95 lines
2.8 KiB
C#
95 lines
2.8 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 GrappleHook : MonoBehaviour
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{
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[SerializeField]
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private float maxGrappleDist = 200;
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[SerializeField]
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private LayerMask grappleableLayer; // TODO create layermask
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[SerializeField]
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private Vector3 gunPos = new Vector3 (-0.5f, 0f, 0f);
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private SpringJoint joint;
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private LineRenderer lr;
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RaycastHit hit;
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private bool grappled = false;
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[SerializeField]
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private Transform hitMarker; //TODO obj this should be a sprite or something idk
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// Start is called before the first frame update
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void Start()
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{
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lr = gameObject.GetComponentInChildren<LineRenderer>();
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lr.enabled = false;
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hitMarker.gameObject.SetActive(false);
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}
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// Update is called once per frame
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void Update()
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{
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if(Input.GetMouseButtonUp(0)){//TODO Change to correct input system
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EndGrapple();
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}
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if(grappled){
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DrawRope();
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if(Input.GetMouseButtonDown(1)){
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joint.minDistance = 0f;
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joint.maxDistance = 0f;
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}
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return;
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}
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Aim();
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}
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private void Aim(){
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Vector3 mousePos;
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mousePos = Input.mousePosition;
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mousePos.z = Mathf.Abs(Camera.main.transform.position.z);
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mousePos = Camera.main.ScreenToWorldPoint(mousePos);
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Vector3 aimDir = (mousePos - gameObject.transform.position).normalized;
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if(!hitMarker.gameObject.activeSelf)hitMarker.gameObject.SetActive(true);
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hitMarker.position = gameObject.transform.position + aimDir * maxGrappleDist;
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if(Physics.Raycast(gameObject.transform.position, aimDir, out hit, maxGrappleDist, grappleableLayer)){
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hitMarker.position = hit.point;
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if(Input.GetMouseButtonDown(0)){
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StartGrapple(hit);
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}
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}
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}
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private void DrawRope(){
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if(!grappled)return;
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// TODO Draw gradually towards point
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lr.SetPosition(0, gameObject.transform.position);
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lr.SetPosition(1, hit.point);
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if(!lr.enabled)lr.enabled = true;
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}
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private void StartGrapple(RaycastHit hit){
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grappled = true;
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//Display
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hitMarker.gameObject.SetActive(false);
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joint = gameObject.AddComponent<SpringJoint>();
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joint.anchor = gunPos;
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joint.autoConfigureConnectedAnchor = false;
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joint.maxDistance = hit.distance * 0.8f;
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joint.minDistance = hit.distance * 0.25f;
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joint.connectedAnchor = hit.point;
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joint.spring = 4.5f * 5f;
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joint.damper = 7f;
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joint.massScale = 4.5f;
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}
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private void EndGrapple(){
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grappled = false;
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lr.enabled = false;
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Destroy(joint);
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}
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}
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