Directional Shadow Visualizer
Inspect directional light shadow camera and map size.
JavaScript (plain)
const dir = new THREE.DirectionalLight(0xffffff, 1)
dir.position.set(3, 5, 2)
dir.castShadow = true
scene.add(dir)
dir.shadow.mapSize.set(1024, 1024)
dir.shadow.camera.left = -4
dir.shadow.camera.right = 4
dir.shadow.camera.top = 4
dir.shadow.camera.bottom = -4