MuHua-123
115 lines
4.4 KiB
C#
115 lines
4.4 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace MuHua {
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/// <summary>
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/// 标准运动实现
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/// </summary>
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public class MovementStandard : IMovement {
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public Vector3 position;
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public float moveSpeed = 5.0f; // 最大移动速度
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public float acceleration = 20.0f; // 加速度
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public float steeringSpeed = 180.0f; // 加速度
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public float currentSpeed = 0.0f; // 当前速度
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public Vector3 direction; // 面向
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public CharacterController controller;
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private float _targetRotation = 0.0f;
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private float _rotationVelocity;
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private float _verticalVelocity;
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public override float CurrentSpeed => currentSpeed;
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public override Vector3 Direction => direction;
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private void Awake() => position = transform.position;
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private void Update() {
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// 计算相对于世界坐标系的移动方向
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Vector3 moveDirection = (position - transform.position).normalized;
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float distance = Vector3.Distance(transform.position, position);
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// float targetSpeed = _input.sprint ? SprintSpeed : MoveSpeed;
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float targetSpeed = moveSpeed;
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// 注意：Vector2的==运算符使用近似值，因此不易出现浮点误差，并且比幅度便宜
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// 如果没有输入，将目标速度设置为0
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if (distance < 0.2f) { targetSpeed = 0.0f; }
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// 角色当前水平速度的参考
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//float currentHorizontalSpeed = new Vector3(controller.velocity.x, 0.0f, controller.velocity.z).magnitude;
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float speedOffset = 0.1f;
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//float inputMagnitude = moveDirection.magnitude;
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// 加速或减速至目标速度
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if (currentSpeed < targetSpeed - speedOffset || currentSpeed > targetSpeed + speedOffset) {
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// 产生弯曲的结果，而不是线性的结果，从而产生更有机的速度变化
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// 注意Lerp中的T是夹紧的，所以我们不需要夹紧我们的速度
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currentSpeed = Mathf.Lerp(currentSpeed, targetSpeed, Time.deltaTime * acceleration);
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// 四舍五入到小数点后3位
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//currentSpeed = Mathf.Round(currentSpeed * 1000f) / 1000f;
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}
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else { currentSpeed = targetSpeed; }
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// 注意：矢量2！=运算符使用近似值，因此不易出现浮点误差，而且比幅度便宜
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// 如果有移动输入，则在玩家移动时旋转玩家
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// if (moveDirection != Vector3.zero) {
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// _targetRotation = Mathf.Atan2(moveDirection.x, moveDirection.z) * Mathf.Rad2Deg;
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// float rotation = Mathf.SmoothDampAngle(transform.eulerAngles.y, _targetRotation, ref _rotationVelocity, steeringSpeed);
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// // 相对于相机位置旋转到面向输入方向
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// transform.rotation = Quaternion.Euler(0.0f, rotation, 0.0f);
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// }
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//Vector3 targetDirection = Quaternion.Euler(0.0f, _targetRotation, 0.0f) * Vector3.forward;
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// 移动角色
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// controller.Move(targetDirection.normalized * (currentSpeed * Time.deltaTime) + new Vector3(0.0f, _verticalVelocity, 0.0f) * Time.deltaTime);
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// 平滑加速和减速
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//currentSpeed = Mathf.MoveTowards(currentSpeed, moveSpeed, acceleration * Time.deltaTime);
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// 移动玩家
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//transform.Translate(moveDirection * currentSpeed * Time.deltaTime, Space.World);
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controller.Move(moveDirection * currentSpeed * Time.deltaTime);
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// 如果有移动输入，则更新玩家的朝向
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if (distance > 0.1f) {
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Quaternion toRotation = Quaternion.LookRotation(moveDirection, Vector3.up);
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transform.rotation = Quaternion.RotateTowards(transform.rotation, toRotation, moveSpeed * Time.deltaTime * steeringSpeed);
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}
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// 计算转向向量
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Vector3 localMoveDirection = transform.InverseTransformDirection(moveDirection * currentSpeed);
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localMoveDirection = localMoveDirection.normalized;
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// 对localMoveDirection的x和z进行分类处理
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float moveX = Convert.ToInt32(localMoveDirection.x);
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float moveZ = Convert.ToInt32(localMoveDirection.z);
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direction = new Vector3(moveX, 0, moveZ);
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}
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public override bool UpdateMove(Vector3 position, float moveSpeed) {
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this.position = position;
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this.moveSpeed = moveSpeed;
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// 如果到达目标位置，返回 true
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float distance = Vector3.Distance(transform.position, position);
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return distance < 0.05f;
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}
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public override Vector3 RandomTargetPosition() {
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float randomX = UnityEngine.Random.Range(-10.0f, 10.0f);
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float randomZ = UnityEngine.Random.Range(-10.0f, 10.0f);
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return transform.position + new Vector3(randomX, 0, randomZ);
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}
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public override void StopMoving() {
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currentSpeed = 0;
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}
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}
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} |