cocos2d-x 简单OpenGL 画图

void testNode::draw(){



    



    CCSize s = CCDirector::sharedDirector()->getWinSize();



    //线



    glLineWidth( 5.0f ); //线宽



    ccDrawColor4B(255,0,0,255);//画笔颜色



    ccDrawLine( CCPointMake(0, s.height/2), CCPointMake(s.width, s.height/2)



               );//画一条线



    ccDrawLine( CCPointMake(s.width/2, 0), CCPointMake(s.width/2, s.height));



//    //方块



    ccPointSize(64); //设置方块的大小



    ccDrawColor4B(0,0,255,128);



    ccDrawPoint(ccp(s.width/2, s.height/2));//位置



//    //ccDrawPoint方法也可以实现自定点的四边形



    CCPoint points[] = { ccp(60,60), ccp(70,70), ccp(60,70), ccp(70,60) };



// //也可以群画



    ccPointSize(4);//设置大小



    ccDrawColor4B(0,255,255,255);



    ccDrawPoints( points, 4);//ccDrawPointsvoid



//    ccDrawPoints( const CCPoint *points, unsigned int numberOfPoints )



////    points 位置 numberOfPoints 个数



//    //画圆形



    glLineWidth(0.5f);



    ccDrawColor4B(0, 255, 0, 255);



    ccDrawCircle(ccp(s.width/2, s.height/2), 100, 0, 20, false);



//    //1，位置2，半径，3角度，4段 5，是否连接上



//    



//    //不规则形状



    ccDrawColor4B(255, 255, 0, 255);



    glLineWidth(0.5f);



    CCPoint vertices[] = { ccp(0,0), ccp(50,50), ccp(100,50), ccp(100,100), ccp(50,100) };



    ccDrawPoly( vertices, 5, false);



//    //false 如果改为 ture 会无论画到那都会把开始点和结束点连接上



//    



//    //不规则实体形状



//    glLineWidth(1);



CCPoint filledVertices[] = { ccp(0,120), ccp(50,120), ccp(50,170), ccp(25,200), ccp(0,170) };



ccDrawSolidPoly(filledVertices, 5, ccc4f(0.5f, 0.5f, 1, 1 ) );



//



    //画四贝塞尔曲线路径



    ccDrawQuadBezier(ccp(100, 100), ccp(200, 200), ccp(300, 100), 30);



//    //开始点控制点结束点分割段数



    //画立方贝塞尔曲线路径



     ccDrawCubicBezier(ccp(s.width/2, s.height/2), ccp(s.width/2+30, s.height/2+50), ccp(s.width/2-30, s.height/2+50),ccp(200, 200),100);



    //不规则平行四边形



    CCPoint vertices3[] = {ccp(60,160), ccp(70,190), ccp(100,190), ccp(90,160)};



    ccDrawSolidPoly( vertices3, 4, ccc4f(1,1,0,1) );



    



    // restore original values



    glLineWidth(1);



    ccDrawColor4B(255,255,255,255);



    ccPointSize(1);

}