From d9bb507322969811ca456fc14cec5c52126ba778 Mon Sep 17 00:00:00 2001
From: 1chandu <chandu@uber.com>
Date: Tue, 4 Jun 2019 10:39:01 -0700
Subject: [PATCH] Fix deprecation and texture in lesson 16 (#1141)

---
 examples/core/transform/app.js            | 8 ++++----
 examples/lessons/16/app.js                | 3 ++-
 modules/webgl/src/classes/vertex-array.js | 2 +-
 3 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/examples/core/transform/app.js b/examples/core/transform/app.js
index c8fb2edf11..5cb2d5797f 100644
--- a/examples/core/transform/app.js
+++ b/examples/core/transform/app.js
@@ -270,8 +270,8 @@ export default class AppAnimationLoop extends AnimationLoop {
     const offsetBuffer = transform.getBuffer('v_offset');
     const rotationBuffer = transform.getBuffer('v_rotation');
 
-    offsetBuffer.updateAccessor({divisor: 1});
-    rotationBuffer.updateAccessor({divisor: 1});
+    offsetBuffer.setAccessor({divisor: 1});
+    rotationBuffer.setAccessor({divisor: 1});
 
     renderModel.clear({color: [0.0, 0.0, 0.0, 1.0], depth: true});
     renderModel.draw({
@@ -285,8 +285,8 @@ export default class AppAnimationLoop extends AnimationLoop {
       }
     });
 
-    offsetBuffer.updateAccessor({divisor: 0});
-    rotationBuffer.updateAccessor({divisor: 0});
+    offsetBuffer.setAccessor({divisor: 0});
+    rotationBuffer.setAccessor({divisor: 0});
 
     if (pickPosition) {
       const dpr = useDevicePixels ? getDevicePixelRatio() : 1;
diff --git a/examples/lessons/16/app.js b/examples/lessons/16/app.js
index 19e964a719..d07525536c 100644
--- a/examples/lessons/16/app.js
+++ b/examples/lessons/16/app.js
@@ -208,7 +208,7 @@ export default class AppAnimationLoop extends AnimationLoop {
     });
 
     const tCrate = new Texture2D(gl, {
-      urls: 'crate.gif',
+      data: 'crate.gif',
       parameters: {
         [gl.TEXTURE_MAG_FILTER]: gl.LINEAR,
         [gl.TEXTURE_MIN_FILTER]: gl.LINEAR_MIPMAP_NEAREST
@@ -243,6 +243,7 @@ export default class AppAnimationLoop extends AnimationLoop {
       });
 
       const cube = new ModelNode(gl, {
+        id: 'cube-model',
         geometry: new CubeGeometry(),
         vs: VERTEX_SHADER,
         fs: FRAGMENT_SHADER,
diff --git a/modules/webgl/src/classes/vertex-array.js b/modules/webgl/src/classes/vertex-array.js
index 6c37616675..f19857fdee 100644
--- a/modules/webgl/src/classes/vertex-array.js
+++ b/modules/webgl/src/classes/vertex-array.js
@@ -219,7 +219,7 @@ export default class VertexArray {
       // so we need to offer and unbind facility
       // WebGL offers disabling, but no clear way to set a VertexArray buffer to `null`
       // So we just bind all the attributes to the dummy "attribute zero" buffer
-      this.buffer = this.buffer || new Buffer(this.gl, {size: 4});
+      this.buffer = this.buffer || new Buffer(this.gl, {accessor: {size: 4}});
 
       for (let location = 0; location < this.vertexArrayObject.MAX_ATTRIBUTES; location++) {
         if (this.values[location] instanceof Buffer) {