38 lines
1.1 KiB
C#
38 lines
1.1 KiB
C#
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using UnityEngine;
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namespace DestroyIt
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{
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/// <summary>
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/// This script produces a screen-wide fade-in effect. It starts from one color and fades that color out over the specified number of seconds.
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/// </summary>
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public class FadeIn : MonoBehaviour
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{
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public Color startColor = Color.black;
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[Range(0f, 10f)]
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public float fadeLength = 2f; // how long (in seconds) the fade effect lasts
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private Texture2D blackTexture;
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private float alphaFadeValue = 1f;
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void Start()
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{
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blackTexture = new Texture2D(1, 1, TextureFormat.ARGB32, false);
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blackTexture.SetPixel(0, 0, startColor);
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blackTexture.Apply();
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}
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void Update()
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{
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alphaFadeValue -= Mathf.Clamp01(Time.deltaTime / fadeLength);
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if (alphaFadeValue <= 0f)
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Destroy(this);
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}
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void OnGUI()
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{
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GUI.color = new Color(alphaFadeValue, alphaFadeValue, alphaFadeValue, alphaFadeValue);
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GUI.DrawTexture(new Rect(0, 0, Screen.width, Screen.height), blackTexture);
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}
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}
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}
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