Percent: How curve-y the line is. 85-99 works best. My favorite is 96. Try this at 100 and see what happens! Height at 0: The y-position at x=0. Basically anything works here. My favorite is 75. Try this at 0 and see what happens! Press space to change backdrops.
1.3.1: https://scratch.mit.edu/projects/516457366/ 1.2.1: https://scratch.mit.edu/projects/516372222/ 1.2.0: https://scratch.mit.edu/projects/516357410/ 1.1.0: https://scratch.mit.edu/projects/516369023/ 1.0.0: https://scratch.mit.edu/projects/516369202/