#include<windows.h>
#include <iostream>
#include <stdlib.h>
#include <GL/glut.h>
using namespace std;

static int posXcorpo = 0, posZcorpo = 0, posYcorpo = 0, cabeca=0;

void init(void) {
    glClearColor(0.0, 0.0, 0.0, 0.0);
}

void display(void) {
    glClear(GL_COLOR_BUFFER_BIT);
	glColor3f(0.9f, 0.9f, 0.9f);
    glPushMatrix();
	/*Plataforma servindo como chão*/
	glColor3f(1.0, 1.0, 1.0);
	glBegin(GL_QUADS);
		glVertex3f(-3.0, -3.0, 0.0);
		glVertex3f(3.0, -3.0, 0.0);
		glVertex3f(3.0, -1.0, 0.0);
		glVertex3f(-3.0, -1.0, 0.0);
	glEnd();
	glFlush();
    /* origem do corpo */
    glTranslatef(0.0, 0.0, 0.0);
    glTranslatef(posXcorpo, posYcorpo, posZcorpo);
    glPushMatrix();
    glScalef(2.0, 2.0, 1.5);
    glutWireCube(1.0);
    glPopMatrix();

    /* origem da cabeca */
    glRotatef((GLfloat)cabeca, 0.0, 1.0, 0.0);
    glTranslatef(0.0, 1.38, 0.0);
    glPushMatrix();
    glScalef(2.4, 2.4, 1.0);
    glutWireCube(0.3);
    glPopMatrix();

    /* origem da ombro direito */
    glTranslatef(0.0, 0.0, 0.0);
    glTranslatef(1.25, -2.3, 0.2);
    glTranslatef(0.0, 1.5, 0.0);
    glPushMatrix();
    glScalef(1.0, 1.0, 1.0);
    glutSolidSphere(0.3,20,20);
    glPopMatrix();

    /* origem da ombro esquerdo */
    glTranslatef(0.0, 0.0, 0.0);
    glTranslatef(-2.3, -0.25, 0.2);
    //glTranslatef(0.0, -1.5, 0.0);
    glPushMatrix();
    glScalef(1.0, 1.0, 1.0);
    glutSolidSphere(0.3, 20, 20);
    glPopMatrix();

    /* origem volta para o sistema de coordenadas original */
    glPopMatrix();
    glutSwapBuffers();
}

void reshape(int w, int h) {
    glViewport(0, 0, (GLsizei)w, (GLsizei)h);
    glMatrixMode(GL_PROJECTION);
    glLoadIdentity();
    gluPerspective(65.0, (GLfloat)w / (GLfloat)h, 1.0, 20.0);
    glMatrixMode(GL_MODELVIEW);
    glLoadIdentity();
    glTranslatef(0.0, 0.0, -5.0);
}

void keyboard(unsigned char key, int x, int y) {
    switch (key) {
    case 'x':
        posXcorpo = (posXcorpo + 1) % 360;
        glutPostRedisplay();
        break;
    case 'X':
        posXcorpo = (posXcorpo - 1) % 360;
        glutPostRedisplay();
        break;
    case 'z':
        posZcorpo = (posZcorpo + 1) % 360;
        glutPostRedisplay();
        break;
    case 'Z':
        posZcorpo = (posZcorpo - 1) % 360;
        glutPostRedisplay();
        break;
    case 'y':
        posYcorpo = (posYcorpo + 1) % 360;
        glutPostRedisplay();
        break;
    case 'Y':
        posYcorpo = (posYcorpo - 1) % 360;
        glutPostRedisplay();
        break;
    case 27:
        exit(0);
        break;
    default:
        break;
    }
}

int main(int argc, char** argv) {
    glutInit(&argc, argv);
    glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB);
    glutInitWindowSize(800, 600);
    glutInitWindowPosition(100, 100);
    glutCreateWindow(argv[0]);
    init();
    glutDisplayFunc(display);
    glutReshapeFunc(reshape);
    glutKeyboardFunc(keyboard);
    glutMainLoop();
    return 0;

}