Can I diversion the control input of a platform object?
If press left arrow key then platform move to left.
Can I control this input to move to right?
I know I can use Simulate control in key press event.
Simulate control
key press
But does this move the same distance for 1 second at 30fps and 60fps?
When you add platform behaviour 'default controls' is ticked, untick this and you can simulate whatever you want with events.
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Yes, all behaviors are frame-rate independent, as long as your frame rate is 30fps or higher.
Also, if you need continuous movement, use "Is key down" event, not "On key pressed"