WebGL Beginner's Guide

Time for action — exploring rotations: world space versus camera space

1. Open ch4_ModelView_Rotation.html in your HTML5 browser:
   
2. Just like in the previous example, we will see:
   • A cone at the origin of the world
   • The camera is located at [0,2,50] in world coordinates
   • Three sliders that will allows us to rotate either the world or the camera
   • Also, we have a matrix where we can see the result of different rotations
3. Let's see what happens to the axis after we apply a rotation. With the World coordinates button selected, rotate the world 90 degrees around the x-axis. What does the Model-View matrix look like?
4. Let's see where the axes end up after a 90 degree rotation ...