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c# script to manipulate/use sprite flash
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| using System.Collections; | |
| using System.Collections.Generic; | |
| using UnityEngine; | |
| public class SpriteFlash : MonoBehaviour { | |
| public Color flashColor; | |
| public float flashDuration; | |
| Material mat; | |
| private IEnumerator flashCoroutine; | |
| private void Awake() { | |
| mat = GetComponent<SpriteRenderer>().material; | |
| } | |
| private void Start() | |
| { | |
| mat.SetColor("_FlashColor", flashColor); | |
| } | |
| private void Update() { | |
| if(Input.GetKeyDown(KeyCode.Space)) | |
| Flash(); | |
| } | |
| private void Flash(){ | |
| if (flashCoroutine != null) | |
| StopCoroutine(flashCoroutine); | |
| flashCoroutine = DoFlash(); | |
| StartCoroutine(flashCoroutine); | |
| } | |
| private IEnumerator DoFlash() | |
| { | |
| float lerpTime = 0; | |
| while (lerpTime < flashDuration) | |
| { | |
| lerpTime += Time.deltaTime; | |
| float perc = lerpTime / flashDuration; | |
| SetFlashAmount(1f - perc); | |
| yield return null; | |
| } | |
| SetFlashAmount(0); | |
| } | |
| private void SetFlashAmount(float flashAmount) | |
| { | |
| mat.SetFloat("_FlashAmount", flashAmount); | |
| } | |
| } |
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