diff --git a/public/bundle.js b/public/bundle.js
index d573acaa..8b711999 100644
--- a/public/bundle.js
+++ b/public/bundle.js
@@ -44539,6 +44539,7 @@ function _interopRequireWildcard(obj) { if (obj && obj.__esModule) { return obj;
 var app = new PIXI.Application({
   backgroundColor: 0x00FFFF
 });
+var hasTouchedGround = false;
 var loader = new PIXI.Loader();
 document.getElementById("pixi").appendChild(app.view);
 var paw = PIXI.Sprite.from('images/cat.png');
@@ -44580,6 +44581,7 @@ bgPic.tilePosition.y = 0;
 app.stage.addChild(bgPic);
 
 function resetPaw() {
+  hasTouchedGround = false;
   paw.x = app.screen.width / 2;
   paw.y = app.screen.height / 2;
   paw.vx = 0;
@@ -44591,6 +44593,7 @@ function resetPaw() {
 }
 
 function resetDog() {
+  hasTouchedGround = false;
   dog.x = app.screen.width / 2;
   dog.y = app.screen.height / 2;
   dog.vx = 0;
@@ -44695,9 +44698,13 @@ app.ticker.add(function (delta) {
       addTurtle();
     }
 
+    if (activeChar.y === app.screen.height - 62) {
+      hasTouchedGround = true;
+    }
+
     turtle.x += turtle.vx;
 
-    if (up.isDown && count < 45 && fallDone) {
+    if (up.isDown && count < 45 && fallDone && hasTouchedGround) {
       activeChar.vy = -2;
       count++;
     } else {
diff --git a/public/pixiBasic.js b/public/pixiBasic.js
index 7b8d72bf..eb33d563 100644
--- a/public/pixiBasic.js
+++ b/public/pixiBasic.js
@@ -2,6 +2,7 @@ import * as PIXI from 'pixi.js';
 
 //init basics
 let app = new PIXI.Application({ backgroundColor: 0x00FFFF});
+let hasTouchedGround = false;
 const loader = new PIXI.Loader();
 document.getElementById("pixi").appendChild(app.view);
 let paw = PIXI.Sprite.from('images/cat.png');
@@ -36,6 +37,7 @@ bgPic.tilePosition.y = 0;
 app.stage.addChild(bgPic);
 
 function resetPaw() {
+    hasTouchedGround = false;
     paw.x = app.screen.width / 2;
     paw.y = app.screen.height / 2;
     paw.vx = 0;
@@ -47,6 +49,7 @@ function resetPaw() {
 }
 
 function resetDog() {
+    hasTouchedGround = false;
     dog.x = app.screen.width / 2;
     dog.y = app.screen.height / 2;
     dog.vx = 0;
@@ -147,8 +150,11 @@ app.ticker.add(function(delta) {
         if(time % 8 === 0){
             addTurtle();
         }
+        if (activeChar.y === app.screen.height - 62) {
+            hasTouchedGround = true;
+        }
         turtle.x += turtle.vx;
-        if (up.isDown && count < 45 && fallDone) {
+        if (up.isDown && count < 45 && fallDone && hasTouchedGround) {
             activeChar.vy = -2;
             count++;
         } else {