HitTester constructor
Implementation
HitTester(IAABB area, [double tolerance = 0.25])
: _windings =
List<int>.filled(area.width * area.height, 0, growable: false),
_firstX = 0,
_firstY = 0,
_prevX = 0,
_prevY = 0,
_offsetX = area.left.toDouble(),
_offsetY = area.top.toDouble(),
_iwidth = area.width,
_height = area.height.toDouble(),
_tolerance = tolerance,
_expectsMove = true;