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move packer to kiri, mesh to own directory, normalize work/pool names

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This commit is contained in:
Stewart Allen 2021-12-28 15:52:28 -05:00
commit 7176ab0822
11 changed files with 56 additions and 24 deletions
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98
src/moto/pack.js
View file

@ -1,98 +0,0 @@
/** Copyright Stewart Allen <sa@grid.space> -- All Rights Reserved */
"use strict";
/**
* adapted from
* http://codeincomplete.com/posts/2011/5/7/bin_packing/
*/
(function () {
let moto = self.moto = self.moto || {};
if (moto.Pack) return;
moto.Pack = Packer;
moto.Sort = function (a, b) {
let aa = (a.w * a.h);
let ab = (b.w * b.h);
if (Math.abs(aa-ab) < 1) {
return (b.w / b.h) - (a.w / a.h);
} else {
return ab - aa;
}
};
function Packer (w, h, spacing) {
this.root = { x: 0, y: 0, w: w, h: h };
this.max = { w: 0, h: 0 };
this.packed = false;
this.spacing = typeof(spacing) === 'number' ? spacing : 1;
this.pad = this.spacing / 2;
}
Packer.prototype = {
simple: function (blocks) {
let n = 0, block, x = 0, y = 0, mh = 0;
while (n < blocks.length) {
block = blocks[n++];
block.fit = { x, y };
this.max.w = Math.max(this.max.w, x + block.w);
this.max.h = Math.max(this.max.h, y + block.h);
mh = Math.max(mh, block.h);
x += block.w + this.spacing;
if (x > this.root.w) {
x = 0;
y += mh + this.spacing;
mh = 0;
}
if (y > this.root.h) {
return this;
}
}
this.packed = true;
return this;
},
fit: function (blocks, simple) {
if (simple) {
return this.simple(blocks);
}
let n = 0, node, block, w, h;
while (n < blocks.length) {
block = blocks[n++];
w = block.w + this.spacing;
h = block.h + this.spacing;
if (node = this.findNode(this.root, w, h)) {
block.fit = this.splitNode(node, w, h);
} else {
return this;
}
}
this.packed = true;
return this;
},
findNode: function (root, w, h) {
if (root.used) {
return this.findNode(root.right, w, h) || this.findNode(root.down, w, h);
} else if (w <= root.w && h <= root.h) {
return root;
} else {
return null;
}
},
splitNode: function (node, w, h) {
node.used = true;
node.down = { x: node.x, y: node.y + h, w: node.w, h: node.h - h };
node.right = { x: node.x + w, y: node.y, w: node.w - w, h: h };
this.max.w = Math.max(this.max.w, node.x + w);
this.max.h = Math.max(this.max.h, node.y + h);
return node;
}
};
})();

2
src/moto/space.js
View file

@ -1182,6 +1182,8 @@
requestAnimationFrame(animate);
if (docVisible && !freeze && Date.now() - lastAction < 1500) {
renderer.render(SCENE, camera);
} else {
fps = 0;
}
}