Added option to fix prev thing

controllers/prototype/views/prototype.jade

@@ -114,6 +114,9 @@ block content
         input#showarrows(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'}, checked)
         label(for="showarrows" style={'margin-right':'10px'}) Show arrows
 
+        input#recommendation(type="checkbox", style={'margin-right': '10px', 'margin-bottom': '10px'})
+        label(for="recommendation" style={'margin-right':'10px'}) Fixed prev
+
         audio#music(controls, volume=0.5)
             source(src="/static/data/music/bobomb.ogg")
             source(src="/static/data/music/bobomb.mp3")

static/js/prototype/ButtonManager.js

@@ -1,5 +1,6 @@
-var ButtonManager = function(cameras) {
+var ButtonManager = function(cameras, previewer) {
     this.cameras = cameras;
+    this.previewer = previewer;
 
     this.showArrows = true;
     this.beenFullscreen = false;
@@ -13,6 +14,8 @@ var ButtonManager = function(cameras) {
     this.collisionElement = document.getElementById('collisions');
     this.showarrowsElement = document.getElementById('showarrows');
 
+    this.recommendationElement = document.getElementById('recommendation');
+
     this.fullscreenElement.onclick = function() {fullscreen();};
 
     (function(self) {
@@ -31,6 +34,10 @@ var ButtonManager = function(cameras) {
         self.collisionElement.onchange = function() {self.cameras.mainCamera().collisions = self.collisionElement.checked;}
         self.showarrowsElement.onchange = function() {self.showArrows = self.showarrowsElement.checked;}
         self.resetElement.onclick = function() {self.cameras.mainCamera().reset();}
+
+        self.recommendationElement.onchange = function() {
+            previewer.fixedRecommendation(self.recommendationElement.checked);
+        }
     })(this);
 
 }

static/js/prototype/Previewer.js

@@ -2,20 +2,22 @@ var Previewer = function(renderer) {
     this.domElement = document.createElement('canvas');
     this.ctx = this.domElement.getContext('2d');
     this.renderer = renderer;
+    this.fixed = false;
 }
 
 Previewer.prototype.render = function(prev, container_width, container_height) {
-    var width = container_width / 5;
-    var height = container_height / 5;
-    var left = prev.x - width/2;
-    var bottom =  renderer.domElement.height - prev.y + height/5;
+    var width, height, left, bottom;
 
     if (prev.go) {
         width  = Math.floor(container_width / 5);
         height = Math.floor(container_height / 5);
-        left   = Math.floor(prev.x - width/2);
-        bottom = Math.floor(renderer.domElement.height - prev.y + height/5);
-
+        if (!this.fixed) {
+            left = Math.floor(prev.x - width/2);
+            bottom = Math.floor(this.renderer.domElement.height - prev.y + height/5);
+        } else {
+            left = 0;
+            bottom = 0;
+        }
 
         // Draw border
         var can_bottom = container_height - bottom - height ;
@@ -40,7 +42,7 @@ Previewer.prototype.render = function(prev, container_width, container_height) {
         // Do render in previsualization
         prev.camera.look();
         this.renderer.setScissor(left, bottom, width, height);
-        this.renderer.enableScissorTest (true);
+        this.renderer.enableScissorTest(true);
         this.renderer.setViewport(left, bottom, width, height);
         this.renderer.render(scene, prev.camera);
 
@@ -54,3 +56,7 @@ Previewer.prototype.clear = function() {
         this.clearNeeded = false;
     }
 }
+
+Previewer.prototype.fixedRecommendation = function(bool) {
+    this.fixed = bool;
+}

static/js/prototype/main.js

@@ -137,7 +137,7 @@ function initListeners() {
     document.addEventListener('keydown', function(event) { if (event.keyCode == 27) { stopFullscreen();} }, false);
 
     // HTML Bootstrap buttons
-    buttonManager = new ButtonManager(cameras);
+    buttonManager = new ButtonManager(cameras, previewer);
 
     // Camera selecter for hover and clicking recommendations
     cameraSelecter = new CameraSelecter(renderer, cameras, buttonManager);