kappa top-level property
Control-point offset for a quarter circle: (4/3)·tan(π/8) ≈ 0.5523.
Implementation
final double kappa = (4 / 3) * math.tan(math.pi / 8);
kappa property
Control-point offset for a quarter circle: (4/3)·tan(π/8) ≈ 0.5523.
final double kappa = (4 / 3) * math.tan(math.pi / 8);