From eb92a8ef2a3fc4ea86d07db6b690c902c26d647f Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Mon, 4 Oct 2021 10:32:14 +0200
Subject: Update

---
 www/js/p5_custom.js | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 www/js/p5_custom.js

(limited to 'www')

diff --git a/www/js/p5_custom.js b/www/js/p5_custom.js
new file mode 100644
index 0000000..b25e636
--- /dev/null
+++ b/www/js/p5_custom.js
@@ -0,0 +1,15 @@
+
+draw_arrow=function(p,x1,y1,x2,y2){
+    p.push()
+    p.strokeWeight(5)
+    p.line(x1,y1,x2,y2)
+    offset=5
+    var angle = p.atan2(y1 - y2, x1 - x2); //gets the angle of the line
+    p.translate(x2, y2); //translates to the destination vertex
+    p.rotate(angle-p.HALF_PI); //rotates the arrow point
+    p.triangle(-offset*0.8, offset, offset*0.8, offset, 0, -offset/2); //draws the arrow point as a triangle
+    p.pop();
+
+    // Return the center of the arrow
+    return(p.createVector(x1+(x2-x1)/2,y1+(y2-y1)/2))
+}
-- 
cgit v1.2.3