using UnityEngine;
|
using System.Collections;
|
using UnityEngine.UI;
|
|
public class MagicBeamScript : MonoBehaviour {
|
|
[Header("Prefabs")]
|
public GameObject[] beamLineRendererPrefab;
|
public GameObject[] beamStartPrefab;
|
public GameObject[] beamEndPrefab;
|
|
private int currentBeam = 0;
|
|
private GameObject beamStart;
|
private GameObject beamEnd;
|
private GameObject beam;
|
private LineRenderer line;
|
|
[Header("Adjustable Variables")]
|
public float beamEndOffset = 1f; //How far from the raycast hit point the end effect is positioned
|
public float textureScrollSpeed = 8f; //How fast the texture scrolls along the beam
|
public float textureLengthScale = 3; //Length of the beam texture
|
|
[Header("Put Sliders here (Optional)")]
|
public Slider endOffSetSlider; //Use UpdateEndOffset function on slider
|
public Slider scrollSpeedSlider; //Use UpdateScrollSpeed function on slider
|
|
[Header("Put UI Text object here to show beam name")]
|
public Text textBeamName;
|
|
// Use this for initialization
|
void Start()
|
{
|
if (textBeamName)
|
textBeamName.text = beamLineRendererPrefab[currentBeam].name;
|
if (endOffSetSlider)
|
endOffSetSlider.value = beamEndOffset;
|
if (scrollSpeedSlider)
|
scrollSpeedSlider.value = textureScrollSpeed;
|
}
|
|
// Update is called once per frame
|
void Update()
|
{
|
if (Input.GetKeyDown(KeyCode.Escape))
|
Application.Quit();
|
|
if (Input.GetMouseButtonDown(0))
|
{
|
beamStart = Instantiate(beamStartPrefab[currentBeam], new Vector3(0, 0, 0), Quaternion.identity) as GameObject;
|
beamEnd = Instantiate(beamEndPrefab[currentBeam], new Vector3(0, 0, 0), Quaternion.identity) as GameObject;
|
beam = Instantiate(beamLineRendererPrefab[currentBeam], new Vector3(0, 0, 0), Quaternion.identity) as GameObject;
|
line = beam.GetComponent<LineRenderer>();
|
}
|
if (Input.GetMouseButtonUp(0))
|
{
|
Destroy(beamStart);
|
Destroy(beamEnd);
|
Destroy(beam);
|
}
|
|
if (Input.GetMouseButton(0))
|
{
|
Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
|
RaycastHit hit;
|
if (Physics.Raycast(ray.origin, ray.direction, out hit))
|
{
|
Vector3 tdir = hit.point - transform.position;
|
ShootBeamInDir(transform.position, tdir);
|
}
|
}
|
|
if (Input.GetKeyDown(KeyCode.RightArrow)) //4 next if commands are just hotkeys for cycling beams
|
{
|
nextBeam();
|
}
|
|
if (Input.GetKeyDown(KeyCode.D))
|
{
|
nextBeam();
|
}
|
|
if (Input.GetKeyDown(KeyCode.A))
|
{
|
previousBeam();
|
}
|
else if (Input.GetKeyDown(KeyCode.LeftArrow))
|
{
|
previousBeam();
|
}
|
|
}
|
|
public void nextBeam() // Next beam
|
{
|
if (currentBeam < beamLineRendererPrefab.Length - 1)
|
currentBeam++;
|
else
|
currentBeam = 0;
|
|
if (textBeamName)
|
textBeamName.text = beamLineRendererPrefab[currentBeam].name;
|
}
|
|
public void previousBeam() // Previous beam
|
{
|
if (currentBeam > - 0)
|
currentBeam--;
|
else
|
currentBeam = beamLineRendererPrefab.Length - 1;
|
|
if (textBeamName)
|
textBeamName.text = beamLineRendererPrefab[currentBeam].name;
|
}
|
|
|
public void UpdateEndOffset()
|
{
|
beamEndOffset = endOffSetSlider.value;
|
}
|
|
public void UpdateScrollSpeed()
|
{
|
textureScrollSpeed = scrollSpeedSlider.value;
|
}
|
|
void ShootBeamInDir(Vector3 start, Vector3 dir)
|
{
|
line.positionCount = 2;
|
line.SetPosition(0, start);
|
beamStart.transform.position = start;
|
|
Vector3 end = Vector3.zero;
|
RaycastHit hit;
|
if (Physics.Raycast(start, dir, out hit))
|
end = hit.point - (dir.normalized * beamEndOffset);
|
else
|
end = transform.position + (dir * 100);
|
|
beamEnd.transform.position = end;
|
line.SetPosition(1, end);
|
|
beamStart.transform.LookAt(beamEnd.transform.position);
|
beamEnd.transform.LookAt(beamStart.transform.position);
|
|
float distance = Vector3.Distance(start, end);
|
line.sharedMaterial.mainTextureScale = new Vector2(distance / textureLengthScale, 1);
|
line.sharedMaterial.mainTextureOffset -= new Vector2(Time.deltaTime * textureScrollSpeed, 0);
|
}
|
}
|
