import Qt 4.7 Rectangle { width: 800; height: 240; color: "gray" Rectangle { id: rect width: 50; height: 20; y: 30; color: "black" SequentialAnimation on x { loops: Animation.Infinite NumberAnimation { from: 50; to: 700; duration: 2000 } NumberAnimation { from: 700; to: 50; duration: 2000 } } } Rectangle { width: 50; height: 20; y: 60; color: "red" SmoothedFollow on x { to: rect.x; velocity: 400; enabled: true } } Rectangle { width: 50; height: 20; y: 90; color: "yellow" SmoothedFollow on x { to: rect.x; velocity: 300; reversingMode: SmoothedAnimation.Immediate; enabled: true } } Rectangle { width: 50; height: 20; y: 120; color: "green" SmoothedFollow on x { to: rect.x; reversingMode: SmoothedAnimation.Sync; enabled: true } } Rectangle { width: 50; height: 20; y: 150; color: "purple" SmoothedFollow on x { to: rect.x; maximumEasingTime: 200; enabled: true } } Rectangle { width: 50; height: 20; y: 180; color: "blue" SmoothedFollow on x { to: rect.x; duration: 300; enabled: true } } }