1.给出n+1个控制点pk=(xk,yk,zk),这里k可取值0-n,多项式函数公式如下获取的单个点的代码 voidzmBezier::getPoint(floatu,doublep[3]){intn=m_count-1;doublex=0,y=0,z=0;for(intk=0;k<=n;k++){x+=m_ctrlPoint