先打開一個叫motion的txt檔
然後透過程式在裡面寫hello world
用for迴圈寫
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
透過鍵盤讓四個關節動起來的程式:
#include <GL/glut.h>
int angle[10]={0,0,0,0,0, 0,0,0,0,0};
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glColor3f(1,1,1);///白色
glutSolidTeapot(0.3);///body
glPushMatrix();///右邊
glTranslatef(0.3, 0,0);
glRotatef(angle[0], 0,0,1);///轉動
glTranslatef(0.2, 0,0);///最重要,旋轉中心要放在中心
glColor3f(1,0,0);///紅色
glutSolidTeapot(0.2);///右上手臂
glPushMatrix();///右下手臂
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);///黃
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glPushMatrix();///左邊
glTranslatef(-0.3, 0,0);
glRotatef(angle[2], 0,0,1);///轉動
glTranslatef(-0.2, 0,0);///最重要,旋轉中心要放在中心
glColor3f(0,1,0);///綠色
glutSolidTeapot(0.2);///左上手臂
glPushMatrix();
glTranslatef(-0.2, 0,0);
glRotatef(angle[3], 0,0,1);
glTranslatef(-0.2, 0,0);
glColor3f(0,0,1);///藍色
glutSolidTeapot(0.2);///左下手臂
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int angleID=0;///TODO2:要動哪個關節
int oldX=0, oldY=0;///TODO2:
#include<stdio.h>///todo3
FILE * fout=NULL;///todo3
FILE * fin=NULL;///todo4: file input
void keyboard(unsigned char key, int x, int y)
{
if(key=='0') angleID=0;///TODO2: 要動的關節
if(key=='1') angleID=1;///TODO2: 要動的關節
if(key=='2') angleID=2;///TODO2: 要動的關節
if(key=='3') angleID=3;///TODO2: 要動的關節
if(key=='r'){///todo4讀檔案
if(fin==NULL)fin=fopen("motion.txt","r");///todo4:開檔案
for(int i=0;i<10;i++){
fscanf(fin,"%d",&angle[i]);///todo4:讀入
}
glutPostRedisplay();///todo4更新畫面
}
}
void mouse(int button, int state, int x, int y)
{
oldX=x; oldY=y;///TODO2: mouse按下去時, 記得在哪裡
}
void saveALL()
{///todo3
if(fout==NULL)fout=fopen("motion.txt","w+");
for(int i=0;i<10;i++){
printf("%d ",angle[i]);
fprintf(fout,"%d ",angle[i]);
}
printf("\n");
fprintf(fout, "\n");
}
void motion(int x, int y)
{
angle[angleID] += (x-oldX);///TODO2: 讓關節動起來
oldX=x;
saveALL();///todo3
glutPostRedisplay();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week14 file");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);///TODO2: keyboard運作
glutMouseFunc(mouse);///TODO2: mouse
glutMotionFunc(motion);///TODO2: motion
glutMainLoop();
}
sample5
#include <GL/glut.h>
int angle[10]={0,0,0,0,0, 0,0,0,0,0};
void display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glPushMatrix();
glColor3f(1,1,1);///白色
glutSolidTeapot(0.3);///body
glPushMatrix();///右邊
glTranslatef(0.3, 0,0);
glRotatef(angle[0], 0,0,1);///轉動
glTranslatef(0.2, 0,0);///最重要,旋轉中心要放在中心
glColor3f(1,0,0);///紅色
glutSolidTeapot(0.2);///右上手臂
glPushMatrix();///右下手臂
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);///黃
glutSolidTeapot(0.2);
glPopMatrix();
glPopMatrix();
glPushMatrix();///左邊
glTranslatef(-0.3, 0,0);
glRotatef(angle[2], 0,0,1);///轉動
glTranslatef(-0.2, 0,0);///最重要,旋轉中心要放在中心
glColor3f(0,1,0);///綠色
glutSolidTeapot(0.2);///左上手臂
glPushMatrix();
glTranslatef(-0.2, 0,0);
glRotatef(angle[3], 0,0,1);
glTranslatef(-0.2, 0,0);
glColor3f(0,0,1);///藍色
glutSolidTeapot(0.2);///左下手臂
glPopMatrix();
glPopMatrix();
glPopMatrix();
glutSwapBuffers();
}
int angleID=0;///TODO2:要動哪個關節
int oldX=0, oldY=0;///TODO2:
#include <stdio.h>///TODO3: //TODO4:記得要移高一點哦!
FILE * fout=NULL;///TODO3: 檔案是NULL
FILE * fin=NULL;///TODO4: File Input (fin)
void readAll()///TODO5: 把程式碼拉出來, 變成函式 readAll();
{
if(fin==NULL) fin=fopen("motion.txt", "r" );///TODO4: 開檔案
for(int i=0; i<10; i++){
///scanf( "%d", &a[i]);
fscanf(fin,"%d", &angle[i]);///TODO4: 讀入
}
}
void timer(int t)///TODO5: 用timer自動readAll()再更新
{
glutTimerFunc(20, timer, t+1);///TODO5: 再註冊下一個時間點 20ms 之後
readAll();
glutPostRedisplay();
}
void keyboard(unsigned char key, int x, int y)
{
if(key=='0') angleID=0;///TODO2: 要動的關節
if(key=='1') angleID=1;///TODO2: 要動的關節
if(key=='2') angleID=2;///TODO2: 要動的關節
if(key=='3') angleID=3;///TODO2: 要動的關節
if(key=='r'){///TODO4: 我們要讀檔案囉!!!!
readAll();///TODO5:
glutPostRedisplay();///TODO4: 更新畫面/重畫
}else if(key=='p'){///TODO5: Play播放
glutTimerFunc(20, timer, 0);///TODO5: 要用timer來自動播放
}
}
void mouse(int button, int state, int x, int y)
{
oldX=x; oldY=y;///TODO2: mouse按下去時, 記得在哪裡
}
void saveAll()///TODO3:全部存起來
{///TODO3: (第1次是NULL,要把檔案開起來, 以後就不用再開它了...)
if(fout==NULL) fout=fopen("motion.txt", "w+");///TODO3: 檔案是NULL
for(int i=0; i<10; i++){
printf("%d ", angle[i]);
fprintf(fout, "%d ", angle[i]);
}
printf("\n");
fprintf(fout, "\n");
}
void motion(int x, int y)
{
angle[angleID] += (x-oldX);///TODO2: 讓關節動起來
oldX=x;
saveAll();///TODO3:全部存起來
glutPostRedisplay();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week14 file");
glutDisplayFunc(display);
glutKeyboardFunc(keyboard);///TODO2: keyboard運作
glutMouseFunc(mouse);///TODO2: mouse
glutMotionFunc(motion);///TODO2: motion
glutMainLoop();
}
沒有留言:
張貼留言