BoxVolume.UpdateVolume C# (CSharp) Method

    public void UpdateVolume()
    {
        Vector3 halfBoxSize = boxSize * 0.5f;

        if (meshInstance)
        {
            ScaleMesh(meshInstance, boxSize);

            // Set bounding volume so modified vertices don't get culled
            Bounds bounds = new Bounds();
            bounds.SetMinMax(-halfBoxSize, halfBoxSize);
            meshInstance.bounds = bounds;
        }

        // Set material parameters (coneRadius and coneHeight)
        if (materialInstance)
        {
            materialInstance.SetVector("_BoxMin", new Vector4(-halfBoxSize.x, -halfBoxSize.y, -halfBoxSize.z, (1f/fogTextureScale)));
            materialInstance.SetVector("_BoxMax", new Vector4(halfBoxSize.x, halfBoxSize.y, halfBoxSize.z, fogTextureYMovement));
            materialInstance.SetFloat("_Visibility", visibility);
            materialInstance.SetColor("_Color", volumeColor);
            materialInstance.SetTexture("_MainTex", fogTexture);
        }
    }