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[wpimath] Fix Rotation2d interpolation in Java (#4125)

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Fixes #4112.
This commit is contained in:
Tyler Veness
2022-03-29 08:42:43 -07:00
committed by GitHub
parent 2e462a19d3
commit b4620f01f9
2 changed files with 16 additions and 1 deletions
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15
wpimath/src/test/java/edu/wpi/first/math/geometry/Rotation2dTest.java
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@@ -76,4 +76,19 @@ class Rotation2dTest {
var rot2 = Rotation2d.fromDegrees(43.5);
assertNotEquals(rot1, rot2);
}
@Test
void testInterpolate() {
// 50 + (70 - 50) * 0.5 = 60
var rot1 = Rotation2d.fromDegrees(50);
var rot2 = Rotation2d.fromDegrees(70);
var interpolated = rot1.interpolate(rot2, 0.5);
assertEquals(60.0, interpolated.getDegrees(), 1e-2);
// -160 minus half distance between 170 and -160 (15) = -175
var rot3 = Rotation2d.fromDegrees(170);
var rot4 = Rotation2d.fromDegrees(-160);
interpolated = rot3.interpolate(rot4, 0.5);
assertEquals(-175.0, interpolated.getDegrees());
}
}