43 lines
1.4 KiB
C#
43 lines
1.4 KiB
C#
using System;
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using LANCommander.SDK.Extensions;
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using LANCommander.SDK.Helpers;
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using LANCommander.SDK.PowerShell.Models;
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using System.Linq;
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using System.Management.Automation;
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namespace LANCommander.SDK.PowerShell.Cmdlets
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{
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[Cmdlet(VerbsCommon.Get, "VerticalFov")]
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[OutputType(typeof(string))]
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public class GetHorizontalFovCmdlet : BaseCmdlet
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{
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[Parameter] public int Width { get; set; } = 0;
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[Parameter] public int Height { get; set; } = 0;
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[Parameter] public int BaseFov { get; set; } = 90;
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protected override void ProcessRecord()
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{
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var screen = DisplayHelper.GetScreen();
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if (Width == 0)
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Width = screen.Width;
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if (Height == 0)
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Height = screen.Height;
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WriteObject((int)GetHorizontalFovFromResolution(Width, Height, BaseFov));
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}
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private double GetHorizontalFovFromResolution(int width, int height, double baseFov)
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{
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double baseAspectRatio = 4.0 / 3.0;
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double currentAspectRatio = (double)width / height;
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double baseHFovRadians = Math.PI * baseFov / 180.0;
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double scaledHFovRadians = 2 * Math.Atan(Math.Tan(baseHFovRadians / 2) * (currentAspectRatio / baseAspectRatio));
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double scaledHFov = scaledHFovRadians * 180.0 / Math.PI;
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return Math.Round(scaledHFov, 0);
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}
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}
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}
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