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bundle.js
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(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
'use strict'
module.exports = createCamera
var now = require('right-now')
var createView = require('3d-view')
var mouseChange = require('mouse-change')
var mouseWheel = require('mouse-wheel')
var mouseOffset = require('mouse-event-offset')
function createCamera(element, options) {
element = element || document.body
options = options || {}
var limits = [ 0.01, Infinity ]
if('distanceLimits' in options) {
limits[0] = options.distanceLimits[0]
limits[1] = options.distanceLimits[1]
}
if('zoomMin' in options) {
limits[0] = options.zoomMin
}
if('zoomMax' in options) {
limits[1] = options.zoomMax
}
var view = createView({
center: options.center || [0,0,0],
up: options.up || [0,1,0],
eye: options.eye || [0,0,10],
mode: options.mode || 'orbit',
distanceLimits: limits
})
var pmatrix = [0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0]
var distance = 0.0
var width = element.clientWidth
var height = element.clientHeight
var camera = {
view: view,
element: element,
delay: options.delay || 16,
rotateSpeed: options.rotateSpeed || 1,
zoomSpeed: options.zoomSpeed || 1,
translateSpeed: options.translateSpeed || 1,
flipX: !!options.flipX,
flipY: !!options.flipY,
modes: view.modes,
tick: function() {
var t = now()
var delay = this.delay
view.idle(t-delay)
view.flush(t-(100+delay*2))
var ctime = t - 2 * delay
view.recalcMatrix(ctime)
var allEqual = true
var matrix = view.computedMatrix
for(var i=0; i<16; ++i) {
allEqual = allEqual && (pmatrix[i] === matrix[i])
pmatrix[i] = matrix[i]
}
var sizeChanged =
element.clientWidth === width &&
element.clientHeight === height
width = element.clientWidth
height = element.clientHeight
if(allEqual) {
return !sizeChanged
}
distance = Math.exp(view.computedRadius[0])
return true
},
lookAt: function(center, eye, up) {
view.lookAt(view.lastT(), center, eye, up)
},
rotate: function(pitch, yaw, roll) {
view.rotate(view.lastT(), pitch, yaw, roll)
},
pan: function(dx, dy, dz) {
view.pan(view.lastT(), dx, dy, dz)
},
translate: function(dx, dy, dz) {
view.translate(view.lastT(), dx, dy, dz)
}
}
Object.defineProperties(camera, {
matrix: {
get: function() {
return view.computedMatrix
},
set: function(mat) {
view.setMatrix(view.lastT(), mat)
return view.computedMatrix
},
enumerable: true
},
mode: {
get: function() {
return view.getMode()
},
set: function(mode) {
view.setMode(mode)
return view.getMode()
},
enumerable: true
},
center: {
get: function() {
return view.computedCenter
},
set: function(ncenter) {
view.lookAt(view.lastT(), ncenter)
return view.computedCenter
},
enumerable: true
},
eye: {
get: function() {
return view.computedEye
},
set: function(neye) {
view.lookAt(view.lastT(), null, neye)
return view.computedEye
},
enumerable: true
},
up: {
get: function() {
return view.computedUp
},
set: function(nup) {
view.lookAt(view.lastT(), null, null, nup)
return view.computedUp
},
enumerable: true
},
distance: {
get: function() {
return distance
},
set: function(d) {
view.setDistance(view.lastT(), d)
return d
},
enumerable: true
},
distanceLimits: {
get: function() {
return view.getDistanceLimits(limits)
},
set: function(v) {
view.setDistanceLimits(v)
return v
},
enumerable: true
}
})
element.addEventListener('contextmenu', function(ev) {
ev.preventDefault()
return false
})
var lastX = 0, lastY = 0, lastMods = {shift: false, control: false, alt: false, meta: false}
mouseChange(element, handleInteraction)
//enable simple touch interactions
element.addEventListener('touchstart', function (ev) {
var xy = mouseOffset(ev.changedTouches[0], element)
handleInteraction(0, xy[0], xy[1], lastMods)
handleInteraction(1, xy[0], xy[1], lastMods)
})
element.addEventListener('touchmove', function (ev) {
var xy = mouseOffset(ev.changedTouches[0], element)
handleInteraction(1, xy[0], xy[1], lastMods)
})
element.addEventListener('touchend', function (ev) {
var xy = mouseOffset(ev.changedTouches[0], element)
handleInteraction(0, lastX, lastY, lastMods)
})
function handleInteraction (buttons, x, y, mods) {
var scale = 1.0 / element.clientHeight
var dx = scale * (x - lastX)
var dy = scale * (y - lastY)
var flipX = camera.flipX ? 1 : -1
var flipY = camera.flipY ? 1 : -1
var drot = Math.PI * camera.rotateSpeed
var t = now()
if(buttons & 1) {
if(mods.shift) {
view.rotate(t, 0, 0, -dx * drot)
} else {
view.rotate(t, flipX * drot * dx, -flipY * drot * dy, 0)
}
} else if(buttons & 2) {
view.pan(t, -camera.translateSpeed * dx * distance, camera.translateSpeed * dy * distance, 0)
} else if(buttons & 4) {
var kzoom = camera.zoomSpeed * dy / window.innerHeight * (t - view.lastT()) * 50.0
view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1))
}
lastX = x
lastY = y
lastMods = mods
}
mouseWheel(element, function(dx, dy, dz) {
var flipX = camera.flipX ? 1 : -1
var flipY = camera.flipY ? 1 : -1
var t = now()
if(Math.abs(dx) > Math.abs(dy)) {
view.rotate(t, 0, 0, -dx * flipX * Math.PI * camera.rotateSpeed / window.innerWidth)
} else {
var kzoom = camera.zoomSpeed * flipY * dy / window.innerHeight * (t - view.lastT()) / 100.0
view.pan(t, 0, 0, distance * (Math.exp(kzoom) - 1))
}
}, true)
return camera
}
},{"3d-view":2,"mouse-change":88,"mouse-event-offset":89,"mouse-wheel":91,"right-now":102}],2:[function(require,module,exports){
'use strict'
module.exports = createViewController
var createTurntable = require('turntable-camera-controller')
var createOrbit = require('orbit-camera-controller')
var createMatrix = require('matrix-camera-controller')
function ViewController(controllers, mode) {
this._controllerNames = Object.keys(controllers)
this._controllerList = this._controllerNames.map(function(n) {
return controllers[n]
})
this._mode = mode
this._active = controllers[mode]
if(!this._active) {
this._mode = 'turntable'
this._active = controllers.turntable
}
this.modes = this._controllerNames
this.computedMatrix = this._active.computedMatrix
this.computedEye = this._active.computedEye
this.computedUp = this._active.computedUp
this.computedCenter = this._active.computedCenter
this.computedRadius = this._active.computedRadius
}
var proto = ViewController.prototype
var COMMON_METHODS = [
['flush', 1],
['idle', 1],
['lookAt', 4],
['rotate', 4],
['pan', 4],
['translate', 4],
['setMatrix', 2],
['setDistanceLimits', 2],
['setDistance', 2]
]
COMMON_METHODS.forEach(function(method) {
var name = method[0]
var argNames = []
for(var i=0; i<method[1]; ++i) {
argNames.push('a'+i)
}
var code = 'var cc=this._controllerList;for(var i=0;i<cc.length;++i){cc[i].'+method[0]+'('+argNames.join()+')}'
proto[name] = Function.apply(null, argNames.concat(code))
})
proto.recalcMatrix = function(t) {
this._active.recalcMatrix(t)
}
proto.getDistance = function(t) {
return this._active.getDistance(t)
}
proto.getDistanceLimits = function(out) {
return this._active.getDistanceLimits(out)
}
proto.lastT = function() {
return this._active.lastT()
}
proto.setMode = function(mode) {
if(mode === this._mode) {
return
}
var idx = this._controllerNames.indexOf(mode)
if(idx < 0) {
return
}
var prev = this._active
var next = this._controllerList[idx]
var lastT = Math.max(prev.lastT(), next.lastT())
prev.recalcMatrix(lastT)
next.setMatrix(lastT, prev.computedMatrix)
this._active = next
this._mode = mode
//Update matrix properties
this.computedMatrix = this._active.computedMatrix
this.computedEye = this._active.computedEye
this.computedUp = this._active.computedUp
this.computedCenter = this._active.computedCenter
this.computedRadius = this._active.computedRadius
}
proto.getMode = function() {
return this._mode
}
function createViewController(options) {
options = options || {}
var eye = options.eye || [0,0,1]
var center = options.center || [0,0,0]
var up = options.up || [0,1,0]
var limits = options.distanceLimits || [0, Infinity]
var mode = options.mode || 'turntable'
var turntable = createTurntable()
var orbit = createOrbit()
var matrix = createMatrix()
turntable.setDistanceLimits(limits[0], limits[1])
turntable.lookAt(0, eye, center, up)
orbit.setDistanceLimits(limits[0], limits[1])
orbit.lookAt(0, eye, center, up)
matrix.setDistanceLimits(limits[0], limits[1])
matrix.lookAt(0, eye, center, up)
return new ViewController({
turntable: turntable,
orbit: orbit,
matrix: matrix
}, mode)
}
},{"matrix-camera-controller":87,"orbit-camera-controller":94,"turntable-camera-controller":108}],3:[function(require,module,exports){
/* The following list is defined in React's core */
var IS_UNITLESS = {
animationIterationCount: true,
boxFlex: true,
boxFlexGroup: true,
boxOrdinalGroup: true,
columnCount: true,
flex: true,
flexGrow: true,
flexPositive: true,
flexShrink: true,
flexNegative: true,
flexOrder: true,
gridRow: true,
gridColumn: true,
fontWeight: true,
lineClamp: true,
lineHeight: true,
opacity: true,
order: true,
orphans: true,
tabSize: true,
widows: true,
zIndex: true,
zoom: true,
// SVG-related properties
fillOpacity: true,
stopOpacity: true,
strokeDashoffset: true,
strokeOpacity: true,
strokeWidth: true
};
module.exports = function(name, value) {
if(typeof value === 'number' && !IS_UNITLESS[ name ]) {
return value + 'px';
} else {
return value;
}
};
},{}],4:[function(require,module,exports){
"use strict"
function compileSearch(funcName, predicate, reversed, extraArgs, useNdarray, earlyOut) {
var code = [
"function ", funcName, "(a,l,h,", extraArgs.join(","), "){",
earlyOut ? "" : "var i=", (reversed ? "l-1" : "h+1"),
";while(l<=h){\
var m=(l+h)>>>1,x=a", useNdarray ? ".get(m)" : "[m]"]
if(earlyOut) {
if(predicate.indexOf("c") < 0) {
code.push(";if(x===y){return m}else if(x<=y){")
} else {
code.push(";var p=c(x,y);if(p===0){return m}else if(p<=0){")
}
} else {
code.push(";if(", predicate, "){i=m;")
}
if(reversed) {
code.push("l=m+1}else{h=m-1}")
} else {
code.push("h=m-1}else{l=m+1}")
}
code.push("}")
if(earlyOut) {
code.push("return -1};")
} else {
code.push("return i};")
}
return code.join("")
}
function compileBoundsSearch(predicate, reversed, suffix, earlyOut) {
var result = new Function([
compileSearch("A", "x" + predicate + "y", reversed, ["y"], false, earlyOut),
compileSearch("B", "x" + predicate + "y", reversed, ["y"], true, earlyOut),
compileSearch("P", "c(x,y)" + predicate + "0", reversed, ["y", "c"], false, earlyOut),
compileSearch("Q", "c(x,y)" + predicate + "0", reversed, ["y", "c"], true, earlyOut),
"function dispatchBsearch", suffix, "(a,y,c,l,h){\
if(a.shape){\
if(typeof(c)==='function'){\
return Q(a,(l===undefined)?0:l|0,(h===undefined)?a.shape[0]-1:h|0,y,c)\
}else{\
return B(a,(c===undefined)?0:c|0,(l===undefined)?a.shape[0]-1:l|0,y)\
}}else{\
if(typeof(c)==='function'){\
return P(a,(l===undefined)?0:l|0,(h===undefined)?a.length-1:h|0,y,c)\
}else{\
return A(a,(c===undefined)?0:c|0,(l===undefined)?a.length-1:l|0,y)\
}}}\
return dispatchBsearch", suffix].join(""))
return result()
}
module.exports = {
ge: compileBoundsSearch(">=", false, "GE"),
gt: compileBoundsSearch(">", false, "GT"),
lt: compileBoundsSearch("<", true, "LT"),
le: compileBoundsSearch("<=", true, "LE"),
eq: compileBoundsSearch("-", true, "EQ", true)
}
},{}],5:[function(require,module,exports){
var unproject = require('camera-unproject')
var set = require('gl-vec3/set')
var sub = require('gl-vec3/subtract')
var normalize = require('gl-vec3/normalize')
module.exports = createPickRay
function createPickRay(origin, direction, point, viewport, invProjView) {
set(origin, point[0], point[1], 0)
set(direction, point[0], point[1], 1)
unproject(origin, origin, viewport, invProjView)
unproject(direction, direction, viewport, invProjView)
sub(direction, direction, origin)
normalize(direction, direction)
}
},{"camera-unproject":6,"gl-vec3/normalize":77,"gl-vec3/set":79,"gl-vec3/subtract":80}],6:[function(require,module,exports){
var transform = require('./lib/projectMat4')
module.exports = unproject
/**
* Unproject a point from screen space to 3D space.
* The point should have its x and y properties set to
* 2D screen space, and the z either at 0 (near plane)
* or 1 (far plane). The provided matrix is assumed to already
* be combined, i.e. projection * view.
*
* After this operation, the out vector's [x, y, z] components will
* represent the unprojected 3D coordinate.
*
* @param {vec3} out the output vector
* @param {vec3} vec the 2D space vector to unproject
* @param {vec4} viewport screen x, y, width and height in pixels
* @param {mat4} invProjectionView combined projection and view matrix
* @return {vec3} the output vector
*/
function unproject (out, vec, viewport, invProjectionView) {
var viewX = viewport[0],
viewY = viewport[1],
viewWidth = viewport[2],
viewHeight = viewport[3]
var x = vec[0],
y = vec[1],
z = vec[2]
x = x - viewX
y = viewHeight - y - 1
y = y - viewY
out[0] = (2 * x) / viewWidth - 1
out[1] = (2 * y) / viewHeight - 1
out[2] = 2 * z - 1
return transform(out, out, invProjectionView)
}
},{"./lib/projectMat4":7}],7:[function(require,module,exports){
module.exports = project
/**
* Multiplies the input vec by the specified matrix,
* applying a W divide, and stores the result in out
* vector. This is useful for projection,
* e.g. unprojecting a 2D point into 3D space.
*
* @method prj
* @param {vec3} out the output vector
* @param {vec3} vec the input vector to project
* @param {mat4} m the 4x4 matrix to multiply with
* @return {vec3} the out vector
*/
function project (out, vec, m) {
var x = vec[0],
y = vec[1],
z = vec[2],
a00 = m[0], a01 = m[1], a02 = m[2], a03 = m[3],
a10 = m[4], a11 = m[5], a12 = m[6], a13 = m[7],
a20 = m[8], a21 = m[9], a22 = m[10], a23 = m[11],
a30 = m[12], a31 = m[13], a32 = m[14], a33 = m[15]
var lw = 1 / (x * a03 + y * a13 + z * a23 + a33)
out[0] = (x * a00 + y * a10 + z * a20 + a30) * lw
out[1] = (x * a01 + y * a11 + z * a21 + a31) * lw
out[2] = (x * a02 + y * a12 + z * a22 + a32) * lw
return out
}
},{}],8:[function(require,module,exports){
var size = require('element-size')
module.exports = fit
var scratch = new Float32Array(2)
function fit(canvas, parent, scale) {
var isSVG = canvas.nodeName.toUpperCase() === 'SVG'
canvas.style.position = canvas.style.position || 'absolute'
canvas.style.top = 0
canvas.style.left = 0
resize.scale = parseFloat(scale || 1)
resize.parent = parent
return resize()
function resize() {
var p = resize.parent || canvas.parentNode
if (typeof p === 'function') {
var dims = p(scratch) || scratch
var width = dims[0]
var height = dims[1]
} else
if (p && p !== document.body) {
var psize = size(p)
var width = psize[0]|0
var height = psize[1]|0
} else {
var width = window.innerWidth
var height = window.innerHeight
}
if (isSVG) {
canvas.setAttribute('width', width * resize.scale + 'px')
canvas.setAttribute('height', height * resize.scale + 'px')
} else {
canvas.width = width * resize.scale
canvas.height = height * resize.scale
}
canvas.style.width = width + 'px'
canvas.style.height = height + 'px'
return resize
}
}
},{"element-size":15}],9:[function(require,module,exports){
var add = require('gl-vec2/add');
var scale = require('gl-vec2/scale');
var distance = require('gl-vec2/distance');
var interpolatePoint = function(p0, p1, p2, p3, t0, t1, t2, t3, t) {
var a1, a2, a3, b1, b2, c;
a1 = [];
a2 = [];
a3 = [];
b1 = [];
b2 = [];
c = [];
add(a1, scale([], p0, (t1 - t)/(t1 - t0)), scale([], p1, (t - t0)/(t1 - t0)));
add(a2, scale([], p1, (t2 - t)/(t2 - t1)), scale([], p2, (t - t1)/(t2 - t1)));
add(a3, scale([], p2, (t3 - t)/(t3 - t2)), scale([], p3, (t - t2)/(t3 - t2)));
add(b1, scale([], a1, (t2 - t)/(t2 - t0)), scale([], a2, (t - t0)/(t2 - t0)));
add(b2, scale([], a2, (t3 - t)/(t3 - t1)), scale([], a3, (t - t1)/(t3 - t1)));
add(c, scale([], b1, (t2 - t)/(t2 - t1)), scale([], b2, (t - t1)/(t2 - t1)));
return c;
};
var catmullRomSplineSegment = function(p0, p1, p2, p3, samples, knot) {
var t, t0, t1, t2, t3, segmentDist;
var points = [];
segmentDist = distance(p1, p2);
t0 = 0;
t1 = Math.pow(distance(p0, p1), knot);
t2 = Math.pow(segmentDist, knot) + t1;
t3 = Math.pow(distance(p2, p3), knot) + t2;
if (!samples) {
samples = segmentDist * 1.5;
}
var sampleStep = (t2 - t1) / samples;
t = t1;
while (t < t2) {
t += sampleStep;
points.push(interpolatePoint(p0, p1, p2, p3, t0, t1, t2, t3, t));
}
return points;
};
var catmullRomSpline = function(controlPoints, options) {
if (controlPoints.length < 4) {
throw "Must have at least 4 control points to generate catmull rom spline";
}
var points = [];
var p0, p1, p2, p3, offset;
options = options || {};
var knot = options.knot || 0.5;
var samples = options.samples;
controlPoints.forEach(function(point, i) {
offset = 1;
p0 = point;
do {
p1 = controlPoints[i + offset];
offset++;
} while (p0 && p1 && p0[0] === p1[0] && p0[1] === p1[1]);
do {
p2 = controlPoints[i + offset];
offset++;
} while (p1 && p2 && p1[0] === p2[0] && p1[1] === p2[1]);
do {
p3 = controlPoints[i + offset];
offset++;
} while (p2 && p3 && p2[0] === p3[0] && p2[1] === p3[1]);
if (!(p1 && p2 && p3)) {
return;
}
points.push(p1);
points = points.concat(catmullRomSplineSegment(p0, p1, p2, p3, samples, knot));
if (!controlPoints[offset]) {
points.push(p2);
}
});
return points;
};
module.exports = catmullRomSpline;
},{"gl-vec2/add":42,"gl-vec2/distance":47,"gl-vec2/scale":61}],10:[function(require,module,exports){
"use strict"
function dcubicHermite(p0, v0, p1, v1, t, f) {
var dh00 = 6*t*t-6*t,
dh10 = 3*t*t-4*t + 1,
dh01 = -6*t*t+6*t,
dh11 = 3*t*t-2*t
if(p0.length) {
if(!f) {
f = new Array(p0.length)
}
for(var i=p0.length-1; i>=0; --i) {
f[i] = dh00*p0[i] + dh10*v0[i] + dh01*p1[i] + dh11*v1[i]
}
return f
}
return dh00*p0 + dh10*v0 + dh01*p1[i] + dh11*v1
}
function cubicHermite(p0, v0, p1, v1, t, f) {
var ti = (t-1), t2 = t*t, ti2 = ti*ti,
h00 = (1+2*t)*ti2,
h10 = t*ti2,
h01 = t2*(3-2*t),
h11 = t2*ti
if(p0.length) {
if(!f) {
f = new Array(p0.length)
}
for(var i=p0.length-1; i>=0; --i) {
f[i] = h00*p0[i] + h10*v0[i] + h01*p1[i] + h11*v1[i]
}
return f
}
return h00*p0 + h10*v0 + h01*p1 + h11*v1
}
module.exports = cubicHermite
module.exports.derivative = dcubicHermite
},{}],11:[function(require,module,exports){
module.exports = require('./vendor/dat.gui')
module.exports.color = require('./vendor/dat.color')
},{"./vendor/dat.color":12,"./vendor/dat.gui":13}],12:[function(require,module,exports){
/**
* dat-gui JavaScript Controller Library
* http://code.google.com/p/dat-gui
*
* Copyright 2011 Data Arts Team, Google Creative Lab
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*/
/** @namespace */
var dat = module.exports = dat || {};
/** @namespace */
dat.color = dat.color || {};
/** @namespace */
dat.utils = dat.utils || {};
dat.utils.common = (function () {
var ARR_EACH = Array.prototype.forEach;
var ARR_SLICE = Array.prototype.slice;
/**
* Band-aid methods for things that should be a lot easier in JavaScript.
* Implementation and structure inspired by underscore.js
* http://documentcloud.github.com/underscore/
*/
return {
BREAK: {},
extend: function(target) {
this.each(ARR_SLICE.call(arguments, 1), function(obj) {
for (var key in obj)
if (!this.isUndefined(obj[key]))
target[key] = obj[key];
}, this);
return target;
},
defaults: function(target) {
this.each(ARR_SLICE.call(arguments, 1), function(obj) {
for (var key in obj)
if (this.isUndefined(target[key]))
target[key] = obj[key];
}, this);
return target;
},
compose: function() {
var toCall = ARR_SLICE.call(arguments);
return function() {
var args = ARR_SLICE.call(arguments);
for (var i = toCall.length -1; i >= 0; i--) {
args = [toCall[i].apply(this, args)];
}
return args[0];
}
},
each: function(obj, itr, scope) {
if (ARR_EACH && obj.forEach === ARR_EACH) {
obj.forEach(itr, scope);
} else if (obj.length === obj.length + 0) { // Is number but not NaN
for (var key = 0, l = obj.length; key < l; key++)
if (key in obj && itr.call(scope, obj[key], key) === this.BREAK)
return;
} else {
for (var key in obj)
if (itr.call(scope, obj[key], key) === this.BREAK)
return;
}
},
defer: function(fnc) {
setTimeout(fnc, 0);
},
toArray: function(obj) {
if (obj.toArray) return obj.toArray();
return ARR_SLICE.call(obj);
},
isUndefined: function(obj) {
return obj === undefined;
},
isNull: function(obj) {
return obj === null;
},
isNaN: function(obj) {
return obj !== obj;
},
isArray: Array.isArray || function(obj) {
return obj.constructor === Array;
},
isObject: function(obj) {
return obj === Object(obj);
},
isNumber: function(obj) {
return obj === obj+0;
},
isString: function(obj) {
return obj === obj+'';
},
isBoolean: function(obj) {
return obj === false || obj === true;
},
isFunction: function(obj) {
return Object.prototype.toString.call(obj) === '[object Function]';
}
};
})();
dat.color.toString = (function (common) {
return function(color) {
if (color.a == 1 || common.isUndefined(color.a)) {
var s = color.hex.toString(16);
while (s.length < 6) {
s = '0' + s;
}
return '#' + s;
} else {
return 'rgba(' + Math.round(color.r) + ',' + Math.round(color.g) + ',' + Math.round(color.b) + ',' + color.a + ')';
}
}
})(dat.utils.common);
dat.Color = dat.color.Color = (function (interpret, math, toString, common) {
var Color = function() {
this.__state = interpret.apply(this, arguments);
if (this.__state === false) {
throw 'Failed to interpret color arguments';
}
this.__state.a = this.__state.a || 1;
};
Color.COMPONENTS = ['r','g','b','h','s','v','hex','a'];
common.extend(Color.prototype, {
toString: function() {
return toString(this);
},
toOriginal: function() {
return this.__state.conversion.write(this);
}
});
defineRGBComponent(Color.prototype, 'r', 2);
defineRGBComponent(Color.prototype, 'g', 1);
defineRGBComponent(Color.prototype, 'b', 0);
defineHSVComponent(Color.prototype, 'h');
defineHSVComponent(Color.prototype, 's');
defineHSVComponent(Color.prototype, 'v');
Object.defineProperty(Color.prototype, 'a', {
get: function() {
return this.__state.a;
},
set: function(v) {
this.__state.a = v;
}
});
Object.defineProperty(Color.prototype, 'hex', {
get: function() {
if (!this.__state.space !== 'HEX') {
this.__state.hex = math.rgb_to_hex(this.r, this.g, this.b);
}
return this.__state.hex;
},
set: function(v) {
this.__state.space = 'HEX';
this.__state.hex = v;
}
});
function defineRGBComponent(target, component, componentHexIndex) {
Object.defineProperty(target, component, {
get: function() {
if (this.__state.space === 'RGB') {
return this.__state[component];
}
recalculateRGB(this, component, componentHexIndex);
return this.__state[component];
},
set: function(v) {
if (this.__state.space !== 'RGB') {
recalculateRGB(this, component, componentHexIndex);
this.__state.space = 'RGB';
}