Raymarching: Soft Shadow
#Shadow #レイマーチング
https://gyazo.com/2a8b2ba1ebbd55940aa5ab1adffe25ce
Raymarching: Shadowの発展形
https://iquilezles.org/articles/rmshadows/
https://gyazo.com/c371f6db1f67e9e18f68f85aecc73f00
https://www.shadertoy.com/view/XXXfWX