ecstasy

--!strict

local Ecstasy = require("@ecstasy")

type Position = Ecstasy.Component<{x: number, y: number}>

local world = Ecstasy.create()
local position: Position = Ecstasy.component()
local frozen = Ecstasy.tag()

local function spawn(x: number, y: number)
  local entity = Ecstasy.spawn(world)
  Ecstasy.insert(world, entity, position, { x = x, y = y })
  return entity
end

local function update(dt: number)
  local falling = Ecstasy.without(Ecstasy.query(world, position), frozen)
  for _, pos in Ecstasy.iter(falling) do
    pos.y -= 10 * dt
  end
end

local player = spawn(0, 0)
local enemy = spawn(10, 10)
Ecstasy.add(world, enemy, frozen)