keep the ball up - basic - drag and through the ball + score (no topborder) by Karel Rosseel original ZIM10 file https://zimjs.com/physics/keepup.html video teaser https://youtu.be/ZvWCwYqsSjE?t=72 https://zimjs.com/zapp/E_C6QGM Pic Circle Rectangle Label Button Pane tap drag noMouse addPhysics cur sha pos reg sca scaleTo center Emitter Physics Boundary | physics	PROMO EDITOR	FULL SLATE
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