point-plane v0.0.0

pointPlane

Determines if given point is above, on or below plane made by 3 other given points.

Install

	npm install point-plane

Example

var pointPlane = require("pointPlane")

console.log(pointPlane(
	[-1,-1,0],
	[-1,1,0],
	[1,-1,0],
	[0,0,1]))

API

require("pointPlane")(a,b,c,d)

Determines if given point d is above, on or below plane made by 3 other given points (a, b, and c).

• a, b, c, and d are 3-D points encoded as arrays of length 3.

Returns 1 if above plane, 0 if on plane, and -1 if below plane.

Credits

(c) 2013 Brandon Korf. MIT License