Fixed my Camera fix for point/region choosers. Trying to fix #1411 by insisting on monospace fonts in the code editor.

app/lib/Angel.coffee

@@ -196,6 +196,7 @@ module.exports = class Angel extends CocoClass
     @worker.postMessage func: 'abort'
 
   fireWorker: (rehire=true) =>
+    return if @destroyed
     @aborting = false
     @running = false
     _.remove @shared.busyAngels, @

app/lib/surface/Surface.coffee

@@ -99,7 +99,8 @@ module.exports = Surface = class Surface extends CocoClass
     @normalStage = new createjs.Stage(@normalCanvas[0])
     @webGLStage = new createjs.SpriteStage(@webGLCanvas[0])
     @normalStage.nextStage = @webGLStage
-    @camera = AudioPlayer.camera = new Camera @webGLCanvas unless @options.choosing
+    @camera = new Camera @webGLCanvas
+    AudioPlayer.camera = @camera unless @options.choosing
 
     @normalLayers.push @surfaceTextLayer = new Layer name: 'Surface Text', layerPriority: 1, transform: Layer.TRANSFORM_SURFACE_TEXT, camera: @camera
     @normalLayers.push @gridLayer = new Layer name: 'Grid', layerPriority: 2, transform: Layer.TRANSFORM_SURFACE, camera: @camera

app/styles/play/level/tome/spell.sass

@@ -60,6 +60,8 @@
     background-color: transparent
     line-height: 20px
     overflow: visible
+    // https://github.com/codecombat/codecombat/issues/1411#issuecomment-60492750 -- trying to make sure system defaults don't mess up our monospace font.
+    font-family: Monaco, Menlo, Ubuntu Mono, Consolas, "source-code-pro", monospace !important
 
     &.disabled
       @include opacity(80)