From 448aff387b9c25b405c9eea0127d2edca8965f61 Mon Sep 17 00:00:00 2001
From: Jules Laplace <jules@okfoc.us>
Date: Mon, 23 May 2016 03:18:48 -0400
Subject: bump difficulty idea

---
 js/ui/evolver.js | 60 +++++++++++++++++++++++++++++++++++++-------------------
 1 file changed, 40 insertions(+), 20 deletions(-)

(limited to 'js/ui/evolver.js')

diff --git a/js/ui/evolver.js b/js/ui/evolver.js
index 88a2c34..a7d423b 100644
--- a/js/ui/evolver.js
+++ b/js/ui/evolver.js
@@ -58,23 +58,22 @@ var evolver = (function(){
   console.log(opt)
   
   var step = 0
-  var target, last_score = 0
+  var target, target_img, last_score = 0
   var clones = [], clone_count = opt.population, strokes_per_iteration = opt.strokes
   var clone_index = 0
   var main_canvas
   
-  var compare_w = 64, compare_h = 64
+  var compare_w = 8
 
-  var target = document.createElement('canvas')
-  target.width = compare_w
-  target.height = compare_h
-  var t_ctx = target.getContext('2d')
-
-  var compare = document.createElement('canvas')
-  compare.width = compare_w
-  compare.height = compare_h
-  var c_ctx = compare.getContext('2d')
+  var target_canvas = document.createElement('canvas')
+  target_canvas.width = compare_w
+  target_canvas.height = compare_w
+  var t_ctx = target_canvas.getContext('2d')
 
+  var compare_canvas = document.createElement('canvas')
+  compare_canvas.width = compare_w
+  compare_canvas.height = compare_w
+  var c_ctx = compare_canvas.getContext('2d')
 
   brush.rebuild = function(){
     this.initialize()
@@ -85,11 +84,11 @@ var evolver = (function(){
     load(opt.src, go)
   }
   function load(src, fn){
-    var img = new Image ()
-    img.onload = function(){
-      target = drawImage(t_ctx, img)
+    target_img = new Image ()
+    target_img.onload = function(){
+      target = drawImage(t_ctx, target_img)
       if (opt.h == 0) {
-        opt.h = Math.round(opt.w * 8/15 * img.naturalHeight/img.naturalWidth)
+        opt.h = Math.round(opt.w * 8/15 * target_img.naturalHeight/target_img.naturalWidth)
       }
       last_score = 0
       ready()
@@ -97,11 +96,11 @@ var evolver = (function(){
     if (src.match(/^http/)) {
       src = "http://asdf.us/cgi-bin/proxy?" + src
     }
-    img.src = src
+    target_img.src = src
   }
   function drawImage (ctx, img) {
-    ctx.drawImage(img, 0, 0, compare_w, compare_h)
-    return { width: compare_w, height: compare_h, data: ctx.getImageData(0,0,compare_w,compare_h).data, channels: 4 }
+    ctx.drawImage(img, 0, 0, compare_w, compare_w)
+    return { width: compare_w, height: compare_w, data: ctx.getImageData(0,0,compare_w,compare_w).data, channels: 4 }
   }
   function ready () {
     main_canvas = canvas
@@ -167,8 +166,8 @@ var evolver = (function(){
 // console.log(clones.filter(function(c,i){ return i < 10 }).map(function(c){ return c.score.toFixed(2) }).join(" "))
 
     if (max_score < last_score) {
-      console.log("no improvement [%s] [%s]", max_score.toFixed(3), last_score.toFixed(3))
-      clones_to_keep = 2
+      // console.log("no improvement [%s] [%s]", max_score.toFixed(3), last_score.toFixed(3))
+      clones_to_keep = 3
       best_clone = main_canvas
       next_best_clone = clones[0].canvas
       third_best_clone = clones[1].canvas
@@ -187,6 +186,10 @@ var evolver = (function(){
       main_canvas.forEach(function(lex,x,y){
         lex.assign( best_clone.getCell(x,y) )
       })
+
+      // if (max_score > 0.9) {
+      //  bump_difficulty()
+      // }
     }
 
     var best_clone = clones[0].canvas
@@ -213,6 +216,23 @@ var evolver = (function(){
 
   }
 
+/*
+  // just an idea..
+  function bump_difficulty(){
+    console.log(compare_w, Math.max(target_img.width, target_img.height)/4)
+    if (compare_w < Math.max(target_img.width, target_img.height)/4) {
+      last_score = 0
+      compare_w *= 2
+      target_canvas.width = compare_w
+      target_canvas.height = compare_w
+      compare_canvas.width = compare_w
+      compare_canvas.height = compare_w
+      target = drawImage(t_ctx, target_img)
+      console.log(">> bumped to %d", compare_w)
+    }
+  }
+*/
+
 /*
   function check () {
     clipboard.export_canvas(function(canvas){
-- 
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