自定义的方法

Circle.h

1 // 2 //  Circle.h 3 //  L01DrawingAPI 4 // 5 //  Created by Mac OS 10.9.3 on 15-3-30. 6 // 7 // 8  9 #ifndef __L01DrawingAPI__Circle__10 #define __L01DrawingAPI__Circle__11 12 #include 
     
      13 #include 
      
       14 15 using namespace cocos2d;16 17 namespace bobo {18     19     class Circle:public Node{20 21     public:22         23         virtual bool init();24         virtual void draw();25         CREATE_FUNC(Circle);26         27     };28 }29 30 #endif /* defined(__L01DrawingAPI__Circle__) */
      
     

Circle.cpp

1 // 2 //  Circle.cpp 3 //  L01DrawingAPI 4 // 5 //  Created by Mac OS 10.9.3 on 15-3-30. 6 // 7 // 8  9 #include "Circle.h"10 11 namespace bobo {12     13     bool Circle::init(){14         return true;15     }16     17     void Circle::draw(){18         19         //float scaleX, float scaleY指的是对x，y轴的缩放20         //DrawPrimitives::drawCircle(const cocos2d::Point &center, float radius,21         //                                   float angle, unsigned int segments,22         //                                   bool drawLineToCenter, float scaleX,23         //                                   float scaleY);24         25         //绘制圆形，（圆心，半径，角度（单位是弧度，现在是360度），26         //边的个数，是否绘制一条连接到圆心的线）27         //边的数是几就是正几边型28         //DrawPrimitives::drawCircle(Point(0, 0), 50, M_PI * 2, 3, true);29         //DrawPrimitives::drawCircle(Point(0, 0), 50, M_PI * 2, 5, true);30         DrawPrimitives::drawCircle(Point(0, 0), 50, M_PI * 2, 100, true);31     }32 }

在bool HelloWorld::init()中

 

auto c = bobo::Circle::create();

    c->setPosition(Point(400, 100));

    addChild(c);