Add GAN V4 gyroscope support

src/js/hardware/gancube.js

@@ -1040,6 +1040,26 @@ execMain(function() {
 			giikerutil.log('[gancube]', 'v4 battery level', batteryLevel);
 			giikerutil.updateBattery([batteryLevel, deviceName + '*']);
 		} else if (mode == 0xEC) { // gyro
+			var zero = parseInt(value.slice(16, 32), 2);
+			var one = parseInt(value.slice(32, 48), 2);
+			var two = parseInt(value.slice(48, 64), 2);
+			var three = parseInt(value.slice(64, 80), 2);
+
+			var quaterW = (1 - (zero >> 15) * 2) * (zero & 0x7FFF) / 0x7FFF;
+			var quaterX = (1 - (one >> 15) * 2) * (one & 0x7FFF) / 0x7FFF;
+			var quaterY = (1 - (two >> 15) * 2) * (two & 0x7FFF) / 0x7FFF;
+			var quaterZ = (1 - (three >> 15) * 2) * (three & 0x7FFF) / 0x7FFF;
+
+			var angleSpeedX = parseInt(value.slice(80, 84), 2);
+			var angleSpeedY = parseInt(value.slice(84, 88), 2);
+			var angleSpeedZ = parseInt(value.slice(88, 92), 2);
+
+			window.puzzleObj.twisty._3d.useQuaternion = true;
+
+			var newQuat = new THREE.Quaternion(quaterX, quaterY, quaterZ, quaterW).normalize();
+			window.puzzleObj.twisty._3d.quaternion = newQuat;
+
+			window.puzzleObj.twistyScene.render()
 		} else {
 			giikerutil.log('[gancube]', 'v4 received unknown event', mode, value);
 		}

src/js/timer/giiker.js

@@ -44,6 +44,10 @@ execMain(function(timer) {
 					curVRCCubie.selfMoveStr(puzzleObj.move2str(preScramble[i]));
 				}
 				puzzleObj.applyMoves(preScramble); // process pre scramble (cube orientation)
+
+				// temporary hack
+				window.puzzleObj = puzzleObj;
+
 				var targetOri = kernel.getProp('giiOri');
 				targetOri = targetOri == 'auto' ? -1 : ~~targetOri;
 				setOri(targetOri);

src/js/twisty/twisty.js

@@ -399,6 +399,8 @@ window.twistyjs = (function() {
 			moveCameraDelta(deltaTheta, 0);
 		}
 
+		this.render = render;
+
 		function render() {
 			renderer.render(scene, camera);
 		}