nat-n
/ find_in_pi.rb
Created
October 20, 2012 12:50
Command line executable which searches for the first occurence of a given string in PI, in the form of an ascii base10 string.
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| #!/usr/bin/env ruby | |
| # encoding: utf-8 | |
| # | |
| # Created by Nat Noordanus on 2012-10-20. | |
| # | |
| # requires a text file of digits of pi http://stuff.mit.edu/afs/sipb/contrib/pi/pi-billion.txt | |
| def find_in_pi string, pi_file_path | |
| # convert string to base 10 ascii |
nat-n
/ Monadik_Async_Chain.coffee
Created
September 3, 2012 14:48
In the smallest possible Coffeescript code, chain an array of async callbacks to "thread" their evaluation order. Inspired from Haskell
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| # Construct a chained array of callbacks that "thread" a sequence of async functions in the smallest possible code. | |
| # tldr; call the next async function in fn, "wait" for its callback to store the result and call the next async callback in cb | |
| # each async function | |
| # accepts 1 callback argument | |
| # passes 1 arg of result data to the callback | |
| # construct the callback | |
| # when callback in cb evaluates, replaces itself in cb array with the result | |
| # calls the next callback in cb | |
| # after last callback in cb, return joined results stored in cb |
nat-n
/ action_helper.js.coffee
Created
June 11, 2012 12:41
largest circle fitting onto jax picking regions with debugging visualisation, also uses Raphael and https://github.com/gorhill/Javascript-Voronoi
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| Jax.getGlobal().ApplicationHelper = Jax.Helper.create | |
| patch_world: -> | |
| Jax.World.prototype.find_region_centers = () -> | |
| context = this.context | |
| w = context.canvas.width | |
| h = context.canvas.height | |
| f = 4 | |
| wf = w*f | |
| data = new Uint8Array(w*h*4) | |
| pickBuffer = new Jax.Framebuffer |
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| Jax.getGlobal().ApplicationHelper = Jax.Helper.create | |
| patch_world: -> | |
| Jax.World.prototype.pick_all_visible = () -> | |
| context = this.context | |
| w = context.canvas.width | |
| h = context.canvas.height | |
| data = new Uint8Array(w*h*4) | |
| data.w = w | |
| data.h = h | |
| data.f = f = 4 |
nat-n
/ mybsp_controller.js.coffee
Created
February 12, 2012 21:26
Jax controller trying to use the coldet plugin
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| Jax.Controller.create "Mybsp", ApplicationController, | |
| index: -> | |
| sphere = new Jax.Mesh.Sphere | |
| this.ball1 = new Jax.Model({ mesh:sphere }) | |
| this.ball2 = new Jax.Model({ mesh:sphere, position:[0,5,0] }) | |
| this.ball1.bsp = new BSP | |
| this.ball2.bsp = new BSP |
nat-n
/ async_helper.js.coffee
Created
December 8, 2011 21:54
A JaxGL Helper used by gist:1448410 to load and display a model from ajax and/or indexedDB
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| Jax.getGlobal().AsyncHelper = Jax.Helper.create | |
| load_from_idb: (idb_name, os_name, key, onsuccess, onfailure) -> | |
| indexedDB = window.indexedDB || window.webkitIndexedDB || window.mozIndexedDB | |
| IDBTransaction = IDBTransaction || window.webkitIDBTransaction | |
| IDBKeyRange = IDBKeyRange || window.webkitIDBKeyRange | |
| idb_request = indexedDB.open @indexedDB | |
| idb_request.onsuccess = (e) => | |
| idb = e.target.result | |
| if idb.objectStoreNames.contains @objectStore |
nat-n
/ loadedmesh.js.coffee
Created
December 8, 2011 20:26
A JaxGL Model file which uses AsyncHelper.js.coffee (gist: 1448794) to load and display a model from ajax and/or indexedDB
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| Jax.getGlobal()['LoadedMesh'] = Jax.Model.create | |
| after_initialize: -> | |
| model_data = null | |
| @mesh = new Jax.Mesh | |
| init: (vertices, colors, texCoords, normals, indices) -> | |
| if model_data | |
| vertices.push datum for datum in model_data["vertices"][0]["values"] | |
| normals.push datum for datum in model_data["vertices"][1]["values"] | |
| indices.push datum for datum in model_data["connectivity"][0]["indices"] | |
| update: ((updated_mesh) => model_data = updated_mesh; @mesh.rebuild()) |
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