Unity教学 项目2 2D闯关游戏

视频教程：

https://www.bilibili.com/video/BV1mjXsYXERe?spm_id_from=333.788.videopod.sections&vd_source=25b783f5f945c4507229e9dec657b5bb

1.基本设置

1.1 素材

创建项目

调整布局

基础设置

导入素材

设置人物图片

“过滤模式”三个选项的区别

1.2 场景、叠层

1.2.1 场景

设置森林背景图片

显示“平铺调色盘”

创建瓦片地图相关的文件夹、文件

绘制地图

1.2.2 叠层

新增三个图层

调色板可增加功能按钮

新建瓦片地图

依次设置排序图层

依次设置图层顺序

修改摄像机背景颜色

1.3 规律瓦片

新建文件夹、动画瓦片、规律瓦片

设置规律瓦片规则

设置动画瓦片规则

最终效果

2.玩家

2.1 碰撞体、物理组件

地面

玩家

2.2 输入系统

设置新的输入系统

安装“Input System”包

创建输入系统脚本

2.3 移动翻转

usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingUnityEngine;usingUnityEngine.InputSystem;publicclassPlayerController:MonoBehaviour{[Header("基础参数")]publicVector2inputDirection;publicfloatspeed;publicfloatjumpForce;publicPlayerInputContollerinputController;privateRigidbody2Drb;privateboolisGrounded;privatevoidAwake(){inputController=newPlayerInputContoller();rb=GetComponent<Rigidbody2D>();}// Start is called before the first frame updatevoidStart(){}// Update is called once per framevoidUpdate(){inputDirection=inputController.Player.Move.ReadValue<Vector2>();}privatevoidFixedUpdate(){Move();}privatevoidOnEnable(){inputController.Enable();}privatevoidOnDisable(){inputController.Disable();}voidMove(){rb.velocity=newVector2(inputDirection.x*speed*Time.deltaTime,rb.velocity.y);floatfaceDir=transform.localScale.x;if(inputDirection.x<0)faceDir=-1;if(inputDirection.x>0)faceDir=1;transform.localScale=newVector3(faceDir,1,1);}}

2.4 跳跃

usingSystem;usingSystem.Collections;usingSystem.Collections.Generic;usingUnityEngine;usingUnityEngine.InputSystem;publicclassPlayerController:MonoBehaviour{publicVector2inputDirection;publicfloatspeed;publicfloatjumpForce;publicLayerMaskgroundLayer;publicTransformgroundCheck;publicfloatgroundCheckRadius=0.2f;publicPlayerInputContollerinputController;privateRigidbody2Drb;privateboolisGrounded;privatevoidAwake(){inputController=newPlayerInputContoller();rb=GetComponent<Rigidbody2D>();inputController.Player.Jump.started+=Jump;}// Start is called before the first frame updatevoidStart(){}// Update is called once per framevoidUpdate(){inputDirection=inputController.Player.Move.ReadValue<Vector2>();}privatevoidFixedUpdate(){Move();CheckGround();}privatevoidOnEnable(){inputController.Enable();}privatevoidOnDisable(){inputController.Disable();}voidMove(){rb.velocity=newVector2(inputDirection.x*speed*Time.deltaTime,rb.velocity.y);floatfaceDir=transform.localScale.x;if(inputDirection.x<0)faceDir=-1;if(inputDirection.x>0)faceDir=1;transform.localScale=newVector3(faceDir,1,1);}privatevoidJump(InputAction.CallbackContextcontext){if(isGrounded){Debug.Log("Jumping");rb.AddForce(Vector2.up*jumpForce,ForceMode2D.Impulse);isGrounded=false;}else{Debug.Log("Not Jumping, not grounded");}}privatevoidCheckGround(){isGrounded=Physics2D.OverlapCircle(groundCheck.position,groundCheckRadius,groundLayer);}}

2.5 闲置、移动动画

添加动画控制器、动画片段

设置动画器

代码

2.6 跳跃动画

2.7 受伤

Player

Boar

usingSystem.Collections;usingSystem.Collections.Generic;usingUnityEngine;/// <summary>/// 角色基础属性管理类，处理生命值和伤害计算/// </summary>publicclassCharacter:MonoBehaviour{// 当前生命值publicfloatcurrentBlood;// 最大生命值publicfloatmaxBlood;/// <summary>/// 处理角色受到伤害的方法/// </summary>/// <param name="damage">受到的伤害值</param>publicvoidTakeDamage(floatdamage){// 减少当前生命值currentBlood-=damage;// 确保生命值不会低于0if(currentBlood<0)currentBlood=0;}}

usingSystem.Collections;usingSystem.Collections.Generic;usingUnityEngine;usingUnityEngine.TextCore.Text;/// <summary>/// 处理攻击行为和伤害判定的组件/// </summary>publicclassAttack:MonoBehaviour{// 攻击伤害值publicfloatattackValue;// 是否处于无敌状态privateboolisInvincible;// 上次造成伤害的时间privatefloatlastTime;// 无敌状态持续时间（单位：秒）privatefloatinvincibleDuration=2f;privatevoidAwake(){// 初始化上次攻击时间lastTime=Time.time;}// Update在每一帧被调用voidUpdate(){// 检查是否需要解除无敌状态if(isInvincible&&Time.time-lastTime>=invincibleDuration){isInvincible=false;}}/// <summary>/// 当其他碰撞体持续停留在触发器内时调用/// </summary>/// <param name="collision">与之碰撞的碰撞体</param>privatevoidOnTriggerStay2D(Collider2Dcollision){// 如果碰撞对象不是玩家，直接返回if(!collision.CompareTag("Player"))return;// 只有在非无敌状态下才造成伤害if(!isInvincible){// 获取被攻击对象的Character组件Charactercharacter=collision.GetComponent<Character>();// 对目标造成伤害character.TakeDamage(attackValue);// 进入无敌状态isInvincible=true;// 记录当前时间点lastTime=Time.time;}}}

受伤动画

2.8 死亡

2.9 攻击

动画

判定

3.敌人