Matt Lundstrom mattlundstrom
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| bilerp(s,t) = t*(s*p3+(1-s)*p2) + (1-t)*(s*p1+(1-s)*p0) |
mattlundstrom
/ Request Animation Frame
Last active
December 22, 2015 00:59
— forked from paulirish/rAF.js
Request Animation Frame
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| // http://paulirish.com/2011/requestanimationframe-for-smart-animating/ | |
| // http://my.opera.com/emoller/blog/2011/12/20/requestanimationframe-for-smart-er-animating | |
| // requestAnimationFrame polyfill by Erik Möller. fixes from Paul Irish and Tino Zijdel | |
| // MIT license | |
| (function() { | |
| var lastTime = 0; | |
| var vendors = ['ms', 'moz', 'webkit', 'o']; |
mattlundstrom
/ Canvas Mouse Handling
Created
August 30, 2013 19:11
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| var mouse = { | |
| down: false, | |
| x: 0, | |
| y: 0 | |
| }; | |
| canvas.onmousedown = function(e) { | |
| mouse.down = true; | |
| return false; | |
| }; |
mattlundstrom
/ jquery.paste_image_reader.js
Created
August 30, 2013 17:51
— forked from STRd6/jquery.paste_image_reader.js
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| // Created by STRd6 | |
| // MIT License | |
| // jquery.paste_image_reader.js | |
| (function($) { | |
| var defaults; | |
| $.event.fix = (function(originalFix) { | |
| return function(event) { | |
| event = originalFix.apply(this, arguments); | |
| if (event.type.indexOf('copy') === 0 || event.type.indexOf('paste') === 0) { | |
| event.clipboardData = event.originalEvent.clipboardData; |
mattlundstrom
/ Get Javascript Object Type
Last active
December 21, 2015 20:39
Get Javascript Object Type
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| function type(obj){ | |
| return Object.prototype.toString.call(obj).slice(8, -1); | |
| } |
mattlundstrom
/ Execute Function By Name
Last active
December 21, 2015 20:39
Execute Function By Name
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| function executeFunctionByName(functionName, context /*, args */) { | |
| var args = Array.prototype.slice.call(arguments).splice(2); | |
| var namespaces = functionName.split("."); | |
| var func = namespaces.pop(); | |
| for(var i = 0; i < namespaces.length; i++) { | |
| context = context[namespaces[i]]; | |
| } | |
| return context[func].apply(this, args); | |
| } |
mattlundstrom
/ Easing.js
Created
August 28, 2013 03:19
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| var Easing = { | |
| easeInQuad: function (t, b, c, d) { | |
| return c*(t/=d)*t + b; | |
| }, | |
| easeOutQuad: function (t, b, c, d) { | |
| return -c *(t/=d)*(t-2) + b; | |
| }, | |
| easeInOutQuad: function (t, b, c, d) { | |
| if ((t/=d/2) < 1) return c/2*t*t + b; |
mattlundstrom
/ random lerp map norm
Last active
December 21, 2015 18:29
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| random: function( min, max ) { | |
| if ( isArray( min ) ) | |
| return min[ ~~( M.random() * min.length ) ]; | |
| if ( !isNumber( max ) ) | |
| max = min || 1, min = 0; |
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| function map(_val, _min1, _max1, _min2, _max2) | |
| { | |
| return ((_val - _min1)/(_max1 - _min1)) * (_max2 - _min2) + _min2; | |
| } |
mattlundstrom
/ Color.js
Created
August 26, 2013 07:36
— forked from neolitec/Color.js
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| var Color = function() { | |
| this.r = this.g = this.b = 0; | |
| this.h = this.s = this.l = 0; | |
| this.a = 1; | |
| }; | |
| /** RGB */ | |
| Color.prototype.cssRGB = function() { | |
| return "rgb("+Math.round(255*this.r)+","+Math.round(255*this.g)+","+Math.round(255*this.b)+")"; | |
| }; | |
| Color.prototype.cssRGBA = function() { |