1 files changed, 165 insertions, 0 deletions
diff --git a/js/nopaint/index.js b/js/nopaint/index.js
new file mode 100644
index 0000000..6270503
--- /dev/null
+++ b/js/nopaint/index.js
@@ -0,0 +1,165 @@
+var nopaint = (function(){
+  
+  var is_paint = false
+  
+  controls.nopaint = {}
+  
+  controls.no = new Checkbox (nopaint_no_el)
+  controls.no.use = function(state){
+    this.update(! nopaint.timeout)
+    controls.paint.update(false)
+    undo.undo()
+    nopaint.play()
+  }
+
+  controls.paint = new Checkbox (nopaint_paint_el)
+  controls.paint.use = function(state){
+    controls.no.update(false)
+    nopaint.play()
+    this.update(!! nopaint.timeout)
+  }
+  
+  // use own stepwise clock to drive tweens
+  oktween.raf = function(){}  
+  
+  var nopaint = {}
+  nopaint.delay = 100
+  nopaint.tool = null
+  nopaint.tools = {}
+  nopaint.step = 0
+  nopaint.time = 0
+  nopaint.timeout = false
+  nopaint.undo = function(){
+    undo.undo()
+  }
+  nopaint.pause = function(){
+    clearTimeout(nopaint.timeout)
+    nopaint.timeout = 0
+    nopaint.step = 0
+  }
+  nopaint.play = function(){
+    nopaint.pause()
+    nopaint.switch_tool()
+    nopaint.go()
+  }
+  nopaint.go = function(){
+    nopaint.timeout = setTimeout(nopaint.go, nopaint.delay)
+    oktween.update(nopaint.time)
+    nopaint.tool.paint( nopaint.step )
+    nopaint.time += 1
+    nopaint.step += 1
+  }
+  nopaint.switch_tool = function(){
+    undo.new()
+    last_tool = nopaint.tool
+    last_tool && last_tool.finish()
+    nopaint.tool = nopaint.tools[ choice(Object.keys(nopaint.tools)) ]
+    nopaint.tool.start( last_tool )
+    // console.log(nopaint.tool.type)
+  }
+  nopaint.add_tool = function(fn){
+    nopaint.tools[fn.type] = fn
+  }
+
+  var NopaintTool = Model({
+    type: "none",
+    init: function(){},
+    start: function(){},
+    paint: function(t){},
+    finish: function(){},
+  })
+  
+  var NopaintBrush = NopaintTool.extend({
+    type: "brush",
+    is_brush: true,
+    init: function(){
+      this.p = {x: 0, y: 0}
+      this.fg = 0
+      this.bg = 1
+      this.char = " "
+      this.tweens = []
+    },
+    
+    start: function(last_brush){
+      this.reset( last_brush )
+      this.iterate( last_brush )
+      brush.load( this )
+      brush.generate()
+      draw.down({}, null, [this.p.x, this.p.y])
+    },
+    
+    paint: function(t){
+      this.update( t )
+      draw.move_toroidal({}, null, [this.p.x, this.p.y])
+    },
+    
+    finish: function(){
+      this.tweens.forEach(function(t){ t.cancel() })
+      this.tweens = []
+    },
+    
+    reorient: function(last_brush){
+      var a = {}, b
+      
+      if (last_brush) {
+        this.p.x = a.x = randint(canvas.w)
+        this.p.y = a.y = randint(canvas.h)
+      }
+      else {
+        a.x = this.p.x
+        a.y = this.p.y
+      }
+
+      b = this.get_next_point()
+
+      var tween = oktween.add({
+        obj: this.p,
+        from: a,
+        to: b,
+        duration: b.duration,
+        easing: b.easing,
+        update: function(o,dt){
+          // console.log(o,dt)
+        },
+        finished: function(){
+          this.reorient()
+        }.bind(this)
+      })
+      this.tweens.push(tween)
+    },
+    
+    
+  })
+  
+  var easings = "linear circ_out circ_in circ_in_out quad_in quad_out quad_in_out".split(" ")
+
+  var SolidBrush = NopaintBrush.extend({
+    type: "solid",
+    
+    get_next_point: function(){
+      var b = {}
+      b.duration = randrange(1,7)
+      b.easing = choice(easings)
+      b.x = this.p.x + randrange(-10, 10)
+      b.y = this.p.y + randrange(-10, 10)
+      return b
+    },
+    
+    recolor: function(){
+      this.fg = this.bg = randint(16)
+      this.char = " "
+    },
+    reset: function(){
+      brush.resize(1,1)
+    },
+    iterate: function( last_brush ){
+      this.reorient( last_brush )
+      this.recolor( last_brush )
+    },
+    update: function(t){
+    }
+  })
+  
+  nopaint.add_tool( new SolidBrush )
+
+})()