cm.js

function renderMatrix(roomName, costMatrix, color = '#ff0000') {
		var vis = Game.rooms[roomName].visual;

		const array = costMatrix._bits;

		var max = _.max(array);

		for (var x = 0; x < 50; ++x) {
			for (var y = 0; y < 50; ++y) {
				var value = array[x * 50 + y];
				if (value > 0) {
					vis.circle(x, y, { radius: value / max / 2, fill: color });
					//vis.text(value, x, y);
				}
			}
		}
	}