cocos2dx 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);
}