Constellations/js/Mode/Play.js

import Grid;
import GUI;
import at from Grid.Util;

return {
	events: {
		onClick: onClick
	}
};

function onClick(e, cell) {
	if(Grid.get().missing.size() < 1) {
		rotateState(at(Grid.get().cells, cell));
	}
}

function rotateState(cell) {
	if(cell.classList.contains('off')) {
		if(cell.textContent == '*') {
			cell.classList.remove('off');
			cell.textContent = '';
		} else {
			cell.textContent = '*';
		}
	} else {
		cell.classList.add('off');
	}
}