Add class Entity

cf-lib/data/Entity.lua

@@ -0,0 +1,29 @@
+--- Utility class for entity prototype definitions
+--- @class Entity
+local Entity = {}
+
+--- Generates a selection box definition using width and height of the entity in tiles.
+--- @param width number The width of the entity in tiles
+--- @param height number The height of the entity in tiles
+--- @return table A table containing the selection box definition
+Entity.selectionBox = function(width, height)
+    return {
+        { -width / 2, -height / 2 },
+        { width / 2, height / 2 }
+    }
+end
+
+--- Generates a collision box definition using width and height of the entity in tiles.
+--- @param width number The width of the entity in tiles
+--- @param height number The height of the entity in tiles
+--- @param margin number The margin to apply to the collision box compared to the selection box (default: 0.3)
+--- @return table A table containing the collision box definition
+Entity.collisionBox = function(width, height, margin)
+    margin = margin or 0.1
+    return {
+        { -width / 2 + margin, -height / 2 + margin },
+        { width / 2 - margin, height / 2 - margin }
+    }
+end
+
+return Entity