Removed useless MeshCollider in ItemInstance prefab + set a shader with transparency (fix slime not showing up properly)
Removed useless MeshCollider in ItemInstance prefab + set a shader with transparency (fix slime not showing up properly)

[git-p4: depot-paths = "//rpgcraft/": change = 34]

guibec/rpgcraft,guibec/rpgcraft,guibec/rpgcraft,guibec/rpgcraft