From e54edec78fc3f0493e67d39f1a6d64d8a25054fb Mon Sep 17 00:00:00 2001
From: Nick Gasson <nick@nickg.me.uk>
Date: Sat, 30 Aug 2008 17:57:55 +0100
Subject: [PATCH] Calculate correct step sizes

---
 src/ElectricGate.cpp | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/ElectricGate.cpp b/src/ElectricGate.cpp
index 307a14d..85b0b09 100644
--- a/src/ElectricGate.cpp
+++ b/src/ElectricGate.cpp
@@ -139,9 +139,14 @@ void ElectricGate::Draw()
 void Lightning::Build(int length, bool vertical)
 {
    line.SwapXandY(vertical);
+
+   const int POINT_STEP = 20;
+   int npoints = (length / POINT_STEP) + 1;
+   double delta = (double)length / (double)(npoints - 1);
    
-   line.AddPoint(0, 0);
-   line.AddPoint(length, 0);
+   for (int i = 0; i < npoints; i++) {
+      line.AddPoint(i*delta, 0);
+   }
 }
 
 void Lightning::Draw() const
-- 
2.39.2