[DUPLICATE] one question about "canvas.getLineIntersection"

[cinetec_tech]

Hi,

I need to get the line ID when I double-click the line, but canvas.getLineIntersection always returns -1. Here is an example I modified it from the sample "canvas_02". What's wrong with my code?

 

More detailed description here: https://developer.unigine.com/forum/topic/2950-maybe-bugs-in-canvasgetlineintersection-and-canvasgetpolygonintersection/

canvas_03.cpp

canvas_03.world