UnityBasics

This repository contains the source code for a simple Unity game project focusing on core gameplay mechanics. The project includes systems for enemy AI, player character management, a combat and health system, skill-based abilities, and a tower-building mechanic.

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Key Features

• Enemy AI: Uses NavMeshAgent for basic enemy pathfinding. Enemies pursue the player, with different behaviors for melee (Sword) and ranged (Archer) types.
• Player & Character Management: A character selection screen allows players to choose from different character types, each with unique stats defined by ScriptableObject. The selected character is then spawned in the main game scene.
• Combat System:
  • Health & Resource Management: Both players and enemies have a health system. Defeating enemies rewards players with a "blood" currency, managed by a Singleton pattern.
  • Auto-Targeting: The player character automatically targets the closest enemy, making combat fluid and dynamic.
  • Projectiles: Both players and enemies have projectile-based attacks.
• Skills System: A SkillManager allows for two types of player abilities, activated by hotkeys (Q, E).
  • Area-of-Effect (AoE): The Meteor skill deals damage to all enemies within a specified radius.
  • Targeted: The Plane skill targets and damages a single enemy.
• Tower Defense Elements: Players can spend their "blood" currency to place towers on designated spots. Towers automatically target and attack the closest enemy within their range, adding a strategic layer to the game.
• Game Flow: The project includes a basic game flow with a MainMenu, CharacterSelector, and GameOver screen.

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Code Descriptions

The project is structured with C# scripts, each handling a specific part of the game logic.

Character & Player Scripts

• CharacterData.cs: A ScriptableObject to define player character properties like damage, name, and prefab.
• CharacterSelector.cs: Manages the character selection UI, allowing players to choose a character before starting the game.
• CharacterSpawner.cs: Spawns the character chosen in the character selection scene when the main game starts.
• NavMeshMovement.cs: Controls player movement using a NavMeshAgent. The player moves to a point on the ground clicked by the mouse. It also handles the player's health and triggers the game over state upon death.
• PlayerMovement.cs: An alternative, older movement script that uses transform.position to move the player to a clicked target point.
• CharacterShoot.cs: Manages the player's primary attack, firing a Bullet at the ClosestEnemy at a set fire rate.
• Bullet.cs: The projectile fired by the player. It applies damage to enemies on collision.
• ClosestEnemy.cs: A utility script that finds the closest enemy to a specified transform, used for both player and tower targeting.
• SkillManager.cs: The core of the skill system. It handles skill selection (Q, E), manages cursor changes, and triggers the appropriate skill (Meteor or Plane) when the player clicks.
• Meteor.cs: A skill projectile that deals area damage to all enemies within its radius upon hitting the ground.
• Plane.cs: A skill projectile that flies towards and damages a targeted enemy.

Enemy & Combat Scripts

• EnemyData.cs: A ScriptableObject to define different enemy types with properties like max health, speed, and attack power.
• EnemyHealthBar.cs: Manages an enemy's health, updates its UI health bar, and adds "blood" to the BloodManager when the enemy is defeated.
• EnemyMovement.cs: Implements the AI logic for enemy characters, controlling their movement based on their type (Archer stays at a distance, Sword closes in).
• SpawnEnemy.cs: Manages the spawning of enemies at random, safe distances from the player.
• ArcherShoot.cs: Handles the shooting mechanic for ranged enemies (Archers). It fires an Arrow at the player based on a timer or animation event.
• Arrow.cs: The projectile fired by the Archer enemy. It applies damage to the player on collision.

UI & Management Scripts

• MainMenu.cs: Manages the main menu UI and scene transitions.
• GameOver.cs: Displays the "Game Over" screen, including the total "blood" collected, and allows the player to return to the main menu.
• BloodManager.cs: A Singleton script that acts as a global store for the "blood" currency, providing methods to add and spend it.

Tower Scripts

• TowerTypes.cs: An enum defining different tower types, such as Archer and Gunner.
• TowerData.cs: A ScriptableObject to define the cost, damage, and type of different towers.
• TowerPlacer.cs: The primary script for the tower building mechanic. It handles placing towers on designated spots, checking if the player has enough "blood" to build.
• TowerPopupController.cs: Manages the UI popup that appears when the player attempts to build a tower, displaying its cost and type.
• TowerController.cs: The core of the tower's behavior. It finds the closest enemy within its range and fires projectiles at a set rate.