week14

#include <GL/glut.h>

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glutSolidSphere(0.3,30,30);

    glutSwapBuffers();

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week14 timer");

    glutDisplayFunc(display);

    glutMainLoop();

}

#include <GL/glut.h>

///display()函式,其實display是函式指標

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    ///glutSolidSphere(0.3,30,30);///實心

    glutWireSphere(0.3,30,30);///線框

    glutSwapBuffers();

}

void timer(int t){///timer響起時,做你要做的事

    glClearColor(1,0,0,0);///清背景顏色:紅色

    display();///重畫畫面

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week14 timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);///等多久

    glutMainLoop();

}

時間到 方塊開始轉動

#include <GL/glut.h>

float angle=0;

///display()函式,其實display是函式指標

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glRotatef(angle,0,0,1);

        glutSolidCube(0.3);///實心方塊

        ///glutSolidSphere(0.3,30,30);///實心圓形

        ///glutWireSphere(0.3,30,30);///線框

    glPopMatrix();

    glutSwapBuffers();

}

void timer(int t){///timer響起時,做你要做的事

    glutTimerFunc(30,timer,t+1);///起床,先設定新鬧鐘

    glClearColor(1,0,0,0);///清背景顏色:紅色

    angle++;

    display();///重畫畫面

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week14 timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);///等多久

    glutMainLoop();

}

時間到 方塊左右轉

#include <GL/glut.h>

float angle=0;

///display()函式,其實display是函式指標

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glRotatef(angle,0,0,1);

        glutSolidCube(0.3);///實心方塊

        ///glutSolidSphere(0.3,30,30);///實心圓形

        ///glutWireSphere(0.3,30,30);///線框

    glPopMatrix();

    glutSwapBuffers();

}

int diff=2;

void timer(int t){///timer響起時,做你要做的事

    glutTimerFunc(30,timer,t+1);///起床,先設定新鬧鐘

    glClearColor(1,0,0,0);///清背景顏色:紅色

    if(angle>90)diff=-2;

    if(angle<0)diff=+2;

    angle+=diff;

    ///angle++;

    display();///重畫畫面

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week14 timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);///等多久

    glutMainLoop();

}

#include <GL/glut.h>

float angle=0;

///display()函式,其實display是函式指標

void drawArm1(){

    glPushMatrix();

        glScalef(1,0.5,0.5);///變細長的手臂

        glColor3f(0,1,0); glutSolidCube(0.2);

    glPopMatrix();

}

void display()

{

    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);

    glPushMatrix();

        glColor3f(1,1,1); glutSolidCube(0.4);///白色的身體

        glPushMatrix();

            glTranslatef(-0.2,0.2,0);///(3)掛上肩膀

            glRotatef(angle,0,0,1);///(2)轉動

            glTranslatef(-0.1,0,0);///(1)把旋轉中心(關節)先移動到畫面最中心

            drawArm1();///綠色的手臂

        glPopMatrix();

    glPopMatrix();

    glutSwapBuffers();

}

int diff=2;

void timer(int t){///timer響起時,做你要做的事

    glutTimerFunc(30,timer,t+1);///起床,先設定新鬧鐘

    ///glClearColor(1,0,0,0);///清背景顏色:紅色

    if(angle>90)diff=-2;

    if(angle<0)diff=+2;

    angle+=diff;

    ///angle++;

    display();///重畫畫面

}

int main(int argc, char**argv)

{

    glutInit(&argc,argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("week14 timer");

    glutDisplayFunc(display);

    glutTimerFunc(3000,timer,0);///等多久

    glutMainLoop();

}