diff --git a/.gitignore b/.gitignore
index d1930cf..ef79c2c 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,4 +4,8 @@ testExecutor
 install
 TODO.txt
 .cache
-compile_flags.txt
\ No newline at end of file
+compile_flags.txt
+game/shader
+game/*.dll
+game/*.dll.a
+game/*.exe
\ No newline at end of file
diff --git a/game/config.lua b/game/config.lua
new file mode 100644
index 0000000..22c9eac
--- /dev/null
+++ b/game/config.lua
@@ -0,0 +1,4 @@
+WindowWidth = 1024
+WindowHeight = 720
+Title = "InfiniteShoot - VisualGMQ For 1MGames v0.1.0"
+EntryFile = "main.lua"
\ No newline at end of file
diff --git a/game/constants.lua b/game/constants.lua
new file mode 100644
index 0000000..86c211e
--- /dev/null
+++ b/game/constants.lua
@@ -0,0 +1,50 @@
+local _M = {}
+
+_M.TileSize = 32
+_M.PlayerInfo = {
+    velocity = 250,
+    hp = 100,
+}
+_M.MonsterInfo = {
+    velocity = 100,
+    hp = 50,
+    damage = 10,
+}
+_M.RoleColliBox = {
+    w = 14,
+    h = 32,
+    x = 9,
+    y = 0,
+}
+_M.Invincible = 1
+_M.BulletColliBox = {
+    x = 10,
+    y = 0,
+    w = 12,
+    h = 12,
+}
+_M.StonePutProbability = 0.1
+_M.PlayerHpBarInfo = {
+    width = _M.TileSize,
+    height = 5,
+}
+_M.MonsetHpBarInfo= {
+    width = _M.TileSize,
+    height = 5,
+}
+_M.GunInfo = {
+    cooldown = 0.1
+}
+_M.BulletInfo = {
+    damage = 10,
+    velocity = 500,
+}
+_M.GunInfo = {
+    cooldown = 0.1
+}
+_M.BulletInfo = {
+    damage = 10,
+    velocity = 500,
+}
+
+return _M
diff --git a/game/content.lua b/game/content.lua
new file mode 100644
index 0000000..926aa2c
--- /dev/null
+++ b/game/content.lua
@@ -0,0 +1,19 @@
+---@class Content
+local _M = {}
+
+---@type Texture
+_M.Texture = nil
+
+---@type TileSheet
+_M.Tilesheet = nil
+
+---@type Entity
+_M.PlayerEntity = nil
+
+---@type table<Entity>
+_M.BulletList = {}
+
+---@type table<Entity>
+_M.MonsterList = {}
+
+return _M
\ No newline at end of file
diff --git a/game/ecs.lua b/game/ecs.lua
new file mode 100644
index 0000000..e13c37d
--- /dev/null
+++ b/game/ecs.lua
@@ -0,0 +1,475 @@
+local hazel = require "hazel"
+local constants = require "constants"
+local math = require "math"
+local vmath = require "vmath"
+local content = require "content"
+
+---@class ECS
+local _M = {}
+
+---@class Entity
+---@field name string
+---@field component table<Component>
+local Entity = { name = "", components = {}}
+
+---@param component Component
+function Entity.SetComponent(self, component)
+    if not component then
+        return
+    end
+    ---@type Component
+    local oldComp = self.components[component:GetName()]
+    if oldComp then
+        oldComp.parent = nil
+        hazel.Log.Logw(string.format("component %s already exists, replace it", oldComp:GetName()))
+    end
+    component.parent = self
+    self.components[component:GetName()] = component
+end
+
+---@return Component|nil
+---@param type string
+function Entity.GetComponent(self, type)
+    if not type then
+        return nil
+    end
+    return self.components[type]
+end
+
+---@param type string
+function Entity.RemoveComponent(self, type)
+    self.components[type] = nil
+end
+
+_M.Entity = Entity
+
+---@return Entity
+---@param name string
+function _M.CreateEntity(name)
+    local o = {name = name, components = {}}
+    setmetatable(o, {__index = Entity})
+    return o
+end
+
+---@param self Entity
+function Entity.Update(self)
+    ---@param v Component
+    for _, v in pairs(self.components) do
+        if v:IsActive() and v.Update then
+            v:Update()
+        end
+    end
+end
+
+---@class Component
+local Component = {
+    ---@param self Component
+    ---@return boolean
+    IsActive = function(self)
+        return self.isActive
+    end,
+
+    ---@param self Component
+    Disable = function(self)
+        self.isActive = false
+    end,
+
+    ---@param self Component
+    Enable = function(self)
+        self.isActive = true
+    end,
+
+    ---@param self Component
+    ---@return string
+    GetName = function(self)
+        return self.name
+    end,
+
+    ---@param self Component
+    ---@return Entity
+    GetParent = function(self)
+        return self.parent
+    end,
+}
+
+---@return Component
+function _M.CreateComponent(o)
+    local o = o or {}
+    setmetatable(o , {__index = Component})
+    return o
+end
+
+---@class ComponentType
+local ComponentType = {
+    Transform = "Transform",
+    Image = "Image",
+    Controller = "Controller",
+    RoleProp = "RoleProp",
+    HpShow = "HpShow",
+    Gun = "Gun",
+    Bullet = "Bullet",
+    Direction = "Direction",
+    AI = "AI",
+    ColliBox = "ColliBox",
+    Invincible = "Invincible",
+}
+
+_M.ComponentType = ComponentType
+
+---@class TransformComponent:Component
+---@field position Point
+---@field size Point
+---@field flip number
+
+---@return TransformComponent
+---@param pos Point
+---@param size Point
+---@param flip number|nil
+function _M.CreateTransformComponent(pos, size, flip)
+    local o = { isActive = true, name = ComponentType.Transform, position = pos, size = size, flip = flip or Flip.None, parent = nil }
+    o.Update = function () end
+    return _M.CreateComponent(o)
+end
+
+---@class ImageComponent:Component
+---@field tilesheet TileSheet
+---@field row number
+---@field col number
+
+---@return ImageComponent
+---@param tilesheet TileSheet
+---@param col number
+---@param row number
+function _M.CreateImageComponent(tilesheet, col, row)
+    local o = { isActive = true, name = ComponentType.Image, tilesheet = tilesheet, col = col, row = row, parent = nil }
+
+    ---@param self ImageComponent
+    o.Update = function(self)
+        ---@type TransformComponent
+        local transform = self:GetParent():GetComponent(ComponentType.Transform)
+        if tilesheet then
+            tilesheet:Draw(self.col or 0, self.row or 0,
+                           hazel.CreateRect(transform.position.x, transform.position.y, transform.size.x, transform.size.y),
+                           transform.flip)
+        end
+    end
+
+    return _M.CreateComponent(o)
+end
+
+---@class DirectionComponent:Component
+---@field direction Point
+
+function _M.CreateDirectionComponent(startRow)
+    local o = { isActive = true, name = ComponentType.Direction, direction = hazel.CreatePos(0, 0), startRow = startRow, parent = nil }
+
+    ---@param self DirectionComponent
+    ---@param dir Point
+    o.SetDir = function(self, dir)
+        self.direction = dir
+    end
+
+    ---@param self DirectionComponent
+    o.Update = function(self)
+        local image = self:GetParent():GetComponent(ComponentType.Image)
+        if not image then
+            return
+        end
+
+        local absX = math.abs(self.direction.x)
+        local absY = math.abs(self.direction.y)
+        if self.direction.y <= 0 and absX <= absY then
+            image.col = 0
+            image.row = 1 + self.startRow
+        end
+        if self.direction.y > 0 and absX <= absY then
+            image.col = 0
+            image.row = 0 + self.startRow
+        end
+        if self.direction.x < 0 and absY < absX then
+            image.col = 0
+            image.row = 2 + self.startRow
+        end
+        if self.direction.x > 0 and absY < absX then
+            image.col = 0
+            image.row = 3 + self.startRow
+        end
+
+    end
+
+    return _M.CreateComponent(o)
+end
+
+---@class ControllerComponent:Component
+
+---@return ControllerComponent 
+---@param speed number
+function _M.CreateControllerComponent()
+    local o = { isActive = true, name = ComponentType.Controller, parent = nil }
+
+    ---@param self ControllerComponent
+    o.Update = function(self)
+        ---@type RolePropComponent
+        local roleProp = self:GetParent():GetComponent(ComponentType.RoleProp)
+        local speed = roleProp.speed
+
+        ---@type TransformComponent
+        local transform = self:GetParent():GetComponent(ComponentType.Transform)
+        local elapseTime = hazel.Time.GetElapseTime()
+        if hazel.IsKeyPressing(hazel.Key.A) then
+            transform.position.x = transform.position.x - speed * elapseTime
+        end
+        if hazel.IsKeyPressing(hazel.Key.D) then
+            transform.position.x = transform.position.x + speed * elapseTime
+        end
+        if hazel.IsKeyPressing(hazel.Key.W) then
+            transform.position.y = transform.position.y - speed * elapseTime
+        end
+        if hazel.IsKeyPressing(hazel.Key.S) then
+            transform.position.y = transform.position.y + speed * elapseTime
+        end
+
+        ---@type Point
+        local mousePos = hazel.GetGameMousePos()
+
+        local playerCenterX = transform.position.x
+        local playerCenterY = transform.position.y
+        playerCenterX = playerCenterX + constants.TileSize / 2
+        playerCenterY = playerCenterY + constants.TileSize / 2
+        ---@type Point
+        local mouseDir = hazel.CreatePos(mousePos.x - playerCenterX, mousePos.y - playerCenterY)
+        self:GetParent():GetComponent(ComponentType.Direction):SetDir(mouseDir)
+    end
+
+    return _M.CreateComponent(o)
+end
+
+---@class InvincibleComponent:Component
+---@field time number
+
+---@return InvincibleComponent
+---@param time number
+function _M.CreateInvincibleComponent(time)
+    local o = { isActive = true, name = ComponentType.Invincible, cooldown = time, timeCountDown = time, parent = nil }
+
+    ---@return boolean
+    ---@param self InvincibleComponent
+    o.IsInvincibleState = function(self)
+        return self.timeCountDown > 0
+    end
+
+    ---@param self InvincibleComponent
+    o.IntoInvincible = function(self)
+        if self.timeCountDown <= 0 then
+            self.timeCountDown = self.cooldown
+        end
+    end
+
+    ---@param self InvincibleComponent
+    o.Update = function(self)
+        self.timeCountDown = self.timeCountDown - hazel.Time.GetElapseTime()
+        if self.timeCountDown < 0 then
+            self.timeCountDown = 0
+        end
+    end
+
+    return _M.CreateComponent(o)
+end
+
+---@class RolePropComponent:Component
+---@field hp number
+---@field maxHp number
+---@field speed number
+---@field damage number
+
+---@return RolePropComponent
+---@param hp number
+---@param speed number
+---@param damage number|nil
+function _M.CreateRolePropComponent(hp, speed, damage)
+    local o = { isActive = true, name = ComponentType.RoleProp, maxHp = hp, hp = hp, speed = speed, damage = damage or 0, parent = nil }
+    ---@param self RolePropComponent
+    o.IsDie = function(self)
+        return self.hp <= 0
+    end
+    o.Update = function(self)
+        if self.hp < 0 then
+            self.hp = 0
+        end
+    end
+    return _M.CreateComponent(o)
+end
+
+---@class HpShowComponent:Component
+---@field size Point
+
+---@return HpShowComponent
+---@param size Point
+function _M.CreateHpShowComponent(size)
+    local o = { isActive = true, name = ComponentType.HpShow, size = size, parent = nil }
+
+    ---@param self HpShowComponent
+    o.Update = function(self)
+        ---@type Point
+        local position = self:GetParent():GetComponent(ComponentType.Transform).position
+        local pos = hazel.CreatePos(position.x, position.y - self.size.y - 2)
+
+        ---@type RolePropComponent
+        local roleProp = self:GetParent():GetComponent(ComponentType.RoleProp)
+        hazel.Renderer.SetDrawColor(1, 1, 1, 1) 
+        hazel.Renderer.FillRect(pos.x, pos.y, size.x, size.y)
+
+        hazel.Renderer.SetDrawColor(0, 1, 0, 1) 
+        hazel.Renderer.FillRect(pos.x, pos.y, size.x * roleProp.hp / roleProp.maxHp, size.y)
+
+        hazel.Renderer.SetDrawColor(0, 0, 0, 1) 
+        hazel.Renderer.DrawRect(pos.x, pos.y, size.x, size.y)
+    end
+    return _M.CreateComponent(o)
+end
+
+
+---@class AIComponent:Component
+
+---@return AIComponent
+function _M.CreateAIComponent()
+    local o = { isActive = true, name = ComponentType.AI, parent = nil }
+
+    ---@param self AIComponent
+    o.Update = function(self)
+        ---@type DirectionComponent
+        local direction = self:GetParent():GetComponent(ComponentType.Direction)
+
+        local playerCenterX = content.PlayerEntity:GetComponent(ComponentType.Transform).position.x + constants.TileSize / 2
+        local playerCenterY = content.PlayerEntity:GetComponent(ComponentType.Transform).position.y + constants.TileSize / 2
+        local myselfCenterX = self:GetParent():GetComponent(ComponentType.Transform).position.x + constants.TileSize / 2
+        local myselfCenterY = self:GetParent():GetComponent(ComponentType.Transform).position.y + constants.TileSize / 2
+
+        ---@type Point
+        local dir = vmath.Normalize(hazel.CreatePos(playerCenterX - myselfCenterX, playerCenterY - myselfCenterY))
+        direction:SetDir(dir)
+
+        ---@type Point
+        local position = self:GetParent():GetComponent(ComponentType.Transform).position
+        local velocity = self:GetParent():GetComponent(ComponentType.RoleProp).speed
+        local elapseTime = hazel.Time.GetElapseTime()
+        position.x = position.x + velocity * dir.x * elapseTime
+        position.y = position.y + velocity * dir.y * elapseTime
+    end
+
+    return _M.CreateComponent(o)
+end
+
+---@class GunComponent:Component
+---@field damage number
+---@field speed Point
+
+---@return GunComponent
+---@param damage number
+---@param velocity number
+function _M.CreateGunComponent(damage, velocity)
+    local o = { isActive = true, name = ComponentType.Gun, damage = damage, timeCounter = 0, parent = nil }
+    ---@param self GunComponent
+    o.Update = function(self)
+        if self.timeCounter < constants.GunInfo.cooldown then
+            self.timeCounter = self.timeCounter + hazel.Time.GetElapseTime()
+        end
+        if self.timeCounter >= constants.GunInfo.cooldown then
+            self.timeCounter = constants.GunInfo.cooldown
+        end
+        if hazel.GetMouseButtonState(hazel.MouseButton.Left) == hazel.InputState.Press and self.timeCounter >= constants.GunInfo.cooldown then
+            self.timeCounter = self.timeCounter - constants.GunInfo.cooldown
+            ---@type Point
+            local position = self:GetParent():GetComponent(ComponentType.Transform).position
+            ---@type Point
+            local mousePos = hazel.GetGameMousePos()
+            local playerCenterX = position.x + constants.TileSize / 2
+            local playerCenterY = position.y + constants.TileSize / 2
+            local nMouseDir = vmath.Normalize(hazel.CreatePos(mousePos.x - playerCenterX, mousePos.y - playerCenterY))
+
+            local bullet = _M.CreateBullet(hazel.CreatePos(playerCenterX - constants.TileSize / 2, playerCenterY - constants.TileSize / 2), self.damage, hazel.CreatePos(nMouseDir.x * velocity, nMouseDir.y * velocity))
+            table.insert(content.BulletList, bullet)
+        end
+    end
+    return _M.CreateComponent(o)
+end
+
+
+
+---@class BulletComponent:Component
+---@field damage number
+---@field speed Point
+
+---@return BulletComponent
+---@param damage number
+---@param speed Point
+function _M.CreateBulletComponent(damage, speed)
+    local o = { isActive = true, name = ComponentType.Bullet, damage = damage, speed = speed, parent = nil }
+    ---@param self BulletComponent
+    o.Update = function(self)
+        local position = self:GetParent():GetComponent(ComponentType.Transform).position
+        local elapseTime = hazel.Time.GetElapseTime()
+        position.x = position.x + self.speed.x * elapseTime
+        position.y = position.y + self.speed.y * elapseTime
+    end
+    return _M.CreateComponent(o)
+end
+
+---@class ColliBoxComponent:Component
+---@field rect Rect
+
+---@return ColliBoxComponent
+---@param rect Rect
+function _M.CreateColliBoxComponent(rect)
+    local o = { isActive = true, name = ComponentType.ColliBox, rect = rect, parent = nil }
+    o.Update = function(self) end
+    return _M.CreateComponent(o)
+end
+
+
+---@return Entity
+---@param pos Point
+---@param damage number
+---@param speed Point
+function _M.CreateBullet(pos, damage, speed)
+    ---@type Entity
+    local entity = _M.CreateEntity("Bullet")
+    entity:SetComponent(_M.CreateTransformComponent(pos, hazel.CreateSize(constants.TileSize, constants.TileSize)))
+    entity:SetComponent(_M.CreateBulletComponent(damage, speed))
+    entity:SetComponent(_M.CreateImageComponent(content.Tilesheet, 1, 4))
+    entity:SetComponent(_M.CreateColliBoxComponent(constants.BulletColliBox))
+    return entity
+end
+
+---@return Entity
+---@param pos Point
+function _M.CreatePlayer(pos)
+    local entity = _M.CreateEntity("player")
+    entity:SetComponent(_M.CreateTransformComponent(hazel.CreatePos(pos.x, pos.y), hazel.CreateSize(constants.TileSize, constants.TileSize), Flip.Vertical))
+    entity:SetComponent(_M.CreateImageComponent(content.Tilesheet, 0, 0))
+    entity:SetComponent(_M.CreateControllerComponent())
+    entity:SetComponent(_M.CreateRolePropComponent(constants.PlayerInfo.hp, constants.PlayerInfo.velocity))
+    entity:SetComponent(_M.CreateHpShowComponent(hazel.CreateSize(constants.PlayerHpBarInfo.width, constants.PlayerHpBarInfo.height)))
+    entity:SetComponent(_M.CreateGunComponent(constants.BulletInfo.damage, constants.BulletInfo.velocity))
+    entity:SetComponent(_M.CreateDirectionComponent(0))
+    entity:SetComponent(_M.CreateColliBoxComponent(constants.RoleColliBox))
+    entity:SetComponent(_M.CreateInvincibleComponent(constants.Invincible))
+    return entity
+end
+
+---@return Entity
+---@param pos Point
+function _M.CreateMonster(pos)
+    local entity = _M.CreateEntity("monster")
+    entity:SetComponent(_M.CreateTransformComponent(hazel.CreatePos(pos.x, pos.y), hazel.CreateSize(constants.TileSize, constants.TileSize), Flip.Vertical))
+    entity:SetComponent(_M.CreateImageComponent(content.Tilesheet, 0, 5))
+    entity:SetComponent(_M.CreateRolePropComponent(constants.MonsterInfo.hp, constants.MonsterInfo.velocity, constants.MonsterInfo.damage))
+    entity:SetComponent(_M.CreateHpShowComponent(hazel.CreateSize(constants.MonsetHpBarInfo.width, constants.MonsetHpBarInfo.height)))
+    entity:SetComponent(_M.CreateDirectionComponent(5))
+    entity:SetComponent(_M.CreateColliBoxComponent(constants.RoleColliBox))
+    entity:SetComponent(_M.CreateAIComponent())
+    return entity
+end
+
+
+return _M
\ No newline at end of file
diff --git a/game/hazel.lua b/game/hazel.lua
new file mode 100644
index 0000000..bb97e6e
--- /dev/null
+++ b/game/hazel.lua
@@ -0,0 +1,465 @@
+---@class libhazel
+local libhazel = require "libhazel"
+
+---@class hazel
+local _M = {}
+
+---@class Point
+---@field x number
+---@field y number
+
+---@class Rect
+---@field x number
+---@field y number
+---@field w number
+---@field h number
+
+
+---@return Point
+---@param x number
+---@param y number
+function _M.CreatePos(x, y)
+    return {x = x, y = y}
+end
+
+---@return Point
+---@param w number
+---@param h number
+function _M.CreateSize(w, h)
+    return {x = w, y = h}
+end
+
+
+---@return Rect
+---@param x number
+---@param y number
+---@param w number
+---@param h number
+function _M.CreateRect(x, y, w, h)
+    return {x = x, y = y, w = w, h = h}
+end
+
+---@class InputState
+_M.InputState = {
+    Release = 0,
+    Press = 1,
+    Repeat = 2,
+}
+
+---@class Key
+_M.Key = {
+    Unkown = -1,
+    Space = 32,
+    Apostrophe = 39,
+    Comma = 44,
+    Minus = 45,
+    Period = 46,
+    Slash = 47,
+    K_0 = 48,
+    K_1 = 49,
+    K_2 = 50,
+    K_3 = 51,
+    K_4 = 52,
+    K_5 = 53,
+    K_6 = 54,
+    K_7 = 55,
+    K_8 = 56,
+    K_9 = 57,
+    Semicolon = 59,
+    Equal = 61,
+    A = 65,
+    B = 66,
+    C = 67,
+    D = 68,
+    E = 69,
+    F = 70,
+    G = 71,
+    H = 72,
+    I = 73,
+    J = 74,
+    K = 75,
+    L = 76,
+    M = 77,
+    N = 78,
+    O = 79,
+    P = 80,
+    Q = 81,
+    R = 82,
+    S = 83,
+    T = 84,
+    U = 85,
+    V = 86,
+    W = 87,
+    X = 88,
+    Y = 89,
+    Z = 90,
+    Left_bracket = 91,
+    Backslash = 92,
+    Right_bracket = 93,
+    Grave_accent = 96,
+    World_1 = 161,
+    World_2 = 162,
+    Escape = 256,
+    Enter = 257,
+    Tab = 258,
+    Backspace = 259,
+    Insert = 260,
+    Delete = 261,
+    Right = 262,
+    Left = 263,
+    Down = 264,
+    Up = 265,
+    Page_up = 266,
+    Page_down = 267,
+    Home = 268,
+    End = 269,
+    Caps_lock = 280,
+    Scroll_lock = 281,
+    Num_lock = 282,
+    Print_screen = 283,
+    Pause = 284,
+    F1 = 290,
+    F2 = 291,
+    F3 = 292,
+    F4 = 293,
+    F5 = 294,
+    F6 = 295,
+    F7 = 296,
+    F8 = 297,
+    F9 = 298,
+    F10 = 299,
+    F11 = 300,
+    F12 = 301,
+    F13 = 302,
+    F14 = 303,
+    F15 = 304,
+    F16 = 305,
+    F17 = 306,
+    F18 = 307,
+    F19 = 308,
+    F20 = 309,
+    F21 = 310,
+    F22 = 311,
+    F23 = 312,
+    F24 = 313,
+    F25 = 314,
+    KP_0 = 320,
+    KP_1 = 321,
+    KP_2 = 322,
+    KP_3 = 323,
+    KP_4 = 324,
+    KP_5 = 325,
+    KP_6 = 326,
+    KP_7 = 327,
+    KP_8 = 328,
+    KP_9 = 329,
+    KP_decimal = 330,
+    KP_divide = 331,
+    KP_multiply = 332,
+    KP_subtract = 333,
+    KP_add = 334,
+    KP_enter = 335,
+    KP_equal = 336,
+    LeftShift = 340,
+    LeftControl = 341,
+    LeftAlt = 342,
+    LeftSuper = 343,
+    RightShift = 344,
+    RightControl = 345,
+    RightAlt = 346,
+    RightSuper = 347,
+    Menu = 348,
+}
+
+---@class MouseButton
+_M.MouseButton = {
+    Left = 0,
+    Right = 1,
+    Middle = 2,
+}
+
+---@return InputState
+---@param key Key
+function _M.GetKeyState(key)
+    return libhazel.GetKeyState(key)
+end
+
+---@return boolean
+---@param key number
+function _M.IsKeyPressing(key)
+    return _M.GetKeyState(key) == _M.InputState.Press
+end
+
+---@return boolean
+---@param key number
+function _M.IsKeyReleasing(key)
+    return _M.GetKeyState(key) == _M.InputState.Release
+end
+
+---@return Point
+function _M.GetMousePos()
+    local x, y = libhazel.GetMousePos()
+    return _M.CreatePos(x, y)
+end
+
+---@return Point
+function _M.GetGameMousePos()
+    local x, y = libhazel.GetMousePos()
+    local windowSize = _M.GetWindowSize()
+    local canvaSize = _M.GetCanvaSize()
+    return _M.CreatePos(x * canvaSize.x / windowSize.x, y * canvaSize.y / windowSize.y)
+end
+
+function _M.HideCursor()
+    libhazel.HideCursor()
+end
+
+function _M.ShowCursor()
+    libhazel.ShowCursor()
+end
+
+---@return InputState
+---@param btn MouseButton
+function _M.GetMouseButtonState(btn)
+    return libhazel.GetMouseButtonState(btn)
+end
+
+---@return number
+function _M.GetTime()
+    return libhazel.GetTime()
+end
+
+---@param filename string
+function _M.SetWindowIcon(filename)
+    libhazel.WindowSetIcon(filename)
+end
+
+---@return Point
+function _M.GetCanvaSize()
+    local x, y = libhazel.GetCanvaSize()
+    return _M.CreatePos(x, y)
+end
+
+---@return Point
+function _M.GetWindowSize()
+    local x, y = libhazel.GetWindowSize()
+    return _M.CreatePos(x, y)
+end
+
+---@class Texture
+---@field w number
+---@field h number
+
+---@return Texture
+---@param filename string
+function _M.LoadTexture(filename)
+    local texture = libhazel.LoadTexture(filename)
+    local w, h = libhazel.TextureGetSize(texture)
+    return {rawPointer = texture, w = w, h = h}
+end
+
+---@param texture Texture
+function _M.DestroyTexture(texture)
+    libhazel.DestroyTexture(texture.rawPointer)
+end
+
+---@return Point
+---@param texture Texture
+function _M.GetTextureSize(texture)
+    local x, y = libhazel.TextureGetSize(texture)
+    return _M.CreatePos(x, y)
+end
+
+function _M.SayHello()
+    libhazel.SayHello()
+end
+
+---@class Flip
+Flip = {
+    None = 0,
+    Vertical = 1,
+    Horizontal = 2,
+    Both = 3,
+}
+
+_M.Flip = Flip
+
+---@class Renderer
+local Renderer = {
+    ---@param r number
+    ---@param g number
+    ---@param b number
+    ---@param a number
+    SetClearColor = function(r, g, b, a)
+        libhazel.RenderSetClearColor(r, g, b, a or 1)
+    end,
+
+    ---@param r number
+    ---@param g number
+    ---@param b number
+    ---@param a number
+    SetDrawColor = function(r, g, b, a)
+        libhazel.RenderSetDrawColor(r, g, b, a or 1)
+    end,
+
+    ---@param x1 number
+    ---@param y1 number
+    ---@param x2 number
+    ---@param y2 number
+    DrawLine = function(x1, y1, x2, y2)
+        libhazel.RenderDrawLine(x1, y1, x2, y2)
+    end,
+
+    ---@param p1 Point
+    ---@param p2 Point
+    DrawLineByPoints = function(p1, p2)
+        libhazel.RenderDrawLine(p1.x, p1.y, p2.x, p2.y)
+    end,
+
+    ---@param x number
+    ---@param y number
+    ---@param w number
+    ---@param h number
+    DrawRect = function(x, y, w, h)
+        libhazel.RenderDrawRect(x, y, w, h)
+    end,
+
+    ---@param rect Rect
+    DrawRectByRect = function(rect)
+        libhazel.RenderDrawRect(rect.x, rect.y, rect.w, rect.h)
+    end,
+
+    ---@param x number
+    ---@param y number
+    ---@param w number
+    ---@param h number
+    FillRect = function(x, y, w, h)
+        libhazel.RenderFillRect(x, y, w, h)
+    end,
+
+    ---@param rect Rect
+    FillRectByRect = function(rect)
+        libhazel.RenderFillRect(rect.x, rect.y, rect.w, rect.h)
+    end,
+
+    ---@param texture Texture
+    ---@param srcrect Rect|nil
+    ---@param dstrect Rect|nil
+    ---@param flip number|nil
+    DrawTexture = function(texture, srcrect, dstrect, flip)
+        srcrect = srcrect or _M.CreateRect(0, 0, texture.w, texture.h)
+        local size = _M.GetCanvaSize();
+        dstrect = dstrect or _M.CreateRect(0, 0, size.x, size.y)
+        libhazel.RenderDrawTexture(texture.rawPointer,
+                                   srcrect.x, srcrect.y, srcrect.w, srcrect.h,
+                                   dstrect.x, dstrect.y, dstrect.w, dstrect.h,
+                                   flip or Flip.None)
+    end,
+
+    Clear = function()
+        libhazel.RenderClear()
+    end
+}
+
+_M.Renderer = Renderer
+
+---@class Log
+local Log = {}
+
+function Log.Loge(...)
+    print("[Lua Error]:", ...)
+end
+
+function Log.Logw(...)
+    print("[Lua Warn]:", ...)
+end
+
+function Log.Logi(...)
+    print("[Lua Info]:", ...)
+end
+
+_M.Log = Log
+
+
+---@class TextureStorage
+local TextureStorage = {
+    storage = {}
+}
+
+---@param filename string
+---@param name string
+---@return Texture
+function TextureStorage.LoadTexture(filename, name)
+    local oldTexture = TextureStorage.storage[name]
+    if oldTexture then
+        _M.Log.Logw(string.format("%s already exists, delete it", name))
+        _M.DestroyTexture(oldTexture)
+    end
+    local texture = _M.LoadTexture(filename)
+    TextureStorage.storage[name] = texture
+    return texture
+end
+
+function TextureStorage.ClearAll()
+    for _, v in pairs(TextureStorage.storage) do
+        if v then
+            _M.DestroyTexture(v)
+        end
+    end
+end
+
+---@return Texture
+---@param name string
+function TextureStorage.Get(name)
+    return TextureStorage.storage[name]
+end
+
+_M.TextureStorage = TextureStorage
+
+---@class TileSheet
+---@field column number
+---@field row number
+---@field texture Texture
+---@field tileWidth number
+---@field tileHeight number
+local TileSheet = {}
+
+---@return TileSheet
+---@param texture Texture
+---@param column number
+---@param row number
+function _M.CreateTileSheet(texture, column, row)
+    local o = {texture = texture, column = column, row = row, tileWidth = texture.w / column, tileHeight = texture.h / row}
+    setmetatable(o, {__index = TileSheet})
+    return o
+end
+
+---@param self TileSheet
+---@param column number
+---@param row number
+---@param dstrect Rect
+---@param flip number
+function TileSheet.Draw(self, column, row, dstrect, flip)
+    local srcrect = _M.CreateRect(column * self.tileWidth, row * self.tileHeight, self.tileWidth, self.tileHeight)
+    _M.Renderer.DrawTexture(self.texture, srcrect, dstrect, flip)
+end
+
+_M.TileSheet = TileSheet
+
+
+local Time = { curTime = 0, elapseTime = 0 }
+
+function Time.RecordElapseTime()
+    local oldTime = Time.curTime
+    Time.curTime = libhazel.GetTime()
+    Time.elapseTime = Time.curTime - oldTime
+end
+
+---@return number  the passed seconds between two frames
+function Time.GetElapseTime()
+    return Time.elapseTime
+end
+
+_M.Time = Time
+
+return _M
diff --git a/game/main.lua b/game/main.lua
new file mode 100644
index 0000000..fd419eb
--- /dev/null
+++ b/game/main.lua
@@ -0,0 +1,174 @@
+local hazel = require "hazel"
+local ECS = require "ecs"
+local constants = require "constants"
+local math = require "math"
+local content = require "content"
+local vmath = require "vmath"
+
+local function drawCurosr()
+    hazel.Renderer.SetDrawColor(1, 0, 0, 1)
+    local pos = hazel.GetGameMousePos()
+    local halfW = 10
+    local halfH = 10
+    hazel.Renderer.DrawRect(pos.x - halfW, pos.y - halfH, halfW * 2, halfH * 2)
+    hazel.Renderer.DrawLine(pos.x - halfW + 5, pos.y, pos.x + halfW - 5, pos.y)
+    hazel.Renderer.DrawLine(pos.x, pos.y - halfH + 5, pos.x, pos.y + halfH - 5)
+end
+
+local FloorMap = {}
+
+local function generateFloors()
+    local xNum = math.ceil(hazel.GetCanvaSize().x / constants.TileSize)
+    local yNum = math.ceil(hazel.GetCanvaSize().y / constants.TileSize)
+    for x = 0, xNum do
+        for y = 0, yNum do
+            FloorMap[y + x * yNum] = math.random() <= constants.StonePutProbability
+        end
+    end
+end
+
+local function drawFloors()
+    local xNum = math.ceil(hazel.GetCanvaSize().x / constants.TileSize)
+    local yNum = math.ceil(hazel.GetCanvaSize().y / constants.TileSize)
+    local tileIndex = {row = 9, col = 0}
+    for x = 0, xNum do
+        for y = 0, yNum do
+            if FloorMap[y + x * yNum] then
+                tileIndex.col = 1
+            else
+                tileIndex.col = 0
+            end
+            content.Tilesheet:Draw(tileIndex.col, tileIndex.row,
+                                   hazel.CreateRect(x * constants.TileSize, y * constants.TileSize,
+                                                    constants.TileSize, constants.TileSize),
+                                   hazel.Flip.None)
+        end
+    end
+end
+
+local function updateBullet()
+    for k, _ in pairs(content.BulletList) do
+        ---@type Entity
+        local bullet = content.BulletList[k]
+        bullet:Update()
+        ---@type Point
+        local position = bullet:GetComponent(ECS.ComponentType.Transform).position
+        if position.x + constants.TileSize <= 0 or
+           position.x >= hazel.GetCanvaSize().x or
+           position.y + constants.TileSize <= 0 or
+           position.y >= hazel.GetCanvaSize().y then
+            content.BulletList[k] = nil
+        end
+    end
+end
+
+local function updateMonster()
+    ---@param v Entity
+    for _, v in pairs(content.MonsterList) do
+        v:Update()
+    end
+end
+
+local function collisionDeal()
+    ---@type Rect
+    local playerBox = content.PlayerEntity:GetComponent(ECS.ComponentType.ColliBox).rect
+    ---@type Point
+    local playerPos = content.PlayerEntity:GetComponent(ECS.ComponentType.Transform).position
+    ---@type Rect
+    local playerColliBox = hazel.CreateRect(playerPos.x + playerBox.x, playerPos.y + playerBox.y, playerBox.w, playerBox.h)
+    ---@type m Entity
+    for km, _ in pairs(content.MonsterList) do
+        ---@type Entity
+        local monster = content.MonsterList[km]
+        ---@type Point
+        local monsterPos = monster:GetComponent(ECS.ComponentType.Transform).position
+        ---@type ColliBoxComponent
+        local monsterBoxComponent = monster:GetComponent(ECS.ComponentType.ColliBox)
+        if monsterBoxComponent then
+            ---@type Rect
+            local monsterBox = monsterBoxComponent.rect
+            ---@type Rect
+            local monsterColliBox = hazel.CreateRect(monsterPos.x + monsterBox.x, monsterPos.y + monsterBox.y,
+                                                     monsterBox.w, monsterBox.h)
+            ---@type RolePropComponent
+            local monsterRoleProp = monster:GetComponent(ECS.ComponentType.RoleProp)
+            if vmath.IsRectIntersect(playerColliBox, monsterColliBox) then
+                ---@type InvincibleComponent
+                local playerInvincible = content.PlayerEntity:GetComponent(ECS.ComponentType.Invincible)
+                if not playerInvincible:IsInvincibleState() then
+                    ---@type RolePropComponent
+                    local playerRoleProp = content.PlayerEntity:GetComponent(ECS.ComponentType.RoleProp)
+                    playerRoleProp.hp = playerRoleProp.hp - monsterRoleProp.damage
+                    if playerRoleProp:IsDie() then
+                        content.PlayerEntity:RemoveComponent(ECS.ComponentType.Controller)
+                        content.PlayerEntity:RemoveComponent(ECS.ComponentType.Gun)
+                        content.PlayerEntity:RemoveComponent(ECS.ComponentType.Direction)
+                        content.PlayerEntity:RemoveComponent(ECS.ComponentType.HpShow)
+                        ---@type ImageComponent
+                        local image = content.PlayerEntity:GetComponent(ECS.ComponentType.Image)
+                        image.row = 4
+                        image.col = 0
+                    else
+                        playerInvincible:IntoInvincible()
+                    end
+                end
+            end
+
+            for kb, _ in pairs(content.BulletList) do
+                ---@type Entity
+                local bullet = content.BulletList[kb]
+                ---@type Point
+                local bulletPos = bullet:GetComponent(ECS.ComponentType.Transform).position
+                ---@type Rect
+                local bulletBox = bullet:GetComponent(ECS.ComponentType.ColliBox).rect
+                ---@type Rect
+                local bulletColliBox = hazel.CreateRect(bulletPos.x + bulletBox.x, bulletPos.y + bulletBox.y, bulletBox.w, bulletBox.h)
+                if vmath.IsRectIntersect(bulletColliBox, monsterColliBox) then
+                    content.BulletList[kb] = nil
+                    local damage = bullet:GetComponent(ECS.ComponentType.Bullet).damage
+                    monsterRoleProp.hp = monsterRoleProp.hp - damage
+                    if monsterRoleProp:IsDie() then
+                        monster:RemoveComponent(ECS.ComponentType.Direction)
+                        monster:RemoveComponent(ECS.ComponentType.AI)
+                        monster:RemoveComponent(ECS.ComponentType.HpShow)
+                        monster:RemoveComponent(ECS.ComponentType.ColliBox)
+                        ---@type ImageComponent
+                        local image = monster:GetComponent(ECS.ComponentType.Image)
+                        image.row = 4
+                        image.col = 2
+                    end
+                end
+            end
+        end
+    end
+end
+
+function GameStart()
+    hazel.SetWindowIcon("resources/icon.png")
+    content.Texture = hazel.LoadTexture("resources/tilesheet.png")
+    content.Tilesheet = hazel.CreateTileSheet(content.Texture, 3, 10)
+    content.PlayerEntity = ECS.CreatePlayer(hazel.CreatePos(constants.TileSize * 10, constants.TileSize * 10))
+    table.insert(content.MonsterList, ECS.CreateMonster(hazel.CreatePos(500, 500)))
+
+    hazel.HideCursor()
+    generateFloors()
+end
+
+function GameLoop()
+    hazel.Time.RecordElapseTime()
+
+    hazel.Renderer.SetClearColor(0, 0, 0, 1)
+    hazel.Renderer.Clear()
+
+    drawFloors()
+    updateMonster()
+    content.PlayerEntity:Update()
+    updateBullet()
+    collisionDeal()
+    drawCurosr()
+end
+
+function GameQuit()
+    hazel.ShowCursor()
+    hazel.DestroyTexture(content.Texture)
+end
diff --git a/game/resources/icon.png b/game/resources/icon.png
new file mode 100644
index 0000000..0536da1
Binary files /dev/null and b/game/resources/icon.png differ
diff --git a/game/resources/tilesheet.png b/game/resources/tilesheet.png
new file mode 100644
index 0000000..7997510
Binary files /dev/null and b/game/resources/tilesheet.png differ
diff --git a/game/vmath.lua b/game/vmath.lua
new file mode 100644
index 0000000..d4605c5
--- /dev/null
+++ b/game/vmath.lua
@@ -0,0 +1,28 @@
+local math = require "math"
+local hazel = require "hazel"
+local _M = {}
+
+---@return number
+---@param p Point
+function _M.Len(p)
+    return math.sqrt(p.x * p.x + p.y * p.y)
+end
+
+---@return Point
+---@param p
+function _M.Normalize(p)
+    local l = _M.Len(p)
+    return hazel.CreatePos(p.x / l, p.y / l)
+end
+
+---@return boolean
+---@param r1 Rect
+---@param r2 Rect
+function _M.IsRectIntersect(r1, r2)
+    return not (r1.x + r1.w < r2.x or
+                r2.x + r2.w < r1.x or
+                r2.y + r2.h < r1.y or
+                r1.y + r1.h < r2.y)
+end
+
+return _M
\ No newline at end of file