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v1.0.05

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Azgaar 2019-09-01 21:05:38 +03:00
parent ee70be134f
commit 59785125b0
6 changed files with 150 additions and 30 deletions
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9
modules/utils.js
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@ -24,13 +24,14 @@ function getBoundaryPoints(width, height, spacing) {
// get points on a regular square grid and jitter them a bit
function getJitteredGrid(width, height, spacing) {
const radius = spacing / 2; // square radius
const jittering = radius * 0.9; // max deviation
const jitter = function() {return Math.random() * 2 * jittering - jittering;};
const jittering = radius * .9; // max deviation
const jitter = () => Math.random() * 2 * jittering - jittering;
let points = [];
for (let y = radius; y < height; y += spacing) {
for (let x = radius; x < width; x += spacing) {
let xj = rn(x + jitter(), 2);
let yj = rn(y + jitter(), 2);
const xj = Math.min(rn(x + jitter(), 2), width);
const yj = Math.min(rn(y + jitter(), 2), height);
points.push([xj, yj]);
}
}