Add scriptableResourceTest.js

examples/tests/scriptableResourceTest.js

@@ -0,0 +1,73 @@
+//
+//  scriptableResourceTest.js
+//  examples/tests
+//
+//  Created by Zach Pomerantz on 4/20/16.
+//  Copyright 2016 High Fidelity, Inc.
+//
+//  Preloads textures to play a simple movie, plays it, and frees those textures.
+//
+//  Distributed under the Apache License, Version 2.0.
+//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
+//
+
+// A model exported from blender with a texture named 'Picture' on one face.  
+var FRAME_URL = "http://hifi-production.s3.amazonaws.com/tutorials/pictureFrame/finalFrame.fbx";
+// A folder full of individual frames.
+var MOVIE_URL = "http://hifi-content.s3.amazonaws.com/james/vidtest/";
+
+var center = Vec3.sum(
+    Vec3.sum(MyAvatar.position, { x: 0, y: 0.5, z: 0 }),
+    Vec3.multiply(1, Quat.getFront(Camera.getOrientation()))
+);
+
+// Left-pad num with 0s until it is size digits
+function pad(num, size) {
+    var s = num + "";
+    while (s.length < size) s = "0" + s;
+    return s;
+}
+
+var pictureFrameProperties = {
+    name: 'scriptableResourceTest Picture Frame',
+    type: 'Model',
+    position: center,
+    modelURL: FRAME_URL,
+    dynamic: true,
+}
+var pictureFrame = Entities.addEntity(pictureFrameProperties);
+
+var frames = [];
+
+// Preload
+var numLoading = 0;
+for (var i = 0; i < 159; i++) {
+    var padded = pad(i, 3);
+    var filepath = MOVIE_URL + padded + '.jpg';
+    var texture = TextureCache.prefetch(filepath);
+    frames.push(texture);
+    if (!texture.loaded) {
+        numLoading++;
+        texture.loadedChanged.connect(function() {
+            numLoading--;
+            if (!numLoading) play();
+        });
+    }
+}
+
+function play() {
+    var frame = 0;
+    var movieInterval = Script.setInterval(function() {
+        Entities.editEntity(pictureFrame, { textures: JSON.stringify({ Picture: frames[frame].url }) })
+        frame += 1;
+        if (frame == 159) {
+            Script.clearInterval(movieInterval);
+            Entities.deleteEntity(pictureFrame);
+            // free the textures at the next garbage collection
+            while (frames.length) frames.pop();
+            // alternatively, the textures can be forcibly freed:
+            // frames.forEach(function(texture) { texture.release(); });
+            Script.requestGarbageCollection();
+        }
+    }, 33.3);
+}