chore: initial commit
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153
Assets/Scripts/Player/PlayerMovement.cs
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153
Assets/Scripts/Player/PlayerMovement.cs
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using UnityEngine;
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namespace BaseGames.Player
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{
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/// <summary>
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/// 玩家物理移动组件。封装 Rigidbody2D 操作,提供跑动、跳跃、击退等接口。
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/// Phase 2 功能(冲刺、单向平台)在此留存桩方法。
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/// </summary>
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[RequireComponent(typeof(Rigidbody2D))]
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public class PlayerMovement : MonoBehaviour
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{
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[Header("配置")]
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[SerializeField] private PlayerMovementConfigSO _config;
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[Header("地面检测")]
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[SerializeField] private Transform _groundCheck;
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[SerializeField] private Vector2 _groundCheckSize = new Vector2(0.8f, 0.05f);
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[SerializeField] private LayerMask _groundLayer;
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// ── 运行时状态 ────────────────────────────────────────────────────────
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private Rigidbody2D _rb;
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private float _coyoteTimer;
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private bool _isGrounded;
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private bool _isWallLeft;
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private bool _isWallRight;
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private bool _onOneWayPlatform;
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private int _facingDirection = 1;
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private bool _cancelWindowOpen;
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private SurfaceType _currentSurface = SurfaceType.Ground;
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public bool IsGrounded => _isGrounded;
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public bool HasCoyoteTime => _coyoteTimer > 0f;
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public bool IsWallLeft => _isWallLeft;
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public bool IsWallRight => _isWallRight;
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public bool OnOneWayPlatform => _onOneWayPlatform;
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public int FacingDirection => _facingDirection;
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public Rigidbody2D Rb => _rb;
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public bool CancelWindowOpen => _cancelWindowOpen;
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public SurfaceType CurrentSurface => _currentSurface;
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private void Awake() => _rb = GetComponent<Rigidbody2D>();
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private void FixedUpdate()
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{
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CheckGrounded();
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CheckWalls();
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if (_isGrounded)
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_coyoteTimer = _config != null ? _config.CoyoteTime : 0.12f;
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else
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_coyoteTimer = Mathf.Max(0f, _coyoteTimer - Time.fixedDeltaTime);
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}
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// ── 移动 ──────────────────────────────────────────────────────────────
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public void Move(float speedX)
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{
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if (_config == null) return;
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float target = speedX;
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float current = _rb.velocity.x;
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float accel = Mathf.Abs(speedX) > 0.01f ? _config.Acceleration : _config.Deceleration;
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float newX = Mathf.MoveTowards(current, target, accel * Time.fixedDeltaTime);
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_rb.velocity = new Vector2(newX, _rb.velocity.y);
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}
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// ── 跳跃 ──────────────────────────────────────────────────────────────
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public void Jump(bool isVariable = true)
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{
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float force = _config != null ? _config.JumpForce : 18f;
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_rb.velocity = new Vector2(_rb.velocity.x, force);
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_coyoteTimer = 0f;
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}
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public void CutJump()
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{
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if (_rb.velocity.y > 0f)
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_rb.velocity = new Vector2(_rb.velocity.x, _rb.velocity.y * 0.5f);
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}
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// ── 重力 ──────────────────────────────────────────────────────────────
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public void SetGravityScale(float scale) => _rb.gravityScale = scale;
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// ── 击退 ──────────────────────────────────────────────────────────────
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public void ApplyKnockback(Vector2 direction, float force)
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=> _rb.velocity = direction.normalized * force;
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// ── 速度控制 ──────────────────────────────────────────────────────────
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public void ZeroVelocity() => _rb.velocity = Vector2.zero;
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public void ZeroHorizontalVelocity() => _rb.velocity = new Vector2(0f, _rb.velocity.y);
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// ── 朝向 ──────────────────────────────────────────────────────────────
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public void UpdateFacing()
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{
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float vx = _rb.velocity.x;
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if (Mathf.Abs(vx) < 0.1f) return;
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int dir = vx > 0f ? 1 : -1;
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if (dir == _facingDirection) return;
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_facingDirection = dir;
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Vector3 s = transform.localScale;
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transform.localScale = new Vector3(Mathf.Abs(s.x) * dir, s.y, s.z);
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}
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// ── 取消窗口 ──────────────────────────────────────────────────────────
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public void SetCancelWindowOpen(bool open) => _cancelWindowOpen = open;
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// ── Phase 2 桩 ────────────────────────────────────────────────────────
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/// <summary>Phase 2 实现冲刺。</summary>
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public void Dash(Vector2 direction, float speed) { }
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/// <summary>Phase 2 实现单向平台穿透。</summary>
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public void DropThroughPlatform() { }
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// ── Physics 检测 ──────────────────────────────────────────────────────
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private void CheckGrounded()
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{
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bool wasGrounded = _isGrounded;
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Vector2 origin = _groundCheck != null
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? (Vector2)_groundCheck.position
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: (Vector2)transform.position + Vector2.down * 0.5f;
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_isGrounded = Physics2D.OverlapBox(origin, _groundCheckSize, 0f, _groundLayer);
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if (_isGrounded && !wasGrounded)
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_coyoteTimer = _config != null ? _config.CoyoteTime : 0.12f;
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}
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private void CheckWalls()
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{
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if (_config == null) return;
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float len = _config.WallRayLength;
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float offY = _config.WallRayOffsetY;
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Vector2 pos = (Vector2)transform.position + Vector2.up * offY;
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_isWallLeft = Physics2D.Raycast(pos, Vector2.left, len, _groundLayer);
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_isWallRight = Physics2D.Raycast(pos, Vector2.right, len, _groundLayer);
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}
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private void OnDrawGizmosSelected()
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{
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if (_groundCheck == null) return;
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Gizmos.color = Color.green;
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Gizmos.DrawWireCube(_groundCheck.position, _groundCheckSize);
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}
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}
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/// <summary>当前所在地面类型(用于脚步声等反馈)。</summary>
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public enum SurfaceType
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{
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Ground,
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OneWayPlatform,
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Slope,
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Ice,
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}
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}
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