scripts/physics.js
//function to call expand or hide, based on situation
function to call expand or hide, based on situation
function to call expand or hide based on situation
function change4() {
	if (counter4 % 2 == 0) {
		expand4()
	}
	else {
		hide4()
	}
	counter4++;
}
function change4 ( ) { if ( counter4 % 2 == 0 ) { expand4 ( ) } else { hide4 ( ) } counter4 ++ ; }
function to call expand or hide, based on situation
function to call expand or hide based on situation