+    PUAffector(),
+    _maxDeviationX(DEFAULT_MAX_DEVIATION.x),
+    _maxDeviationY(DEFAULT_MAX_DEVIATION.y),
+    _maxDeviationZ(DEFAULT_MAX_DEVIATION.z),
+    _timeSinceLastUpdate(0.0f),
+    _timeStep(DEFAULT_TIME_STEP),
+    _randomDirection(DEFAULT_RANDOM_DIRECTION),
+    _update(true)
+{
+}
+PURandomiser::~PURandomiser( void )
+{
+
+}
+//-----------------------------------------------------------------------
+float PURandomiser::getMaxDeviationX(void) const
+{
+    return _maxDeviationX;
+}
+//-----------------------------------------------------------------------
+void PURandomiser::setMaxDeviationX(float maxDeviationX)
+{
+    _maxDeviationX = maxDeviationX;
+}
+//-----------------------------------------------------------------------
+float PURandomiser::getMaxDeviationY(void) const
+{
+    return _maxDeviationY;
+}
+//-----------------------------------------------------------------------
+void PURandomiser::setMaxDeviationY(float maxDeviationY)
+{
+    _maxDeviationY = maxDeviationY;
+}
+//-----------------------------------------------------------------------
+float PURandomiser::getMaxDeviationZ(void) const
+{
+    return _maxDeviationZ;
+}
+//-----------------------------------------------------------------------
+void PURandomiser::setMaxDeviationZ(float maxDeviationZ)
+{
+    _maxDeviationZ = maxDeviationZ;
+}
+//-----------------------------------------------------------------------
+float PURandomiser::getTimeStep(void) const
+{
+    return _timeStep;
+}
+//-----------------------------------------------------------------------
+void PURandomiser::setTimeStep(float timeStep)
+{
+    _timeStep = timeStep;
+    _timeSinceLastUpdate = timeStep;
+}
+//-----------------------------------------------------------------------
+bool PURandomiser::isRandomDirection(void) const
+{
+    return _randomDirection;
+}
+//-----------------------------------------------------------------------
+void PURandomiser::setRandomDirection(bool randomDirection)
+{
+    _randomDirection = randomDirection;
+}
+//-----------------------------------------------------------------------
+void PURandomiser::preUpdateAffector(float deltaTime)
+{
+    if (/*technique->getNumberOfEmittedParticles()*/static_cast<PUParticleSystem3D *>(_particleSystem)->getAliveParticleCount() > 0)
+    {
+        _timeSinceLastUpdate += deltaTime;
+        if (_timeSinceLastUpdate > _timeStep)
+        {
+            _timeSinceLastUpdate -= _timeStep;
+            _update = true;
+        }
+    }
+}
+//-----------------------------------------------------------------------
+void PURandomiser::updatePUAffector( PUParticle3D *particle, float deltaTime )
+{
+    //for (auto iter : _particleSystem->getParticles())
+    {
+        //PUParticle3D *particle = iter;
+        if (_update)
+        {
+            if (_randomDirection)
+            {
+                // Random direction: Change the direction after each update
+                particle->direction.add(CCRANDOM_MINUS1_1() * _maxDeviationX,
+                    CCRANDOM_MINUS1_1() * _maxDeviationY,
+                    CCRANDOM_MINUS1_1() * _maxDeviationZ);
+            }
+            else
+            {
+                // Explicitly check on 'freezed', because it passes the techniques' validation.
+                if (particle->isFreezed())
+                    return;
+
+                // Random position: Add the position deviation after each update
+                particle->position.add(CCRANDOM_MINUS1_1() * _maxDeviationX * _affectorScale.x,
+                    CCRANDOM_MINUS1_1() * _maxDeviationY * _affectorScale.y,
+                    CCRANDOM_MINUS1_1() * _maxDeviationZ * _affectorScale.z);
+            }
+        }
+    }
+}
+
+//-----------------------------------------------------------------------
+void PURandomiser::postUpdateAffector(float deltaTime)
+{
+    _update = false;
+}
+
+PURandomiser* PURandomiser::create()
+{
+    auto pr = new (std::nothrow) PURandomiser();
+    pr->autorelease();
+    return pr;
+}
+
+void PURandomiser::copyAttributesTo( PUAffector* affector )
+{
+    PUAffector::copyAttributesTo(affector);
+
+    PURandomiser* randomiser = static_cast<PURandomiser*>(affector);
+    randomiser->_maxDeviationX = _maxDeviationX;
+    randomiser->_maxDeviationY = _maxDeviationY;
+    randomiser->_maxDeviationZ = _maxDeviationZ;
+    randomiser->setTimeStep(_timeStep); // Also sets time since last update to appropriate value
+    randomiser->_randomDirection = _randomDirection;
+}
+
+NS_CC_END