shujujiegou.rar_visual c

#include <windows.h> #include <stdio.h> #include <math.h> #include <GL/glu.h> #include <GL/gl.h> #include <GL/glaux.h> #pragma comment(lib,"opengl32.lib") #pragma comment(lib,"glu32.lib") #pragma comment(lib,"glaux.lib") void InitGL(void) { auxInitDisplayMode(AUX_SINGLE|AUX_RGBA); auxInitPosition(0,0,640,480); auxInitWindow("picture"); glClearColor(0.0,0.0,0.0,0.0);//背景颜色 glClear(GL_COLOR_BUFFER_BIT); } void CALLBACK ReDraw(GLsizei w,GLsizei h) { glViewport(0,0,w,h); glMatrixMode(GL_PROJECTION); glLoadIdentity(); glOrtho(-320.0,320.0,-240.0,240.0,-300,300); glMatrixMode(GL_MODELVIEW); glLoadIdentity(); } //线 void CALLBACK Draw1() { glClear(GL_COLOR_BUFFER_BIT); glLoadIdentity(); glBegin(GL_LINE_STRIP); glLineWidth(5); glColor3f(0.0,1.0,0.0); glVertex2s(-35,-220); glVertex2s(-35,-100); glVertex2s(-250,-150); glVertex2s(-50,0); glVertex2s(-180,-50); glVertex2s(-25,100); glVertex2s(-100,50); glVertex2s(0,200); glVertex2s(100,50); glVertex2s(25,100); glVertex2s(180,-50); glVertex2s(50,0); glVertex2s(250,-150); glVertex2s(35,-100); glVertex2s(35,-220); glVertex2s(-35,-220); glEnd(); glFlush(); } //矩形 void rectangle() { int x1,y1,x2,y2; x1=y1=0; x2=100;y2=50; glBegin(GL_LINE_LOOP); glVertex2s(x1,y1); glVertex2s(x1,y2); glVertex2s(x2,y2); glVertex2s(x2,y1); glEnd(); glFlush(); } void CALLBACK Draw2() { int i; glClear(GL_COLOR_BUFFER_BIT); glLoadIdentity(); glLineWidth(4); glColor3f(0.0,1.0,1.0); for(i=0;i<6;i++) { glRotatef(60,0.0,0.0,1.0); rectangle(); Sleep(500); } glEnd(); glFlush(); } //圆形 void circle() { int x0=50,y0=50,r=100;//以(0,0)为坐标原点画的圆 int i,n=20; float st; st=(360.0/n)*(3.14/180); glBegin(GL_LINE_LOOP); for(i=0;i<n;i++) glVertex2f(x0+r*cos(i*st),y0+r*sin(i*st)); glEnd(); glFlush(); } void CALLBACK Draw3() { int i; glClear(GL_COLOR_BUFFER_BIT); glLoadIdentity(); glLineWidth(4); glColor3f(0.0,0.0,1.0); for(i=0;i<18;i++) { glRotatef(20,0.0,0.0,1.0); circle(); Sleep(500); } glEnd(); glFlush(); } void main(int argc,char** argv) { InitGL(); auxReshapeFunc(ReDraw); printf("*************** \n"); printf(" 1.直线 \n"); printf(" 2.矩形 \n"); printf(" 3.圆形 \n"); printf("*************** \n"); printf("输入所选的数字:"); int choice; scanf("%d",&choice); switch(choice) { case 1: auxMainLoop(Draw1);break; case 2: auxMainLoop(Draw2);break; case 3: auxMainLoop(Draw3);break; case 0: exit(0); } }