43 lines
1.2 KiB
C#
43 lines
1.2 KiB
C#
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using System;
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using UnityEngine;
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using UnityEngine.Events;
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namespace cylvester
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{
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[Serializable]
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class UnityDifferenceTextureEvent : UnityEvent<Texture2D> { }
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public class DifferenceTexture : MonoBehaviour
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{
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[SerializeField] private UnityDifferenceTextureEvent DifferenceTextureReceived;
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private Texture2D cache_;
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private Texture2D difference_;
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private readonly int size_ = 512 * 424 * 2;
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private void Start()
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{
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cache_ = new Texture2D(512, 424, TextureFormat.R16, false);
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difference_ = new Texture2D(512, 424, TextureFormat.R16, false);
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}
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public void OnInfraredFrameReceived(Texture2D texture)
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{
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var rawDifference = difference_.GetPixels();
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var rawNewTexture = texture.GetRawTextureData();
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var rawOldTexture = cache_.GetRawTextureData();
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// perhaps the fastest way to calculate on CPU
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for (var i = 0; i < rawDifference.Length; ++i)
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difference_.Apply();
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Graphics.CopyTexture(texture, cache_);
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DifferenceTextureReceived.Invoke(difference_);
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}
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}
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}
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