課堂作業1
建立一個貝殼專案
打入程式碼:
#include <stdio.h>
FILE *fout=NULL, *fin=NULL;
int main(int argc,char**argv)
{
if(fout==NULL) fout=fopen("output.txt","w++");
///printf("Hello World\n");
fprintf(fout, "Hello world\n");
}
執行,會產生一個txt檔案
課堂作業2
build option => 加入 include.lib 和 5個咒語
打入程式碼:
#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("hello");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutMainLoop();
}
執行後,移動滑鼠=> 跑出數據後關閉
數據會存入txt 檔
課堂作業3
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("motion.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("motion.txt","r");
fscanf( fin,"%d %d\n",&nowX,&nowY);
printf("%d %d\n",nowX,nowY);
}
glutPostRedisplay();///請電腦貼個公告,有空就display
}
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_DOUBLE |GLUT_DEPTH);
glutCreateWindow("hello");
glutDisplayFunc(display);
glutMotionFunc(motion);
glutKeyboardFunc(keyboard);
glutMainLoop();
}
執行,用滑鼠點螢幕會跑出數據
關閉在執行,按r=>會執行剛剛的移動數據

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