diff options
| -rw-r--r-- | builtin/game/item.lua | 8 | ||||
| -rw-r--r-- | doc/lua_api.txt | 4 |
2 files changed, 12 insertions, 0 deletions
diff --git a/builtin/game/item.lua b/builtin/game/item.lua index bf456a4e0..e51da6d6b 100644 --- a/builtin/game/item.lua +++ b/builtin/game/item.lua @@ -147,6 +147,14 @@ function core.wallmounted_to_dir(wallmounted) return wallmounted_to_dir[wallmounted] end +function core.dir_to_yaw(dir) + return -math.atan2(dir.x, dir.z) +end + +function core.yaw_to_dir(yaw) + return {x = -math.sin(yaw), y = 0, z = math.cos(yaw)} +end + function core.get_node_drops(nodename, toolname) local drop = ItemStack({name=nodename}):get_definition().drop if drop == nil then diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 31a1daefb..62a7b81f7 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -2403,6 +2403,10 @@ and `minetest.auth_reload` call the authetification handler. * Convert a vector to a wallmounted value, used for `paramtype2="wallmounted"` * `minetest.wallmounted_to_dir(wallmounted)` * Convert a wallmounted value back into a vector aimed directly out the "back" of a node +* `minetest.dir_to_yaw(dir)` + * Convert a vector into a yaw (angle) +* `minetest.yaw_to_dir(yaw)` + * Convert yaw (angle) to a vector * `minetest.get_node_drops(nodename, toolname)` * Returns list of item names. * **Note**: This will be removed or modified in a future version. |