1 files changed, 121 insertions, 0 deletions
diff --git a/public/assets/js/util/color.js b/public/assets/js/util/color.js
new file mode 100644
index 0000000..bcdfe77
--- /dev/null
+++ b/public/assets/js/util/color.js
@@ -0,0 +1,121 @@
+function Color (r,g,b,a) {
+  this.r = r
+  this.g = g
+  this.b = b
+  this.a = a || 1.0
+}
+Color.prototype.toString = function(){
+  return "rgba(" + Math.round(this.r) + "," + Math.round(this.g) + "," + Math.round(this.b) + "," + this.a + ")";
+}
+Color.prototype.rgb = function(){
+  return [ this.r, this.g, this.b ];
+}
+Color.prototype.rgba = function(){
+  return [ this.r, this.g, this.b, this.a ];
+}
+Color.prototype.clone = function(){
+  return new Color(this.r, this.g, this.b, this.a);
+}
+Color.prototype.alpha = function(a){
+  var c = this.copy()
+  c.a = a;
+  return c;
+}
+Color.prototype.add = function(n){
+  if (! n) return
+  this.r = clamp(Math.round(this.r + n), 0, 255)
+  this.g = clamp(Math.round(this.g + n), 0, 255)
+  this.b = clamp(Math.round(this.b + n), 0, 255)
+  return this
+}
+Color.prototype.mottle = function(n){
+  n = n || 30
+  this.r = clamp(this.r + randrange(-n, n), 0, 255)
+  this.g = clamp(this.g + randrange(-n, n), 0, 255)
+  this.b = clamp(this.b + randrange(-n, n), 0, 255)
+  return this
+}
+Color.prototype.mottleRGB = function(r,g,b){
+  r = r || 0 ; g = g || 0 ; b = b || 0
+  this.r = clamp(this.r + randrange(-r, r), 0, 255)
+  this.g = clamp(this.g + randrange(-g, g), 0, 255)
+  this.b = clamp(this.b + randrange(-b, b), 0, 255)
+  return this
+}
+Color.prototype.swatch = function(){
+  var el = document.createElement("div");
+  el.style.className = "swatch";
+  el.style.width = 16 + "px";
+  el.style.height = 16 + "px";
+  el.style.backgroundColor = this.toString();
+  $(el).data("color", this);
+  return el;
+}
+
+var COLORS = {
+  plain: new Color(230,240,240),
+  ivory: new Color(240,240,235),
+  pink: new Color(240,223,235),
+  red: new Color(240,224,223),
+  orange: new Color(240,232,223),
+  yellow: new Color(240,240,231),
+  green: new Color(233,240,231),
+  blue: new Color(224,226,240),
+  purple: new Color(235,231,240),
+  black: new Color(32,32,37),
+}
+
+function nighttime_quotient() {
+  var q = -10;
+  var date = new Date()
+  var x;
+  var h = date.getHours()
+  var m = date.getMinutes()
+  if (h < 5 || h > 23)
+    { return q; }
+  if (h >= 5 && h <= 7)
+    { x = 60*60*3 - 60 * (h - 5) + m; }
+  if (h >= 21 && h <= 23)
+    { x = 60 * (h - 21) + m; }
+  x /= 60*60*3;
+  return q * x;
+}
+function get_color_from_time(){
+  var date = new Date()
+  var h = date.getHours()
+  var m = date.getMinutes()
+  var c;
+  if ((h == 4 || h == 16) && m == 20)
+    { c = "green"; }
+  else if (h < 5)
+    { c = "blue"; }
+  else if (h >= 5 && h < 6)
+    { c = "red"; }
+  else if (h >= 6 && h < 9)
+    { c = "orange"; }
+  else if (h >= 9 && h < 12)
+    { c = "yellow"; }
+  else if (h >= 12 && h < 18)
+    { c = "plain"; }
+  else if (h >= 18 && h < 21)
+    { c = "blue"; }
+  else if (h >= 21)
+    { c = "blue"; }
+  else
+    { c = "plain"; }
+  return c;
+}
+function set_background_color_from_time(){
+  var color_name = get_color_from_time()
+  set_background_color(color_name)
+}
+function set_background_color(color_name){
+  console.log(color_name)
+  color_name = color_name || "plain"
+  var color = COLORS[color_name]
+    .clone()
+    .mottleRGB(4,4,8)
+//     .add(nighttime_quotient())
+console.log(color.toString())
+  document.body.style.backgroundColor = color.toString()
+}