17/03/14 Te-Yu,Lu的電腦圖學筆記

2017電腦圖學(computer Graphics)
2017-03-14 Week04第04週進度：

1. 作業互評、評分
2. 主題：Mouse互動
3. 實作：glutMouseFunc()
           glutMotionFunc()
4. 作業(Blog VS Moodle)
   
   

#include <GL/glut.h>

#include <math.h>

static void display(void)

{

    glBegin(GL_POLYGON);

    for(float angle=0; angle <=3.1415926 *2 ; angle +=0.01)

    {

        glVertex2f(cos(angle),sin(angle));

    }

    glEnd();

    glutSwapBuffers();

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("04160790");

    glutDisplayFunc(display);

    glutMainLoop();
}

#include <GL/glut.h>

#include <math.h>

#include <stdio.h> //for printf()

static void display(void)

{

    glBegin(GL_POLYGON);

    for(float angle=0; angle <=3.1415926 *2 ; angle +=0.01)

    {

        glVertex2f(cos(angle),sin(angle));

    }

    glEnd();

    glutSwapBuffers();

}

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

{

    printf("%d %d %d %d\n",button,state,x,y);

}

int main(int argc, char *argv[])

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("04160790");

    glutDisplayFunc(display);

    glutMouseFunc(mouse); //Now we are using mouse function

    glutMainLoop();

}