Leonid PershinandClaude Opus 4.8
a684c23cd9
CI / build-test (push) Successful in 1m11s
Climate (Core) layers a continuous seasonal-plus-daily temperature and the current season over the Calendar, registered via context.UseClimate. A new Lighting module (Graphics) adds DayNight: a daylight factor and ambient color from the calendar's time of day, pushed into the renderer's new AmbientLight (multiplied into world-space sprites only, so the scene darkens at night while screen-space overlays stay readable) and exposed as a sampleable SampleAt for the simulation. Both deterministic and GPU-free, covered by tests; docs updated. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
55 lines
1.4 KiB
C#
55 lines
1.4 KiB
C#
using MrGameEng.Core;
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using MrGameEng.Lighting;
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using Xunit;
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namespace MrGameEng.Lighting.Tests;
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public class DayNightTests
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{
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private static (GameClock Clock, DayNight DayNight) Make()
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{
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var clock = new GameClock();
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var calendar = new Calendar(clock, secondsPerDay: 24f); // 1 second = 1 in-game hour
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return (clock, new DayNight(calendar, DayNightSettings.Default));
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}
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[Fact]
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public void Daylight_ZeroAtMidnight_OneAtNoon()
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{
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var (clock, dayNight) = Make();
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Assert.Equal(0f, dayNight.Daylight, 3); // 00:00
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clock.Advance(12f); // 12:00
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Assert.Equal(1f, dayNight.Daylight, 3);
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}
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[Fact]
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public void Daylight_RisesFromDawnToNoon()
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{
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var (clock, dayNight) = Make();
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clock.Advance(6f); // 06:00
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var dawn = dayNight.Daylight;
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clock.Advance(3f); // 09:00
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var mid = dayNight.Daylight;
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clock.Advance(3f); // 12:00
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var noon = dayNight.Daylight;
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Assert.True(dawn < mid && mid < noon, "daylight should rise from dawn to noon");
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}
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[Fact]
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public void Ambient_DarkerAtNightThanAtNoon()
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{
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var (clock, dayNight) = Make();
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var night = dayNight.Ambient; // 00:00
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clock.Advance(12f); // 12:00
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var noon = dayNight.Ambient;
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Assert.True(night.R < noon.R && night.G < noon.G && night.B < noon.B);
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Assert.Equal(255, noon.R); // day color is white at noon
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}
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}
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