chapter 7 project

ch07/Assets/Scripts/FPSInput.cs

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+using UnityEngine;
+using System.Collections;
+
+// basic WASD-style movement control
+// commented out line demonstrates that transform.Translate instead of charController.Move doesn't have collision detection
+
+[RequireComponent(typeof(CharacterController))]
+[AddComponentMenu("Control Script/FPS Input")]
+public class FPSInput : MonoBehaviour {
+	public const float baseSpeed = 6.0f;
+
+	public float speed = 6.0f;
+	public float gravity = -9.8f;
+
+	private CharacterController _charController;
+
+	void Awake() {
+		Messenger<float>.AddListener(GameEvent.SPEED_CHANGED, OnSpeedChanged);
+	}
+	void OnDestroy() {
+		Messenger<float>.RemoveListener(GameEvent.SPEED_CHANGED, OnSpeedChanged);
+	}
+
+	void Start() {
+		_charController = GetComponent<CharacterController>();
+	}
+
+	void Update() {
+		//transform.Translate(Input.GetAxis("Horizontal") * speed * Time.deltaTime, 0, Input.GetAxis("Vertical") * speed * Time.deltaTime);
+		float deltaX = Input.GetAxis("Horizontal") * speed;
+		float deltaZ = Input.GetAxis("Vertical") * speed;
+		Vector3 movement = new Vector3(deltaX, 0, deltaZ);
+		movement = Vector3.ClampMagnitude(movement, speed);
+
+		movement.y = gravity;
+
+		movement *= Time.deltaTime;
+		movement = transform.TransformDirection(movement);
+		_charController.Move(movement);
+	}
+
+	private void OnSpeedChanged(float value) {
+		speed = baseSpeed * value;
+	}
+}

ch07/Assets/Scripts/Fireball.cs

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+using UnityEngine;
+using System.Collections;
+
+public class Fireball : MonoBehaviour {
+	public float speed = 10.0f;
+	public int damage = 1;
+
+	void Update() {
+		transform.Translate(0, 0, speed * Time.deltaTime);
+	}
+
+	void OnTriggerEnter(Collider other) {
+		PlayerCharacter player = other.GetComponent<PlayerCharacter>();
+		if (player != null) {
+			player.Hurt(damage);
+		}
+		Destroy(this.gameObject);
+	}
+}

ch07/Assets/Scripts/GameEvent.cs

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+public static class GameEvent {
+	public const string ENEMY_HIT = "ENEMY_HIT";
+	public const string SPEED_CHANGED = "SPEED_CHANGED";
+}