Week 14 張歆

課堂作業1
檔案讀寫
開啟貝殼專案 File - New - Project 選右上貝殼

程式碼：
#include <stdio.h>
FILE *fout=NULL, *fin=NULL;
int main(int argc, char**argv)
{
    if(fout==NULL)fout=fopen("output.txt", "w+"),
    fprintf(fout,"Hell World\n");
   }

課堂作業2
目錄




拉進資料夾


程式碼：
#include <GL/glut.h>
#include <stdio.h>
FILE *fout=NULL,*fin=NULL;

void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glutSolidTeapot(0.3);
    glutSwapBuffers();
}

void motion(int x,int y)
{
    if (fout==NULL) fout=fopen("motion.txt","w+");
    fprintf(fout,"%d,%d\n",x,y);
    printf ("%d,%d\n",x,y);
}
int main (int argc,char *argv[])
{
   glutInit(&argc,argv);
   glutInitDisplayMode (GLUT_DOUBLE | GLUT_DEPTH);
   glutCreateWindow ("3D");
   glutDisplayFunc(display);
   glutMotionFunc(motion);
   glutMainLoop();
}

執行


課堂作業3
按鍵盤r移動茶壺
程式碼：
#include <GL/glut.h>
#include <stdio.h>
FILE*fout=NULL,*fin=NULL;
int nowX=0,nowY=0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glTranslatef((nowX-150)/150.0,(nowY-150)/150.0,0);
        glutSolidTeapot(0.3);
    glPopMatrix();
    glutSwapBuffers();

}
void motion(int x,int y)
{
    if(fout==NULL) fout=fopen("output.txt","w+");
    fprintf(fout, "%d %d\n", x, y);
    printf("%d %d\n", x, y);
}
void keyboard(unsigned char key,int x,int y)
{
    if(key=='r'){
        if(fin==NULL)fin=fopen("output.txt","r");
        fscanf(fin,"%d %d",&nowX,&nowY);
        printf("%d %d\n", nowX, nowY);
    }
    glutPostRedisplay();
}
int main(int argc,char **argv)
{
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("3D");
    glutDisplayFunc(display);
    glutMotionFunc(motion);
    glutKeyboardFunc(keyboard);
    glutMainLoop();
}

執行

課堂作業4