產生一個文字檔在freeglut,bin裡面。
#include <stdio.h>
int main(int argc,char**argv)
{
FILE*fout = NULL;
fout = fopen("檔名.txt","w+");
printf ( "Hello World\n");
fprintf ( fout,"Hello World\n");
}
用notepad++開啟week15-file.cbp更改儲存位置。
#include <stdio.h>
int main(int argc,char**argv)
{
///FILE*fout = NULL;
///fout = fopen("檔名.txt","w+");
///printf ( "Hello World\n");
///fprintf ( fout,"Hello World\n");
FILE*fin = NULL;
fin = fopen("檔名.txt","r");
///scanf ("%d",&n);
///scanf ("%f",&f);
///scanf ("%c",&c);
///scanf ("%s",line);
char line[100];
fscanf(fin,"%s",line);
printf("你讀到了字串: %s\n",line);
fscanf(fin,"%s",line);
printf("你讀到了字串: %s\n",line);
}
*注意有可能因為萬國碼導致跑不出中文*
#include <stdio.h>///可割可棄
#include <GL/glut.h>
float angle=0,diff=2;
void timer(int t)
{
glutTimerFunc(30, timer,t+1);
angle+=diff;
if (angle>90) diff=-2;
if (angle<0) diff=+2;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
//glutSolidTeapot( 0.3 );///身體
glPushMatrix();
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle,0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glPushMatrix();
//glutSolidTeapot( 0.3 );///左手肘(重疊了)
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main( int argc, char ** argv )
{
glutInit( &argc, argv );
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week15 file");
glutDisplayFunc(display);
glutTimerFunc(0,timer,0);
glutMainLoop();
}
把當初省略的地方改回去
#include <stdio.h>///可割可棄
#include <GL/glut.h>
float angle=0,diff=2;
void timer(int t)
{
glutTimerFunc(30, timer,t+1);
angle+=diff;
if (angle>90) diff=-2;
if (angle<0) diff=+2;
glutPostRedisplay();
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glutSolidTeapot( 0.3 );///身體
glPushMatrix();
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle,0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glPushMatrix();
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle,0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glutSolidTeapot( 0.3 );///左手肘(重疊了)
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main( int argc, char ** argv )
{
glutInit( &argc, argv );
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week15 file");
glutDisplayFunc(display);
glutTimerFunc(0,timer,0);
glutMainLoop();
}
現在可以用1,0來控制茶壺
#include <stdio.h>///可割可棄
#include <GL/glut.h>
float angle[20]={},diff=2;
int angleID=0; ///現在要改第幾個角度
void timer(int t)
{
glutTimerFunc(30, timer,t+1);
angle[angleID]+=diff;
if (angle[angleID]>90) diff=-2;
if (angle[angleID]<0) diff=+2;
glutPostRedisplay();
}
void keyboard(unsigned char key,int x,int y)
{
if (key == '1') angleID=1;
if (key == '0') angleID=0;
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glutSolidTeapot( 0.3 );///身體
glPushMatrix();
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle[0],0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glPushMatrix();
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle[0],0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glutSolidTeapot( 0.3 );///左手肘(重疊了)
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main( int argc, char ** argv )
{
glutInit( &argc, argv );
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week15 file");
glutKeyboardFunc(keyboard);
glutDisplayFunc(display);
glutTimerFunc(0,timer,0);
glutMainLoop();
}

*實作*
把關節變四個,可用鍵盤控制
#include <stdio.h>///可割可棄
#include <GL/glut.h>
float angle[20]={},diff=2;
int angleID=0; ///現在要改第幾個角度
void timer(int t)
{
glutTimerFunc(30, timer,t+1);
angle[angleID]+=diff;
if (angle[angleID]>90) diff=-2;
if (angle[angleID]<0) diff=+2;
glutPostRedisplay();
}
void keyboard(unsigned char key,int x,int y)
{
if (key == '0') angleID=0;
if (key == '1') angleID=1;
if (key == '2') angleID=2;
if (key == '3') angleID=3;
}
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glutSolidTeapot( 0.3 );///身體
glPushMatrix();///左半邊
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle[0],0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glPushMatrix();
glTranslatef(-0.3,0,0);///(3)掛在正確的地方
glRotatef(angle[1],0,0,1);///(2)旋轉
glTranslatef(-0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glutSolidTeapot( 0.3 );///左手肘(重疊了)
glPopMatrix();
glPopMatrix();
glPushMatrix();///右半邊
glTranslatef(+0.3,0,0);///(3)掛在正確的地方
glRotatef(angle[2],0,0,1);///(2)旋轉
glTranslatef(+0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glPushMatrix();
glTranslatef(+0.3,0,0);///(3)掛在正確的地方
glRotatef(angle[3],0,0,1);///(2)旋轉
glTranslatef(+0.3,0,0);///(1)把關節放到正中心
glutSolidTeapot( 0.3 );///左手臂(重疊了)
glutSolidTeapot( 0.3 );///左手肘(重疊了)
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int main( int argc, char ** argv )
{
glutInit( &argc, argv );
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week15 file");
glutKeyboardFunc(keyboard);
glutDisplayFunc(display);
glutTimerFunc(0,timer,0);
glutMainLoop();
}
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