2015年3月26日 星期四

02160136_陳威志 week5

第一堂

手轉甜甜圈

#include <GL/glut.h>
float angel = 0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glRotatef(angel,0,1,0);
    glutWireTorus(0.3,0.7,30,90);
    glFlush();
    angel+=2;
}
int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutCreateWindow("02160136");
    glutDisplayFunc(display);
    glutMainLoop();
}


自動轉黑與白

#include <GL/glut.h>
float angel = 0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();
        glRotatef(angel,1,0,0);
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,0.2,0.8);
        glEnd();

        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            glVertex3f(-0.2,0.2,-0.8);
        glEnd();

    glPopMatrix();
    glFlush();
    angel+=0.1;
}
int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutCreateWindow("02160136");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}


第二堂

旋轉立方體


#include <GL/glut.h>
float angel = 0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(0,0,1);
    glPushMatrix();
        glRotatef(angel,0,1,0.5);
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,0.2,0.8);
        glEnd();

        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glBegin(GL_QUAD_STRIP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            glVertex3f(-0.2,0.2,0.8);
            glVertex3f(-0.2,0.2,-0.8);
        glEnd();

    glPopMatrix();
    glFlush();
    angel+=0.1;
}
int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutCreateWindow("02160136");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}



旋轉透視立方體

#include <GL/glut.h>
float angel = 0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1,0,0);
    glPushMatrix();
        glRotatef(angel,0,1,0.4);
        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,0.2,0.8);
        glEnd();

        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glBegin(GL_QUAD_STRIP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            glVertex3f(-0.2,0.2,0.8);
            glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glColor3f(0,0,0);
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,0.2,0.8);
        glEnd();
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            glVertex3f(-0.2,0.2,-0.8);
        glEnd();
        glBegin(GL_LINES);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            glVertex3f(-0.2,0.2,0.8);
            glVertex3f(-0.2,0.2,-0.8);

        glEnd();

    glPopMatrix();
    glFlush();
    angel+=0.1;
}
int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutCreateWindow("02160136");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}


同上(改成三角形)

#include <GL/glut.h>
float angel = 0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1,0,0);
    glPushMatrix();
        glRotatef(angel,0,1,0.4);
        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            //glVertex3f(-0.2,0.2,0.8);
        glEnd();

        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glBegin(GL_QUAD_STRIP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            //glVertex3f(-0.2,0.2,0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glColor3f(0,0,0);
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            //glVertex3f(-0.2,0.2,0.8);
        glEnd();
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();
        glBegin(GL_LINES);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            //glVertex3f(-0.2,0.2,0.8);
            //glVertex3f(-0.2,0.2,-0.8);

        glEnd();

    glPopMatrix();
    glFlush();
    angel+=0.1;
}
int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutCreateWindow("02160136");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMainLoop();
}


第三節

用滑鼠控制轉動


#include <GL/glut.h>
float angel1 = 0, angel2 = 0;
void display()
{
    glClear(GL_COLOR_BUFFER_BIT);
    glColor3f(1,0,0);
    glPushMatrix();
        glRotatef(angel1,0,1,0);
        glRotatef(angel2,1,0,0);
        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            //glVertex3f(-0.2,0.2,0.8);
        glEnd();

        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glBegin(GL_QUAD_STRIP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            //glVertex3f(-0.2,0.2,0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glColor3f(0,0,0);
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            //glVertex3f(-0.2,0.2,0.8);
        glEnd();
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();
        glBegin(GL_LINES);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            //glVertex3f(-0.2,0.2,0.8);
            //glVertex3f(-0.2,0.2,-0.8);

        glEnd();

    glPopMatrix();
    glFlush();
    //angel1+=0.1;
}

void motion (int x, int y)
{
    angel1 = x;
    angel2 = y;
}

int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutCreateWindow("02160136");
    glutDisplayFunc(display);
    glutIdleFunc(display);
    glutMotionFunc(motion);
    glutMainLoop();
}




同上 (增加深度功能 | 看不到被擋住的地方)

#include <GL/glut.h>
float angel1 = 0, angel2 = 0;
void display()
{
    glEnable(GL_DEPTH_TEST);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    glColor3f(1,0,0);
    glPushMatrix();
        glRotatef(angel1,0,1,0);
        glRotatef(angel2,1,0,0);
        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            //glVertex3f(-0.2,0.2,0.8);
        glEnd();

        glBegin(GL_POLYGON);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glBegin(GL_QUAD_STRIP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            //glVertex3f(-0.2,0.2,0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();

        glColor3f(0,0,0);
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,0.8);
            //glVertex3f(-0.2,0.2,0.8);
        glEnd();
        glBegin(GL_LINE_LOOP);
            glVertex3f(0.2,0.2,-0.8);
            glVertex3f(0.2,-0.2,-0.8);
            glVertex3f(-0.2,-0.2,-0.8);
            //glVertex3f(-0.2,0.2,-0.8);
        glEnd();
        glBegin(GL_LINES);
            glVertex3f(0.2,0.2,0.8);
            glVertex3f(0.2,0.2,-0.8);

            glVertex3f(0.2,-0.2,0.8);
            glVertex3f(0.2,-0.2,-0.8);

            glVertex3f(-0.2,-0.2,0.8);
            glVertex3f(-0.2,-0.2,-0.8);

            //glVertex3f(-0.2,0.2,0.8);
            //glVertex3f(-0.2,0.2,-0.8);

        glEnd();

    glPopMatrix();
    glFlush();
    //angel1+=0.1;
}

void motion (int x, int y)
{
    angel1 = x;
    angel2 = y;
}

int main (int argc, char *argv[])
{
    glutInit(&argc,argv);
    glutInitDisplayMode(GLUT_DEPTH);
    glutCreateWindow("02160136");

    glutDisplayFunc(display);
    glutIdleFunc(display);

    glutMotionFunc(motion);
    glutMainLoop();
}




高明的旋轉方法





上課截圖



















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