From 13e6c382be348312e345224856655f836c89a886 Mon Sep 17 00:00:00 2001
From: Nyeogmi <economicsbat@gmail.com>
Date: Sat, 17 Dec 2022 13:30:48 -0800
Subject: [PATCH] My fat bresenham implementation is really slow

---
 chameleonic.p8 | 35 ++++++++++++++---------------------
 1 file changed, 14 insertions(+), 21 deletions(-)

diff --git a/chameleonic.p8 b/chameleonic.p8
index 81e043f..a2219d2 100644
--- a/chameleonic.p8
+++ b/chameleonic.p8
@@ -967,34 +967,27 @@ function rope:_rast(
  if (y0<y1) sy=1
 	
  local done=false,err
- local queue={}
  if dx>dy then
   err=dx/2.0
   return function()
-   if (queue==nil) return 
-   if (x==x1) queue=nil return x1,y1
-   if #queue==0 then
-    add(queue,{x,y})
-    err-=dy
-    if (err<0) y+=sy add(queue,{x,y}) err+=dx
-    x+=sx
-   end
-   return unpack(deli(queue,1))
+   if (done) return 
+   if (x==x1) done=true return x1,y1
+   local oldx,oldy=x,y
+   err-=dy
+   if (err<0) y+=sy err+=dx
+   x+=sx
+   return oldx,oldy
   end
  else
   err=dy/2.0
   return function()
-   if (queue==nil) return
-   if (y==y1) queue=nil return x1,y1
-   if #queue==0 then
-    add(queue,{x,y})
-   
-    local oldx,oldy=x,y
-    err-=dx
-    if (err<0) x+=sx add(queue,{x,y}) err+=dy
-    y+=sy
-   end
-   return unpack(deli(queue,1))
+   if (done) return
+   if (y==y1) done=true return x1,y1
+   local oldx,oldy=x,y
+   err-=dx
+   if (err<0) x+=sx err+=dy
+   y+=sy
+   return oldx,oldy
   end
  end
 end