var g_tiltInit = false;
var g_tiltAlpha = 0;
var g_tiltBeta = 0;
var g_tiltGamma = 0;
function tilt_init() { // call this once on gamestart
if(g_tiltInit) return;
window.addEventListener("deviceorientation", function(event) {
g_tiltAlpha = e.alpha;
g_tiltBeta = e.beta;
g_tiltGamma = e.gamma;
});
g_tiltInit = true;
}
function tilt_x() {
return g_tiltBeta;
}
function tilt_y() {
return g_tiltGamma;
}
function tilt_z() {
return g_tiltAlpha;
}