public void ShouldInterpolateByAngle(
float startValue, float endValue, float interpolateValue, int expectedSteps
)
{
var lerp = new LerpAngle(startValue);
lerp.SetEndValue(endValue);
Assert.That(
lerp.EvalAngle(0f), Is.EqualTo(lerp.StartValue).Within(1f),
"Fail to validate start value"
);
for (int i = 0; i < expectedSteps - 1; i++)
{
var value = lerp.EvalAngle(interpolateValue);
Assert.That(
value,
Is.Not.EqualTo(lerp.EndValue).Within(.1f),
$"Was equal on {i} interaction"
);
}
Assert.That(
lerp.EvalAngle(interpolateValue), Is.EqualTo(lerp.EndValue).Within(1f),
"Fail to validate end value"
);
}
public void ShouldInterpolateOriginalAngleWhenCheckMinPathIsDisabled()
{
var startValue = -135f;
var endValue = 135f;
var interpolateAmount = 1f;
var expectedSteps = 270;
var lerp = new LerpAngle(startValue)
{
CheckMinPath = false
};
lerp.SetEndValue(135f);
Assert.That(
lerp.EvalAngle(0f), Is.EqualTo(startValue).Within(1f),
"Fail to validate start value"
);
for (int i = 0; i < expectedSteps - 1; i++)
{
var value = lerp.EvalAngle(interpolateAmount);
Assert.That(
value,
Is.Not.EqualTo(endValue).Within(.1f),
$"Was equal on {i} interaction"
);
}
Assert.That(
lerp.EvalAngle(interpolateAmount), Is.EqualTo(endValue).Within(1f),
"Fail to validate end value"
);
}
public void ShouldRetainStateOfInterpolationWhenChangeEndValue()
{
var startValue = 0f;
var middleValue = 10f;
var endValue = 20f;
var interpolateAmount = 1f;
var lerp = new LerpAngle(startValue)
{
RetainState = true
};
lerp.SetEndValue(middleValue);
Assert.That(
lerp.EvalAngle(0f), Is.EqualTo(startValue).Within(1f),
"Fail to validate start value"
);
for (int i = 0; i < 5 - 1; i++)
{
var value = lerp.EvalAngle(interpolateAmount);
Assert.That(
value,
Is.Not.EqualTo(5f).Within(.1f),
$"Was equal on {i} interaction"
);
}
lerp.SetEndValue(20f);
Assert.That(
lerp.EvalAngle(interpolateAmount), Is.EqualTo(5f).Within(.1f),
"Fail to validate middle pathway value"
);
for (int i = 0; i < 15 - 1; i++)
{
var value = lerp.EvalAngle(interpolateAmount);
Assert.That(
value,
Is.Not.EqualTo(endValue).Within(.1f),
$"Was equal on {i} interaction"
);
}
Assert.That(
lerp.EvalAngle(interpolateAmount), Is.EqualTo(endValue).Within(1f),
"Fail to validate end value"
);
}