35 lines
881 B
C#
35 lines
881 B
C#
using UnityEngine;
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using UnityEngine.UI;
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[RequireComponent (typeof(Graphic))]
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public class ImageBlinker : MonoBehaviour
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{
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[SerializeField] private float speed = 7;
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[SerializeField] private float minAlpha = 0.1f;
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[SerializeField] private float maxAlpha = 0.3f;
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private Graphic graphic;
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private Color originalColor;
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void Start()
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{
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graphic = GetComponent<Graphic>();
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originalColor = graphic.color;
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}
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void Update()
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{
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float sinValue = Mathf.Sin(Time.time * speed);
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float alpha = Remap(sinValue, -1f, 1f, minAlpha, maxAlpha);
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Color color = originalColor;
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color.a = alpha;
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graphic.color = color;
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}
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float Remap(float value, float fromMin, float fromMax, float toMin, float toMax)
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{
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return toMin + (value - fromMin) * (toMax - toMin) / (fromMax - fromMin);
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}
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}
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