【计算机图形学】四、B样条曲线的生成

1.算法

2. 源代码

#include "stdafx.h"


#include "GL/glut.h"
#include "stdlib.h"

void init()
{
	glClearColor(1.0,1.0,1.0,0.0);
	
	glMatrixMode(GL_PROJECTION);
	gluOrtho2D(0.0,600.0,0.0,400.0);
}

typedef struct point
{
	float x,y;
}point;

void setPixel(point BsplinePt)
{
	glBegin(GL_POINTS);
	glVertex2f(BsplinePt.x,BsplinePt.y);
	glEnd();
}

float polyNomial(int k,int d,float u)
{
	if(d==1)
	{
		if(u