小連的課堂作業

Week15 圖學課程進度

1. 複習T-R-T及PushMatrix、PopMatrix
2. 期末作業
3. 建出全身關節
4. 滑鼠鍵盤操控動作
5. 存檔、撥放Play

存檔(小困難)

#include <GL/glut.h>
#include <stdio.h>///file for output
float oldX=0,oldY=0,angle[8]={0,0,0,0,0,0,0,0};
int now=0;
FILE * fout=NULL;///file for output
void motion(int x, int y)
{   angle[now] -= y - oldY;
    oldY=y; oldX=x;
    if(fout==NULL) fout=fopen("02160013.txt","w+");///file for output
    for(int i=0;i<8;i++)///file for output
    {
        fprintf(fout,"%.1f\t",angle[i]);
    }
    fprintf(fout,"\n");
}///txt檔案在freeglut-->bin資料夾裡
void keyboard(unsigned char key,int x,int y)
{
    if(key=='1') now=1;
    if(key=='2') now=2;
    if(key=='3') now=3;
    if(key=='4') now=4;
    glutPostRedisplay();
}
void drawBody(){
    glPushMatrix();
    glScalef(1, 0.5, 0.5);
    glutSolidCube(1);
    glPopMatrix();
}
void drawArm(){
    glPushMatrix();
    glScalef(0.6, 0.3, 0.3);
    glutSolidCube(1);
    glPopMatrix();
}
void display()
{
    { ///Lighting
    glColor3ub(166,132,100);
    GLfloat pos[]={0, 0, -1, 0};
    glLightfv(GL_LIGHT0, GL_POSITION, pos);
    glEnable(GL_LIGHT0);
    //glEnable(GL_LIGHTING);
    glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    }
    glPushMatrix();
        glTranslatef(0.5, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去        glRotatef(angle[1], 0,0,1);///把下面整團, 都對中間做旋轉        glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間        glColor3f(0,0,1);
        drawArm();///這是個Arm --- Right Upper Arm        glPushMatrix();
            glTranslatef(0.25, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去            glRotatef(angle[2], 0,0,1);///把下面整團, 都對中間做旋轉            glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間            glColor3f(0,1,0);
            drawArm(); ///Right Lower Arm        glPopMatrix();
    glPopMatrix();
    glPushMatrix();
        glTranslatef(-0.5, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去        glRotatef(-angle[3], 0,0,1);///把下面整團, 都對中間做旋轉        glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間        glColor3f(0.5,0.5,1);
        drawArm();///這是個Arm --- Left Upper Arm        glPushMatrix();
            glTranslatef(-0.25, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去            glRotatef(-angle[4], 0,0,1);///把下面整團, 都對中間做旋轉            glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間            glColor3f(0.5,1,0.5);
            drawArm(); ///Left Lower Arm        glPopMatrix();
    glPopMatrix();
    drawBody();
    glFlush();
}
void mouse(int button, int state, int x, int y){
    if(state==GLUT_DOWN) { oldX=x; oldY=y; }
}
void timer(int t)
{
    glutTimerFunc(20, timer, t+1);
    glutPostRedisplay();
}
int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutCreateWindow("T-R-T test");
    glutDisplayFunc(display);
    glutTimerFunc(20, timer, 0);
    glutMouseFunc(mouse);
    glutKeyboardFunc(keyboard);
    glutMotionFunc(motion);
    glutMainLoop();
}

利用矩陣寫出全身關節旋轉

#include <GL/glut.h>
float oldX=0,oldY=0,angle[10]={0,0,0,0,0,0,0,0,0,0};
int now=0;
void motion(int x, int y)
{   angle[now] -= y - oldY;
    oldY=y; oldX=x;
}
void keyboard(unsigned char key,int x,int y)
{
    if(key=='1') now=1;
    if(key=='2') now=2;
    if(key=='3') now=3;
    if(key=='4') now=4;
    glutPostRedisplay();
}
void drawBody(){
    glPushMatrix();
    glScalef(1, 0.5, 0.5);
    glutSolidCube(1);
    glPopMatrix();
}
void drawArm(){
    glPushMatrix();
    glScalef(0.6, 0.3, 0.3);
    glutSolidCube(1);
    glPopMatrix();
}
void display()
{
    { ///Lighting
    glColor3ub(166,132,100);
    GLfloat pos[]={0, 0, -1, 0};
    glLightfv(GL_LIGHT0, GL_POSITION, pos);
    glEnable(GL_LIGHT0);
    //glEnable(GL_LIGHTING);
    glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    }
    glPushMatrix();
        glTranslatef(0.5, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去
        glRotatef(angle[1], 0,0,1);///把下面整團, 都對中間做旋轉
        glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間
        glColor3f(0,0,1);
        drawArm();///這是個Arm --- Right Upper Arm
        glPushMatrix();
            glTranslatef(0.25, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去
            glRotatef(angle[2], 0,0,1);///把下面整團, 都對中間做旋轉
            glTranslatef(0.25, 0,0);///這是把它往右移, Arm Joint在中間
            glColor3f(0,1,0);
            drawArm(); ///Right Lower Arm
        glPopMatrix();
    glPopMatrix();
    glPushMatrix();
        glTranslatef(-0.5, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去
        glRotatef(-angle[3], 0,0,1);///把下面整團, 都對中間做旋轉
        glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間
        glColor3f(0.5,0.5,1);
        drawArm();///這是個Arm --- Left Upper Arm
        glPushMatrix();
            glTranslatef(-0.25, 0, 0);///把樓下的 "會對Arm Joint做旋轉的東西" 再移到右上 掛上去
            glRotatef(-angle[4], 0,0,1);///把下面整團, 都對中間做旋轉
            glTranslatef(-0.25, 0,0);///這是把它往右移, Arm Joint在中間
            glColor3f(0.5,1,0.5);
            drawArm(); ///Left Lower Arm
        glPopMatrix();
    glPopMatrix();
    drawBody();
    glFlush();
}
void mouse(int button, int state, int x, int y){
    if(state==GLUT_DOWN) { oldX=x; oldY=y; }
}
void timer(int t)
{
    glutTimerFunc(20, timer, t+1);
    glutPostRedisplay();
}
int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutCreateWindow("T-R-T test");
    glutDisplayFunc(display);
    glutTimerFunc(20, timer, 0);
    glutMouseFunc(mouse);
    glutKeyboardFunc(keyboard);
    glutMotionFunc(motion);
    glutMainLoop();
}

藉由鍵盤控室位置和旋轉

#include <GL/glut.h>
#include <stdio.h>
float x1=-0.4,y1=0,x2=0,y2=0,angle=0;
void display()
{
    glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glTranslatef(x1,y1,0);
        glRotatef(angle,0,0,1);
        glTranslatef(-0.25,-0.11,0);
        glColor3f(1,1,0);
        glutSolidTeapot(0.2);
    glPopMatrix();
    glPushMatrix();
        glTranslatef(x2,y2,0);
        glColor3f(1,0,0);
        glutSolidTeapot(0.2);
    glPopMatrix();
    glFlush();
}
void keyboard(unsigned char key,int x,int y)
{
    if(key=='1') x1+=0.1;
    if(key=='2') x1-=0.1;
    if(key=='3') y1+=0.1;
    if(key=='4') y1-=0.1;
    if(key=='5') angle+=10;
    if(key=='6') angle-=10;
    glutPostRedisplay();
}
int main(int argc,char **argv)
{
    glutInit(&argc,argv);
    glutCreateWindow("02160013");
    glutDisplayFunc(display);
    glutKeyboardFunc(keyboard);
    glutMainLoop();
}