93 lines
2.5 KiB
C#
93 lines
2.5 KiB
C#
using System.Threading.Tasks;
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using UnityEngine;
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using static UnityEditor.PlayerSettings;
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public class Target : MonoBehaviour
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{
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public BoxCollider targetMoveAbleArea;
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public LayerMask hitMask;
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public float moveSpeed = 1;
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public float rotateSpeed = 1;
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private Vector3 targetPos;
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private void Awake()
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{
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RandomSpawn();
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}
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//private void Update()
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//{
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// if (Input.GetKeyDown(KeyCode.F))
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// {
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// RandomSpawn();
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// }
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//}
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private void FixedUpdate()
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{
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var dir = targetPos - this.transform.position;
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if (dir.magnitude > .5f)
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{
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var targetRot = Quaternion.LookRotation(dir, Vector3.up);
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this.transform.rotation = Quaternion.Slerp(this.transform.rotation, targetRot, Time.fixedDeltaTime * rotateSpeed);
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this.transform.position += this.transform.forward * moveSpeed * Time.fixedDeltaTime;
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}
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else
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{
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SearchRandomTargetMovePos();
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}
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}
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private void SearchRandomTargetMovePos()
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{
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GetRandomPosition(out var tmpPos);
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var randomMoveOffset = (tmpPos - this.transform.position).normalized * moveSpeed;
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if (!Physics.BoxCast(this.transform.position, .5f * Vector3.one, randomMoveOffset, this.transform.rotation))
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{
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targetPos = tmpPos;
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}
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}
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private void RandomSpawn()
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{
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GetRandomPosition(out var pos);
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this.transform.position = pos;
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targetPos = pos;
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}
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private void GetRandomPosition(out Vector3 pos, int limit = 100)
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{
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pos = Vector3.one;
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if (limit < 0)
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return;
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var minPos = targetMoveAbleArea.bounds.min;
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var maxPos = targetMoveAbleArea.bounds.max;
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float randomF()
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{
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return Random.Range(0, 1.0f);
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}
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pos.x = Mathf.Lerp(minPos.x, maxPos.x, randomF());
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pos.y = Mathf.Lerp(minPos.y, maxPos.y, randomF());
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pos.z = Mathf.Lerp(minPos.z, maxPos.z, randomF());
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var hits = Physics.OverlapBox(pos, .5f * Vector3.one, Quaternion.identity, hitMask, QueryTriggerInteraction.Collide);
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if (hits.Length > 0)
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{
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GetRandomPosition(out pos, --limit);
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}
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}
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private async void DebugR()
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{
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int i = 1000;
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while (--i > 0)
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{
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GetRandomPosition(out var pos);
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var cube = GameObject.CreatePrimitive(PrimitiveType.Cube);
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cube.transform.position = pos;
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await Task.Yield();
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}
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}
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}
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