// 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;
}
}
