its hard to explain what I mean, Something like that - https://developers.google.com/blockly/ or https://scratch.mit.edu/ or http://vld.fpscr.tk/
Dragging different pieces And set sticky connection between them. i can do this with construct 2???
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It won't be easy, but it's possible.. Search for the "Node" in the forums. There a example somewhere by R0J0hound used node based system to control of the car sprite if I remember correctly. That could give you some ideas.
Here's the one skinkan is talking about:
And here's another:
But yeah, it's not really too simple, as both capx of relatively efficient events are both at least 100 events a piece.