javascript - QtQuick Gauge Needle rotation animation is not smooth -


i trying create simple gauge using qtquick. problem facing needle rotation not smooth. when needle angle changed higher value needle not moving smoothly, there jerk in motion , feel multiple needle moving. tried use of animations types , easing types available result negative.

main.qml

import qtquick 2.0  rectangle { visible: true width: 800 height: 800 color: "#00000000"  // needle rectangle{     id: id_needle     x: 350     y: 350     width: 300     height: 5     color: "red"     antialiasing: true     smooth: true     transform: rotation {         id: rotation         origin.x: 3         origin.y: 3         angle: 0          behavior on angle {              numberanimation{                 duration: 1500                 easing.type: easing.outquad             }         }     } }  // sample timer update needle angle timer{     id: tim     repeat: true     running: true     interval: 2000     ontriggered: {          var data = math.floor(math.random() * 360) + 0         rotation.angle = data       }   } }

video , log


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