public void APointRotatedAlongZWith270DegreesIsRight()
{
var pivot = new float3(-1f, 0, 0);
var rotatedPoint = RotationUtils.RotateAbout(pivot, 270, 1f);
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Less(pivot.x, rotatedPoint.z, "The rotated point is not to the right of the pivot!");
}
public void APointRotatedAlongZWith90DegreesIsLeft()
{
var pivot = new float3(0, 0, 0);
var rotatedPoint = RotationUtils.RotateAbout(pivot, 90, 1f);
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Greater(pivot.x, rotatedPoint.z, "The rotated point is not to the left of the pivot!");
}
public void APointRotatedAlongZWith180DegreesIsInBack()
{
var pivot = new float3(0, 0, 1f);
var rotatedPoint = RotationUtils.RotateAbout(pivot, 180f, 1f);
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Greater(pivot.z, rotatedPoint.z, "The rotated point is not behind the pivot!");
}
public void APointRotatedAlongZWithZeroDegreesIsInFront()
{
var pivot = new float3(0, 0, 0);
var rotatedPoint = RotationUtils.RotateAbout(pivot, 0f, 1f);
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Less(pivot.z, rotatedPoint.z, "The rotated point is not in front of the pivot!");
}
public void OneAndFourOClockMake120()
{
var fourOClock = RotationUtils.RotateAbout(float3.zero, 120, 1);
var deg = VectorUtils.AngleDeg(forward, fourOClock);
Assert.AreEqual(120, deg, "Angle mismatch!");
var rad = VectorUtils.Angle(forward, fourOClock);
Assert.AreEqual(120f * ((float)math.PI) / 180f, rad, "Angle mismatch!");
}
public void APointRotatedAlongAnAxisAboutAPivotIsRotatedForwards()
{
var pivot = new float3(0, 0, 0);
var backwards = new float3(0, 0, -1f);
var rotatedPoint = RotationUtils.RotateAbout(backwards, pivot, math.up(), 180f);
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Less(pivot.z, rotatedPoint.z, "The rotated point is not in front of the pivot!");
}
public void APointRotatedAlongAnAxisAboutAPivotIsRotatedBackwards()
{
var pivot = new float3(0, 0, 0);
var forward = new float3(0, 0, 1f);
var rotatedPoint = RotationUtils.RotateAbout(forward, pivot, math.up(), 180f);
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Greater(pivot.z, rotatedPoint.z, "The rotated point is not behind the pivot!");
}
public void APointAlongZWithBackwardIsRotatedForwards()
{
var pivot = new float3();
var backward = new float3(0, 0, -1f);
var rotatedPoint = RotationUtils.RotateAbout(pivot, backward, new float3(0, 180f, 0));
Debug.LogFormat("<color=#00ff00ff>Pivot: {0}, Rotated Point: {1}</color>", pivot, rotatedPoint);
Assert.Less(pivot.z, rotatedPoint.z, "The rotated point is not in front of the pivot!");
}
private void OnDrawGizmos()
{
Gizmos.color = pointColor;
Gizmos.DrawSphere(point, radius);
Gizmos.DrawLine(pivot, point);
Gizmos.color = pivotColor;
Gizmos.DrawSphere(pivot, radius);
Gizmos.color = rotatedPointColor;
var rotatedPoint = RotationUtils.RotateAbout(pivot, point, angle);
Gizmos.DrawSphere(rotatedPoint, radius);
Gizmos.DrawLine(pivot, rotatedPoint);
}
