mirror of https://github.com/axmolengine/axmol.git
219 lines
6.9 KiB
C++
219 lines
6.9 KiB
C++
/*
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* Copyright (c) 2012 cocos2d-x.org
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* cocos2d for iPhone: http://www.cocos2d-iphone.org
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*
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* Copyright (c) 2008 Radu Gruian
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*
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* Copyright (c) 2011 Vit Valentin
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*
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*
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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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*
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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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*
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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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*
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* Original code by Radu Gruian: http://www.codeproject.com/Articles/30838/Overhauser-Catmull-Rom-Splines-for-Camera-Animatio.So
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*
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* Adapted to cocos2d-x by Vit Valentin
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*
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* Adapted from cocos2d-x to cocos2d-iphone by Ricardo Quesada
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*/
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#ifndef __CCACTION_CATMULLROM_H__
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#define __CCACTION_CATMULLROM_H__
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#include <vector>
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#include "CCActionInterval.h"
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#include "base_nodes/CCNode.h"
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#include "cocoa/CCGeometry.h"
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NS_CC_BEGIN;
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/**
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* @addtogroup actions
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* @{
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*/
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/** An Array that contain control points.
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Used by CCCardinalSplineTo and (By) and CCCatmullRomTo (and By) actions.
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@ingroup Actions
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*/
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class CC_DLL CCPointArray : public CCObject
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{
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public:
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/** creates and initializes a Points array with capacity */
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static CCPointArray* create(unsigned int capacity);
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virtual ~CCPointArray();
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CCPointArray();
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/** initializes a Catmull Rom config with a capacity hint */
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bool initWithCapacity(unsigned int capacity);
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/** appends a control point */
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void addControlPoint(CCPoint controlPoint);
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/** inserts a controlPoint at index */
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void insertControlPoint(CCPoint &controlPoint, unsigned int index);
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/** replaces an existing controlPoint at index */
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void replaceControlPoint(CCPoint &controlPoint, unsigned int index);
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/** get the value of a controlPoint at a given index */
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CCPoint getControlPointAtIndex(unsigned int index);
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/** deletes a control point at a given index */
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void removeControlPointAtIndex(unsigned int index);
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/** returns the number of objects of the control point array */
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unsigned int count();
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/** returns a new copy of the array reversed. User is responsible for releasing this copy */
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CCPointArray* reverse();
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/** reverse the current control point array inline, without generating a new one */
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void reverseInline();
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virtual CCObject* copyWithZone(CCZone *zone);
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const std::vector<CCPoint*>* getControlPoints();
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void setControlPoints(std::vector<CCPoint*> *controlPoints);
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private:
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/** Array that contains the control points */
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std::vector<CCPoint*> *_controlPoints;
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};
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/** Cardinal Spline path.
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http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Cardinal_spline
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@ingroup Actions
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*/
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class CC_DLL CCCardinalSplineTo : public CCActionInterval
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{
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public:
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/** creates an action with a Cardinal Spline array of points and tension */
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static CCCardinalSplineTo* create(float duration, CCPointArray* points, float tension);
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virtual ~CCCardinalSplineTo();
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CCCardinalSplineTo();
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/** initializes the action with a duration and an array of points */
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bool initWithDuration(float duration, CCPointArray* points, float tension);
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// super virtual functions
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/** returns a new clone of the action */
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virtual CCCardinalSplineTo *clone() const;
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virtual CCCardinalSplineTo* copyWithZone(CCZone* pZone);
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virtual void startWithTarget(CCNode *pTarget);
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virtual void update(float time);
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virtual CCActionInterval* reverse();
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virtual void updatePosition(CCPoint &newPos);
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inline CCPointArray* getPoints() { return _points; }
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inline void setPoints(CCPointArray* points)
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{
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CC_SAFE_RETAIN(points);
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CC_SAFE_RELEASE(_points);
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_points = points;
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}
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protected:
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/** Array of control points */
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CCPointArray *_points;
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float _deltaT;
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float _tension;
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CCPoint _previousPosition;
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CCPoint _accumulatedDiff;
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};
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/** Cardinal Spline path.
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http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Cardinal_spline
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@ingroup Actions
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*/
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class CC_DLL CCCardinalSplineBy : public CCCardinalSplineTo
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{
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public:
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/** creates an action with a Cardinal Spline array of points and tension */
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static CCCardinalSplineBy* create(float duration, CCPointArray* points, float tension);
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CCCardinalSplineBy();
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virtual void startWithTarget(CCNode *pTarget);
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virtual CCActionInterval* reverse();
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virtual void updatePosition(CCPoint &newPos);
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/** returns a new clone of the action */
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virtual CCCardinalSplineBy *clone() const;
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protected:
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CCPoint _startPosition;
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};
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/** An action that moves the target with a CatmullRom curve to a destination point.
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A Catmull Rom is a Cardinal Spline with a tension of 0.5.
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http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Catmull.E2.80.93Rom_spline
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@ingroup Actions
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*/
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class CC_DLL CCCatmullRomTo : public CCCardinalSplineTo
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{
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public:
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/** creates an action with a Cardinal Spline array of points and tension */
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static CCCatmullRomTo* create(float dt, CCPointArray* points);
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/** initializes the action with a duration and an array of points */
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bool initWithDuration(float dt, CCPointArray* points);
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/** returns a new clone of the action */
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virtual CCCatmullRomTo *clone() const;
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};
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/** An action that moves the target with a CatmullRom curve by a certain distance.
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A Catmull Rom is a Cardinal Spline with a tension of 0.5.
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http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Catmull.E2.80.93Rom_spline
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@ingroup Actions
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*/
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class CC_DLL CCCatmullRomBy : public CCCardinalSplineBy
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{
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public:
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/** creates an action with a Cardinal Spline array of points and tension */
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static CCCatmullRomBy* create(float dt, CCPointArray* points);
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/** initializes the action with a duration and an array of points */
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bool initWithDuration(float dt, CCPointArray* points);
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/** returns a new clone of the action */
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virtual CCCatmullRomBy *clone() const;
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};
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/** Returns the Cardinal Spline position for a given set of control points, tension and time */
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extern CC_DLL CCPoint ccCardinalSplineAt(CCPoint &p0, CCPoint &p1, CCPoint &p2, CCPoint &p3, float tension, float t);
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// end of actions group
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/// @}
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NS_CC_END;
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#endif // __CCACTION_CATMULLROM_H__
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