public class Camera {
	public static float fov, aspect, near, far, x, y, z, rx, ry, rz;

	public static void init(float x, float y, float z, float rx, float ry, float rz, float fov, float aspect, float near, float far) {
		Camera.x = x;
		Camera.y = y;
		Camera.z = z;
		Camera.rx = rx;
		Camera.ry = ry;
		Camera.rz = rz;
		Camera.fov = fov;
		Camera.aspect = aspect;
		Camera.near = near;
		Camera.far = far;
		initGl(x, y, z, rx, ry, rz, fov, aspect, near, far);
	}

	public static void initGl(float x, float y, float z, float rx, float ry, float rz, float fov, float aspect, float near, float far) {
		glMatrixMode(GL_PROJECTION);
		glLoadIdentity();
		gluPerspective(fov, aspect, near, far);
		glMatrixMode(GL_MODELVIEW);
		
		glEnable(GL_DEPTH);
		glEnable(GL_DEPTH_FUNC);
		glDepthFunc(GL_LEQUAL);
		
		useTraits();
	}

	public static void useTraits() {
		glPushMatrix();
		glRotatef(rx, 1, 0, 0);
		glRotatef(ry, 0, 1, 0);
		glRotatef(rz, 0, 0, 1);
		glTranslatef(x, y, z);
	}
}