94 lines
2.9 KiB
C#
94 lines
2.9 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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public class Enemy : MonoBehaviour
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{
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public float moveSpeed = 0.1f;
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public bool canSeePlayer = false;
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float distanceThreshold = 0.45f;
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float playerDistanceThreshold = 1f;
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float dodgeTime = 0.25f;
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float dodgeTimer = 0;
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public LayerMask linecastLayer;
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float offset;
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private void Awake()
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{
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dodgeTimer = dodgeTime;
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offset = Random.Range(-0.5f,0.5f);
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}
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Color debugColor = Color.white;
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void FixedUpdate()
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{
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if (GameManager.Player == null) { return; }
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RaycastHit2D hit = Physics2D.Linecast(transform.position, GameManager.Player.position, linecastLayer);
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if (hit.collider == null) {
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canSeePlayer = true;
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} else if (hit.collider.transform == GameManager.Player.transform)
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{
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canSeePlayer = true;
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}
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else if(hit.collider.tag == "Obstacle")
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{
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canSeePlayer = false;
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float distanceToBarrier = Vector2.Distance(transform.position, hit.point);
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if (distanceToBarrier < distanceThreshold && distanceToBarrier > 0.001f)
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{
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dodgeTimer = 0;
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}
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Debug.DrawLine(transform.position, hit.point, debugColor);
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}
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if (canSeePlayer)
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{
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if (Vector2.Distance(GameManager.Player.position, transform.position) < playerDistanceThreshold)
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{
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GameManager.GameOver();
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return;
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}
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}
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Vector3 direction = (GameManager.Player.position - new Vector3(-offset/2f,offset,0) - transform.position).normalized;
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float rot_z = Mathf.Atan2(direction.y,direction.x) * Mathf.Rad2Deg;
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transform.rotation = Quaternion.Euler(0,0,rot_z+180);
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if (dodgeTimer < dodgeTime)
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{
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dodgeTimer += Time.deltaTime;
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if(!attacked){
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Drawer.instance.lineRenderer.GetComponent<Rigidbody2D>().AddForce(((Vector2)transform.position- hit.point) * -attackForce);
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attacked=true;
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}
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if (dodgeTimer > dodgeTime/100f || true)
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{
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debugColor = Color.red;
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Vector3 new_direction = (hit.point - (Vector2)transform.position).normalized;
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Vector3 newPos = transform.position + (-new_direction * moveSpeed);
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RaycastHit2D hitBack = Physics2D.Linecast(transform.position, newPos, linecastLayer);
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if(hitBack.collider != null){
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return;
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}
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transform.Translate(-new_direction * moveSpeed * 0.5f, Space.World);
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return;
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}
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}
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attacked=false;
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transform.Translate(direction * moveSpeed, Space.World);
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debugColor = Color.white;
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}
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bool attacked =false;
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float attackForce =50;
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}
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