private static void TestHSIToColor3(
float hue, float saturation, float intensity,
float expectedC1, float expectedC2, float expectedC3)
{
float c1;
float c2;
float c3;
HSxUtils.HSIToColor3(hue, saturation, intensity, out c1, out c2, out c3);
Assert.That(c1, Is.EqualTo(expectedC1).Within(Epsilon));
Assert.That(c2, Is.EqualTo(expectedC2).Within(Epsilon));
Assert.That(c3, Is.EqualTo(expectedC3).Within(Epsilon));
}
private static void TestColor3ToHSI(
float c1, float c2, float c3,
float expectedHue, float expectedSaturation, float expectedIntensity)
{
float hue;
float saturation;
float intensity;
HSxUtils.Color3ToHSI(c1, c2, c3, out hue, out saturation, out intensity);
Assert.That(hue, Is.EqualTo(expectedHue).Within(Epsilon));
Assert.That(saturation, Is.EqualTo(expectedSaturation).Within(Epsilon));
Assert.That(intensity, Is.EqualTo(expectedIntensity).Within(Epsilon));
}
private static void TestColor3ToHSV(
float c1, float c2, float c3,
float expectedHue, float expectedSaturation, float expectedValue)
{
float hue;
float saturation;
float value;
HSxUtils.Color3ToHSV(c1, c2, c3, out hue, out saturation, out value);
Assert.That(hue, Is.EqualTo(expectedHue).Within(Epsilon));
Assert.That(saturation, Is.EqualTo(expectedSaturation).Within(Epsilon));
Assert.That(value, Is.EqualTo(expectedValue).Within(Epsilon));
}
private static void TestColor3ToHSL(
float c1, float c2, float c3,
float expectedHue, float expectedSaturation, float expectedLightness)
{
float hue;
float saturation;
float lightness;
HSxUtils.Color3ToHSL(c1, c2, c3, out hue, out saturation, out lightness);
Assert.That(hue, Is.EqualTo(expectedHue).Within(Epsilon));
Assert.That(saturation, Is.EqualTo(expectedSaturation).Within(Epsilon));
Assert.That(lightness, Is.EqualTo(expectedLightness).Within(Epsilon));
}
public void HSLToColor3_is_inverse_of_Color3ToHSL()
{
for (float r = 0; r <= 1; r += Color3Step)
{
for (float g = 0; g <= 1; g += Color3Step)
{
for (float b = 0; b <= 1; b += Color3Step)
{
float hue, saturation, lightness;
HSxUtils.Color3ToHSL(r, g, b, out hue, out saturation, out lightness);
TestHSLToColor3(hue, saturation, lightness, r, g, b);
}
}
}
}
public void HSIToColor3_is_inverse_of_Color3ToHSI()
{
for (float r = 0; r <= 1; r += Color3Step)
{
for (float g = 0; g <= 1; g += Color3Step)
{
for (float b = 0; b <= 1; b += Color3Step)
{
float hue, saturation, intensity;
HSxUtils.Color3ToHSI(r, g, b, out hue, out saturation, out intensity);
TestHSIToColor3(hue, saturation, intensity, r, g, b);
}
}
}
}
public void HSVToColor3_is_inverse_of_Color3ToHSV()
{
for (float r = 0; r <= 1; r += Color3Step)
{
for (float g = 0; g <= 1; g += Color3Step)
{
for (float b = 0; b <= 1; b += Color3Step)
{
float hue, saturation, value;
HSxUtils.Color3ToHSV(r, g, b, out hue, out saturation, out value);
TestHSVToColor3(hue, saturation, value, r, g, b);
}
}
}
}