korlibs-math-vector/korlibs.math.geom/Vector2D/Companion/orientation

orientation

fun orientation(p1: Vector2D, p2: Vector2D, p3: Vector2D, up: Vector2D = UP): Double

< 0 left, > 0 right, 0 collinear

fun orientation(ax: Float, ay: Float, bx: Float, by: Float, cx: Float, cy: Float, up: Vector2D = UP): Float

fun orientation(ax: Double, ay: Double, bx: Double, by: Double, cx: Double, cy: Double, up: Vector2D = UP): Double