Unity3D-Game4

完成品: Unity3D-Game4

設定:
Paddle
Add -> Cube
Add -> Paddle.cs

Ball
tag: Player
Add -> Sphere Collider/Material/NoEnergyLoss.physicMaterial
Add -> Rigidbody
Mass: 1
Drag: 0
Angular Drag: 0
untick -> Use Gravity
Add -> Ball.cs
Max. Velocity: 20
Min. Velocity:15
Drag -> BallPrefab

Block
Add -> cube
tag: Pickup
tick -> Box Collider/Is Trigger
Add -> Block.cs
Drag -> Block
|
V
Row
Create Empty
Reset
|
V
Blocks
Create Empty
Reset

Cube
Rotation Y: 270
|
V
Levels
Create Empty
Reset
Rotation Y: 90

Main Camera
tag: MainCamera
Rotation X: 90
Add -> BreakoutGame.cs
BallPrefab

程式碼:
Ball.cs

using UnityEngine;
using System.Collections;

public class Ball : MonoBehaviour {

    // 球最大速度
	public float maxVelocity = 20;
	// 球最小速度
    public float minVelocity = 15;

	void Awake () {
        rigidbody.velocity = new Vector3(0, 0, -18);
	}

	void Update () {
        //Make sure we stay between the MAX and MIN speed.
        float totalVelocity = Vector3.Magnitude(rigidbody.velocity);
        if(totalVelocity>maxVelocity){
            float tooHard = totalVelocity / maxVelocity;
            rigidbody.velocity /= tooHard;
        }
        else if (totalVelocity < minVelocity)
        {
            float tooSlowRate = totalVelocity / minVelocity;
            rigidbody.velocity /= tooSlowRate;
        }
		
		// 如球在Z超過-3, 就消失.
        //Is the ball below -3? Then we're game over.
        if(transform.position.z <= -3){ 
			// 載入BreakoutGame 失敗
            BreakoutGame.SP.LostBall();
            Destroy(gameObject);
        }
	}
}

// 作者: http://www.m2h.nl/
// 原檔案: https://www.assetstore.unity3d.com/#/content/116(內附教學文件)

Block.cs

using UnityEngine;
using System.Collections;

public class Block : MonoBehaviour {

	void OnTriggerEnter () {
		// 載入BreakoutGame 球擊中磚塊
        BreakoutGame.SP.HitBlock();
        Destroy(gameObject);
	}
}

// 作者: http://www.m2h.nl/
// 原檔案: https://www.assetstore.unity3d.com/#/content/116(內附教學文件)

BreakoutGame.cs

using UnityEngine;
using System.Collections;

public enum BreakoutGameState { playing, won, lost };

public class BreakoutGame : MonoBehaviour
{
    public static BreakoutGame SP;
	
	// 加入 球物件
    public Transform ballPrefab;
	
	// 磚塊總數量
    private int totalBlocks;
	// 球擊中磚塊分數
    private int blocksHit;
    private BreakoutGameState gameState;


    void Awake()
    {
        SP = this;
        blocksHit = 0;
        gameState = BreakoutGameState.playing;
        totalBlocks = GameObject.FindGameObjectsWithTag("Pickup").Length;
        Time.timeScale = 1.0f;
        SpawnBall();
    }

    void SpawnBall()
    {
        // 球複製位置
		Instantiate(ballPrefab, new Vector3(1.81f, 1.0f , 9.75f), Quaternion.identity);
    }

    void OnGUI(){
    
        GUILayout.Space(10);
        GUILayout.Label("  Hit: " + blocksHit + "/" + totalBlocks);

        if (gameState == BreakoutGameState.lost)
        {
            GUILayout.Label("You Lost!");
            if (GUILayout.Button("Try again"))
            {
                Application.LoadLevel(Application.loadedLevel);
            }
        }
        else if (gameState == BreakoutGameState.won)
        {
            GUILayout.Label("You won!");
            if (GUILayout.Button("Play again"))
            {
                Application.LoadLevel(Application.loadedLevel);
            }
        }
    }
	// 球擊中磚塊設定
    public void HitBlock()
    {
        blocksHit++;
        
        //For fun:
		//Every 10th block will spawn a new ball
		// 每撞10個磚塊就多一個球 
        if (blocksHit%10 == 0)		
        {
            SpawnBall();
        }
       
        if (blocksHit >= totalBlocks)
        {
            WonGame();
        }
    }
	// 勝利
    public void WonGame()
    {
        // 遊戲場景播放--停止
		Time.timeScale = 0.0f; //Pause game
        gameState = BreakoutGameState.won;
    }
	// 失敗
    public void LostBall()
    {
        //  找尋遊戲中 Player總數量
		int ballsLeft = GameObject.FindGameObjectsWithTag("Player").Length;
        if(ballsLeft <= 1){
            //Was the last ball..
            SetGameOver();
        }
    }
	// 失敗設定
    public void SetGameOver()
    {
        // 遊戲場景播放--停止
		Time.timeScale = 0.0f; //Pause game
        gameState = BreakoutGameState.lost;
    }
}

// 作者: http://www.m2h.nl/
// 原檔案: https://www.assetstore.unity3d.com/#/content/116(內附教學文件)

Paddle.cs

using UnityEngine;
using System.Collections;

public class Paddle : MonoBehaviour {

    // 玩家速度設定
	public float moveSpeed = 15;
		
	void Update () {
		// 玩家水平移動
        float moveInput = Input.GetAxis("Horizontal") * Time.deltaTime * moveSpeed;
        transform.position += new Vector3(moveInput, 0, 0);

        // 玩家移動最大範圍
		float max = 14.0f;
        if (transform.position.x <= -max || transform.position.x >= max)
        {
            float xPos = Mathf.Clamp(transform.position.x, -max, max); //Clamp between min -5 and max 5
            transform.position = new Vector3(xPos, transform.position.y, transform.position.z);
        }
	}
	// 玩家碰撞球的反應
    void OnCollisionExit(Collision collisionInfo ) {
        //Add X velocity..otherwise the ball would only go up&down
        Rigidbody rigid = collisionInfo.rigidbody;
        float xDistance = rigid.position.x - transform.position.x;
        rigid.velocity = new Vector3(rigid.velocity.x + xDistance/2, rigid.velocity.y, rigid.velocity.z);
    }
}

// 作者: http://www.m2h.nl/
// 原檔案: https://www.assetstore.unity3d.com/#/content/116(內附教學文件)