Week15_沈哲民

#ifdef __APPLE__
#include <GLUT/glut.h>
#else
#include <GL/glut.h>
#endif
#include <stdio.h>
#include <stdlib.h>
float angle[20], X=150, Y=150, oldX=0, oldY=0;
int ID=0;

 void display(){
    glClear(GL_COLOR_BUFFER_BIT |GL_DEPTH_BUFFER_BIT);
    glPushMatrix();
        glutSolidTeapot(0.2);///body
        glPushMatrix();
            glTranslatef(0.2, 0, 0);
            glRotatef(angle[0], 0.0f, 0.0f, 1.0f);
            glTranslatef(0.2, 0, 0);
            glutSolidTeapot(0.2);///right arm
            glPushMatrix();
                glTranslatef(0.2, 0, 0);
                glRotatef(angle[1], 0.0f, 0.0f, 1.0f);
                glTranslatef(0.2, 0, 0);
                glutSolidTeapot(0.2);///right arm
            glPopMatrix();
        glPopMatrix();
        glPushMatrix();
            glTranslatef(-0.2, 0, 0);
            glRotatef(angle[2], 0.0f, 0.0f, 1.0f);
            glTranslatef(-0.2, 0, 0);
            glutSolidTeapot(0.2);///right arm
            glPushMatrix();
                glTranslatef(-0.2, 0, 0);
                glRotatef(angle[3], 0.0f, 0.0f, 1.0f);
                glTranslatef(-0.2, 0, 0);
                glutSolidTeapot(0.2);///right arm
            glPopMatrix();
        glPopMatrix();
    glPopMatrix();
    glutSwapBuffers();
}

}///圖形位置、選轉的設定
void motion(int x,int y){
    X=x;Y=y;
    glutPostRedisplay();
     printf("%.2f,%.2f\n",(X-150)/150.0,-(Y-150)/150.0);}//滑鼠的讀入，並printf滑鼠的位置
void idle()
{
    angle+=10;
    glutPostRedisplay();}角度的旋轉float angle[20], X=150, Y=150, oldX=0, oldY=0;
int ID=0;

void keyboard(unsigned char key, int x, int y)
{
    if(key=='1')ID=1;
    if(key=='2')ID=2;
    if(key=='3')ID=3;
    if(key=='4')ID=4;
    if(key=='5')ID=5;
}
void mouse(int button, int state, int x, int y)
{
    oldX=x; oldY=y;
}
void motion(int x, int y)
{
    angle[ID] +=  x-oldX; ///X=x; Y=y;
    oldX=x;
    glutPostRedisplay();
}
int main(int argc, char**argv)
{
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE|GLUT_DEPTH);
    glutCreateWindow("week03");///之後才會有GL
    glutDisplayFunc(display);
    glutMotionFunc(motion);
    glutMouseFunc(mouse);
    glutKeyboardFunc(keyboard);
    ///glutIdleFunc(idle);
    glutMainLoop();
}