// define array position of text
	var textString = 'happylunarnewyear2017';

	var textMatrix = [
		4.5, 0, 5.5, 0, 6.5, 0, 7.5, 0, 8.5, 0,
		0, 1, 1, 1, 2, 1, 3, 1, 4, 1, 6, 1, 7, 1, 8, 1, 10, 1, 11, 1, 12, 1, 13, 1,
		5, 2, 6, 2, 7, 2, 8, 2
	]
	var chars = {
		h: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7,
			1, 3, 2, 3, 3, 3, 4, 3,
			5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 5, 6, 5, 7
		],
		a: [
			2, 0, 2, 1, 2, 2, 1, 2, 1, 3, 1, 4, 1, 5, 0, 5, 0, 6, 0, 7, 2, 5,
			3, 0, 3, 1, 3, 2, 4, 2, 4, 3, 4, 4, 4, 1, 5, 5, 5, 6, 5, 7, 3, 5
		],
		p: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7,
			1, 0, 2, 0, 3, 0, 4, 1, 5, 2, 4, 3, 3, 4, 2, 4, 1, 4
		],
		y: [
			0, 0, 0, 1, 1, 1, 1, 2, 1, 3, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7,
			3, 2, 3, 3, 4, 1, 4, 2, 5, 0, 5, 1
		],
		l: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7,
			1, 7, 2, 7, 3, 7, 4, 7, 5, 7
		],
		u: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6,
			1, 7, 2, 7, 3, 7, 4, 7,
			5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 5, 6
		],
		n: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7,
			1, 1, 1, 2, 2, 2, 2, 3, 2, 4, 3, 4, 3, 5, 4, 5, 4, 6,
			5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 5, 6, 5, 7
		],
		e: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7,
			1, 0, 2, 0, 3, 0, 4, 0, 5, 0,
			1, 3, 2, 3, 3, 3, 4, 3,
			1, 7, 2, 7, 3, 7, 4, 7, 5, 7
		],
		w: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 1, 6,
			2, 1, 2, 2, 2, 3, 2, 4, 2, 5, 2, 6, 2, 7, 3, 7,
			5, 0, 5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 4, 5, 4, 6
		],
		r: [
			0, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6, 0, 7,
			1, 0, 2, 0, 3, 0, 4, 1, 5, 2, 4, 3, 3, 4, 2, 4, 1, 4,
			1, 5, 2, 5, 3, 6, 4, 6, 5, 7
		],
		2: [
			0, 1, 0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 5, 1, 5, 2, 5, 3,
			4, 3, 3, 3, 2, 3, 2, 4, 1, 4, 1, 5,
			0, 5, 0, 6, 0, 7, 1, 7, 2, 7, 3, 7, 4, 7, 5, 7, 5, 6
		],
		0: [
			0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0, 6,1, 0, 2, 0, 3, 0, 4, 0,1, 7, 2, 7, 3, 7, 4, 7,5, 1, 5, 2, 5, 3, 5, 4, 5, 5, 5, 6
		],
		1: [
			1, 2, 2, 2, 2, 1, 3, 1, 3, 0,
			4, 0, 4, 1, 4, 2, 4, 3, 4, 4, 4, 5, 4, 6, 4, 7,
			1, 7, 2, 7, 3, 7, 5, 7
		],
		7: [
			0, 0, 1, 0, 2, 0, 3, 0, 4, 0, 5, 0,
			5, 1, 5, 2, 5, 3, 4, 3, 4, 4,
			3, 4, 3, 5, 3, 6,2, 3, 7
		]
	}

	function initText() {
		var i = 0;
		var velocity = Math.random() * 0.25 + 1;
		var shift = { x: -(Math.random() + 2), y: -(Math.random() + 3) };
		var char = chars[textString[i]];
		
		var width = 80;
		var half = 6.5 * width;
		var left = textMatrix[i * 2] * width - half;
		var top = textMatrix[i * 2 + 1] * range * 1.2 - range * 2.4;
		for (var j = 0; j < fireNumber * char.length * 0.25; j++) {
			var rand = Math.floor(Math.random() * char.length * 0.5);
			var x = char[rand * 2] + shift.x;
			var y = char[rand * 2 + 1] + shift.y;
			var text = {
				x: center.x + left * 0.9,
				y: center.y + top,
				left: center.x + left,
				size: Math.random() + 0.5,
				fill: '#ff3',
				vx: x * (velocity + (Math.random() - 0.5) * 0.5),
				vy: y * (velocity + (Math.random() - 0.5) * 0.5),
				ay: 0.08,
				alpha: 1,
				life: Math.round(Math.random() * range / 2) + range / 1.5
			}
			text.base = {
				life: text.life,
				size: text.size,
			};
			text.direct = (text.left - text.x) * 0.08;
			listText.push(text);
		}
		// play sound
		// playExpSound();
		//
		lights.push({ x: center.x + left * 0.9, y: center.y + top, color: text.fill, radius: range * 2 });
		if (++textIndex < textString.length) {
			setTimeout(initText, 10);
		}
		else {
			textIndex = 0;
		}
	}