一開始老師要我們在CodeBlocks建立一個.cpp檔案
把程式碼打上去並且建置和執行
你存的路徑就會跑出很多檔案
再給予一個for迴圈
給個陣列
第二堂課開始用freeglut寫程式 但老師有給我們程式碼
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程式碼:
#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);
glColor3f(1,1,1);///白色
glutSolidTeapot(0.2);///身體
glPushMatrix();///右側
glTranslatef(0.2, 0,0 );
glRotatef(angle[0], 0,0,1);
glTranslatef(0.2, 0,0 );
glColor3f(1,0,0);///紅色
glutSolidTeapot(0.2);///右上手臂
glPushMatrix();
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);///黃色
glutSolidTeapot(0.2);///右下手臂
glPopMatrix();
glPopMatrix();///右側
glPushMatrix();///左側
glTranslatef(-0.2, 0,0 );
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.2, 0,0 );
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();///右側
glutSwapBuffers();
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week14 file");
glutDisplayFunc(display);
glutMainLoop();
}
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後來結合第一堂課教的讀檔存檔動作 也可以隨時看到我們移動的角度

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程式碼:
#include <GL/glut.h>
#include <stdio.h>
int angle[10]={0,0,0,0,0, 0,0,0,0,0};
FILE * fout=NULL;
void saveAll()
{
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 display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glutSolidTeapot(0.2);///身體
glPushMatrix();///右側
glTranslatef(0.2, 0,0 );
glRotatef(angle[0], 0,0,1);
glTranslatef(0.2, 0,0 );
glColor3f(1,0,0);///紅色
glutSolidTeapot(0.2);///右上手臂
glPushMatrix();
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);///黃色
glutSolidTeapot(0.2);///右下手臂
glPopMatrix();
glPopMatrix();///右側
glPushMatrix();///左側
glTranslatef(-0.2, 0,0 );
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.2, 0,0 );
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();///右側
glutSwapBuffers();
}
int angleID=0;///0,1,2,3
int oldX, oldY;
void mouse(int button, int state, int x, int y)
{///TODO2:備份(old)mouse位置
oldX=x; oldY=y;///TODO2:備份(old)mouse位置
}
void motion(int x, int y)
{///TODO2:滑動,更新 angleID對應的angle[]
angle[angleID] += (x-oldX);
oldX=x;
saveAll();///(自己寫的函式)全部存檔
glutPostRedisplay();///TODO2:重畫畫面
}
void keyboard(unsigned char key, int x, int y)
{///TODO2: 鍵盤,選angleID
if(key=='0') angleID=0;
if(key=='1') angleID=1;
if(key=='2') angleID=2;
if(key=='3') angleID=3;
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week14 file");
glutDisplayFunc(display);
glutMouseFunc(mouse);///TODO2:備份(old)mouse位置
glutMotionFunc(motion);///TODO2:滑動,更新 angleID對應的angle[]
glutKeyboardFunc(keyboard);///TODO2: 鍵盤,選angleID
glutMainLoop();
}
後來結合第一堂課教的讀檔存檔動作 也可以隨時看到我們移動的角度
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程式碼:
#include <GL/glut.h>
#include <stdio.h>
int angle[10]={0,0,0,0,0, 0,0,0,0,0};
FILE * fout=NULL;
void saveAll()
{
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 display()
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glColor3f(1,1,1);///白色
glutSolidTeapot(0.2);///身體
glPushMatrix();///右側
glTranslatef(0.2, 0,0 );
glRotatef(angle[0], 0,0,1);
glTranslatef(0.2, 0,0 );
glColor3f(1,0,0);///紅色
glutSolidTeapot(0.2);///右上手臂
glPushMatrix();
glTranslatef(0.2, 0,0);
glRotatef(angle[1], 0,0,1);
glTranslatef(0.2, 0,0);
glColor3f(1,1,0);///黃色
glutSolidTeapot(0.2);///右下手臂
glPopMatrix();
glPopMatrix();///右側
glPushMatrix();///左側
glTranslatef(-0.2, 0,0 );
glRotatef(angle[2], 0,0,1);
glTranslatef(-0.2, 0,0 );
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();///右側
glutSwapBuffers();
}
int angleID=0;///0,1,2,3
int oldX, oldY;
void mouse(int button, int state, int x, int y)
{///TODO2:備份(old)mouse位置
oldX=x; oldY=y;///TODO2:備份(old)mouse位置
}
void motion(int x, int y)
{///TODO2:滑動,更新 angleID對應的angle[]
angle[angleID] += (x-oldX);
oldX=x;
saveAll();///(自己寫的函式)全部存檔
glutPostRedisplay();///TODO2:重畫畫面
}
void keyboard(unsigned char key, int x, int y)
{///TODO2: 鍵盤,選angleID
if(key=='0') angleID=0;
if(key=='1') angleID=1;
if(key=='2') angleID=2;
if(key=='3') angleID=3;
}
int main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("Week14 file");
glutDisplayFunc(display);
glutMouseFunc(mouse);///TODO2:備份(old)mouse位置
glutMotionFunc(motion);///TODO2:滑動,更新 angleID對應的angle[]
glutKeyboardFunc(keyboard);///TODO2: 鍵盤,選angleID
glutMainLoop();
}
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加上了新的程式碼 按下r可以讀檔案 綁我們之前滑鼠動過的紀錄再重現
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程式碼:
FILE * fin=NULL;
void keyboard(unsigned char key, int x, int y)
{///TODO2: 鍵盤,選angleID
if(key=='0') angleID=0;
if(key=='1') angleID=1;
if(key=='2') angleID=2;
if(key=='3') angleID=3;
if(key=='r'){
if(fin == NULL) fin=fopen("motion.txt","r");///開檔
for(int i=0;i<10;i++){
fscanf(fin, "%d",&angle[i]);///讀檔
}
glutPostRedisplay();///重畫
}
}
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