78 lines
1.8 KiB
C#
78 lines
1.8 KiB
C#
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using UnityEngine;
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using System.Collections;
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/**
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* Handles the bullet hole decals:
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* - Sets a random frame
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* - Fades the material according to the defined lifetime
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* - Optionally rotates the decal
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*
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* (c) 2015, Jean Moreno
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**/
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[RequireComponent(typeof(MeshFilter))]
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public class WFX_BulletHoleDecal : MonoBehaviour
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{
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static private Vector2[] quadUVs = new Vector2[]{new Vector2(0,0), new Vector2(0,1), new Vector2(1,0), new Vector2(1,1)};
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public float lifetime = 10f;
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public float fadeoutpercent = 80;
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public Vector2 frames;
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public bool randomRotation = false;
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public bool deactivate = false;
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private float life;
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private float fadeout;
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private Color color;
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private float orgAlpha;
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void Awake()
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{
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color = this.GetComponent<Renderer>().material.GetColor("_TintColor");
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orgAlpha = color.a;
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}
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void OnEnable()
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{
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//Random UVs
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int random = Random.Range(0, (int)(frames.x*frames.y));
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int fx = (int)(random%frames.x);
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int fy = (int)(random/frames.y);
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//Set new UVs
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Vector2[] meshUvs = new Vector2[4];
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for(int i = 0; i < 4; i++)
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{
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meshUvs[i].x = (quadUVs[i].x + fx) * (1.0f/frames.x);
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meshUvs[i].y = (quadUVs[i].y + fy) * (1.0f/frames.y);
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}
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this.GetComponent<MeshFilter>().mesh.uv = meshUvs;
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//Random rotate
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if(randomRotation)
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this.transform.Rotate(0f,0f,Random.Range(0f,360f), Space.Self);
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//Start lifetime coroutine
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life = lifetime;
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fadeout = life * (fadeoutpercent/100f);
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color.a = orgAlpha;
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this.GetComponent<Renderer>().material.SetColor("_TintColor", color);
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StopAllCoroutines();
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StartCoroutine("holeUpdate");
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}
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IEnumerator holeUpdate()
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{
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while(life > 0f)
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{
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life -= Time.deltaTime;
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if(life <= fadeout)
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{
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color.a = Mathf.Lerp(0f, orgAlpha, life/fadeout);
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this.GetComponent<Renderer>().material.SetColor("_TintColor", color);
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}
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yield return null;
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}
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}
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}
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