mirror of https://github.com/axmolengine/axmol.git
851 lines
18 KiB
C++
851 lines
18 KiB
C++
/****************************************************************************
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Copyright (c) 2010 cocos2d-x.org
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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 "CCGrid3DAction.h"
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#include "CGPointExtension.h"
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namespace cocos2d
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{
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// implementation of CCWaves3D
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CCWaves3D* CCWaves3D::actionWithWaves(int wav, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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CCWaves3D *pAction = new CCWaves3D();
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if (pAction)
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{
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if (pAction->initWithWaves(wav, amp, gridSize, duration))
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{
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pAction->autorelease();
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}
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else
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{
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CCX_SAFE_RELEASE_NULL(pAction);
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}
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}
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return pAction;
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}
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bool CCWaves3D::initWithWaves(int wav, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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if (CCGrid3DAction::initWithSize(gridSize, duration))
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{
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m_nWaves = wav;
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m_fAmplitude = amp;
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m_fAmplitudeRate = 1.0f;
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return true;
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}
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return false;
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}
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NSObject* CCWaves3D::copyWithZone(cocos2d::NSZone *pZone)
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{
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NSZone* pNewZone = NULL;
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CCWaves3D* pCopy = NULL;
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if(pZone && pZone->m_pCopyObject)
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{
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//in case of being called at sub class
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pCopy = (CCWaves3D*)(pZone->m_pCopyObject);
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}
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else
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{
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pCopy = new CCWaves3D();
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pZone = pNewZone = new NSZone(pCopy);
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}
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CCGrid3DAction::copyWithZone(pZone);
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pCopy->initWithWaves(m_nWaves, m_fAmplitude, m_sGridSize, m_fDuration);
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CCX_SAFE_DELETE(pNewZone);
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return pCopy;
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}
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void CCWaves3D::update(cocos2d::ccTime time)
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{
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int i, j;
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for (i = 0; i < m_sGridSize.x + 1; ++i)
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{
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for (j = 0; j < m_sGridSize.y + 1; ++j)
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{
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ccVertex3F v = originalVertex(ccg(i ,j));
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v.z += (sinf((CGFloat)M_PI * time * m_nWaves * 2 + (v.y+v.x) * .01f) * m_fAmplitude * m_fAmplitudeRate);
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setVertex(ccg(i, j), v);
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}
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}
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}
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// implementation of CCFlipX3D
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CCFlipX3D* CCFlipX3D::actionWithDuration(cocos2d::ccTime duration)
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{
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CCFlipX3D *pAction = new CCFlipX3D();
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if (pAction)
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{
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if (pAction->initWithSize(ccg(1, 1), duration))
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{
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pAction->autorelease();
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}
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else
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{
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CCX_SAFE_RELEASE_NULL(pAction);
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}
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}
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return pAction;
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}
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bool CCFlipX3D::initWithDuration(cocos2d::ccTime duration)
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{
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return CCGrid3DAction::initWithSize(ccg(1, 1), duration);
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}
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bool CCFlipX3D::initWithSize(cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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if (gridSize.x != 1 || gridSize.y != 1)
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{
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// Grid size must be (1,1)
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assert(0);
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return false;
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}
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return CCGrid3DAction::initWithSize(gridSize, duration);
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}
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NSObject* CCFlipX3D::copyWithZone(cocos2d::NSZone *pZone)
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{
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NSZone* pNewZone = NULL;
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CCFlipX3D* pCopy = NULL;
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if(pZone && pZone->m_pCopyObject)
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{
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//in case of being called at sub class
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pCopy = (CCFlipX3D*)(pZone->m_pCopyObject);
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}
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else
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{
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pCopy = new CCFlipX3D();
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pZone = pNewZone = new NSZone(pCopy);
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}
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CCGrid3DAction::copyWithZone(pZone);
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pCopy->initWithSize(m_sGridSize, m_fDuration);
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CCX_SAFE_DELETE(pNewZone);
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return pCopy;
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}
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void CCFlipX3D::update(cocos2d::ccTime time)
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{
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CGFloat angle = (CGFloat)M_PI * time; // 180 degrees
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CGFloat mz = sinf(angle);
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angle = angle / 2.0f; // x calculates degrees from 0 to 90
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CGFloat mx = cosf(angle);
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ccVertex3F v0, v1, v, diff;
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v0 = originalVertex(ccg(1, 1));
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v1 = originalVertex(ccg(0, 0));
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CGFloat x0 = v0.x;
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CGFloat x1 = v1.x;
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CGFloat x;
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ccGridSize a, b, c, d;
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if ( x0 > x1 )
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{
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// Normal Grid
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a = ccg(0,0);
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b = ccg(0,1);
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c = ccg(1,0);
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d = ccg(1,1);
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x = x0;
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}
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else
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{
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// Reversed Grid
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c = ccg(0,0);
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d = ccg(0,1);
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a = ccg(1,0);
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b = ccg(1,1);
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x = x1;
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}
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diff.x = ( x - x * mx );
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diff.z = fabsf( floorf( (x * mz) / 4.0f ) );
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// bottom-left
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v = originalVertex(a);
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v.x = diff.x;
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v.z += diff.z;
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setVertex(a, v);
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// upper-left
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v = originalVertex(b);
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v.x = diff.x;
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v.z += diff.z;
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setVertex(b, v);
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// bottom-right
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v = originalVertex(c);
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v.x -= diff.x;
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v.z -= diff.z;
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setVertex(c, v);
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// upper-right
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v = originalVertex(d);
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v.x -= diff.x;
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v.z -= diff.z;
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setVertex(d, v);
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}
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// implementation of FlipY3D
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CCFlipY3D* CCFlipY3D::actionWithDuration(ccTime duration)
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{
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CCFlipY3D *pAction = new CCFlipY3D();
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if (pAction)
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{
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if (pAction->initWithSize(ccg(1, 1), duration))
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{
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pAction->autorelease();
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}
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else
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{
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CCX_SAFE_RELEASE_NULL(pAction);
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}
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}
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return pAction;
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}
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NSObject* CCFlipY3D::copyWithZone(NSZone* pZone)
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{
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NSZone* pNewZone = NULL;
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CCFlipY3D* pCopy = NULL;
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if(pZone && pZone->m_pCopyObject)
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{
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//in case of being called at sub class
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pCopy = (CCFlipY3D*)(pZone->m_pCopyObject);
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}
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else
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{
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pCopy = new CCFlipY3D();
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pZone = pNewZone = new NSZone(pCopy);
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}
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CCFlipX3D::copyWithZone(pZone);
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pCopy->initWithSize(m_sGridSize, m_fDuration);
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CCX_SAFE_DELETE(pNewZone);
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return pCopy;
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}
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void CCFlipY3D::update(cocos2d::ccTime time)
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{
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CGFloat angle = (CGFloat)M_PI * time; // 180 degrees
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CGFloat mz = sinf( angle );
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angle = angle / 2.0f; // x calculates degrees from 0 to 90
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CGFloat my = cosf(angle);
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ccVertex3F v0, v1, v, diff;
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v0 = originalVertex(ccg(1, 1));
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v1 = originalVertex(ccg(0, 0));
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CGFloat y0 = v0.y;
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CGFloat y1 = v1.y;
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CGFloat y;
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ccGridSize a, b, c, d;
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if (y0 > y1)
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{
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// Normal Grid
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a = ccg(0,0);
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b = ccg(0,1);
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c = ccg(1,0);
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d = ccg(1,1);
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y = y0;
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}
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else
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{
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// Reversed Grid
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b = ccg(0,0);
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a = ccg(0,1);
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d = ccg(1,0);
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c = ccg(1,1);
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y = y1;
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}
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diff.y = y - y * my;
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diff.z = fabsf(floorf((y * mz) / 4.0f));
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// bottom-left
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v = originalVertex(a);
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v.y = diff.y;
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v.z += diff.z;
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setVertex(a, v);
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// upper-left
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v = originalVertex(b);
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v.y -= diff.y;
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v.z -= diff.z;
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setVertex(b, v);
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// bottom-right
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v = originalVertex(c);
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v.y = diff.y;
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v.z += diff.z;
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setVertex(c, v);
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// upper-right
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v = originalVertex(d);
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v.y -= diff.y;
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v.z -= diff.z;
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setVertex(d, v);
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}
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// implementation of Lens3D
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CCLens3D* CCLens3D::actionWithPosition(cocos2d::CGPoint pos, float r, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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CCLens3D *pAction = new CCLens3D();
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if (pAction)
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{
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if (pAction->initWithPosition(pos, r, gridSize, duration))
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{
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pAction->autorelease();
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}
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else
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{
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CCX_SAFE_RELEASE_NULL(pAction);
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}
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}
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return pAction;
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}
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bool CCLens3D::initWithPosition(cocos2d::CGPoint pos, float r, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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if (CCGrid3DAction::initWithSize(gridSize, duration))
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{
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m_position = pos;
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m_fRadius = r;
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m_fLensEffect = 0.7f;
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m_lastPosition = ccp(-1, -1);
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return true;
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}
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return false;
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}
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NSObject* CCLens3D::copyWithZone(cocos2d::NSZone *pZone)
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{
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NSZone* pNewZone = NULL;
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CCLens3D* pCopy = NULL;
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if(pZone && pZone->m_pCopyObject)
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{
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//in case of being called at sub class
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pCopy = (CCLens3D*)(pZone->m_pCopyObject);
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}
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else
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{
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pCopy = new CCLens3D();
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pZone = pNewZone = new NSZone(pCopy);
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}
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CCGrid3DAction::copyWithZone(pZone);
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pCopy->initWithPosition(m_position, m_fRadius, m_sGridSize, m_fDuration);
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CCX_SAFE_DELETE(pNewZone);
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return pCopy;
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}
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void CCLens3D::update(cocos2d::ccTime time)
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{
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if (m_position.x != m_lastPosition.x || m_position.y != m_lastPosition.y )
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{
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int i, j;
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for (i = 0; i < m_sGridSize.x + 1; ++i)
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{
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for (j = 0; j < m_sGridSize.y + 1; ++j)
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{
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ccVertex3F v = originalVertex(ccg(i, j));
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CGPoint vect = ccpSub(m_position, ccp(v.x, v.y));
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CGFloat r = ccpLength(vect);
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if (r < m_fRadius)
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{
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r = m_fRadius - r;
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CGFloat pre_log = r / m_fRadius;
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if ( pre_log == 0 )
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{
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pre_log = 0.001f;
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}
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float l = logf(pre_log) * m_fLensEffect;
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float new_r = expf( l ) * m_fRadius;
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if (ccpLength(vect) > 0)
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{
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vect = ccpNormalize(vect);
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CGPoint new_vect = ccpMult(vect, new_r);
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v.z += ccpLength(new_vect) * m_fLensEffect;
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}
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}
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setVertex(ccg(i, j), v);
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}
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}
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m_lastPosition = m_position;
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}
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}
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// implementation of Ripple3D
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CCRipple3D* CCRipple3D::actionWithPosition(cocos2d::CGPoint pos, float r, int wav, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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CCRipple3D *pAction = new CCRipple3D();
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if (pAction)
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{
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if (pAction->initWithPosition(pos, r, wav, amp, gridSize, duration))
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{
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pAction->autorelease();
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}
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else
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{
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CCX_SAFE_RELEASE_NULL(pAction);
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}
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}
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return pAction;
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}
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bool CCRipple3D::initWithPosition(cocos2d::CGPoint pos, float r, int wav, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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if (CCGrid3DAction::initWithSize(gridSize, duration))
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{
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m_position = pos;
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m_fRadius = r;
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m_nWaves = wav;
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m_fAmplitude = amp;
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m_fAmplitudeRate = 1.0f;
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return true;
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}
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return false;
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}
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NSObject* CCRipple3D::copyWithZone(cocos2d::NSZone *pZone)
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{
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NSZone* pNewZone = NULL;
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CCRipple3D* pCopy = NULL;
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if(pZone && pZone->m_pCopyObject)
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{
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//in case of being called at sub class
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pCopy = (CCRipple3D*)(pZone->m_pCopyObject);
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}
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else
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{
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pCopy = new CCRipple3D();
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pZone = pNewZone = new NSZone(pCopy);
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}
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CCGrid3DAction::copyWithZone(pZone);
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pCopy->initWithPosition(m_position, m_fRadius, m_nWaves, m_fAmplitude, m_sGridSize, m_fDuration);
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CCX_SAFE_DELETE(pNewZone);
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return pCopy;
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}
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void CCRipple3D::update(cocos2d::ccTime time)
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{
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int i, j;
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for (i = 0; i < (m_sGridSize.x+1); ++i)
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{
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for (j = 0; j < (m_sGridSize.y+1); ++j)
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{
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ccVertex3F v = originalVertex(ccg(i, j));
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CGPoint vect = ccpSub(m_position, ccp(v.x,v.y));
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CGFloat r = ccpLength(vect);
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if (r < m_fRadius)
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{
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r = m_fRadius - r;
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CGFloat rate = powf(r / m_fRadius, 2);
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v.z += (sinf( time*(CGFloat)M_PI * m_nWaves * 2 + r * 0.1f) * m_fAmplitude * m_fAmplitudeRate * rate);
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}
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setVertex(ccg(i, j), v);
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}
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}
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}
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// implementation of Shaky3D
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CCShaky3D* CCShaky3D::actionWithRange(int range, bool shakeZ, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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CCShaky3D *pAction = new CCShaky3D();
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if (pAction)
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{
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if (pAction->initWithRange(range, shakeZ, gridSize, duration))
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{
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pAction->autorelease();
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}
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else
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{
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CCX_SAFE_RELEASE_NULL(pAction);
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}
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}
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return pAction;
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}
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bool CCShaky3D::initWithRange(int range, bool shakeZ, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
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{
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if (CCGrid3DAction::initWithSize(gridSize, duration))
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{
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m_nRandrange = range;
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m_bShakeZ = shakeZ;
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|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
NSObject* CCShaky3D::copyWithZone(cocos2d::NSZone *pZone)
|
|
{
|
|
NSZone* pNewZone = NULL;
|
|
CCShaky3D* pCopy = NULL;
|
|
if(pZone && pZone->m_pCopyObject)
|
|
{
|
|
//in case of being called at sub class
|
|
pCopy = (CCShaky3D*)(pZone->m_pCopyObject);
|
|
}
|
|
else
|
|
{
|
|
pCopy = new CCShaky3D();
|
|
pZone = pNewZone = new NSZone(pCopy);
|
|
}
|
|
|
|
CCGrid3DAction::copyWithZone(pZone);
|
|
|
|
pCopy->initWithRange(m_nRandrange, m_bShakeZ, m_sGridSize, m_fDuration);
|
|
|
|
CCX_SAFE_DELETE(pNewZone);
|
|
return pCopy;
|
|
}
|
|
|
|
void CCShaky3D::update(cocos2d::ccTime time)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 0; i < (m_sGridSize.x+1); ++i)
|
|
{
|
|
for (j = 0; j < (m_sGridSize.y+1); ++j)
|
|
{
|
|
ccVertex3F v = originalVertex(ccg(i ,j));
|
|
v.x += (rand() % (m_nRandrange*2)) - m_nRandrange;
|
|
v.y += (rand() % (m_nRandrange*2)) - m_nRandrange;
|
|
if (m_bShakeZ)
|
|
{
|
|
v.z += (rand() % (m_nRandrange*2)) - m_nRandrange;
|
|
}
|
|
|
|
setVertex(ccg(i, j), v);
|
|
}
|
|
}
|
|
}
|
|
|
|
// implementation of Liquid
|
|
|
|
CCLiquid* CCLiquid::actionWithWaves(int wav, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
|
|
{
|
|
CCLiquid *pAction = new CCLiquid();
|
|
|
|
if (pAction)
|
|
{
|
|
if (pAction->initWithWaves(wav, amp, gridSize, duration))
|
|
{
|
|
pAction->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CCX_SAFE_RELEASE_NULL(pAction);
|
|
}
|
|
}
|
|
|
|
return pAction;
|
|
}
|
|
|
|
bool CCLiquid::initWithWaves(int wav, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
|
|
{
|
|
if (CCGrid3DAction::initWithSize(gridSize, duration))
|
|
{
|
|
m_nWaves = wav;
|
|
m_fAmplitude = amp;
|
|
m_fAmplitudeRate = 1.0f;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
NSObject* CCLiquid::copyWithZone(cocos2d::NSZone *pZone)
|
|
{
|
|
NSZone* pNewZone = NULL;
|
|
CCLiquid* pCopy = NULL;
|
|
if(pZone && pZone->m_pCopyObject)
|
|
{
|
|
//in case of being called at sub class
|
|
pCopy = (CCLiquid*)(pZone->m_pCopyObject);
|
|
}
|
|
else
|
|
{
|
|
pCopy = new CCLiquid();
|
|
pZone = pNewZone = new NSZone(pCopy);
|
|
}
|
|
|
|
CCGrid3DAction::copyWithZone(pZone);
|
|
|
|
pCopy->initWithWaves(m_nWaves, m_fAmplitude, m_sGridSize, m_fDuration);
|
|
|
|
CCX_SAFE_DELETE(pNewZone);
|
|
return pCopy;
|
|
}
|
|
|
|
void CCLiquid::update(cocos2d::ccTime time)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 1; i < m_sGridSize.x; ++i)
|
|
{
|
|
for (j = 1; j < m_sGridSize.y; ++j)
|
|
{
|
|
ccVertex3F v = originalVertex(ccg(i, j));
|
|
v.x = (v.x + (sinf(time * (CGFloat)M_PI * m_nWaves * 2 + v.x * .01f) * m_fAmplitude * m_fAmplitudeRate));
|
|
v.y = (v.y + (sinf(time * (CGFloat)M_PI * m_nWaves * 2 + v.y * .01f) * m_fAmplitude * m_fAmplitudeRate));
|
|
setVertex(ccg(i, j), v);
|
|
}
|
|
}
|
|
}
|
|
|
|
// implementation of Waves
|
|
|
|
CCWaves* CCWaves::actionWithWaves(int wav, float amp, bool h, bool v, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
|
|
{
|
|
CCWaves *pAction = new CCWaves();
|
|
|
|
if (pAction)
|
|
{
|
|
if (pAction->initWithWaves(wav, amp, h, v, gridSize, duration))
|
|
{
|
|
pAction->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CCX_SAFE_RELEASE_NULL(pAction);
|
|
}
|
|
}
|
|
|
|
return pAction;
|
|
}
|
|
|
|
bool CCWaves::initWithWaves(int wav, float amp, bool h, bool v, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
|
|
{
|
|
if (CCGrid3DAction::initWithSize(gridSize, duration))
|
|
{
|
|
m_nWaves = wav;
|
|
m_fAmplitude = amp;
|
|
m_fAmplitudeRate = 1.0f;
|
|
m_bHorizontal = h;
|
|
m_bVertical = v;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
NSObject* CCWaves::copyWithZone(cocos2d::NSZone *pZone)
|
|
{
|
|
NSZone* pNewZone = NULL;
|
|
CCWaves* pCopy = NULL;
|
|
if(pZone && pZone->m_pCopyObject)
|
|
{
|
|
//in case of being called at sub class
|
|
pCopy = (CCWaves*)(pZone->m_pCopyObject);
|
|
}
|
|
else
|
|
{
|
|
pCopy = new CCWaves();
|
|
pZone = pNewZone = new NSZone(pCopy);
|
|
}
|
|
|
|
CCGrid3DAction::copyWithZone(pZone);
|
|
|
|
pCopy->initWithWaves(m_nWaves, m_fAmplitude, m_bHorizontal, m_bVertical, m_sGridSize, m_fDuration);
|
|
|
|
CCX_SAFE_DELETE(pNewZone);
|
|
return pCopy;
|
|
}
|
|
|
|
void CCWaves::update(cocos2d::ccTime time)
|
|
{
|
|
int i, j;
|
|
|
|
for (i = 0; i < m_sGridSize.x + 1; ++i)
|
|
{
|
|
for (j = 0; j < m_sGridSize.y + 1; ++j)
|
|
{
|
|
ccVertex3F v = originalVertex(ccg(i, j));
|
|
|
|
if (m_bVertical)
|
|
{
|
|
v.x = (v.x + (sinf(time * (CGFloat)M_PI * m_nWaves * 2 + v.y * .01f) * m_fAmplitude * m_fAmplitudeRate));
|
|
}
|
|
|
|
if (m_bHorizontal)
|
|
{
|
|
v.y = (v.y + (sinf(time * (CGFloat)M_PI * m_nWaves * 2 + v.x * .01f) * m_fAmplitude * m_fAmplitudeRate));
|
|
}
|
|
|
|
setVertex(ccg(i, j), v);
|
|
}
|
|
}
|
|
}
|
|
|
|
// implementation of Twirl
|
|
|
|
CCTwirl* CCTwirl::actionWithPosition(cocos2d::CGPoint pos, int t, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
|
|
{
|
|
CCTwirl *pAction = new CCTwirl();
|
|
|
|
if (pAction)
|
|
{
|
|
if (pAction->initWithPosition(pos, t, amp, gridSize, duration))
|
|
{
|
|
pAction->autorelease();
|
|
}
|
|
else
|
|
{
|
|
CCX_SAFE_RELEASE_NULL(pAction);
|
|
}
|
|
}
|
|
|
|
return pAction;
|
|
}
|
|
|
|
bool CCTwirl::initWithPosition(cocos2d::CGPoint pos, int t, float amp, cocos2d::ccGridSize gridSize, cocos2d::ccTime duration)
|
|
{
|
|
if (CCGrid3DAction::initWithSize(gridSize, duration))
|
|
{
|
|
m_position = pos;
|
|
m_nTwirls = t;
|
|
m_fAmplitude = amp;
|
|
m_fAmplitudeRate = 1.0f;
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
NSObject* CCTwirl::copyWithZone(cocos2d::NSZone *pZone)
|
|
{
|
|
NSZone* pNewZone = NULL;
|
|
CCTwirl* pCopy = NULL;
|
|
if(pZone && pZone->m_pCopyObject)
|
|
{
|
|
//in case of being called at sub class
|
|
pCopy = (CCTwirl*)(pZone->m_pCopyObject);
|
|
}
|
|
else
|
|
{
|
|
pCopy = new CCTwirl();
|
|
pZone = pNewZone = new NSZone(pCopy);
|
|
}
|
|
|
|
CCGrid3DAction::copyWithZone(pZone);
|
|
|
|
|
|
pCopy->initWithPosition(m_position, m_nTwirls, m_fAmplitude, m_sGridSize, m_fDuration);
|
|
|
|
CCX_SAFE_DELETE(pNewZone);
|
|
return pCopy;
|
|
}
|
|
|
|
void CCTwirl::update(cocos2d::ccTime time)
|
|
{
|
|
int i, j;
|
|
CGPoint c = m_position;
|
|
|
|
for (i = 0; i < (m_sGridSize.x+1); ++i)
|
|
{
|
|
for (j = 0; j < (m_sGridSize.y+1); ++j)
|
|
{
|
|
ccVertex3F v = originalVertex(ccg(i ,j));
|
|
|
|
CGPoint avg = ccp(i-(m_sGridSize.x/2.0f), j-(m_sGridSize.y/2.0f));
|
|
CGFloat r = ccpLength(avg);
|
|
|
|
CGFloat amp = 0.1f * m_fAmplitude * m_fAmplitudeRate;
|
|
CGFloat a = r * cosf( (CGFloat)M_PI/2.0f + time * (CGFloat)M_PI * m_nTwirls * 2 ) * amp;
|
|
|
|
CGPoint d;
|
|
|
|
d.x = sinf(a) * (v.y-c.y) + cosf(a) * (v.x-c.x);
|
|
d.y = cosf(a) * (v.y-c.y) - sinf(a) * (v.x-c.x);
|
|
|
|
v.x = c.x + d.x;
|
|
v.y = c.y + d.y;
|
|
|
|
setVertex(ccg(i ,j), v);
|
|
}
|
|
}
|
|
}
|
|
|
|
} // end of namespace cocos2d
|