example/plateform: add coin object

examples/gameplay/plateform/actors/coin.lua

@@ -0,0 +1,9 @@
+local Base = require "gamecore.modules.world.actors.actor2D"
+local Coin = Base:extend()
+
+function Coin:new(world, x, y)
+  Coin.super.new(self, world, "coin", x, y, 16, 16, false)
+  self:setSprite("coin")
+end
+
+return Coin

examples/gameplay/plateform/actors/init.lua

@@ -7,6 +7,7 @@ Obj.Player              = require(cwd .. "player")
 
 Obj.index     = {}
 Obj.index["player"]     = require(cwd ..  "player")
+Obj.index["coin"]       = require(cwd ..  "coin")
 
 Obj.collisions = {}
 Obj.collisions["wall"]  = require(cwd ..  "wall")