Line-Line intersection for y=mx+c

[Chrisir]

Trying to understand the "Substrate" algorithm

Hi @solub. Here is an example of line-line collision detection – it returns true-false, but you can also return a PVector with the intersection point, which is very useful for truncating a growing line at exactly the right place after it crosses. /** * Line-Line collision detection * http://www.jeffreythompson.org/collision-detection/line-line.php */ boolean lineLine(float x1, float y1, float x2, float y2, float x3, float y3, float x4, float y4) { // calculate the distance to intersection…