I've tried searching for a javascript function that will detect if two lines intersect each other.  The function will take the x,y values of both the start end points for each line (we'll call them line A and line B).  Is to return true if th...
I have two object literals like so:  var firstObject = {     x: 0,     y: 1,     z: 2,      a: 10,     b: 20,     e: 30 }  var secondObject = {     x: 0,     y: 1,     z: 2,      a: 10,     c: 20,     d: 30 }   I want to get the intersection of the k...
I would like to know if there is a way to find the intersection of a key value pair in an array of objects. Let's say you have an array of three objects which all have the same keys like this :       arrayOfObj = [     {         "a": 1,...
Is it possible in SVG, using any method, to call an even if two specific elements touch? Or would I have to code the long way, and figure out if their borders touch with complicated maths?...
Basically what i want to create:   I have a 3D map with objects, i want to select all objects that are in the 2D box x1,y1 to x2,y2 on my screen.  Any ideas how this has to be done, because i'm clueless on how to start.  Thanks in advance!  prevX...
I come across this math problem which is needed to complete my application, so I'm asking for help.  Given 2 (or more, but basically for 2) rectangles with 2 known points for each: Top-left(x1, y1) and Bottom-right(x2, y2) (I can find the length...
Using ES6's Set, given two arrays we can get the intersection like so:  let a = new Set([1,2,3]) let b = new Set([1,2,4]) let intersect = new Set([...a].filter(i => b.has(i)));   How can we get the intersection of n arrays?  Update:  I'm t...
I'm trying to find the intersection between two ranges (of int values) and (if exists) return an array containing the start and the end of the intersection  example  range 1 : 2,5 range 2 : 4,7  result : 4,5   I found several other topics regardi...
I am trying to find intersection point of opposite lines of two lines:    var ax=0.00, ay=0.50 ; var bx=1.00, by=1.00 ; var cx=2.00, cy=0.25 ;   But I am very confused about finding an opposite of a line.  Here is a jsfiddle which points are converte...

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