public void RotatePoint()
{
var map = new MapSurface();
map.SetRotation(Math.PI / 2);
// Rotate about center point 500, 500 -> 0, 0
map.Rotate_point(1000.0, 0.0, out var toX, out var toY);
toX.Should().BeApproximately(0.0, 0.0000001);
toY.Should().BeApproximately(0.0, 0.0000001);
}
public void ZeroRotationDoesNotMovepoint(double testX, double testY)
{
var map = new MapSurface();
map.SetRotation(0);
// Rotate/unrotate about center point 500, 500
map.Rotate_point(testX, testY, out var toX, out var toY);
toX.Should().BeApproximately(testX, 0.0000001);
toY.Should().BeApproximately(testY, 0.0000001);
}
public void RotatePointRoundtrip(double testX, double testY)
{
var map = new MapSurface();
map.SetRotation(Math.PI / 2);
// Rotate/unrotate about center point 500, 500 -> 1000, 0
map.Rotate_point(testX, testY, out var toX, out var toY);
map.Un_rotate_point(toX, toY, out var toX2, out var toY2);
toX2.Should().BeApproximately(testX, 0.0000001);
toY2.Should().BeApproximately(testY, 0.0000001);
}