From e3f9a2a3b385382ae72258c216b068a53717c224 Mon Sep 17 00:00:00 2001 From: jules Date: Mon, 20 Jan 2014 22:05:27 -0500 Subject: pull out frames editor, main render loop --- shader-picker.html | 324 ++--------------------------------------------------- 1 file changed, 9 insertions(+), 315 deletions(-) (limited to 'shader-picker.html') diff --git a/shader-picker.html b/shader-picker.html index 59b3e27..d482a6b 100644 --- a/shader-picker.html +++ b/shader-picker.html @@ -119,8 +119,10 @@ a { color: #00f; } + + @@ -139,15 +141,16 @@ function init(){ $("#reset").click(reset) $("#pause").click(pause) $("#step-forward").click(step_forward) + $(document).on("mousemove", function(e) { + mousex = e.pageX + mousey = e.pageY + }) + $("#add-frame").click(add_frame) $("#frames").sortable({ start: drag_start, stop: drag_stop }); - $(document).on("mousemove", function(e) { - mousex = e.pageX - mousey = e.pageY - }) $(document).on("click","#frames .remove",remove_frame) $("#framecount").change(function(){ var val = $(this).int() @@ -158,6 +161,7 @@ function init(){ $("#background").change(function(){ document.body.style.backgroundColor = $("#background").string() }) + $("#frames").disableSelection(); $("#remove-all-frames").click(remove_all_frames) $("#weave-frames").click(weave_frames) @@ -188,329 +192,19 @@ function init(){ user.shaders.init() user.shaders.loadLastAccessed() - - $("#test-js").click(function(){ - var script = $("#shader").val() - var params = {script: script, verbose: 1} - $.post("/cgi-bin/js/test_javascript.py", params, function(data){ - $("pre").remove() - $("#rendered").show() - var $pre = $("
")
-      $pre.html(data)
-      $("#rendered").append($pre)
-      console.log(data)
-    })
-  })
-  
+
   document.getElementById('shader').addEventListener('input', shader_build);
   shader_build()
 
   requestAnimationFrame(animate)
 }
-function choose (){
-  imageURL = this.src
-  loading = true
-  $("#url").val(imageURL)
-  loadImage(imageURL, ready)
-}
-function load(){
-  loading = true
-  var imageURL = $("#url").val()
-  loadImage(imageURL, ready)
-}
-
 function drag_start(){ dragging = true; $(this).addClass("dragging") }
 function drag_stop(){ dragging = false; $(".dragging").removeClass("dragging") }
 
-function reset(){
-  start_t = old_t
-  pause_t = 0
-  pause(false)
-  $("#rendered img").remove()
-  draw(0)
-}
-function pause(state){
-  $("#pause").toggleClass("paused", paused = typeof state == "boolean" ? state : ! paused).html(paused ? "paused" : "pause")
-}
-function step_forward(){
-  var step = $("#framedelay").float() * 1000 || 100
-  old_t += step
-  draw(old_t)
-  pause(true)
-}
-var timeout, raf_id, start_t = 0, old_t = 0, pause_t = 0
-var paused = false, dragging = false, rendering = false, scrolling = false, deferring = false, scrollTimeout = null;
-var fps = 30;
-function animate(t){
-  raf_id = requestAnimationFrame(animate);
-
-  var step_t = t - old_t
-  old_t = t
-  
-  if (paused || dragging || rendering || scrolling || deferring) {
-    pause_t += step_t
-    if (scrolling) {
-      scrolling = false
-      deferring = true
-    }
-    else {
-      deferring = false
-    }
-    return
-  }
-
-  // var timing = +(new Date())
-  draw(t)
-  // timing = +(new Date()) - timing
-  fps = avg(fps, 1000/step_t, 4)
-  status(~~(fps) + " fps")
-}
-function draw(t) {
-  t -= start_t
-  t -= pause_t
-  frame = giveFrame(t)
-  shade(frame, t)
-}
-
-var frame, img_frame;
-function giveFrame(t){
-  if (window.gif) {
-    if (gif.currentFrame) {
-      return gif.frames[gif.currentFrame(t)]
-    }
-    else {
-      return gif.frames[0]
-    }
-  }
-  else if (window.img) {
-    return img_frame
-  }
-  else {
-    return cq(w, h)
-  }
-}
-
-function ready(){
-  loading = false
-  if (window.gif) {
-    frame = gif.frames[0]
-    w = cc.canvas.width = frame.ctx.canvas.width
-    h = cc.canvas.height = frame.ctx.canvas.height
-    for (var i=0, f; f=gif.frames[i]; i++){
-      f.cloneData = f.ctx.getImageData(0,0,w,h)
-    }
-  }
-  else {
-    fc = cq(img.width, img.height)
-    fc.drawImage(img, 0, 0)
-    frame = img_frame = { ctx: fc.context }
-    w = cc.canvas.width = frame.ctx.canvas.width
-    h = cc.canvas.height = frame.ctx.canvas.height
-    frame.cloneData = frame.ctx.getImageData(0,0,w,h)
-  }
-}
-
-function add_frame(){
-  var frame_count = $("#framecount").int()
-  if (frame_count < 2) {
-    add_single_frame()
-  }
-  else {
-    add_frames(frame_count)
-  }
-}
-function add_single_frame(){
-  var $el = $("
") - $el.html( $("#frame-template").html() ) - $el.attr('index', $("#frames div").length) - var frame = cc.clone().appendTo($el.find(".frame")[0]) - frame.canvas.className = "fullsize" - frame.canvas.style.display = "none" - var thumb = cc.clone().resize(100,100).appendTo($el.find(".frame")[0]) - $("#frames").append($el) - $("#render").enable() -} -function add_frames(frame_count){ - rendering = true - var t = old_t - start_t - pause_t - var frame_delay = $("#frameinterval").float() * 1000 - var frame - for (var i = 0; i < frame_count; i++) { - frame = giveFrame(t) - t += frame_delay - shade(frame, t) - add_single_frame() - } - rendering = false -} -function remove_frame(){ - $(this).closest("div").remove() - if ($("#frames div").length == 0) { - $("#render").disable() - } -} -function remove_all_frames(){ - $("#frames").empty() -} -function shuffle_frames(){ - var shuffled = [] - var $frames = $("#frames div") - $("#frames").empty().append(shuffle($frames)) -} -function reverse_frames(){ - var $frames = $("#frames div") - $("#frames").empty().append(reverse($frames)) -} -function weave_frames(){ - var $frames = $("#frames div") - $("#frames").empty().append(weave($frames)) -} -function sort_frames(){ - var $frames = $("#frames div") - var sorted = $frames.map(function(i,el){ console.log(i,el); return [[ el.getAttribute('index'), el ]] }) - .sort(function(a,b){ return a[0]-b[0] }) - .map(function(i,e){ console.log( e ); return e[1] }) - $("#frames").empty().append(sorted) -} - -function render (){ - if (rendering) return - rendering = true - encoder.reset() - var delay = $("#framedelay").float() * 1000 || 100 - $("#frames canvas.fullsize").each(function(){ - var frame = cq(this.width, this.height).fillStyle($("#background").string()).fillRect(0,0,this.width, this.height).drawImage(this,0,0) - encoder.addFrame(frame.canvas, delay) - }) - $("#pause,#render,#add-frame").disable() - $("#rendered").find("img").remove() - $("#rendered").show() - // really bad results with neuquant? - // status("quantizing") - // encoder.quantize() - status("encoding") - try { - encoder.encode() - } catch (e) { - $("#pause,#render,#add-frame").enable() - rendering = false - status(e) - throw e - } - $("#render").html("rendering") -} - -function status(s){ $(".status").html(s) } - -var encoder = new GifEncoder() - -encoder.on("quantized", function(url){ - status("encoding") - encoder.encode() -}) - -encoder.on("encoded-frame", function(done,count){ - status("encoded " + done + " / " + count) -}) - -encoder.on("rendered", function(bytes){ - status(filesize(bytes.length)) -}) - -encoder.on("rendered-url", function(url){ - var image = new Image () - lastGif = image.src = url - $("#rendered").append(image) - $("#uploaded-url").hide().val("") - $("#save,#upload,#rendered").show() - $("#pause,#render,#add-frame,#save,#upload").enable() - $("#render").html("render") - rendering = false - pause(true) -}) - -function get_filename(){ - var basename = $("#url").val().replace(/^.*\//,"").replace(/\..*$/,"").replace(/[^-_ a-zA-Z0-9]/g,"") - var username = user.username - var filename = basename + "-" + username + "-" + (+new Date()) + ".gif" - return filename.replace(/ /g,"_").replace(/-+/g,"-") -} -function save (){ - if (! lastGif) return; - var filename = get_filename() - var blob = dataUriToBlob(lastGif) - saveAs(blob, filename); -} -function saveJSON (data, filename) { - var bytes = JSON.stringify(data) - var buf = new ArrayBuffer(bytes.length); - var arr = new Uint8Array(buf); - for (var i = 0; i < bytes.length; i++) { - arr[i] = bytes.charCodeAt(i); - } - - var blob = new Blob([arr], { type: "text/json" }); - blob.slice = blob.slice || blob.webkitSlice; - - saveAs(blob, filename); -} - -function upload(){ - var filename = get_filename() - var username = user.username - var blob = dataUriToBlob(lastGif) - uploadImage({ - blob: blob, - filename: filename, - username: username, - success: function(data){ - - // data.url - // data.filesize - // data.success - - console.log(data); - status("uploaded"); - $("#uploaded-url").show().focus().val(data.url) - }, - error: function(data){ - console.log(data) - status("error uploading: " + data.error) - } - }); -} - - - -- cgit v1.2.3-70-g09d2