Problem 558. Is the Point in a Triangle?

Check whether a point or multiple points is/are in a triangle with three corners

 Points = [x, y]; 
 Triangle = [x1, y1; x2, y2; x3, y3]

Return true or false for each point tested.

 For example,
 input: Points = [0, 0.5]; Triangle = [0, 0; 1, 0; 1, 1]
 output: y = 0;

Solve

Last solution submitted on Sep 19, 2019

A C on 29 May 2019

Great!