01370984_Week_04_CW

Week_04
Class_Work_01

Choose  TOP 5 homework.





Class_Work_02

You can use your right hand and thumb to easily understand how to rotation.



Class_Work_03



Class_Work_04



Source Code:

#include <GL/glut.h>
float nowX = 0, nowY = 0;
void mouse(int button, int state, int x, int y)
{
    nowX = (x-150)/150.0;
    nowY = -(y-150)/150.0;
}
void display()
{
    glClearColor(1,1,0,1);
    glClear(GL_COLOR_BUFFER_BIT);
    glPushMatrix();
    glTranslatef(nowX, nowY, 0);
    glColor3f(1,0,0);
    glutSolidTeapot(0.3);

    glPopMatrix();
    glutSwapBuffers();
}

int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);
    glutCreateWindow("01370984_Week4");

    glutDisplayFunc(display);
    glutMouseFunc(mouse);
    glutMainLoop();
}

Class_Work_05

Source Code:

#include <GL/glut.h>

#include <stdio.h>

#include <math.h>

float nowX = 0, nowY = 0;

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

{

    nowX = (x-150)/150.0;

    nowY = -(y-150)/150.0;

    printf("glTranslatef(%f,%f, 0);\n", nowX, nowY);

}

void display()

{

    glClearColor(1,1,0,1);

    glClear(GL_COLOR_BUFFER_BIT);

    glPushMatrix();

    glTranslatef(nowX, nowY, 0);

    glColor3f(0.6,0.4,0.8);

    glBegin(GL_POLYGON);

    for(float angle = 0; angle < 3.14159265358979*2; angle+=0.1)

    {

        glVertex2f(0.2*cos(angle), 0.2*sin(angle));

    }

    glEnd();

    glPopMatrix();

    glutSwapBuffers();

}

int main(int argc, char**argv)

{

    glutInit(&argc, argv);

    glutInitDisplayMode(GLUT_DOUBLE | GLUT_DEPTH);

    glutCreateWindow("01370984_Week4");

    glutDisplayFunc(display);

    glutMouseFunc(mouse);

    glutMainLoop();

}