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662<!--
CO_OP_TRANSLATOR_METADATA:
{
"original_hash": "a6332a7bb4d0be3bfd24199c83993777",
"translation_date": "2025-11-04T02:39:06+00:00",
"source_file": "6-space-game/1-introduction/README.md",
"language_code": "he"
}
-->
# ืื ืืืช ืืฉืืง ืืื ืืืง 1: ืืืื
```mermaid
journey
title Your Game Development Journey
section Foundation
Learn game architecture: 3: Student
Understand inheritance: 4: Student
Explore composition: 4: Student
section Communication
Build pub/sub system: 4: Student
Design event flow: 5: Student
Connect components: 5: Student
section Application
Create game objects: 5: Student
Implement patterns: 5: Student
Plan game structure: 5: Student
```

ืืื ืฉืืจืื ืืืงืจื ืฉื ื ืืก"ื ืืชืื ืืขืจืืืช ืจืืืช ืืืืื ืฉืืืืจ ืืืืืช, ืื ืื ื ืืืืืื ืืื ืืช ืืฉืืง ืืื ืฉืืืืื ืืื ืืืงืื ืฉืื ืื ืืชืืื ืืช ืืืืืื ืืขืืื ืืื ืืฆืืจื ืืืงื. ืชืื ืืื ืืฆืืจืช ืืฉืื ืฉืชืืืื ืืฉืืง ืื, ืชืืืื ืืืฉืืื ืชืื ืืชืืื ืืืื ืืื ืฉืชืงืคืื ืืื ืคืจืืืงื ืชืืื ื.
ื ืืงืืจ ืฉืชื ืืืฉืืช ืืกืืกืืืช ืืืจืืื ืงืื: ืืจืืฉื ืืืจืืื. ืืื ืืื ื ืจืง ืืืฉืืื ืืงืืืืื โ ืืื ืืคืืกืื ืฉืื ืืขืื ืืื, ืืืฉืืงื ืืืืื ืืขื ืืขืจืืืช ืื ืงืืืืช. ืื ืืกืฃ, ื ืืืฉื ืืขืจืืช ืชืงืฉืืจืช ืืฉื pub/sub ืฉืคืืขืืช ืืื ืจืฉืชืืช ืชืงืฉืืจืช ืืืืืืืช, ืืืืคืฉืจืช ืืจืืืืื ืฉืื ืื ืืฉืชืฃ ืืืืข ืืืื ืืืฆืืจ ืชืืืช.
ืืกืืฃ ืืกืืจื, ืชืืื ื ืืื ืืื ืืช ืืืฉืืืื ืฉืืืืืื ืืืชืคืชื ืืืืชืจืื โ ืืื ืื ืืชื ืืคืชืืื ืืฉืืงืื, ืืืฉืืื ืืื ืืจื ื ืื ืื ืืขืจืืช ืชืืื ื ืืืจืช.
```mermaid
mindmap
root((Game Architecture))
Object Organization
Inheritance
Composition
Class Hierarchies
Behavior Mixing
Communication Patterns
Pub/Sub System
Event Emitters
Message Passing
Loose Coupling
Game Objects
Properties (x, y)
Behaviors (move, collide)
Lifecycle Management
State Management
Design Patterns
Factory Functions
Observer Pattern
Component System
Event-Driven Architecture
Scalability
Modular Design
Maintainable Code
Testing Strategies
Performance Optimization
```
## ืฉืืืื ืืคื ื ืืืจืฆืื
[ืฉืืืื ืืคื ื ืืืจืฆืื](https://ff-quizzes.netlify.app/web/quiz/29)
## ืืจืืฉื ืืืจืืื ืืคืืชืื ืืฉืืงืื
ืืฉืืคืจืืืงืืื ืืืืื ืืืืจืืืืชื, ืืจืืื ืืงืื ืืืคื ืืงืจืืื. ืื ืฉืืชืืื ืืกืงืจืืคื ืคืฉืื ืืืื ืืืคืื ืืงืฉื ืืชืืืืงื ืืื ืืื ื ืืชืืื โ ืืืืืง ืืื ืฉืืืฉืืืืช ืฉื ืืคืืื ืืจืฉื ืชืืืื ืืืืืง ืืื ืืืคื ืจืืืืื.
ื ืืงืืจ ืฉืชื ืืืฉืืช ืืกืืกืืืช ืืืจืืื ืงืื: ืืจืืฉื ืืืจืืื. ืืื ืืืช ืืฉ ืืชืจืื ืืช ืืืืืืืื, ืืืื ืช ืฉืชืืื ืขืืืจืช ืืืืืจ ืืช ืืืืฉื ืื ืืื ื ืืืฆืืื ืฉืื ืื. ื ืืืื ืืช ืืืืฉืืื ืืืื ืืจื ืืฉืืง ืืืื ืฉืื ื, ืฉืื ืืืืืจืื, ืืืืืื, ืืืืืงืื ืืจืืืืื ืืืจืื ืืืืืื ืืชืงืฉืจ ืืืขืืืืช.
โ
ืืื ืืกืคืจืื ืืืคืืจืกืืื ืืืืชืจ ืขื ืชืื ืืช ืขืืกืง ื-[ืืคืืกื ืขืืฆืื](https://en.wikipedia.org/wiki/Design_Patterns).
ืืื ืืฉืืง, ืืฉ ืืื `game objects` โ ืืืืื ืืื ืืืื ืืจืืงืืืืืื ืฉืืืืืกืื ืืช ืขืืื ืืืฉืืง ืฉืืื. ืืืืืจืื, ืืืืืื, ืืืืืงืื ืืืคืงืืื ืืืืชืืื ืื ืืืื ืืืืืืงืืื ืืืฉืืง. ืื ืืื ืืื ืงืืื ืืงืืืืจืืื ืืืช ืืกืืืืืช ืขื ืืืกื ืืืืฆืขืืช ืขืจืื `x` ื-`y`, ืืืืื ืืฉืจืืื ื ืงืืืืช ืขื ืืขืจืืช ืฆืืจืื.
ืืืจืืช ืืืืืืื ืืืืืชืืื ืฉืืื, ืืืืืืงืืื ืืื ืืืืงืื ืืขืืชืื ืงืจืืืืช ืืชื ืืืืืืช ืืกืืกืืืช:
- **ืื ืงืืืืื ืืืคืฉืื** โ ืืื ืืืืืืงื ืืฉ ืงืืืืจืืื ืืืช x ื-y ืืื ืฉืืืฉืืง ืืืข ืืืื ืืฆืืืจ ืืืชื
- **ืจืืื ืืืืืื ืื ืืข** โ ืืืืืจืื ืจืฆืื, ืืืืืื ืจืืืคืื, ืืืืจืื ืขืคืื ืขื ืคื ื ืืืกื
- **ืืฉ ืืื ืืืจื ืืืื** โ ืืืงื ื ืฉืืจืื ืื ืฆื, ืืืจืื (ืืื ืคืืฆืืฆืื) ืืืคืืขืื ืืืื ืงืฆืจ ืื ืขืืืื
- **ืื ืืืืืื ืืืืจืื** โ ืืฉืืืจืื ืืชื ืืฉืื, ืืืืืงืื ื ืืกืคืื, ืืืื ืืืื ืืชืขืืื ืื
โ
ืืฉืื ืขื ืืฉืืง ืืื ืคืืง-ืื. ืืื ืชืืืื ืืืืืช ืืช ืืจืืขืช ืกืืื ืืืืืืืงืืื ืืืคืืจืืื ืืขืื ืืืฉืืง ืืื?
```mermaid
classDiagram
class GameObject {
+x: number
+y: number
+type: string
+exists_somewhere()
}
class MovableObject {
+moveTo(x, y)
+can_move_around()
}
class TemporaryObject {
+lifespan: number
+has_lifespan()
}
class InteractiveObject {
+onCollision()
+reacts_to_stuff()
}
GameObject <|-- MovableObject
GameObject <|-- TemporaryObject
GameObject <|-- InteractiveObject
MovableObject <|-- Hero
MovableObject <|-- Enemy
MovableObject <|-- Bullet
TemporaryObject <|-- PowerUp
TemporaryObject <|-- Explosion
InteractiveObject <|-- Collectible
InteractiveObject <|-- Obstacle
```
### ืืืืื ืืชื ืืืืช ืืจื ืงืื
ืขืืฉืื ืืฉืืชื ืืืื ืื ืืช ืืืชื ืืืืืืช ืืืฉืืชืคืืช ืืืืืืืงืืื ืืืฉืืง, ืืืื ื ืืงืืจ ืืื ืืืืฉื ืืช ืืืชื ืืืืืืช ืืืื ื-JavaScript. ื ืืชื ืืืื ืืชื ืืืืช ืืืืืืงื ืืจื ืืชืืืืช ืฉืืฆืืจืคืืช ืื ืืืืืงืืช ืื ืืืืืืืงืืื ืืืืืื, ืืืฉ ืืื ืืืฉืืช ืืืืืจื.
**ืืืืฉื ืืืืกืกืช ืืืืืงืืช**
ืืืืงืืช ืืืจืืฉื ืืกืคืงืืช ืืืฉื ืืืื ืืช ืืืจืืื ืืืืืืงืืื ืืืฉืืง. ืืื ืืขืจืืช ืืกืืืื ืืืงืกืื ืืืืช ืฉืคืืชืื ืขื ืืื ืงืจื ืืื ืืืก, ืืชืืืืื ืขื ืืืืงืช ืืกืืก ืฉืืืืื ืชืืื ืืช ืืฉืืชืคืืช, ืืื ืืืฆืจืื ืืืืงืืช ืืืืืืืช ืฉืืืจืฉืืช ืืช ืืืกืืืืช ืืืื ืชืื ืืืกืคืช ืืืืืืช ืกืคืฆืืคืืืช.
โ
ืืจืืฉื ืืื ืืืฉื ืืฉืื ืืืื ื. ืืืื ืขืื ื-[ืืืืจ ืฉื MDN ืขื ืืจืืฉื](https://developer.mozilla.org/docs/Web/JavaScript/Inheritance_and_the_prototype_chain).
ืื ื ืืชื ืืืืฉื ืืืืืืงืืื ืืืฉืืง ืืืืฆืขืืช ืืืืงืืช ืืืจืืฉื:
```javascript
// Step 1: Create the base GameObject class
class GameObject {
constructor(x, y, type) {
this.x = x;
this.y = y;
this.type = type;
}
}
```
**ืืืื ื ืคืจืง ืืช ืื ืฉืื ืืืจ ืฉืื:**
- ืื ืื ื ืืืฆืจืื ืชืื ืืช ืืกืืกืืช ืฉืื ืืืืืืงื ืืืฉืืง ืืืื ืืืฉืชืืฉ ืื
- ืืื ืื ืฉืืืจ ืืืื ื ืืฆื ืืืืืืืงื (`x`, `y`) ืืื ืกืืื
- ืื ืืืคื ืืืกืืก ืฉืขืืื ืื ืืืืืืืงืืื ืืืฉืืง ืืื ื
```javascript
// Step 2: Add movement capability through inheritance
class Movable extends GameObject {
constructor(x, y, type) {
super(x, y, type); // Call parent constructor
}
// Add the ability to move to a new position
moveTo(x, y) {
this.x = x;
this.y = y;
}
}
```
**ืืืงืจื ืื, ืขืฉืื ื:**
- **ืืจืืื ื** ืืช ืืืืงืช GameObject ืืื ืืืืกืืฃ ืคืื ืงืฆืืื ืืืืช ืชื ืืขื
- **ืงืจืื ื** ืืื ืื ืืืืจื ืืืืฆืขืืช `super()` ืืื ืืืชืื ืชืืื ืืช ืฉืืืจืฉื
- **ืืืกืคื ื** ืืชืืืช `moveTo()` ืฉืืขืืื ืช ืืช ืืืงืื ืืืืืืืงื
```javascript
// Step 3: Create specific game object types
class Hero extends Movable {
constructor(x, y) {
super(x, y, 'Hero'); // Set type automatically
}
}
class Tree extends GameObject {
constructor(x, y) {
super(x, y, 'Tree'); // Trees don't need movement
}
}
// Step 4: Use your game objects
const hero = new Hero(0, 0);
hero.moveTo(5, 5); // Hero can move!
const tree = new Tree(10, 15);
// tree.moveTo() would cause an error - trees can't move
```
**ืืื ืช ืืืืฉืืื ืืืื:**
- **ืืืฆืจืช** ืกืืื ืืืืืืงืืื ืืืืืืื ืฉืืืจืฉืื ืืชื ืืืืืืช ืืชืืืืืช
- **ืืืืืื** ืืื ืืจืืฉื ืืืคืฉืจืช ืืืืืช ืชืืื ืืช ืกืืงืืืืืช
- **ืืจืื** ืฉืืืืืจืื ืืืืืื ืื ืืข ืืขืื ืขืฆืื ื ืฉืืจืื ืืืงืื
- **ืืืืืฉื** ืืื ืืืจืจืืืืช ืืืืืงืืช ืืื ืขืช ืคืขืืืืช ืื ืืชืืืืืช
โ
ืืงืืืฉื ืืื ืืงืืช ืืืืืื ืืืืฉ ืืืืืจ ืคืืง-ืื (ืืื ืงื, ืคืื ืงื ืื ืืืื ืงื, ืืืฉื) ืืืื ืืื ืืื ื ืืชื ื-JavaScript.
**ืืืืฉื ืืืจืืืชืืช**
ืืจืืื ืขืืงืืช ืืืจ ืคืืืืกืืคืืืช ืขืืฆืื ืืืืืืจืืช, ืืืืื ืืืืคื ืฉืื ืืื ืืกืื ืืขืฆืืื ืืืืืืช ืขื ืจืืืืื ื ืืชื ืื ืืืืืคื. ืืืงืื ืืจืฉืช ืืืืืงืช ืืืจื, ืืฉืืืื ืืชื ืืืืืืช ืกืคืฆืืคืืืช ืืื ืืืฆืืจ ืืืืืืงืืื ืขื ืืืืืง ืืคืื ืงืฆืืื ืืืืช ืฉืื ืฆืจืืืื. ืืืฉื ืื ืืฆืืขื ืืืืฉืืช ืืื ืืืืืืช ืืืจืจืืืืช ื ืืงืฉืืช.
```javascript
// Step 1: Create base behavior objects
const gameObject = {
x: 0,
y: 0,
type: ''
};
const movable = {
moveTo(x, y) {
this.x = x;
this.y = y;
}
};
```
**ืื ื ืื ืฉืืงืื ืืื ืขืืฉื:**
- **ืืืืืจ** ืืืืืืงื ืืกืืกื `gameObject` ืขื ืชืืื ืืช ืืืงืื ืืกืื
- **ืืืฆืจ** ืืืืืืงื ืืชื ืืืืช ื ืคืจื `movable` ืขื ืคืื ืงืฆืืื ืืืืช ืชื ืืขื
- **ืืคืจืื** ืืื ื ืชืื ื ืืืงืื ืืืืืืงืช ืชื ืืขื
```javascript
// Step 2: Compose objects by combining behaviors
const movableObject = { ...gameObject, ...movable };
// Step 3: Create factory functions for different object types
function createHero(x, y) {
return {
...movableObject,
x,
y,
type: 'Hero'
};
}
function createStatic(x, y, type) {
return {
...gameObject,
x,
y,
type
};
}
```
**ืืืงืจื ืื, ืขืฉืื ื:**
- **ืฉืืืื ื** ืชืืื ืืช ืืืืืืงื ืืกืืกืืืช ืขื ืืชื ืืืืช ืชื ืืขื ืืืืฆืขืืช ืชืืืืจ spread
- **ืืฆืจื ื** ืคืื ืงืฆืืืช ืืคืขื ืฉืืืืืจืืช ืืืืืืงืืื ืืืชืืืื ืืืฉืืช
- **ืืคืฉืจื ื** ืืฆืืจืช ืืืืืืงืืื ืืืืฉื ืืื ืืืจืจืืืืช ืืืืงืชืืืช ื ืืงืฉืืช
- **ืืคืฉืจื ื** ืืืืืืืงืืื ืืงืื ืืืืืง ืืช ืืืชื ืืืืืืช ืฉืื ืฆืจืืืื
```javascript
// Step 4: Create and use your composed objects
const hero = createHero(10, 10);
hero.moveTo(5, 5); // Works perfectly!
const tree = createStatic(0, 0, 'Tree');
// tree.moveTo() is undefined - no movement behavior was composed
```
**ื ืงืืืืช ืืคืชื ืืืืืจ:**
- **ืืจืืืืื** ืืืืืืงืืื ืขื ืืื ืฉืืืื ืืชื ืืืืืืช ืืืงืื ืืจืฉืช ืืืชื
- **ืืกืคืงืื** ืืืชืจ ืืืืฉืืช ืืืฉืจ ืืืจืจืืืืช ืืจืืฉื ื ืืงืฉืืช
- **ืืืคืฉืจืื** ืืืืืืืงืืื ืืงืื ืืืืืง ืืช ืืชืืื ืืช ืฉืื ืฆืจืืืื
- **ืืฉืชืืฉืื** ืืชืืืืจ spread ืืืืจื ื ืฉื JavaScript ืืฉืืืื ืืืืืืงืืื ื ืงื
```
**Which Pattern Should You Choose?**
**Which Pattern Should You Choose?**
```mermaid
quadrantChart
title Code Organization Patterns
x-axis Simple --> Complex
y-axis Rigid --> Flexible
quadrant-1 Advanced Composition
quadrant-2 Hybrid Approaches
quadrant-3 Basic Inheritance
quadrant-4 Modern Composition
Class Inheritance: [0.3, 0.2]
Interface Implementation: [0.6, 0.4]
Mixin Patterns: [0.7, 0.7]
Pure Composition: [0.8, 0.9]
Factory Functions: [0.5, 0.8]
Prototype Chain: [0.4, 0.3]
```
> ๐ก **ืืืค ืืงืฆืืขื**: ืืฉื ื ืืืคืืกืื ืืฉ ืืงืื ืืคืืชืื JavaScript ืืืืจื ื. ืืืืงืืช ืขืืืืืช ืืืื ืขืืืจ ืืืจืจืืืืช ืืืืืจืืช ืืืืจืืจ, ืืขืื ืฉืืจืืื ืืฆืืืื ืช ืืฉืฆืจืื ืืืืฉืืช ืืจืืืช.
>
**ืืชื ืืืฉืชืืฉ ืืื ืืืฉื:**
- **ืืืจื** ืืืจืืฉื ืืฉืืฉ ืืื ืงืฉืจื "ืืื-ืกืื-ืฉื" ืืจืืจืื (ืืืืืจ *ืืื-ืกืื-ืฉื* ืืืืืืงื ื ืืื)
- **ืืืจื** ืืืจืืื ืืฉืฆืจืื ืงืฉืจื "ืืฉ-ืื" (ืืืืืืจ *ืืฉ* ืืืืืืช ืชื ืืขื)
- **ืฉืงืื** ืืช ืืขืืคืืช ืืฆืืืช ืืืจืืฉืืช ืืคืจืืืงื
- **ืืืจื** ืฉื ืืชื ืืฉืื ืืช ืฉืชื ืืืืฉืืช ืืืืชื ืืืฉืื
### ๐ **ืืืืงื ืคืืืืืืช**
**ืืื ืช ืืจืืื ืืืืืืงืืื**: ืืคื ื ืืืขืืจ ืืืคืืกื ืชืงืฉืืจืช, ืืืื ืฉืืชื ืืืืืื:
- โ
ืืืกืืืจ ืืช ืืืืื ืืื ืืจืืฉื ืืืจืืื
- โ
ืืืืืช ืืชื ืืืฉืชืืฉ ืืืืืงืืช ืืขืืืช ืคืื ืงืฆืืืช ืืคืขื
- โ
ืืืืื ืืื ืืืืช ืืืคืชื `super()` ืคืืขืืช ืืืจืืฉื
- โ
ืืืืืช ืืช ืืืชืจืื ืืช ืฉื ืื ืืืฉื ืืคืืชืื ืืฉืืงืื
**ืืืื ืขืฆืื ืืืืจ**: ืืื ืืืืชื ืืืฆืจืื ืืืื ืืขืืคืฃ ืฉืืืื ืื ืื ืืข ืืื ืืขืืฃ?
- **ืืืฉื ืฉื ืืจืืฉื**: `class FlyingEnemy extends Movable`
- **ืืืฉื ืฉื ืืจืืื**: `{ ...movable, ...flyable, ...gameObject }`
**ืืืืืจ ืืขืืื ืืืืืชื**: ืืคืืกืื ืืื ืืืคืืขืื ืืื ืืงืื:
- **ืจืืืื React**: Props (ืืจืืื) ืืขืืืช ืืจืืฉื ืืืืงืชืืช
- **ืื ืืขื ืืฉืืง**: ืืขืจืืืช ืจืืื-ืืฉืืช ืืฉืชืืฉืืช ืืืจืืื
- **ืืคืืืงืฆืืืช ืืืืืื**: ืืกืืจืืช UI ืืฉืชืืฉืืช ืืขืืชืื ืงืจืืืืช ืืืืจืจืืืืช ืืจืืฉื
## ืืคืืกื ืชืงืฉืืจืช: ืืขืจืืช Pub/Sub
ืืฉืืืืฉืืืื ืืืืื ืืืืจืืืืชื, ื ืืืื ืืชืงืฉืืจืช ืืื ืจืืืืื ืืืคื ืืืชืืจ. ืืคืืก publish-subscribe (pub/sub) ืคืืชืจ ืืช ืืืขืื ืืื ืืืืฆืขืืช ืขืงืจืื ืืช ืืืืื ืืฉืืืืจ ืจืืื โ ืืฉืืจ ืืื ืืืื ืืืืืข ืืืกืคืจ ืืงืืืื ืืืื ืืืขืช ืื ืืืืื.
ืืฉืื ืื ืงืืจื ืืฉืืืืืจ ื ืคืืข: ืื ืืืืื ืืชืขืืื, ืืคืงืืื ืงืืืืื ืืืคืขืืื, ืืฉืื ืืืืชื ืืืคืืข. ืืืงืื ืืงืฉืจ ืืช ืืืืืืงื ืืืืืืจ ืืฉืืจืืช ืืืขืจืืืช ืืื, pub/sub ืืืคืฉืจ ืืืืืืจ ืืฉืืจ ืืืืขืช "ื ืืจื ื ืืง". ืื ืืขืจืืช ืฉืฆืจืืื ืืืืื ืืืืื ืืืืจืฉื ืืกืื ืืืืืขื ืืื ืืืืืื ืืืชืื.
โ
**Pub/Sub** ืืืืฆื 'publish-subscribe'
```mermaid
flowchart TD
A[Hero Takes Damage] --> B[Publish: HERO_DAMAGED]
B --> C[Event System]
C --> D[Health Bar Subscriber]
C --> E[Sound System Subscriber]
C --> F[Visual Effects Subscriber]
C --> G[Achievement System Subscriber]
D --> H[Update Health Display]
E --> I[Play Damage Sound]
F --> J[Show Red Flash]
G --> K[Check Survival Achievements]
style A fill:#ffebee
style B fill:#e1f5fe
style C fill:#e8f5e8
style H fill:#fff3e0
style I fill:#fff3e0
style J fill:#fff3e0
style K fill:#fff3e0
```
### ืืื ืช ืืจืืืืงืืืจืช Pub/Sub
ืืคืืก pub/sub ืฉืืืจ ืขื ืืืงืื ืฉืื ืื ืืืืฉืื ืฉืืื ืื ืืชืงืื ืื ืืื, ืืืืืจ ืื ืืืืืื ืืขืืื ืืื ืืืื ืืืืืช ืชืืืืื ืืฉืืจืืช ืื ืืื. ืืคืจืื ืื ืืืคืืช ืืช ืืงืื ืฉืืื ืืืืชืจ ื ืืชื ืืชืืืืงื, ืืืืืงื ืืืฉืื ืืืื.
**ืืฉืืงื ืื ืืืจืืืืื ื-pub/sub:**
- **ืืืืขืืช** โ ืชืืืืืช ืืงืกื ืคืฉืืืืช ืืื `'PLAYER_SCORED'` ืฉืืชืืจืืช ืื ืงืจื (ืืชืืกืคืช ืืืืข ื ืืกืฃ)
- **ืืฉืืจืื** โ ืืืืืืืงืืื ืฉืฆืืขืงืื "ืงืจื ืืฉืื!" ืืื ืื ืฉืืืืื
- **ืื ืืืื** โ ืืืืืืืงืืื ืฉืืืืจืื "ืืืคืช ืื ืืืืืจืืข ืืื" ืืืืืืื ืืฉืืื ืงืืจื
- **ืืขืจืืช ืืืจืืขืื** โ ืืืชืืื ืฉืืืืื ืฉืืืืืขืืช ืืืืขืืช ืืืืืื ืื ืื ืืื ืื
### ืื ืืืช ืืขืจืืช ืืืจืืขืื
ืืืื ื ืืฆืืจ ืืขืจืืช ืืืจืืขืื ืคืฉืืื ืื ืืืงื ืฉืืืืืื ืืช ืืืืฉืืื ืืืื:
```javascript
// Step 1: Create the EventEmitter class
class EventEmitter {
constructor() {
this.listeners = {}; // Store all event listeners
}
// Register a listener for a specific message type
on(message, listener) {
if (!this.listeners[message]) {
this.listeners[message] = [];
}
this.listeners[message].push(listener);
}
// Send a message to all registered listeners
emit(message, payload = null) {
if (this.listeners[message]) {
this.listeners[message].forEach(listener => {
listener(message, payload);
});
}
}
}
```
**ืคืืจืืง ืื ืฉืงืืจื ืืื:**
- **ืืืฆืจ** ืืขืจืืช ื ืืืื ืืืจืืขืื ืืจืืืืช ืืืืฆืขืืช ืืืืงื ืคืฉืืื
- **ืฉืืืจ** ืืืืื ืื ืืืืืืืงื ืฉืืืืจืื ืืคื ืกืื ืืืืขื
- **ืจืืฉื** ืืืืื ืื ืืืฉืื ืืืืฆืขืืช ืืชืืืช `on()`
- **ืืฉืืจ** ืืืืขืืช ืืื ืืืืืื ืื ืืืชืขื ืืื ืื ืืืืฆืขืืช `emit()`
- **ืชืืื** ืืืืขื ื ื ืชืื ืื ืืืคืฆืืื ืืืื ืืืขืืจืช ืืืืข ืจืืืื ืื
### ืืืืืจ ืืื ืืื: ืืืืื ืืขืฉืืช
ืืื, ืืืื ื ืจืื ืืช ืื ืืคืขืืื! ื ืื ื ืืขืจืืช ืชื ืืขื ืคืฉืืื ืฉืืจืื ืืื pub/sub ืืืื ืืืืืช ื ืงื ืืืืืฉ:
```javascript
// Step 1: Define your message types
const Messages = {
HERO_MOVE_LEFT: 'HERO_MOVE_LEFT',
HERO_MOVE_RIGHT: 'HERO_MOVE_RIGHT',
ENEMY_SPOTTED: 'ENEMY_SPOTTED'
};
// Step 2: Create your event system and game objects
const eventEmitter = new EventEmitter();
const hero = createHero(0, 0);
```
**ืื ื ืื ืฉืืงืื ืืื ืขืืฉื:**
- **ืืืืืจ** ืืืืืืงื ืงืืืขืื ืืื ืืื ืืข ืฉืืืืืช ืืฉืืืช ืืืืขืืช
- **ืืืฆืจ** ืืืคืข ืฉื ืืฉืืจ ืืืจืืขืื ืื ืืืื ืื ืืชืงืฉืืจืช
- **ืืืชืื** ืืืืืืงื ืืืืืจ ืืืืงืื ืืืชืืืชื
```javascript
// Step 3: Set up event listeners (subscribers)
eventEmitter.on(Messages.HERO_MOVE_LEFT, () => {
hero.moveTo(hero.x - 5, hero.y);
console.log(`Hero moved to position: ${hero.x}, ${hero.y}`);
});
eventEmitter.on(Messages.HERO_MOVE_RIGHT, () => {
hero.moveTo(hero.x + 5, hero.y);
console.log(`Hero moved to position: ${hero.x}, ${hero.y}`);
});
```
**ืืืงืจื ืื, ืขืฉืื ื:**
- **ืจืฉืื ื** ืืืืื ื ืืืจืืขืื ืฉืืืืืื ืืืืืขืืช ืชื ืืขื
- **ืขืืื ื** ืืช ืืืงืื ืืืืืืจ ืืืชืื ืืืืืื ืืชื ืืขื
- **ืืืกืคื ื** ืจืืฉืื ืืงืื ืกืืื ืืื ืืขืงืื ืืืจ ืฉืื ืืื ืืืงืื ืืืืืืจ
- **ืืคืจืื ื** ืืช ืืืืืงืช ืืชื ืืขื ืืืืคืื ืืงืื
```javascript
// Step 4: Connect keyboard input to events (publishers)
window.addEventListener('keydown', (event) => {
switch(event.key) {
case 'ArrowLeft':
eventEmitter.emit(Messages.HERO_MOVE_LEFT);
break;
case 'ArrowRight':
eventEmitter.emit(Messages.HERO_MOVE_RIGHT);
break;
}
});
```
**ืืื ืช ืืืืฉืืื ืืืื:**
- **ืืืืจ** ืงืื ืืงืืืช ืืืืจืืขื ืืฉืืง ืืืื ืืืฆืืจ ืชืืืช ืืืงื
- **ืืืคืฉืจ** ืืืขืจืืช ืืงืื ืืชืงืฉืจ ืขื ืืืืืืงืืื ืืืฉืืง ืืขืงืืคืื
- **ืืืคืฉืจ** ืืืขืจืืืช ืจืืืช ืืืืื ืืืืชื ืืืจืืขื ืืงืืืช
- **ืืงืื** ืขื ืฉืื ืื ืืงืฆืืืช ืืงืฉืื ืื ืืืกืคืช ืฉืืืืช ืงืื ืืืฉืืช
```mermaid
sequenceDiagram
participant User
participant Keyboard
participant EventEmitter
participant Hero
participant SoundSystem
participant Camera
User->>Keyboard: Presses ArrowLeft
Keyboard->>EventEmitter: emit('HERO_MOVE_LEFT')
EventEmitter->>Hero: Move left 5 pixels
EventEmitter->>SoundSystem: Play footstep sound
EventEmitter->>Camera: Follow hero
Hero->>Hero: Update position
SoundSystem->>SoundSystem: Play audio
Camera->>Camera: Adjust viewport
```
> ๐ก **ืืืค ืืงืฆืืขื**: ืืืืคื ืฉื ืืืคืืก ืืื ืืื ืืืืืฉืืช! ืชืืืื ืืืืกืืฃ ืืงืืืช ืืคืงืืื ืงืืืืื, ืจืขืืืืช ืืกื ืื ืืคืงืืื ืืืงืืงืืื ืคืฉืื ืขื ืืื ืืืกืคืช ืืืืื ื ืืืจืืขืื ื ืืกืคืื โ ืืื ืฆืืจื ืืฉื ืืช ืืช ืงืื ืืงืื ืื ืืชื ืืขื ืืงืืื.
>
**ืื ื ืืื ืชืืืื ืืช ืืืืฉื ืืื:**
- ืืืกืคืช ืชืืื ืืช ืืืฉืืช ืืืคืืช ืืงืื ืืืื โ ืคืฉืื ืืงืฉืืื ืืืืจืืขืื ืฉืืขื ืืื ืื ืืชืื
- ืืืจืื ืจืืื ืืืืืื ืืืืื ืืืืชื ืืืจืืข ืืืื ืืืคืจืืข ืื ืืื
- ืืืืงืืช ืืืคืืืช ืืคืฉืืืืช ืืืจืื ืื ืื ืืืง ืขืืื ืืืืคื ืขืฆืืื
- ืืฉืืฉืื ื ืฉืืจ, ืืชื ืืืืขืื ืืืืืง ืืืคื ืืืคืฉ
### ืืื Pub/Sub ืืชืืืื ืืืื ืขื ืืืืื
ืืคืืก pub/sub ืฉืืืจ ืขื ืคืฉืืืช ืืฉืืืืฉืืืื ืืืืื ืืืืจืืืืชื. ืืื ืื ืืืืืจ ืื ืืืื ืขืฉืจืืช ืืืืืื, ืขืืืื ื UI ืืื ืืืื ืื ืืขืจืืืช ืงืื, ืืืคืืก ืืชืืืื ืขื ืืืืืช ืืืงืฃ ืืืื ืืฉื ืืช ืืช ืืืจืืืืงืืืจื. ืชืืื ืืช ืืืฉืืช ืืฉืชืืืืช ืืืขืจืืช ืืืืจืืขืื ืืงืืืืช ืืืื ืืืฉืคืืข ืขื ืืคืื ืงืฆืืื ืืืืช ืืงืืืืช.
> โ ๏ธ **ืืขืืช ื ืคืืฆื**: ืื ืชืืฆืจื ืืืชืจ ืืื ืกืืื ืืืืขืืช ืกืคืฆืืคืืื ืืืงืื ืืื. ืืชืืืื ืขื ืงืืืืจืืืช ืจืืืืช ืืฉืคืจื ืืืชื ืืื ืฉืฆืจืื ืืืฉืืง ืฉืืื ืืชืืืจืื.
>
**ืื ืืืืช ืืืืืฆืืช ืืขืงืื ืืืจืืื:**
- **ืืงืืฆืื** ืืืืขืืช ืงืฉืืจืืช ืืงืืืืจืืืช ืืืืืืช
- **ืืฉืชืืฉืื** ืืฉืืืช ืชืืืืจืืื ืฉืืืืืจืื ืื ืงืจื
- **ืฉืืืจืื** ืขื ืืืขื ื ืืืืขืืช ืคืฉืืืื ืืืืืงืืื
- **ืืชืขืืื** ืืช ืกืืื ืืืืืขืืช ืืฉืืชืืฃ ืคืขืืื ืืฆืืืช
### ๐ **ืืืืงื ืคืืืืืืช**
**ืืื ืช ืืจืืืืงืืืจื ืืื ืขืช ืืืจืืขืื**: ืืืื ืฉืืชื ืืืื ืื ืืช ืืืขืจืืช ืืืืื:
- โ
ืืื ืืคืืก pub/sub ืืื ืข ืชืืืช ืืืงื ืืื ืจืืืืื?
- โ
ืืื ืงื ืืืชืจ ืืืืกืืฃ ืชืืื ืืช ืืืฉืืช ืขื ืืจืืืืงืืืจื ืืื ืขืช ืืืจืืขืื?
- โ
ืื ืชืคืงืืื ืฉื EventEmitter ืืืจืืืช ืืชืงืฉืืจืช?
- โ
ืืื ืงืืืขื ืืืืขืืช ืืื ืขืื ืฉืืืืืช ืืืฉืคืจืื ืืช ืืชืืืืงื?
**ืืชืืจ ืขืืฆืื**: ืืื ืืืืชื ืืชืืืืืื ืขื ืชืจืืืฉื ืืืฉืืง ืืืื ืืืืฆืขืืช pub/sub?
1. **ืืืื ืืช**: ืขืืืื ื ืืงืื, ืืคืขืืช ืฆืืื, ืืฆืืจืช ืืืืืง, ืืกืจื ืืืืกื
2. **ืฉืื ืืืฉืื**: ืขืฆืืจืช ืืืืืงื, ืืฆืืช UI, ืฉืืืจืช ืืชืงืืืืช, ืืขืื ืช ืืฉืื ืืื
3. **ืืืืืง ื ืืกืฃ**: ืฉืืคืืจ ืืืืืืช, ืขืืืื UI, ืืคืขืืช ืืคืงื, ืืชืืืช ืืืืืจ
**ืืืืืจ ืืงืฆืืขื**: ืืคืืก ืื ืืืคืืข ื:
- **ืืกืืจืืช ืคืจืื ืืื ื**: ืืขืจืืืช ืืืจืืขืื ืฉื React/Vue
- **ืฉืืจืืชื Backend**: ืชืงืฉืืจืช ืืืงืจื-ืฉืืจืืชืื
- **ืื ืืขื ืืฉืืง**: ืืขืจืืช ืืืืจืืขืื ืฉื Unity
- **ืคืืชืื ืืืืืื**: ืืขืจืืืช ืืชืจืืืช ืฉื iOS/Android
---
## ืืชืืจ ืกืืื GitHub Copilot ๐
ืืฉืชืืฉื ืืืฆื ืกืืื ืืื ืืืฉืืื ืืช ืืืชืืจ ืืื:
**ืชืืืืจ:** ืฆืจื ืืขืจืืช ืืืืืืงืืื ืืืฉืืง ืคืฉืื ืืืืฆืขืืช ืื ืืจืืฉื ืืื ืืคืืก pub/sub. ืชืืืฉืื ืืฉืืง ืืกืืกื ืฉืื ืืืืืืงืืื ืฉืื ืื ืืืืืื ืืชืงืฉืจ ืืจื ืืืจืืขืื ืืืื ืืืขืช ืืฉืืจืืช ืื ืขื ืื.
**ืื ืืื:** ืฆืจื ืืขืจืืช ืืฉืืง ื-JavaScript ืขื ืืืจืืฉืืช ืืืืืช: 1) ืฆืจื ืืืืงืช ืืกืืก GameObject ืขื ืงืืืืจืืื ืืืช x, y ืืชืืื ืช ืกืื. 2) ืฆืจื ืืืืงืช Hero ืฉืืจืืืื ืืช GameObject ืืืืืื ืื ืืข. 3) ืฆืจื ืืืืงืช Enemy ืฉืืจืืืื ืืช GameObject ืืืืืื ืืจืืืฃ ืืืจื ืืืืืืจ. 4) ืืืฉืื ืืืืงืช EventEmitter ืืืคืืก pub/sub. 5) ืืืืืจื ืืืืื ื ืืืจืืขืื ืื ืฉืืืฉืจ ืืืืืืจ ื ืข, ืืืืืื ืงืจืืืื ืืงืืื ืืืจืืข 'HERO_MOV
ืฉืงืื ืืืฆื ืืคืืก pub-sub ืืืื ืืฉืคืจ ืืช ืืจืืืืงืืืจืช ืืืฉืืง. ืืื ืืืื ืจืืืืื ืฆืจืืืื ืืฉืืจ ืืืจืืขืื ืืืืฆื ืืืขืจืืช ืฆืจืืื ืืืืื. ืขืฆื ืจืขืืื ืืืฉืืง ืืืคื ืืช ืืคืืกื ืืชืงืฉืืจืช ืืื ืจืืืืื.
## ืฉืืืื ืืืืจ ืืืจืฆืื
[ืฉืืืื ืืืืจ ืืืจืฆืื](https://ff-quizzes.netlify.app/web/quiz/30)
## ืกืงืืจื ืืืืืื ืขืฆืื
ืืื ืขืื ืขื Pub/Sub ืขื ืืื [ืงืจืืื ืื ืืฉื](https://docs.microsoft.com/azure/architecture/patterns/publisher-subscriber/?WT.mc_id=academic-77807-sagibbon).
### โก **ืื ื ืืชื ืืขืฉืืช ืืืืฉ ืืืงืืช ืืงืจืืืืช**
- [ ] ืคืชื ืื ืืฉืืง HTML5 ืืื ืืืื ืืืืืง ืืช ืืงืื ืฉืื ืืืืฆืขืืช DevTools
- [ ] ืฆืืจ ืืืื ื HTML5 Canvas ืคืฉืื ืืฆืืืจ ืฆืืจื ืืกืืกืืช
- [ ] ื ืกื ืืืฉืชืืฉ ื-`setInterval` ืืื ืืืฆืืจ ืืืืืช ืื ืืืฆืื ืคืฉืืื
- [ ] ืืงืืจ ืืช ืชืืขืื Canvas API ืื ืกื ืฉืืืช ืฆืืืจ
### ๐ฏ **ืื ื ืืชื ืืืฉืื ืืฉืขื ืืงืจืืื**
- [ ] ืืฉืื ืืช ืฉืืืื ืืืืจ ืืฉืืขืืจ ืืืืื ืืช ืืืฉืื ืคืืชืื ืืืฉืืงืื
- [ ] ืืงื ืืช ืืื ื ืคืจืืืงื ืืืฉืืง ืฉืื ืขื ืงืืฆื HTML, CSS ื-JavaScript
- [ ] ืฆืืจ ืืืืืช ืืฉืืง ืืกืืกืืช ืฉืืชืขืืื ืช ืืืฆืืืจืช ืืืืคื ืจืฆืืฃ
- [ ] ืฆืืืจ ืืช ืืืืืืืช ืืจืืฉืื ืืช ืฉืื ืขื ืืงื ืืก
- [ ] ืืืฉื ืืขืื ืช ื ืืกืื ืืกืืกืืช ืืชืืื ืืช ืืงืืืืช
### ๐
**ืืฆืืจืช ืืฉืืง ืืืืจื ืฉืืืข**
- [ ] ืืฉืื ืืช ืืฉืืง ืืืื ืืืื ืขื ืื ืืชืืื ืืช ืืืชืืื ื ืืช
- [ ] ืืืกืฃ ืืจืคืืงื ืืืืืฉืช, ืืคืงืืื ืงืืืืื ืืื ืืืฆืืืช ืืืงืืช
- [ ] ืืืฉื ืืฆืื ืืฉืืง (ืืกื ืืชืืื, ืืฉืืง, ืกืืื ืืฉืืง)
- [ ] ืฆืืจ ืืขืจืืช ื ืืงืื ืืืขืงื ืืืจ ืืชืงืืืืช ืืฉืืงื
- [ ] ืืคืื ืืช ืืืฉืืง ืฉืื ืืจืกืคืื ืกืืื ืื ืืืฉ ืืื ืืืืฉืืจืื
- [ ] ืฉืชืฃ ืืช ืืืฉืืง ืฉืื ืืื ืืืื ืืืกืืฃ ืืฉืื ืืฉืืงื ืื
### ๐ **ืคืืชืื ืืฉืืงืื ืืืืจื ืืืืฉ**
- [ ] ืื ื ืืกืคืจ ืืฉืืงืื ืฉืืืงืจืื ื'ืื ืจืื ืืืื ืืงืืช ืฉืื ืื
- [ ] ืืื ืืกืืจืช ืคืืชืื ืืฉืืงืื ืืื Phaser ืื Three.js
- [ ] ืชืจืื ืืคืจืืืงืืื ืคืชืืืื ืฉื ืคืืชืื ืืฉืืงืื
- [ ] ืฉืืื ืืืคืืกื ืชืื ืืช ืืฉืืงืื ืืชืงืืืื ืืืืคืืืืืืฆืื
- [ ] ืฆืืจ ืชืืง ืขืืืืืช ืฉืืฆืื ืืช ืืืฉืืจื ืคืืชืื ืืืฉืืงืื ืฉืื
- [ ] ืืื ืื ืืืจ ืืืืจืื ืฉืืชืขื ืืื ืื ืืคืืชืื ืืฉืืงืื ืืืืื ืืื ืืจืืงืืืืืช
## ๐ฏ ืฆืืจ ืืืื ืืฉืืืื ืืคืืชืื ืืฉืืงืื
```mermaid
timeline
title Game Architecture Learning Progression
section Object Patterns (20 minutes)
Code Organization: Class inheritance
: Composition patterns
: Factory functions
: Behavior mixing
section Communication Systems (25 minutes)
Event Architecture: Pub/Sub implementation
: Message design
: Event emitters
: Loose coupling
section Game Object Design (30 minutes)
Entity Systems: Property management
: Behavior composition
: State handling
: Lifecycle management
section Architecture Patterns (35 minutes)
System Design: Component systems
: Observer pattern
: Command pattern
: State machines
section Advanced Concepts (45 minutes)
Scalable Architecture: Performance optimization
: Memory management
: Modular design
: Testing strategies
section Game Engine Concepts (1 week)
Professional Development: Scene graphs
: Asset management
: Rendering pipelines
: Physics integration
section Framework Mastery (2 weeks)
Modern Game Development: React game patterns
: Canvas optimization
: WebGL basics
: PWA games
section Industry Practices (1 month)
Professional Skills: Team collaboration
: Code reviews
: Game design patterns
: Performance profiling
```
### ๐ ๏ธ ืกืืืื ืขืจืืช ืืืืื ืืืจืืืืงืืืจืช ืืฉืืงืื ืฉืื
ืืืืจ ืืฉืืืช ืืฉืืขืืจ, ืืฉ ืื:
- **ืฉืืืื ืืืคืืกื ืขืืฆืื**: ืืื ื ืฉื ืืชืจืื ืืช ืืืกืจืื ืืช ืฉื ืืจืืฉื ืืื ืงืืืคืืืืฆืื
- **ืืจืืืืงืืืจื ืืืืกืกืช ืืืจืืขืื**: ืืืฉืื pub/sub ืืชืงืฉืืจืช ืืงื ื ืืืื ืืืื
- **ืขืืฆืื ืืื ืื ืขืฆืืื**: ืืืจืจืืืืช ืืืืงืืช ืืงืืืคืืืืฆืืืช ืืชื ืืืืช
- **JavaScript ืืืืจื ื**: ืคืื ืงืฆืืืช ืืคืขื, ืชืืืืจ spread ืืืคืืกื ES6+
- **ืืจืืืืงืืืจื ืืงื ื ืืืื ืืืื**: ืขืงืจืื ืืช ืขืืฆืื ืืืืืืจืืื ืืืื ื ืจืืคืฃ
- **ืืกืืืืช ืคืืชืื ืืฉืืงืื**: ืืขืจืืืช ืืฉืืืืช ืืืคืืกื ืจืืืืื
- **ืืคืืกืื ืืงืฆืืขืืื**: ืืืฉืืช ืกืื ืืจืืืืช ืืชืขืฉืืื ืืืจืืื ืงืื
**ืืืฉืืืื ืืขืืื ืืืืืชื**: ืืคืืกืื ืืื ืืืืฉืืื ืืฉืืจืืช ื:
- **ืืกืืจืืช ืคืจืื ืืื ื**: ืืจืืืืงืืืจืช ืจืืืืื ืื ืืืื ืืฆื ื-React/Vue
- **ืฉืืจืืชื Backend**: ืชืงืฉืืจืช ืืืงืจื-ืฉืืจืืชืื ืืืขืจืืืช ืืืืกืกืืช ืืืจืืขืื
- **ืคืืชืื ืืืืืื**: ืืจืืืืงืืืจืช ืืคืืืงืฆืืืช iOS/Android ืืืขืจืืืช ืืชืจืืืช
- **ืื ืืขื ืืฉืืงืื**: ืคืืชืื ืืฉืืงืื ืืืืกืกื Unity, Unreal, ื-Web
- **ืชืืื ื ืืจืืื ืืช**: ืชืื ืื ืืขืจืืืช ืืืืืจืืช ืืืงืืจืืช ืืืจืืขืื
- **ืขืืฆืื API**: ืฉืืจืืชื RESTful ืืชืงืฉืืจืช ืืืื ืืืช
**ืืืฉืืจืื ืืงืฆืืขืืื ืฉื ืจืืฉื**: ืขืืฉืื ืืชื ืืืื:
- **ืืขืฆื** ืืจืืืืงืืืจืืช ืชืืื ื ืืงื ื ืืืื ืืืื ืืืืฆืขืืช ืืคืืกืื ืืืืืื
- **ืืืืฉื** ืืขืจืืืช ืืืืกืกืืช ืืืจืืขืื ืฉืืืคืืืช ืืืื ืืจืืงืฆืืืช ืืืจืืืืช
- **ืืืืืจ** ืืกืืจืืืืืช ืืจืืื ืงืื ืืชืืืืืช ืืชืจืืืฉืื ืฉืื ืื
- **ืืคืชืืจ ืืขืืืช** ืืืชืืืง ืืขืจืืืช ืจืืคืคืืช ืืฆืืจื ืืขืืื
- **ืืชืงืฉืจ** ืืืืืืช ืืื ืืืช ืืืืฆืขืืช ืืจืืื ืืืืืื ืกืื ืืจืืืช ืืชืขืฉืืื
**ืืจืื ืืืื**: ืืชื ืืืื ืืืืฉื ืืช ืืืคืืกืื ืืืื ืืืฉืืง ืืืืชื, ืืืงืืจ ื ืืฉืืื ืืชืงืืืื ืืคืืชืื ืืฉืืงืื, ืื ืืืืฉื ืืช ืืืฉืื ืืืจืืืืงืืืจื ืืืื ืืืคืืืงืฆืืืช ืืื!
๐ **ืืืฉื ื ืคืชื**: ืฉืืืช ืืืคืืกื ืืจืืืืงืืืจืช ืชืืื ื ืืกืืกืืื ืฉืื ืืขืื ืืื ืืืฉืืงืื ืคืฉืืืื ืืขื ืืขืจืืืช ืืจืืื ืืืช ืืืจืืืืช!
## ืืฉืืื
[ืขืฆื ืืฉืืง](assignment.md)
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**ืืชื ืืืชืืจ**:
ืืกืื ืื ืชืืจืื ืืืืฆืขืืช ืฉืืจืืช ืชืจืืื AI [Co-op Translator](https://github.com/Azure/co-op-translator). ืืืจืืช ืฉืื ื ืฉืืืคืื ืืืืืง, ืืฉ ืืงืืช ืืืฉืืื ืฉืชืจืืืืื ืืืืืืืืื ืขืฉืืืื ืืืืื ืฉืืืืืช ืื ืื ืืืืงืื. ืืืกืื ืืืงืืจื ืืฉืคืชื ืืืงืืจืืช ืฆืจืื ืืืืืฉื ืืืงืืจ ืกืืืืชื. ืขืืืจ ืืืืข ืงืจืืื, ืืืืืฅ ืืืฉืชืืฉ ืืชืจืืื ืืงืฆืืขื ืื ืืฉื. ืืื ื ื ืืืจืืื ืืื ืืื ืืช ืื ืืคืจืฉื ืืืืช ืฉืืืืืช ืื ืืืขืืช ืืฉืืืืฉ ืืชืจืืื ืื.