html5搖一搖代碼優化
阿新 • • 發佈:2017-05-17
don htm 進行 scrip nim including 傳感 win gravity
如今就完美了
首先對DeviceMotionEvent進行優化;
去除沒用的代碼,又一次封裝DeviceMotionEven
if(window.DeviceMotionEvent) { var speed = 25;//定義一個數值 var x = y = z = lastX = lastY = lastZ = 0;//重置全部數值 window.addEventListener(‘devicemotion‘, function(){ var acceleration =event.accelerationIncludingGravity;//將傳感值賦給acceleration x = acceleration.x; y = acceleration.y; z = acceleration.z; if(Math.abs(x-lastX) > speed || Math.abs(y-lastY) > speed ) { // TODO:在此處能夠實現搖一搖之後所要進行的數據邏輯操作 donghua(); } lastX = x; lastY = y; lastZ = z; }, false); }
因為實際項目中有非常多需求無法非常好的實現。
比方:動畫不運行完成就不能繼續運行DeviceMotionEvent事件;
所以做了進一步優化;
var f=1; function donghua(){ //動畫事件 $(".img").animate({left:‘0‘,opacity:‘1‘},700,function(){f=1;}); })。 if(window.DeviceMotionEvent) { var speed = 25;//定義一個數值 var x = y = z = lastX = lastY = lastZ = 0;//重置全部數值 window.addEventListener(‘devicemotion‘, function(){ var acceleration =event.accelerationIncludingGravity;//將傳感值賦給acceleration x = acceleration.x; y = acceleration.y; z = acceleration.z; if(Math.abs(x-lastX) > speed || Math.abs(y-lastY) > speed ) { // TODO:在此處能夠實現搖一搖之後所要進行的數據邏輯操作 if(f==1){ donghua(); f=0; } } lastX = x; lastY = y; lastZ = z; }, false); }
html5搖一搖代碼優化