THREE.SpotLight - Learn Three.js - Third Edition [Book]
three.js】ライトの種類まとめ
SpotLight shadow issue - Questions - three.js forum
Three.js - SpotLight 光源_「已注销」的博客-CSDN博客
takahiro(John Smith) on Twitter: "@threejs_org I guess you should've put this screen shot. Three.js no longer displays revision number in the console! https://t.co/dERtVGJYiC" / Twitter