《電腦圖學_杰璋作業》 第五周 滑鼠旋轉

#include"GL/glut.h"

void display()
{
    glClear(GL_COLOR_BUFFER_BIT);

    glBegin(GL_POLYGON);
    glColor3f(1,0,0);
    glVertex3f(0.1, 0.1, 0.8);
    glVertex3f(-0.1, 0.1, 0.8);
    glVertex3f(-0.1, -0.1, 0.8);
    glVertex3f(0.1, -0.1, 0.8);

    glEnd();
    glFlush();
}
int main(int argc, char **argv)
{
    glutInit(&argc, argv);
    glutCreateWindow("02160995flight");
    glutDisplayFunc(display);
     glutMainLoop();
}

#include"GL/glut.h"

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

    glRotatef( angle,  0, 1, 0);

    glBegin(GL_POLYGON);;

    glColor3f(1,0,0);

    glVertex3f(0.1, 0.1, 0.8);

    glVertex3f(-0.1, 0.1, 0.8);

    glVertex3f(-0.1, -0.1, 0.8);

    glVertex3f(0.1, -0.1, 0.8);

    glEnd();

    glPopMatrix();

    angle += 0.01;

    glFlush();

}

int main(int argc, char **argv)

{

    glutInit(&argc, argv);

    glutCreateWindow("02160995flight");

    glutDisplayFunc(display);

    glutIdleFunc(display);

     glutMainLoop();

}

#include"GL/glut.h"

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

    glRotatef( angle,  0, 1, 0.5);

    glBegin(GL_POLYGON);;

    glColor3f(1,0,0);

    glVertex3f(0.1, 0.1, 0.8);

    glVertex3f(-0.1, 0.1, 0.8);

    glVertex3f(-0.1, -0.1, 0.8);

    glVertex3f(0.1, -0.1, 0.8);

    glEnd();

    glBegin(GL_POLYGON);;

    glColor3f(1,0,0);

    glVertex3f(0.1, 0.1, -0.8);

    glVertex3f(-0.1, 0.1, -0.8);

    glVertex3f(-0.1, -0.1, -0.8);

    glVertex3f(0.1, -0.1, -0.8);

    glEnd();

    glBegin(GL_QUAD_STRIP);

    glVertex3f(0.1, 0.1, 0.8);

    glVertex3f(0.1, 0.1, -0.8);

    glVertex3f(-0.1, 0.1, 0.8);

    glVertex3f(-0.1, 0.1, -0.8);

    glVertex3f(-0.1, -0.1, 0.8);

    glVertex3f(-0.1, -0.1, -0.8);

    glVertex3f(0.1, -0.1, 0.8);

    glVertex3f(0.1, -0.1, -0.8);

    glEnd();

    glPopMatrix();

    angle += 0.01;

    glFlush();

}

int main(int argc, char **argv)

{

    glutInit(&argc, argv);

    glutCreateWindow("02160995flight");

    glutDisplayFunc(display);

    glutIdleFunc(display);

     glutMainLoop();

}

滑鼠旋轉

#include"GL/glut.h"

float angle=0;

void display()

{

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

    glRotatef( angle,  0, 1, 0.5);

    glBegin(GL_POLYGON);;

    glColor3f(1,0,0);

    glVertex3f(0.1, 0.1, 0.8);

    glVertex3f(-0.1, 0.1, 0.8);

    glVertex3f(-0.1, -0.1, 0.8);

    glVertex3f(0.1, -0.1, 0.8);

    glEnd();

    glBegin(GL_POLYGON);;

    glColor3f(1,0,0);

    glVertex3f(0.1, 0.1, -0.8);

    glVertex3f(-0.1, 0.1, -0.8);

    glVertex3f(-0.1, -0.1, -0.8);

    glVertex3f(0.1, -0.1, -0.8);

    glEnd();

    glBegin(GL_QUAD_STRIP);

    glVertex3f(0.1, 0.1, 0.8);

    glVertex3f(0.1, 0.1, -0.8);

    glVertex3f(-0.1, 0.1, 0.8);

    glVertex3f(-0.1, 0.1, -0.8);

    glVertex3f(-0.1, -0.1, 0.8);

    glVertex3f(-0.1, -0.1, -0.8);

    glVertex3f(0.1, -0.1, 0.8);

    glVertex3f(0.1, -0.1, -0.8);

    glEnd();

    glPopMatrix();

    angle += 0.01;

    glFlush();

}

int oldX=0;

void motion(int x,int y)

{

    angle += (x-oldX);

    oldX=x;

}

int main(int argc, char **argv)

{

    glutInit(&argc, argv);

    glutCreateWindow("02160995flight");

    glutDisplayFunc(display);

    glutIdleFunc(display);

    glutMotionFunc(motion);

     glutMainLoop();