VisionExample.cs

using UnityEngine;
using NatCamU.Core;
using NatCamU.Pro;
using OpenCVForUnity;
    
public class VisionExample : OpenCVBehaviour {
       
    // This function is called on every frame where the preview matrix is updated
    public override void OnMatrix () {
        // Do stuff with the preview matrix
        Imgproc.line(matrix, new Point(0, 0), new Point(matrix.cols(), matrix.rows()), new Scalar(255, 0, 0, 255), 4);
        // Now, we want to convert the matrix to a texture for display
        // The OpenCVBehaviour class provides a helper method to do so
        FlushMatrix();
        // Now the `texture` variable contains the result of whatever was in our matrix
        // Let's display the texture onto our RawImage
        preview.texture = texture;
    }
}