108 lines
3.8 KiB
C#
108 lines
3.8 KiB
C#
using System.Collections;
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using System.Collections.Generic;
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using UnityEngine;
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namespace PolygonArsenal
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{
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public class PolygonBeamStatic : MonoBehaviour
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{
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[Header("Prefabs")]
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public GameObject beamLineRendererPrefab; //Put a prefab with a line renderer onto here.
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public GameObject beamStartPrefab; //This is a prefab that is put at the start of the beam.
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public GameObject beamEndPrefab; //Prefab put at end of beam.
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private GameObject beamStart;
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private GameObject beamEnd;
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private GameObject beam;
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private LineRenderer line;
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[Header("Beam Options")]
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public bool alwaysOn = true; //Enable this to spawn the beam when script is loaded.
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public bool beamCollides = true; //Beam stops at colliders
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public float beamLength = 100; //Ingame beam length
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public float beamEndOffset = 0f; //How far from the raycast hit point the end effect is positioned
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public float textureScrollSpeed = 0f; //How fast the texture scrolls along the beam, can be negative or positive.
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public float textureLengthScale = 1f; //Set this to the horizontal length of your texture relative to the vertical.
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//Example: if texture is 200 pixels in height and 600 in length, set this to 3
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void Start()
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{
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}
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private void OnEnable()
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{
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if (alwaysOn) //When the object this script is attached to is enabled, spawn the beam.
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SpawnBeam();
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}
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private void OnDisable() //If the object this script is attached to is disabled, remove the beam.
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{
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RemoveBeam();
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}
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void FixedUpdate()
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{
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if (beam) //Updates the beam
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{
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line.SetPosition(0, transform.position);
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Vector3 end;
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RaycastHit hit;
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if (beamCollides && Physics.Raycast(transform.position, transform.forward, out hit)) //Checks for collision
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end = hit.point - (transform.forward * beamEndOffset);
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else
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end = transform.position + (transform.forward * beamLength);
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line.SetPosition(1, end);
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if (beamStart)
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{
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beamStart.transform.position = transform.position;
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beamStart.transform.LookAt(end);
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}
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if (beamEnd)
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{
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beamEnd.transform.position = end;
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beamEnd.transform.LookAt(beamStart.transform.position);
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}
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float distance = Vector3.Distance(transform.position, end);
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line.material.mainTextureScale = new Vector2(distance / textureLengthScale, 1); //This sets the scale of the texture so it doesn't look stretched
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line.material.mainTextureOffset -= new Vector2(Time.deltaTime * textureScrollSpeed, 0); //This scrolls the texture along the beam if not set to 0
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}
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}
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public void SpawnBeam() //This function spawns the prefab with linerenderer
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{
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if (beamLineRendererPrefab)
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{
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if (beamStartPrefab)
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beamStart = Instantiate(beamStartPrefab);
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if (beamEndPrefab)
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beamEnd = Instantiate(beamEndPrefab);
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beam = Instantiate(beamLineRendererPrefab);
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beam.transform.position = transform.position;
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beam.transform.parent = transform;
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beam.transform.rotation = transform.rotation;
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line = beam.GetComponent<LineRenderer>();
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line.useWorldSpace = true;
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line.positionCount = 2;
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}
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else
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print("Add a hecking prefab with a line renderer to the SciFiBeamStatic script on " + gameObject.name + "! Heck!");
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}
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public void RemoveBeam() //This function removes the prefab with linerenderer
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{
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if (beam)
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Destroy(beam);
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if (beamStart)
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Destroy(beamStart);
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if (beamEnd)
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Destroy(beamEnd);
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}
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}
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} |