61 lines
1.8 KiB
C#
61 lines
1.8 KiB
C#
using UnityEngine;
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public class FPSShaderColorGradient : MonoBehaviour
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{
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public string ShaderProperty = "_TintColor";
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public int MaterialID = 0;
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public Gradient Color = new Gradient();
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public float TimeMultiplier = 1;
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private bool canUpdate;
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private Material matInstance;
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private int propertyID;
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private float startTime;
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private Color oldColor;
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// Use this for initialization
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private void Start()
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{
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var rend = GetComponent<Renderer>();
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if (rend != null)
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{
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var mats = rend.materials;
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if (MaterialID >= mats.Length)
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Debug.Log("ShaderColorGradient: Material ID more than shader materials count.");
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matInstance = mats[MaterialID];
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}
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else
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{
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var proj = GetComponent<Projector>();
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var projMat = proj.material;
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if (!projMat.name.EndsWith("(Instance)"))
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matInstance = new Material(projMat) { name = projMat.name + " (Instance)" };
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else
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matInstance = projMat;
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proj.material = matInstance;
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}
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if (!matInstance.HasProperty(ShaderProperty))
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Debug.Log("ShaderColorGradient: Shader not have \"" + ShaderProperty + "\" property");
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propertyID = Shader.PropertyToID(ShaderProperty);
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oldColor = matInstance.GetColor(propertyID);
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}
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private void OnEnable()
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{
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startTime = Time.time;
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canUpdate = true;
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}
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private void Update()
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{
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var time = Time.time - startTime;
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if (canUpdate)
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{
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var eval = Color.Evaluate(time / TimeMultiplier);
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matInstance.SetColor(propertyID, eval * oldColor);
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}
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if (time >= TimeMultiplier)
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canUpdate = false;
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}
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} |