compare-angle
Let A, B, C and D be four points in the plan. Then of the pair of angles ABC and ABD, determine which is larger.
C
* D
\ *
\ABC/
\ / ABD
*-------------*
B A
Example
var compareAngle = var A = 2 0var B = 0 0var C = -1 2var D = 1 1 console
Output:
1 -1
Install
npm install compare-angle
API
require("compare-angle")(a, b, c, d)
Compares the angles ABC and ABD to determine which is greater.
a
,b
are the base points of the anglec
is the end of the first angled
is the end of the second angle
Returns A number indicating which angle is larger
+1
if angle ABC is greater than angle ABD0
if the angles are equal-1
if angle ABD is greater than angle ABC
Credits
(c) 2014 Mikola Lysenko. MIT License