A lua ECS framework base on tiny-ecs.

• 30log
• tiny-ecs
• pool

• init.lua

  --- Dependency
  _G.Class = require("30log")
  _G.TinyECS = require("tiny-ecs")
  _G.Pool = require("pool")
  
  --- RayECS
  local RayECS = require("ray-ecs", true)
  _G.System = RayECS.System
  _G.Comp = RayECS.Comp
  _G.World = RayECS.World
  _G.Entity = RayECS.Entity
  _G.Global = RayECS.Global

• tf-comp.lua

  ---@class TfComp : Comp
  ---@field public pos Vector2
  ---@field public rotation number
  ---@field public scale Vector2
  local TfComp = Comp:extend("TfComp")
  
  function TfComp:init(pos, rotation, scale)
      self.pos = pos or Vector2.zero()
      self.rotation = rotation or 0
      self.scale = scale or Vector2.one()
  end
  
  return TfComp

• tf-system.lua

  local TfComp = require("tf-comp")
  local ViewComp = require("view-comp")
  local PhysicsComp = require("physics-comp")
  
  ---@class TfSystem : System
  local TfSystem = System:extend("TfSystem")
  
  function TfSystem:createFilter()
      return self.filter.And(
              self.filter.RequireAll(TfComp, ViewComp),
              self.filter.RejectAny(PhysicsComp)
      )
  end
  
  function TfSystem:update(entities, dt)
      for _, entity in ipairs(entities) do
          local viewObj = entity.ViewComp.viewObj
          ---@type TfComp
          local tfComp = entity.TfComp
          ViewObjUtil.SetPos(viewObj, tfComp.pos)
          ViewObjUtil.SetRot(viewObj, tfComp.rotation)
          ViewObjUtil.SetScale(viewObj, tfComp.scale)
      end
  end
  
  return TfSystem

• main.lua

  local world = nil
  
  function init()
      world = World()
      world:addSystem(TfSystem())
  
      playerEntity = world:createEntity()
      playerEntity:addComp(TfComp(pos, rotation, scale))
  end
  
  function update(dt)
      world:update(dt)
  end

TODO

Copyright 2020 RayStudio9236

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.