Unable to get a DirectionalLight shadow to update correctly

Question

I have a DirectionalLight in my scene. When I first create the light the shadow covers the intended area. When the viewport is resized (canvas size) I update the sh

Answer 1

Here is the pattern you need to follow to update a shadow camera on-the-fly:

light.shadowCameraLeft = -100;
light.shadowCameraRight = 100;

light.shadowCamera.left = light.shadowCameraLeft;
light.shadowCamera.right = light.shadowCameraRight;

...

light.shadowCamera.updateProjectionMatrix();

three.js r.64