179 lines
13 KiB
C#
179 lines
13 KiB
C#
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using NUnit.Framework;
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namespace UnityEngine.Rendering.Tests
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{
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class LightUnitTests
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{
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GameObject go;
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const float epsilon = 0.001f;
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[SetUp]
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public void Setup()
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{
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GameObject go = new GameObject("Light", typeof(Light));
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}
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[TearDown]
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public void TearDown()
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{
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GameObject.Destroy(go);
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}
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[Test]
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public void LightUnitSupport()
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{
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// Directional and box lights should only support Lux
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LightType t = LightType.Directional;
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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t = LightType.Box;
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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// Point lights should only support Lumen, Candela, Lux, EV100
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t = LightType.Point;
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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// Spot lights should only support Lumen, Candela, Lux, EV100
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t = LightType.Spot;
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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// Area lights should only support Lumen, Nits, EV100
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t = LightType.Rectangle;
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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t = LightType.Disc;
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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t = LightType.Tube;
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lumen));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Candela));
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Assert.False(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Lux));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Nits));
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Assert.True(LightUnitUtils.IsLightUnitSupported(t, LightUnit.Ev100));
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}
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[Test]
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public void DirectionalAndBoxLightUnitConversion()
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{
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Light l = GameObject.FindAnyObjectByType<Light>().GetComponent<Light>();
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l.type = LightType.Directional;
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Assert.AreEqual(3f, LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Lux));
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l.type = LightType.Box;
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Assert.AreEqual(3f, LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Lux));
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}
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[Test]
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public void PointLightUnitConversion()
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{
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// Point light
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Light l = GameObject.FindAnyObjectByType<Light>().GetComponent<Light>();
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l.type = LightType.Point;
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l.luxAtDistance = 3f;
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Candela), Is.EqualTo(3f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Candela), Is.EqualTo(0.238732412f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Lumen), Is.EqualTo(37.6991119f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Lux), Is.EqualTo(0.0265258234f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Lumen), Is.EqualTo(339.292023f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Ev100), Is.EqualTo(0.933466434f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lumen), Is.EqualTo(12.566371f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Lux), Is.EqualTo(0.333333343f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Candela), Is.EqualTo(27.0f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Ev100), Is.EqualTo(4.58496237f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Candela), Is.EqualTo(1f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Ev100), Is.EqualTo(7.75488758f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lux), Is.EqualTo(0.111111112f).Within(epsilon));
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}
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[Test]
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public void SpotLightUnitConversion()
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{
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Light l = GameObject.FindAnyObjectByType<Light>().GetComponent<Light>();
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l.type = LightType.Spot;
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l.enableSpotReflector = false;
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l.luxAtDistance = 3f;
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Candela), Is.EqualTo(3f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Candela), Is.EqualTo(0.238732412f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Lumen), Is.EqualTo(37.6991119f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Lux), Is.EqualTo(0.0265258234f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Lumen), Is.EqualTo(339.292023f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Ev100), Is.EqualTo(0.933466434f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lumen), Is.EqualTo(12.566371f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Lux), Is.EqualTo(0.333333343f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Candela), Is.EqualTo(27.0f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Ev100), Is.EqualTo(4.58496237f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Candela), Is.EqualTo(1f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Ev100), Is.EqualTo(7.75488758f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lux), Is.EqualTo(0.111111112f).Within(epsilon));
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l.enableSpotReflector = true;
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Candela), Is.EqualTo(3f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Candela), Is.EqualTo(14.0125141f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Lumen), Is.EqualTo(0.642283022f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Lux), Is.EqualTo(1.55694604f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Lumen), Is.EqualTo(5.78054714f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Ev100), Is.EqualTo(6.80864382f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lumen), Is.EqualTo(0.214094341f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Lux), Is.EqualTo(0.333333343f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Candela), Is.EqualTo(27.0f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Candela, LightUnit.Ev100), Is.EqualTo(4.58496237f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Candela), Is.EqualTo(1f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lux, LightUnit.Ev100), Is.EqualTo(7.75488758f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lux), Is.EqualTo(0.111111112f).Within(epsilon));
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}
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[Test]
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public void AreaLightUnitConversion()
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{
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Light l = GameObject.FindAnyObjectByType<Light>().GetComponent<Light>();
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l.areaSize = new Vector2(4f, 5f);
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l.type = LightType.Rectangle;
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Nits), Is.EqualTo(0.0477464795f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Nits, LightUnit.Lumen), Is.EqualTo(188.495575f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Ev100), Is.EqualTo(-1.38846159f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lumen), Is.EqualTo(62.8318558f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Nits, LightUnit.Ev100), Is.EqualTo(4.58496237f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Nits), Is.EqualTo(1f).Within(epsilon));
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l.type = LightType.Disc;
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Nits), Is.EqualTo(0.0189977214f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Nits, LightUnit.Lumen), Is.EqualTo(473.741028f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Ev100), Is.EqualTo(-2.71802998f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lumen), Is.EqualTo(157.913681f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Nits, LightUnit.Ev100), Is.EqualTo(4.58496237f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Nits), Is.EqualTo(1f).Within(epsilon));
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l.type = LightType.Tube;
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Nits), Is.EqualTo(0.0596831031f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Nits, LightUnit.Lumen), Is.EqualTo(150.796448f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Lumen, LightUnit.Ev100), Is.EqualTo(-1.06653357f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Lumen), Is.EqualTo(50.2654839f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Nits, LightUnit.Ev100), Is.EqualTo(4.58496237f).Within(epsilon));
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Assert.That(LightUnitUtils.ConvertIntensity(l, 3f, LightUnit.Ev100, LightUnit.Nits), Is.EqualTo(1f).Within(epsilon));
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}
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}
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}
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