Marcin Ignac vorg
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| <!DOCTYPE html> | |
| <html> | |
| <head> | |
| <script type="text/javascript" src="js/paper.js"></script> | |
| <script type="text/javascript" src="js/paper-error.js"></script> | |
| <script type="text/javascript" src="js/paper-timeline.js"></script> | |
| <script type="text/paperscript" canvas="myCanvas"> | |
| //scaling |
vorg
/ gist:9511832
Created
March 12, 2014 17:24
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| heapdump = require('heapdump') | |
| memwatch = require('memwatch') | |
| memwatch.on 'leak', (info) -> console.log('leak', info) | |
| memwatch.on 'stats', (stats) -> console.log('stats', stats) | |
| if frame % 25 == 1 | |
| hd = new memwatch.HeapDiff() | |
| if frame % 25 == 24 | |
| diff = hd.end() |
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| ;;make some complex hashmap with numbers, edges and complex structs | |
| (def c {:from 0 :to 1 [0, 1] 3 #{0 {:x 2 :y 3} 1 {:x 0 :y 3}} 4}) | |
| ;;test getting edge value | |
| (get c #{0 {:x 2 :y 3} 1 {:x 0 :y 3}}) | |
| ;;define points | |
| (def p1 {:x 2 :y 3}) | |
| (def p2 {:x 0 :y 3}) |
vorg
/ gist:4578bd0e01efb9122f94
Last active
August 29, 2015 14:04
NPM Police - Tired with npm modules putting lot of junk into distributions here is a list of the guilty ones:
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| sha.js - test 700KB | |
| https://github.com/dominictarr/sha.js/issues/5 | |
| esprima - test 700KB | |
| https://github.com/ariya/esprima | |
| https://code.google.com/p/esprima/issues/detail?id=573&thanks=573&ts=1406550115 | |
| browser-sync - cache 55MB | |
| https://github.com/shakyShane/browser-sync/issues/212 |
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| How would you partition array into pairs in Ramda? [0, 1, 2, 3, 4, 5] -> [[0,1], [2, 3], [4, 5]] | |
| //@vorg - my solution | |
| var hasEvenIndex = function(n, i) { return i % 2 == 0; }; | |
| var hasOddIndex = function(n, i) { return i % 2 == 1; }; | |
| function pairs(list) { | |
| var evens = R.filter.idx(hasEvenIndex)(list); | |
| var odds = R.filter.idx(hasOddIndex)(list); | |
| return R.zip(evens, odds); |
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| var R = require('ramda'); | |
| var list = ['a', 'b', 'c']; | |
| var edges = [[0, 1], [1,2]]; | |
| var values; | |
| //1 | |
| values = edges.map(function(edge) { | |
| return [ list[edge[0]], list[edge[1]] ]; | |
| }); |
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| GeomUtils.center3 = function(points) { | |
| var sum = new Vec3(0, 0, 0); | |
| for(var i=0; i<points.length; i++) { | |
| sum.add(points[i]); | |
| } | |
| sum.scale(1/points.length); | |
| return sum; | |
| } | |
| GeomUtils.center3R = function(points) { |
vorg
/ gist:d49eaaad758fcf0b57a9ef16422c331d
Last active
September 12, 2016 18:42
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| FXStage.prototype.drawFullScreenQuadAt = function (x, y, width, height, image, program) { | |
| var regl = this.regl | |
| program = program || this.fullscreenQuad.program | |
| if (!this.blitCmd) { | |
| this.blitCmd = regl({ | |
| // depth: { enable: false }, | |
| // viewport: { x: x, y: y, width: width, height: height }, | |
| attributes: this.fullscreenQuad.attributes, | |
| elements: this.fullscreenQuad.elements, | |
| vert: regl.prop('vert'), |
vorg
/ gist:32b573b9e4d3f88218c7b4115aa2641e
Created
September 12, 2016 18:57
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| /* | |
| <p> This example shows how to draw a mesh with regl </p> | |
| */ | |
| const regl = require('regl')() | |
| const mat4 = require('gl-mat4') | |
| const bunny = require('bunny') | |
| var vert = ` | |
| precision mediump float; | |
| attribute vec3 position; |
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| var regl = require('regl')() | |
| regl.clear({ | |
| color: [0, 0, 0, 1], | |
| depth: 1 | |
| }) | |
| // In regl, draw operations are specified declaratively using. Each JSON | |
| // command is a complete description of all state. This removes the need to | |
| // .bind() things like buffers or shaders. All the boilerplate of setting up |
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