#include <GL/glut.h>

GLfloat light_position[] = {100.0f, 100.0f, 100.0f, 0.0f};
GLfloat diffuse_light[] = {0.9f, 0.9, 0.9f, 0.0f};

float x, y, z;
float degree = 0.0f;
void display () {
	glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
	glPushMatrix();
		glTranslatef (x, y, z);
		glPushMatrix();
			glRotatef(degree, 0.0f, 1.0f, 0.0f);
			glutSolidCube(2.0);
		glPopMatrix();
	glPopMatrix();
	glFlush();
	glutSwapBuffers();
	degree += 0.1f;
	glutPostRedisplay();
}

void keyPressed (unsigned char c, int i, int j) {
	if (c == 27) {
		exit(1);
	}
	else if (c == 'w') z++;
	else if (c == 's') z--;
	else if (c == 'a') x++;
	else if (c == 'd') x--;
	else if (c == 'y') y++;
	else if (c == 'h') y--;
	
	
}

int main (int argv, char** argc) {
	glutInit (&argv, argc);
	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGBA | GLUT_DEPTH);
	glutCreateWindow ("Bob");
	glutDisplayFunc (display);
	
	// Setup viewing
	glMatrixMode (GL_PROJECTION);
	glLoadIdentity();
	gluPerspective (60.0f, 1.5, 0.1, 1000);
	glMatrixMode (GL_MODELVIEW);
	glutFullScreen();
	glutKeyboardFunc (keyPressed);
	glEnable (GL_DEPTH_TEST);
	glEnable (GL_LIGHTING);
	glEnable (GL_LIGHT0);
	glLightfv (GL_LIGHT0, GL_POSITION, light_position);
	glLightfv (GL_LIGHT0, GL_DIFFUSE, diffuse_light);

	x = y = z = 0;
	z = -10;
	glutMainLoop();
}