week5

#include <GL/glut.h>
float rotX=0, rotY=0;
void display()
{
    glClearColor(1,1,1,1);
    glClear(GL_COLOR_BUFFER_BIT);
    glPushMatrix();
        glRotatef(rotY, 1,0,0);
        glRotatef(rotX, 0,1,0);
        glColor3f(1,0,0);
        glutSolidTeapot(0.3);
    glPopMatrix();
    glutSwapBuffers();

}
void motion(int x, int y)
{
    rotX=x;
    rotY=y;
    display();
}
int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutInitWindowSize(300,300);
    glutInitWindowPosition(600,0);
    glutCreateWindow("hello3D");

    glutDisplayFunc(display);
    glutMotionFunc(motion);

    glutMainLoop();
}

第五週作業

加旋轉

請把上上週繳交的、自我發揮的作業, 加上旋轉的功能

我的作業

可以旋轉

-------------------程式碼-------------------

#include <GL/glut.h>

#include <stdio.h>

float rotX=0,rotY=0;

void mouse(int button,int state,int x,int y)

{

    if(state == GLUT_DOWN)

        printf("glVertex2f((%d-150)/150.0,-(%d-150)/150.0);\n",x,y);

}

void display()

{

    glClearColor(17/255.0,17/255.0,17/255.0,1);

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();///備份Matrix (Matrix裡面有translate,rotate,scale的量值)

        glRotatef(rotY, 1,0,0);///Y的移動量，讓他對x軸轉

        glRotatef(rotX, 0,1,0);///x的移動量，讓他對y軸轉

    glColor3ub(190,27,44);

    glBegin(GL_POLYGON);

        glVertex2f((80-100)/100.0, -(25-100)/100.0);

        glVertex2f((80-100)/100.0, -(35-100)/100.0);

        glVertex2f((115-100)/100.0, -(56-100)/100.0);

        glVertex2f((58-100)/100.0, -(35-100)/100.0);

        glVertex2f((58-100)/100.0, -(45-100)/100.0);

        glVertex2f((47-100)/100.0, -(45-100)/100.0);

        glVertex2f((47-100)/100.0, -(57-100)/100.0);

        glVertex2f((35-100)/100.0, -(57-100)/100.0);

        glVertex2f((35-100)/100.0, -(90-100)/100.0);

        glVertex2f((25-100)/100.0, -(90-100)/100.0);

        glVertex2f((25-100)/100.0, -(175-100)/100.0);

        glVertex2f((36-100)/100.0, -(175-100)/100.0);

        glVertex2f((36-100)/100.0, -(163-100)/100.0);

        glVertex2f((47-100)/100.0, -(163-100)/100.0);

        glVertex2f((47-100)/100.0, -(153-100)/100.0);

        glVertex2f((57-100)/100.0, -(153-100)/100.0);

        glVertex2f((57-100)/100.0, -(163-100)/100.0);

        glVertex2f((67-100)/100.0, -(163-100)/100.0);

        glVertex2f((67-100)/100.0, -(173-100)/100.0);

        glVertex2f((90-100)/100.0, -(173-100)/100.0);

        glVertex2f((90-100)/100.0, -(153-100)/100.0);

        glVertex2f((110-100)/100.0, -(153-100)/100.0);

        glVertex2f((110-100)/100.0, -(173-100)/100.0);

        glVertex2f((130-100)/100.0, -(173-100)/100.0);

        glVertex2f((130-100)/100.0, -(163-100)/100.0);

        glVertex2f((140-100)/100.0, -(163-100)/100.0);

        glVertex2f((140-100)/100.0, -(153-100)/100.0);

        glVertex2f((153-100)/100.0, -(153-100)/100.0);

        glVertex2f((153-100)/100.0, -(163-100)/100.0);

        glVertex2f((163-100)/100.0, -(163-100)/100.0);

        glVertex2f((163-100)/100.0, -(173-100)/100.0);

        glVertex2f((173-100)/100.0, -(173-100)/100.0);

        glVertex2f((173-100)/100.0, -(90-100)/100.0);

        glVertex2f((163-100)/100.0, -(90-100)/100.0);

        glVertex2f((163-100)/100.0, -(60-100)/100.0);

        glVertex2f((153-100)/100.0, -(60-100)/100.0);

        glVertex2f((153-100)/100.0, -(50-100)/100.0);

        glVertex2f((143-100)/100.0, -(50-100)/100.0);

        glVertex2f((143-100)/100.0, -(35-100)/100.0);

        glVertex2f((120-100)/100.0, -(35-100)/100.0);

        glVertex2f((120-100)/100.0, -(25-100)/100.0);

    glEnd();

    glPopMatrix();

    glutSwapBuffers();

}

void motion(int x,int y)

{

    rotX=x;rotY=y;///(拿來旋轉)

    display();///glutPostRedisplay();

}

int main(int argc, char**argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("hello 3D");

    glutDisplayFunc(display);

    glutMotionFunc(motion);

    glutMainLoop();

}

----------------程式碼------------------