recovered from image

I probably forgot to save and commit :(
at least I had the image this time :)

2019/sketch_190130a/sketch_190130a.pyde

@@ -3,12 +3,16 @@ def setup():
     
 def draw():
     background(200)
-    r = 200
+    r = 100
     p1 = PVector(200, 250)
-    p2 = PVector(mouseX, mouseY)
-    ellipse(p1.x, p1.y, r, r)
+    p2 = PVector(mouseX, 250)
+    ellipse(p1.x, p1.y, r * 2, r * 2)
     line(p1.x, p1.y, p2.x, p2.y)
     d = dist(p1.x, p1.y, p2.x, p2.y)
     theta = asin(r / d)
     beta = TWO_PI - HALF_PI - theta
     print(degrees(theta))
+    x = cos(beta) * r
+    y = sin(beta) * r
+    line(p1.x, p1.y, p1.x - x, p1.y - y)
+    line(p2.x, p2.y, p1.x - x, p1.y - y)