mirror of https://github.com/axmolengine/axmol.git
385 lines
13 KiB
C++
385 lines
13 KiB
C++
/****************************************************************************
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Copyright (c) 2015 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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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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#include "CCPUParticle3DDynamicAttribute.h"
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#include "base/ccRandom.h"
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#include "platform/CCStdC.h"
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NS_CC_BEGIN
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//-----------------------------------------------------------------------
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PUDynamicAttribute::PUDynamicAttribute (void)
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{
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}
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//-----------------------------------------------------------------------
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PUDynamicAttribute::~PUDynamicAttribute (void)
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{
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}
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//-----------------------------------------------------------------------
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PUDynamicAttribute::DynamicAttributeType PUDynamicAttribute::getType (void) const
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{
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return _type;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttribute::setType (PUDynamicAttribute::DynamicAttributeType type)
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{
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_type = type;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeFixed::PUDynamicAttributeFixed (void) : _value(0)
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{
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_type = PUDynamicAttribute::DAT_FIXED;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeFixed::PUDynamicAttributeFixed (const PUDynamicAttributeFixed& dynamicAttributeFixed)
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{
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_type = PUDynamicAttribute::DAT_FIXED;
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_value = dynamicAttributeFixed._value;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeFixed::~PUDynamicAttributeFixed (void)
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{
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeFixed::setValue (float value)
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{
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_value = value;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeFixed::getValue (float x)
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{
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return _value;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeRandom::PUDynamicAttributeRandom (void) : _min(0), _max(0)
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{
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_type = PUDynamicAttribute::DAT_RANDOM;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeRandom::PUDynamicAttributeRandom (const PUDynamicAttributeRandom& dynamicAttributeRandom)
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{
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_type = PUDynamicAttribute::DAT_RANDOM;
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_min = dynamicAttributeRandom._min;
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_max = dynamicAttributeRandom._max;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeRandom::~PUDynamicAttributeRandom (void)
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{
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeRandom::getMin (void) const
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{
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return _min;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeRandom::setMin (float min)
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{
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_min = min;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeRandom::getMax (void) const
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{
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return _max;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeRandom::setMax (float max)
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{
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_max = max;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeRandom::setMinMax (float min, float max)
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{
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_min = min;
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_max = max;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeRandom::getValue (float x)
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{
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return cocos2d::random(_min, _max);
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::PUDynamicAttributeCurved (void) :
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_interpolationType(IT_LINEAR),
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_range(0)
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{
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_type = PUDynamicAttribute::DAT_CURVED;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::PUDynamicAttributeCurved (PUInterpolationType interpolationType) :
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_interpolationType(interpolationType),
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_range(0)
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{
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_type = PUDynamicAttribute::DAT_CURVED;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::PUDynamicAttributeCurved (const PUDynamicAttributeCurved& dynamicAttributeCurved)
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{
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_type = PUDynamicAttribute::DAT_CURVED;
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_interpolationType = dynamicAttributeCurved._interpolationType;
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_spline = dynamicAttributeCurved._spline;
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_range = dynamicAttributeCurved._range;
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// Copy controlpoints
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PUDynamicAttributeCurved::ControlPointList::const_iterator it; // Need const_iterator here!
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PUDynamicAttributeCurved::ControlPointList::const_iterator itEnd = dynamicAttributeCurved._controlPoints.end();
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for (it = dynamicAttributeCurved._controlPoints.begin(); it != itEnd; ++it)
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{
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Vec2 controlPoint = *it;
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_controlPoints.push_back (controlPoint);
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}
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processControlPoints();
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::~PUDynamicAttributeCurved (void)
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{
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::setInterpolationType (PUInterpolationType interpolationType)
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{
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if (interpolationType != _interpolationType)
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{
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// If switched to another InterpolationType, the already existing ControlPoints will be removed.
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removeAllControlPoints();
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_interpolationType = interpolationType;
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}
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}
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//-----------------------------------------------------------------------
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PUInterpolationType PUDynamicAttributeCurved::getInterpolationType (void) const
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{
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return _interpolationType;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeCurved::getValue (float x)
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{
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switch (_interpolationType)
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{
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case IT_LINEAR:
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{
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// Search the interval in which 'x' resides and apply linear interpolation
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if (_controlPoints.empty())
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return 0;
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ControlPointList::iterator it1 = findNearestControlPointIterator(x);
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ControlPointList::iterator it2 = it1 + 1;
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if (it2 != _controlPoints.end())
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{
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// Calculate fraction: y = y1 + ((y2 - y1) * (x - x1)/(x2 - x1))
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return (*it1).y + (((*it2).y - (*it1).y) * (x - (*it1).x)/((*it2).x - (*it1).x));
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}
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else
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{
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return (*it1).y;
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}
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}
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break;
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case IT_SPLINE:
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{
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// Fit using spline
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if (_spline.getNumPoints() < 1)
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return 0;
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float fraction = x / _range;
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return (_spline.interpolate(fraction < 1.0f ? fraction : 1.0f)).y;
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}
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break;
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}
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return 0;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::addControlPoint (float x, float y)
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{
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_controlPoints.push_back(Vec2(x, y));
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}
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//-----------------------------------------------------------------------
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const PUDynamicAttributeCurved::ControlPointList& PUDynamicAttributeCurved::getControlPoints (void) const
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{
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return _controlPoints;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::processControlPoints(void)
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{
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if (_controlPoints.empty())
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return;
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std::sort(_controlPoints.begin(), _controlPoints.end(), PUControlPointSorter());
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_range = (*getLastValidIterator()).x - (*getFirstValidIterator()).x;
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if (_interpolationType == IT_SPLINE)
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{
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// Add all sorted control points to the spline
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PUDynamicAttributeCurved::ControlPointList::iterator it;
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_spline.clear();
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for (it = _controlPoints.begin(); it != _controlPoints.end(); ++it)
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_spline.addPoint(Vec3((*it).x, (*it).y, 0));
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}
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}
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//-----------------------------------------------------------------------
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size_t PUDynamicAttributeCurved::getNumControlPoints(void) const
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{
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return _controlPoints.size();
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeCurved::removeAllControlPoints(void)
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{
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_controlPoints.clear();
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::ControlPointList::iterator PUDynamicAttributeCurved::findNearestControlPointIterator(float x)
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{
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// Assume that the ControlPointList is not empty
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ControlPointList::iterator it;
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ControlPointList::iterator itEnd = _controlPoints.end();
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for (it = _controlPoints.begin(); it != itEnd; ++it)
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{
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if (x < (*it).x)
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{
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if (it == _controlPoints.begin())
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return it;
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else
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return --it;
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}
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}
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// If not found return the last valid iterator
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return --it;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::ControlPointList::iterator PUDynamicAttributeCurved::getFirstValidIterator(void)
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{
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return _controlPoints.begin();
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeCurved::ControlPointList::iterator PUDynamicAttributeCurved::getLastValidIterator(void)
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{
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return _controlPoints.end() - 1;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::PUDynamicAttributeOscillate (void) :
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_oscillationType(PUDynamicAttributeOscillate::OSCT_SINE),
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_frequency(1.0f),
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_phase(0.0f),
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_base(0.0f),
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_amplitude(1.0f)
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{
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_type = PUDynamicAttribute::DAT_OSCILLATE;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::PUDynamicAttributeOscillate (const PUDynamicAttributeOscillate& dynamicAttributeOscillate)
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{
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_type = PUDynamicAttribute::DAT_OSCILLATE;
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::~PUDynamicAttributeOscillate (void)
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{
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}
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//-----------------------------------------------------------------------
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PUDynamicAttributeOscillate::OscillationType PUDynamicAttributeOscillate::getOscillationType (void) const
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{
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return _oscillationType;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setOscillationType (PUDynamicAttributeOscillate::OscillationType oscillationType)
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{
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_oscillationType = oscillationType;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getFrequency (void) const
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{
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return _frequency;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setFrequency (float frequency)
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{
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_frequency = frequency;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getPhase (void) const
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{
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return _phase;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setPhase (float phase)
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{
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_phase = phase;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getBase (void) const
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{
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return _base;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setBase (float base)
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{
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_base = base;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getAmplitude (void) const
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{
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return _amplitude;
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}
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//-----------------------------------------------------------------------
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void PUDynamicAttributeOscillate::setAmplitude (float amplitude)
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{
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_amplitude = amplitude;
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}
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//-----------------------------------------------------------------------
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float PUDynamicAttributeOscillate::getValue (float x)
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{
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switch (_oscillationType)
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{
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case OSCT_SINE:
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{
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return _base + _amplitude * sin(_phase + _frequency * x * M_PI * 2.0f);
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}
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break;
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case OSCT_SQUARE:
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{
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float val = sin(_phase + _frequency * x * M_PI * 2.0f);
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if (abs(val) < 0.00001f)
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val = val >0? 1: -1;
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return _base + _amplitude * val;
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}
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break;
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}
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return 0;
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}
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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//-----------------------------------------------------------------------
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float PUDynamicAttributeHelper::calculate(PUDynamicAttribute* dyn, float x, float defaultValue)
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{
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if (dyn)
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{
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return dyn->getValue(x);
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}
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return defaultValue;
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}
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NS_CC_END
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