AssetsのURLリスト
1.家,木 Pandazole - シティタウンローポリパック https://assetstore.unity.com/packages/3d/props/exterior/pandazole-city-town-lowpoly-pack-205787
2.石ころ Free Pack - Rocks Stylized https://assetstore.unity.com/packages/3d/environments/free-pack-rocks-stylized-316250
3.空,背景,夕方 FREE Skybox Extended Shader https://assetstore.unity.com/packages/vfx/shaders/free-skybox-extended-shader-107400