\#include <stdio.h>
int main()
{
FILE * fout = fopen("file.txt", "w");
printf("Hello World\n");
fprintf(fout, "Hello World在檔案裡\n");
}
#include <stdio.h>
int main()
{
FILE * fin = fopen("file.txt", "r");
char line{100};
fscanf(fin, "%s",line);
printf("從file.txt讀到了: %s\n",line);
fscanf(fin, "%s", line);
printf("從file.txt讀到了: %s\n",line);02
}
#include <stdio.h>
int main()
{
int a[10] = (10,20,30,40,50,60,70,80,90,100);
int b[10] = ();
FILE * fout = fopen("file.txt","w");
for(int i=0;i<10;i++){
printf("%d", a[i]);
fprintf(fout, "%d", a[i]);
}
printf("\n");
fprintf(fout, "\n");
fclose(fout);
FILE * fin =fopen("file3.txt", "r");
for(int i=0;i<10; i++){
fscanf(fin, "%d", &b[i]);
printf("b%d:%d", i,b[i]);
}
fclose(fin);
}
#include <stdio.h>
#include <GL/glut.h>
void display{}
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glutSolidTeapot( 0.3 );
glutSwapBuffers();
}
void mouse(int button, int state, int x,int y)
{
if(state==GLUT_DOWN){
teapotX = (x-150)/150.0;
teapotY = (150-y)/150.0;
}
display();
}
int main(int argc,char** argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
glutCreateWindow("week12");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutMainLoop();
}
會動的茶壺
#include<stdio.h>
#include<GL/glut.h>
FILE *fout=NULL;
FILE *fin=NULL;
float teapotX=0,teapotY=0;
void display()
{
glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glTranslatef(teapotX,teapotY,0);
glutSolidTeapot(0.3);
glPopMatrix();
glutSwapBuffers();
}
void mouse(int button, int state,int x,int y)
{
if(state==GLUT_DOWN){
teapotX=(x-150)/150.0;
teapotY=(150-y)/150.0;
if(fout==NULL)fout=fopen("file4.txt","w");
fprintf(fout,"%f %f\n",teapotX,teapotY);
}
display();
}
void keyboard(unsigned char key,int x,int y)
{
if(fin==NULL){
fclose(fout);
fin=fopen("file4.txt","r");
}
fscanf(fin,"%f %f",&teapotX,&teapotY);
display();
}
int main(int argc,char** argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week12");
glutDisplayFunc(display);
glutMouseFunc(mouse);
glutKeyboardFunc(keyboard);
glutMainLoop();
}
沒有留言:
張貼留言