public void ToFloatAxial()
{
FloatAxial floatAxial = new FloatCubic( 1f, 2f, 3f ).ToFloatAxial();
Assert.That( floatAxial.q, Is.InRange<float>( 1f - EPSILON, 1f + EPSILON ) );
Assert.That( floatAxial.r, Is.InRange<float>( 3f - EPSILON, 3f + EPSILON ) );
}
public void Scale()
{
FloatCubic floatCubic = new FloatCubic( 1f, 2f, -3f ).Scale( 3f );
Assert.That( floatCubic.x, Is.InRange<float>( 3f - EPSILON, 3f + EPSILON ) );
Assert.That( floatCubic.y, Is.InRange<float>( 6f - EPSILON, 6f + EPSILON ) );
Assert.That( floatCubic.z, Is.InRange<float>( -9f - EPSILON, -9f + EPSILON ) );
}
public void ConstructorXYZ()
{
FloatCubic floatCubic = new FloatCubic( 1f, 2f, 3f );
Assert.That( floatCubic.x, Is.EqualTo( 1f ) );
Assert.That( floatCubic.y, Is.EqualTo( 2f ) );
Assert.That( floatCubic.z, Is.EqualTo( 3f ) );
}
public void ConstructorParameterless()
{
FloatCubic floatCubic = new FloatCubic();
Assert.That( floatCubic.x, Is.EqualTo( 0f ) );
Assert.That( floatCubic.y, Is.EqualTo( 0f ) );
Assert.That( floatCubic.z, Is.EqualTo( 0f ) );
}
public void ConstructorCubic()
{
FloatCubic floatCubic = new FloatCubic( new CubicHexCoord( 1, 2, 3 ) );
Assert.That( floatCubic.x, Is.InRange<float>( 1f - EPSILON, 1f + EPSILON ) );
Assert.That( floatCubic.y, Is.InRange<float>( 2f - EPSILON, 2f + EPSILON ) );
Assert.That( floatCubic.z, Is.InRange<float>( 3f - EPSILON, 3f + EPSILON ) );
}
Line(CubicHexCoord start, CubicHexCoord end)
{
int distance = CubicHexCoord.Distance(start, end);
CubicHexCoord[] result = new CubicHexCoord[distance + 1];
for (int i = 0; i <= distance; i++)
{
float xLerp = start.x + (end.x - start.x) * 1f / distance * i;
float yLerp = start.y + (end.y - start.y) * 1f / distance * i;
float zLerp = start.z + (end.z - start.z) * 1f / distance * i;
result[i] = new FloatCubic(xLerp, yLerp, zLerp).Round();
}
return(result);
}
/// <summary>
/// Returns an array of CubicHexCoords that form the straightest path from the given start
/// to the given end. The hexes in the line are determined by forming a straight line from
/// start to end and linearly interpolating and rounding each of the interpolated points to
/// the nearest hex position.
/// </summary>
/// <param name="start">The CubicHexCoord representing the first hex in the line.</param>
/// <param name="end">The CubicHexCoord representing the last hex in the line.</param>
/// <returns>An array of CubicHexCoords ordered as a line from start to end.</returns>
public static CubicHexCoord[] Line( CubicHexCoord start, CubicHexCoord end )
{
int distance = CubicHexCoord.Distance( start, end );
CubicHexCoord[] result = new CubicHexCoord[ distance + 1 ];
for ( int i = 0; i <= distance; i++ )
{
float xLerp = start.x + ( end.x - start.x ) * 1f / distance * i;
float yLerp = start.y + ( end.y - start.y ) * 1f / distance * i;
float zLerp = start.z + ( end.z - start.z ) * 1f / distance * i;
result[ i ] = new FloatCubic( xLerp, yLerp, zLerp ).Round();
}
return result;
}