#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[3], 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[4], 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 main(int argc, char**argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
glutCreateWindow("week14 file");
glutDisplayFunc(display);
glutMainLoop();
}
紀錄茶壺轉動的角度
#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:
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
}
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
}
#include <stdio.h>
FILE * fout = NULL;
void saveALL(){///TODO3:(第一次是NULL,要把檔案開起來,以後就不用開了)
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();
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();
}


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