WebGL - introduction to attributes

In this episode, I give a brief introduction to GLSL attributes in WebGL.
Concepts:

• getAttribLocation
• vertexAttrib3f
• attribute vec4 aPosition;

Resources:

• https://github.com/davidwparker/programmingtil-webgl/tree/master/0014-intro-attributes
• http://www.html5rocks.com/en/tutorials/webgl/shaders/