Slither.io | Play On DualShock 4 Controller

Slither.io | Play On DualShock 4 Controller

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From: @strbeanjoe

I added DualShock 4 support to Slither.io (works on chrome)

 

Code

// Tested in Chrome.
// Left stick to steer, X to accelerate
(function () {
 if (!("getGamepads" in navigator)) {
 return;
 }
 var pollPad = function() {
 var ps4 = navigator.getGamepads()[0];
 if (ps4) {
 var x = ps4.axes[0], y = ps4.axes[1];
 if (Math.sqrt(x*x+y*y) < 0.1) x = y = 0; // deadzone radius
 xm = 100 * x;
 ym = 100 * y;
 setAcceleration(ps4.buttons[0].value);
 var b = mc.getContext("2d");
 b.save();
 b.beginPath();
 b.strokeStyle = ps4.buttons[0].value ? "white" : "lightGreen";
 b.arc(xm + mc.width/2, ym+mc.height/2, 8, 0, Math.PI * 2);
 b.stroke();
 b.restore();
 }
 window.requestAnimationFrame(pollPad);
 };
 pollPad();
})();

Bookmarklet

javascript:!function(){if("getGamepads"in navigator){var t=function(){var e=navigator.getGamepads()[0];if(e){var a=e.axes[0],i=e.axes[1];Math.sqrt(a*a+i*i)<.1&&(a=i=0),xm=100*a,ym=100*i,setAcceleration(e.buttons[0].value);var n=mc.getContext("2d");n.save(),n.beginPath(),n.strokeStyle=e.buttons[0].value?"white":"lightGreen",n.arc(xm+mc.width/2,ym+mc.height/2,8,0,2*Math.PI),n.stroke(),n.restore()}window.requestAnimationFrame(t)};t()}}(); void(0);
Soruce 1

Source 2