Platform.qml Example File

 import QtQuick 2.2
 import Felgo 3.0

 EntityBase {
   id: platform

   entityType: "Platform" // always name your entityTypes

   width: 64 // visual width of our platform
   height: 32 // visual height of our platform

   // leaf image for platform
   Image {
     id: platformImg
     source: "../assets/leaf.png"
     anchors.fill: platform

   // BoxCollider responsible for collision detection
   BoxCollider {
     id: platformCollider
     width: parent.width // actual width is the same as the parent entity
     height: parent.height - 20 // actual height is slightly smaller so the collision works smoother
     bodyType: Body.Dynamic // only Dynamic bodies can collide with each other
     collisionTestingOnlyMode: true // collisions are detected, but no physics are applied to the colliding bodies

     fixture.onBeginContact: {
       var otherEntity = other.getBody().target
       var otherEntityType = otherEntity.entityType

       if(otherEntityType === "Border") {
         platform.x = utils.generateRandomValueBetween(32, gameScene.width-64) // generate random x
         platform.y = 0 // the top of the screen

   // platform movement
   MovementAnimation {
     id: movement
     target: platform // which object will be affected
     property: "y" // which property will be affected
     velocity:  frog.impulse / 2 // impulse is y velocity of the frog
     running: frog.y < 210 // move only when the frog is jumping over the limit

   // wobble animation
   ScaleAnimator {
     id: wobbleAnimation
     target: platform
     running: false // default is false and it gets activated on every collision
     from: 0.9
     to: 1
     duration: 1000
     easing.type: Easing.OutElastic // Easing used get an elastic wobbling instead of a linear scale change

   // function to start wobble animation
   function playWobbleAnimation() {

Voted #1 for:

  • Easiest to learn
  • Most time saving
  • Best support

Develop Cross-Platform Apps and Games 50% Faster!

  • Voted the best supported, most time-saving and easiest to learn cross-platform development tool
  • Based on the Qt framework, with native performance and appearance on all platforms including iOS and Android
  • Offers a variety of plugins to monetize, analyze and engage users
create apps
create games
cross platform
native performance
3rd party services
game network
level editor
easiest to learn
biggest time saving
best support