Use the sliders to change the object's position. You can rotate the square in the center of the screen I quickly found out that it was harder to detect a collision if an object is rotated, so this is a revamp of my other collision detector.
IT WORKS LETS GOO! Turbowarp or 3 FPS, your choice: https://turbowarp.org/963246206/fullscreen?hqpen&fps=60 The collision list will have "Collision!" in it if the objects are touching.