Lua: finished inputbox with negative and decimal inputs. Added to the repository more than 20(!) new scripts by DawnBringer

git-svn-id: svn://pulkomandy.tk/GrafX2/trunk@1357 416bcca6-2ee7-4201-b75f-2eb2f807beb1

scripts/pal_db_Set3bit.lua

@@ -0,0 +1,32 @@
+--PALETTE Set: 3 Bit (8 Primaries)
+--by Richard Fhager 
+--http://hem.fyristorg.com/dawnbringer/
+
+
+-- Generate palette of all colors possible with a given number of shades for each channel
+-- 2 shades = 1 bit / channel = 3 bit palette = 2^3 colors =  8 colors
+-- 4 shades = 2 bit / channel = 6 bit palette = 2^6 colors = 64 colors
+
+-- Channel shades (shades = 2 ^ bit-depth)
+shades = 2
+
+mult = 255 / (shades-1)
+
+
+colors = {}
+col = 0
+for r = 0, shades-1, 1 do
+  for g = 0, shades-1, 1 do
+    for b = 0, shades-1, 1 do
+       col = col + 1
+       colors[col] = { r*mult, g*mult, b*mult } 
+    end
+  end
+end
+
+
+for c = 1, #colors, 1 do
+
+  setcolor(c-1,colors[c][1],colors[c][2],colors[c][3]) 
+
+end