EffectRipple.qml Example File

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 import QtQuick 2.0

 Effect {
     parameters: ListModel {
         ListElement {
             name: "amplitude"
             value: 0.5
         }
         ListElement {
             name: "frequency"
             value: 0.5
         }
     }

     // Transform slider values, and bind result to shader uniforms
     property real amplitude: parameters.get(0).value * 0.03
     property real n: parameters.get(1).value * 7

     property real time: 0
     NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 }

     fragmentShaderFilename: "shaders/ripple.fsh"
 }