1. using System.Collections;
2. using System.Collections.Generic;
3. using System.Runtime.CompilerServices;
4. using Unity.Mathematics;
5. using Unity.VisualScripting;
6. using UnityEditor;
7. using UnityEditor.Callbacks;
8. using UnityEditor.U2D;
9. using UnityEngine;
10. using UnityEngine.U2D.IK;
11. using UnityEngine.UIElements;
12.  
13.  
14. public class NewBehaviourScript : MonoBehaviour
15. {
16.  
17.     [Header("Move")]
18.     public float playerInput;
19.     [SerializeField]private Rigidbody2D playerRb;
20.     [SerializeField]private float mSpeed;
21.     public bool facingRight=false;
22.  
23.  
24.     [Header("Jump")]
25.     [SerializeField]private float height;
26.     [SerializeField]private float gravityF;
27.     [SerializeField]private float gravityH;
28.     [SerializeField]private float JumpStarttime;
29.     [SerializeField]private float coyateTime;
30.     [SerializeField]private float coyateCounter;
31.     private float jumpTime;
32.     private bool isJump;
33.  
34.     [Header("Dash")]
35.     [SerializeField]private float dashPower=10f;
36.     [SerializeField]private float dashCooldown;
37.     [SerializeField]private float dashCooldownCounter;
38.    
39.  
40.     [Header("Gr")]
41.     [SerializeField]LayerMask Ground;
42.     [SerializeField]Transform feetPosition;
43.     [SerializeField]float radius;
44.     private bool onGr;
45.  
46.  
47.  
48.     void Start()
49.     {
50.         dashCooldownCounter=dashCooldown;
51.         playerRb.drag=0;
52.     }
53.     void Update()
54.     {
55.          Debug.Log(playerRb.velocity);
56.         //JUmp
57.         if(Input.GetKeyDown(KeyCode.Space)&&coyateCounter;>0f)
58.         {
59.             playerRb.AddForce(new Vector2(transform.position.x,height),ForceMode2D.Impulse);
60.             isJump=true;
61.             jumpTime=JumpStarttime;//đặt thời gian để chạy ngược quy định tg giữ nút cách
62.         }
63.  
64.        
65.         if(Input.GetKeyUp( KeyCode.Space))
66.         {
67.             isJump=false;
68.         }
69.  
70.         if(onGr==true)
71.         {
72.             coyateCounter=coyateTime;
73.         }
74.         else
75.         {
76.             coyateCounter-=Time.deltaTime;
77.         }
78.         onGr=Physics2D.OverlapCircle(feetPosition.position,radius,Ground);
79.         //flip
80.         if(playerInput==1&& facingRight==false)
81.         {
82.             Flip();
83.         }
84.         if(playerInput==-1&& facingRight==true)
85.         {
86.             Flip();
87.         }
88.         Dash();
89.  
90.        
91.     }
92.    
93.     void smoothJu()
94.     {
95.         if(playerRb.velocity.y<0)
96.         {
97.             playerRb.velocity+=Vector2.up * Physics2D.gravity.y * (gravityF-1) * Time.deltaTime;
98.             //tốc độ rơi tăng dần theo tg
99.         }
100.         else if(playerRb.velocity.y>0 && isJump)
101.         {
102.             playerRb.AddForce(Vector2.down * Physics2D.gravity.y * (gravityH-1) * Time.deltaTime,ForceMode2D.Impulse);
103.         }
104.     }
105.     private void FixedUpdate()
106.     {
107.      
108.         smoothJu();
109.         playerInput=Input.GetAxisRaw("Horizontal");
110.         playerRb.velocity=new Vector2(mSpeed*playerInput,playerRb.velocity.y);
111.  
112.     }
113.    
114.     void Flip()
115.     {
116.         {
117.             Vector2 currentScale = gameObject.transform.localScale;
118.             currentScale.x *= -1;
119.             gameObject.transform.localScale = currentScale;
120.             facingRight = !facingRight;
121.          }
122.     }
123.     void HoldJump()
124.     {
125.          if(Input.GetKey(KeyCode.Space)&&isJump;==true&&coyateCounter;>0f)
126.         {
127.             if(jumpTime>0)
128.             {
129.              playerRb.velocity=Vector2.up*height;
130.              jumpTime-=Time.deltaTime;//nếu còn trong tg nhảy cao thì tăng lực nhảy và giảm dần tg nhảy = cooldown tg nhảy cao
131.             }
132.             else
133.             {
134.                 isJump=false;
135.             }
136.         }
137.     }
138.     void Dash()
139.     {
140.            if(Input.GetKeyDown(KeyCode.Q))
141.         {
142.             playerRb.velocity=new Vector2(dashPower,playerRb.velocity.y);
143.         }
144.     }
145. }    
146.  
147.