绘制图形

voidGameBgLayer::draw(Renderer *renderer,const Mat4 &transform,uint32_t flags)

{

    glLineWidth(2);

    DrawPrimitives::setDrawColor4B(255,0, 0,128);

    Point filledVertices[] = {Point(200,100),Point(800,100),Point(500,600)};

    DrawPrimitives::drawSolidPoly(filledVertices,3, Color4F(0.5f,0.5f, 1, 1 ));

   //这里绘制内部填充指定色彩的多边形

virtual void draw(Renderer *renderer, const Mat4 &transform, uint32_t flags);

}