Finished

Assets/Scripts/Level 18/Bullet18.cs

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+using System;
+using DG.Tweening;
+using UnityEngine;
+
+namespace Level18 {
+    public class Bullet18 : BulletStats {
+        int _currentBounces;
+
+        [SerializeField] Sprite red, yellow;
+
+        protected override void Start() {
+            base.Start();
+
+            _currentBounces = maxBounces;
+        }
+
+        void FixedUpdate() {
+            if (Rb.velocity.y <= maxYSpeed) return;
+            Vector2 velocity = Rb.velocity;
+            velocity.y = maxYSpeed;
+            Rb.velocity = velocity;
+        }
+
+        public void AddForce(int direction) {
+            ++PlayerMovement18.instance.Bullets;
+            GetComponent<Rigidbody2D>().velocity = Vector2.right * direction * bulletSpeed;
+        }
+
+        void OnCollisionEnter2D(Collision2D other) {
+            transform.DOPunchScale(transform.localScale * 1.5f, .1f);
+
+            DOTween.Sequence()
+                .AppendCallback(() => {
+                    Sprite.sprite = yellow;
+                }).AppendInterval(.1f)
+                .AppendCallback(() => {
+                    Sprite.sprite = red;
+                });
+            
+            --_currentBounces;
+            if (_currentBounces != 0 || other.gameObject.CompareTag("Enemy")) return;
+            
+            Destroy(gameObject);
+        }
+        
+        void OnDestroy() {
+            --PlayerMovement18.instance.Bullets;
+        }
+    }
+}

Assets/Scripts/Level 18/Bullet18.cs.meta

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Assets/Scripts/Level 18/Enemy18.cs

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+using System;
+using DG.Tweening;
+using UnityEngine;
+
+namespace Level18 {
+    public class Enemy18 : EnemyStats {
+        [SerializeField] float speed;
+
+        [SerializeField] LayerMask groundLayer;
+
+        [SerializeField] SpriteRenderer sprite;
+
+        [Header("Flipping Pivots")] 
+        [SerializeField] Transform flippingPivotLeft;
+        [SerializeField] Transform flippingPivotRight;
+
+        [Header("Particles")]
+        [SerializeField] ParticleSystem deathParticles;
+
+        int _facingDirection = 1;
+
+        static readonly int Lerp = Shader.PropertyToID("_Lerp");
+
+        // Update is called once per frame
+        void FixedUpdate() {
+            if (_facingDirection > 0) {
+                if (Physics2D.OverlapBox(flippingPivotRight.position, flippingPivotRight.localScale, 0, groundLayer)) {
+                    _facingDirection = -1;
+                    sprite.transform.localScale = new Vector3(-1, 1, 1);
+                }
+            }else {
+                if (Physics2D.OverlapBox(flippingPivotLeft.position, flippingPivotLeft.localScale, 0, groundLayer)) {
+                    _facingDirection = 1;
+                    sprite.transform.localScale = Vector3.one;
+                }
+            }
+            Rb.velocity = new Vector2(speed * _facingDirection, Rb.velocity.y);
+        }
+
+        public void DoKill() {
+            Instantiate(deathParticles, transform.position, Quaternion.identity);
+            
+            sprite.material.DOFloat(1f, Lerp, .1f).SetLoops(2, LoopType.Yoyo).SetUpdate(true);
+            ScreenShake.Shake(5f, .2f);
+            Collider.enabled = false;
+            Rb.freezeRotation = false;
+            Rb.AddForceAtPosition(Vector2.up * throwForce, transform.position + new Vector3(-.5f, .5f), ForceMode2D.Impulse);
+        }
+
+        void OnDrawGizmos() {
+            if(!flippingPivotLeft || !flippingPivotRight) return;
+
+            Gizmos.color = Color.red;
+        
+            Gizmos.DrawWireCube(flippingPivotLeft.position, flippingPivotLeft.localScale);
+            Gizmos.DrawWireCube(flippingPivotRight.position, flippingPivotRight.localScale);
+        }
+    }
+}

Assets/Scripts/Level 18/Enemy18.cs.meta

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Assets/Scripts/Level 18/EnemyWeakPoint18.cs

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+using DG.Tweening;
+using UnityEngine;
+
+namespace Level18 {
+	public class EnemyWeakPoint18 : MonoBehaviour {
+
+		Enemy18 _enemy;
+	
+		void Awake() {
+			_enemy = GetComponentInParent<Enemy18>();
+		}
+
+		void OnTriggerEnter2D(Collider2D other) {
+			if (!other.CompareTag("Player") && !other.CompareTag("Bullet")) return;
+			PlayerMovement18 player = other.GetComponent<PlayerMovement18>();
+
+			if(player) player.Rb.velocity = new Vector2(player.Rb.velocity.x, player.deathForce);
+			if(player) player.Animator.SetTrigger(PlayerMovement18.Jump1);
+			if(player) player.BounceAnimator.SetTrigger(PlayerMovement18.Bounce);
+			
+			if(!player) Destroy(other.gameObject);
+			
+			_enemy.DoKill();
+			Destroy(gameObject);
+		}
+	}
+}

Assets/Scripts/Level 18/EnemyWeakPoint18.cs.meta

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+timeCreated: 1691603524

Assets/Scripts/Level 18/PlayerMovement18.cs

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+using UnityEngine;
+using UnityEngine.InputSystem;
+
+namespace Level18 {
+    public class PlayerMovement18 : PlayerStats {
+    
+        [Header("Shooting")]
+        [SerializeField] Bullet18 bullet;
+        [SerializeField] Transform shootingPos;
+    
+        [Header("Physics")] 
+        [SerializeField] LayerMask groundMask;
+        [SerializeField] Vector2 feetSize;
+    
+        float _horizontalInput;
+        float _xVelocity, _accelerationVelocity;
+        float _currentCoyoteTime, _currentBufferTime;
+        bool _grounded;
+
+        float _facingDirectionVelocity;
+        
+        public int Bullets { set; get; }
+
+        int _facingDirection = 1;
+
+        PlayerInput _playerInput;
+
+        [Header("Animations")] 
+        [SerializeField] Animator animator;
+        [SerializeField] Animator bounceAnimator;
+
+        [Header("Particles")]
+        [SerializeField] ParticleSystem runningParticles;
+        [SerializeField] ParticleSystem jumpParticles;
+        
+        public Animator Animator => animator;
+        public Animator BounceAnimator => bounceAnimator;
+
+        public static readonly int Jump1 = Animator.StringToHash("Jump");
+        static readonly int XVelocity = Animator.StringToHash("xVelocity");
+        static readonly int YVelocity = Animator.StringToHash("yVelocity");
+        static readonly int Grounded = Animator.StringToHash("Grounded");
+        public static readonly int Bounce = Animator.StringToHash("Bounce");
+        
+        public static PlayerMovement18 instance;
+
+        void Awake() {
+            instance = this;
+            
+            _playerInput = new PlayerInput();
+        
+            _playerInput.Gameplay.Horizontal.started += HorizontalHandler;
+            _playerInput.Gameplay.Horizontal.performed += HorizontalHandler;
+            _playerInput.Gameplay.Horizontal.canceled += HorizontalHandler;
+
+            _playerInput.Gameplay.Jump.started += Jump;
+            _playerInput.Gameplay.Jump.canceled += Jump;
+        
+            _playerInput.Gameplay.Fire.performed += Fire;
+        }
+
+        void Jump(InputAction.CallbackContext obj) {
+            if (obj.started) {
+                _currentBufferTime = bufferTime;
+            }else if (obj.canceled) {
+                if (Rb.velocity.y < 0f) return;
+                Rb.velocity = new Vector2(Rb.velocity.x, Rb.velocity.y * jumpCancellationMultiplier);
+            }
+        }
+
+        void Fire(InputAction.CallbackContext obj) {
+            if (Bullets >= maxBullets) return;
+            Bullet18 bullet18 = Instantiate(bullet, shootingPos.position, Quaternion.identity);
+            bullet18.AddForce(_facingDirection);
+        }
+    
+        void HorizontalHandler(InputAction.CallbackContext obj) {
+            _horizontalInput = obj.ReadValue<float>();
+            _facingDirection = _horizontalInput > 0 ? 1 : _horizontalInput < 0 ? -1 : _facingDirection;
+        }
+    
+        void OnEnable() {
+            _playerInput.Enable();
+        }
+
+        void OnDisable() {
+            _playerInput.Disable();
+        }
+
+        // Update is called once per frame
+        void Update() {
+            float xScale = Mathf.SmoothDamp(transform.localScale.x, _facingDirection, ref _facingDirectionVelocity,
+                .1f);
+            transform.localScale = new Vector3(xScale, 1, 1);
+            
+            animator.SetFloat(XVelocity, Mathf.Abs(_xVelocity));
+            bounceAnimator.SetFloat(XVelocity, Mathf.Abs(_xVelocity));
+            animator.SetFloat(YVelocity, Rb.velocity.y);
+            animator.SetBool(Grounded, _grounded);
+            bounceAnimator.SetBool(Grounded, _grounded);
+
+            if (_currentBufferTime > 0f && _currentCoyoteTime > 0f) {
+                Rb.velocity = new Vector2(Rb.velocity.x, jumpForce);
+                
+                animator.SetTrigger(Jump1);
+                bounceAnimator.SetTrigger(Bounce);
+
+                Instantiate(jumpParticles, transform);
+
+                _currentBufferTime = _currentCoyoteTime = 0f;
+            }
+
+            _currentCoyoteTime -= Time.deltaTime;
+            _currentBufferTime -= Time.deltaTime;
+        }
+
+        void FixedUpdate() {
+            bool grounded = Physics2D.OverlapBox(transform.position, feetSize, 0, groundMask);
+            if (!_grounded && grounded) {
+                bounceAnimator.SetTrigger(Bounce);
+            }
+
+            _grounded = grounded;
+            if (_grounded && Rb.velocity.y < .1f)
+                _currentCoyoteTime = coyoteTime;
+
+            _xVelocity = Rb.velocity.x;
+            _xVelocity = Mathf.SmoothDamp(_xVelocity, _horizontalInput * speed, ref _accelerationVelocity,
+                acceleration);
+            Rb.velocity = new Vector2(_xVelocity, Rb.velocity.y);
+            
+            if(Mathf.Abs(_xVelocity) > 1f && grounded)
+                runningParticles.Play();
+            else
+                runningParticles.Stop();
+        }
+
+        void OnDrawGizmos() {
+            Gizmos.color = Color.red;
+            Gizmos.DrawWireCube(transform.position, feetSize);
+        }
+    }
+}

Assets/Scripts/Level 18/PlayerMovement18.cs.meta

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