From 0ee05c63d5c022acb50065d6333fe56069be4d03 Mon Sep 17 00:00:00 2001
From: Andrew Cady <d@jerkface.net>
Date: Fri, 15 Mar 2019 16:58:54 -0400
Subject: fill out stubbed code based on existing code

also removed the unused definition
---
 shelves.hs | 113 +++++++++++++++++++++----------------------------------------
 1 file changed, 38 insertions(+), 75 deletions(-)

diff --git a/shelves.hs b/shelves.hs
index 6ed051a..0ea28ee 100644
--- a/shelves.hs
+++ b/shelves.hs
@@ -1,93 +1,56 @@
+{-# LANGUAGE RecordWildCards #-}
 import           Control.Lens
 import           Graphics.OpenSCAD
 import           Linear.V3
 
 genscad :: [(V3 Double, V3 Double)] -> String
-genscad = render . union . map transBox
-  where
-    transBox :: (V3 Double, V3 Double) -> Model3d
-    transBox (V3 x1 y1 z1, V3 x2 y2 z2) = translate (x1,y1,z1) $ box x2 y2 z2
-
-data Shelf
-
-myShelf :: Shelf
-myShelf = undefined
-
-modelShelf :: Shelf -> Model3d
-modelShelf = undefined
-
-main :: IO ()
-main = draw $ modelShelf myShelf
-
-shelf_thickness :: Double
-shelf_thickness = 0.5
-shelf_width :: Double
-shelf_width = 8
-shelf_length :: Double
-shelf_length = 36 * 2
-shelf_dim :: V3 Double
-shelf_dim = V3 shelf_length shelf_width shelf_thickness
-
-shelf_heights :: [Double]
-shelf_heights = [12, 10, 8, 8, 8, 8, 8]
-
--- working algorithm doing the same as `scanl (+) 0 shelf_heights`
---acc [] = [0]
---acc xs = acc(init xs) ++ [sum xs]
-
-shelf_height :: Double
-shelf_height = (sum shelf_heights) + (shelf_dim ^. _z * (fromIntegral (length shelf_heights) + 1))
+genscad = render . transBoxes
 
-side_dim :: V3 Double
-side_dim = V3 0.5 shelf_width shelf_height
+transBoxes :: [(V3 Double, V3 Double)] -> Model Vector3d
+transBoxes = union . map transBox
 
---shelf_y_poss = scanl (+) 0 shelf_heights
-shelf_y_poss :: [Double]
-shelf_y_poss = scanl (+) 0 [h+shelf_thickness| h <- shelf_heights]
-shelves_pos :: [V3 Double]
-shelves_pos = [V3 (side_dim ^. _x) 0 y | y <- shelf_y_poss]
-shelves :: [(V3 Double, V3 Double)]
-shelves = [(p, shelf_dim) | p <- shelves_pos]
+transBox :: (V3 Double, V3 Double) -> Model3d
+transBox (V3 x1 y1 z1, V3 x2 y2 z2) = translate (x1,y1,z1) $ box x2 y2 z2
 
---sides = [(V3 0 0 0, side_dim), (V3 (side_dim ^. _x + shelf_length) 0 0, side_dim)]
-sides_pos :: [V3 Double]
-sides_pos = [V3 0 0 0, V3 (side_dim ^. _x + shelf_length) 0 0]
-sides :: [(V3 Double, V3 Double)]
-sides = [(p, side_dim) | p <- sides_pos]
+type Inches = Double
 
---V3_to_string v = drop 3 (show v)
+data Shelf = Shelf {
+  shelfThickness :: Inches,
+  shelfWidth     :: Inches,
+  shelfLength    :: Inches,
+  shelfHeights   :: [Inches],
+  shelfSideDimX  :: Inches
+}
 
---scad_place (p,d)  = "translate([ " ++ _V32s(p) ++ " ]) { cube([ " ++ _V32s(d) ++ " ]);}"
---genscad objs = concat $ map (++ "\n") $ map scad_place objs
+shelfDim :: Shelf -> V3 Inches
+shelfDim Shelf{..} = V3 shelfLength shelfWidth shelfThickness
 
-scadshelf :: String
-scadshelf = genscad $ shelves ++ sides
-
---gen_shelf :: [Fractional] -> Fractional -> Fractional -> [Char]
---gen_shelf shelf_heights depth length =
-
-
-
--- main :: IO ()
--- main = do putStrLn scadshelf
-
-
-
---main = map (putStrLn) ["one", "two"]
-
---genshelf = genscad $ shelves ++ sides
+shelves' :: Shelf -> [(V3 Double, V3 Double)]
+shelves' s@Shelf{..} = [(p, shelfDim s) | p <- shelvesPos]
+  where
+    shelfHeight = (sum shelfHeights) + (shelfDim s ^. _z * (fromIntegral (length shelfHeights) + 1))
 
---main = map print $ gen_scad $ shelves ++ sides
+    shelfSideDim :: V3 Inches
+    shelfSideDim = V3 shelfSideDimX shelfWidth shelfHeight
 
---scad_place_sides = map (scad_place_board) [[[V3 0 0 0], side_dim], [[V3 side_dim ^. _x, 0, 0], side_dim]]
+    shelfYPos :: [Inches]
+    shelfYPos = scanl (+) 0 [h+shelfThickness| h <- shelfHeights]
 
---scad_place_shelf vpos = scad_place_board show([0, vpos, 0]) show(shelfd)
+    shelvesPos :: [V3 Double]
+    shelvesPos = [V3 (shelfSideDim ^. _x) 0 y | y <- shelfYPos]
 
+myShelf :: Shelf
+myShelf = Shelf {
+  shelfThickness = 0.5,
+  shelfWidth = 8,
+  shelfLength = 36 * 2,
+  shelfHeights = [12, 10, 8, 8, 8, 8, 8],
+  shelfSideDimX = 0.5
+}
 
---genscad shelves ++ sides
+modelShelf :: Shelf -> Model3d
+modelShelf = transBoxes . shelves'
 
---gen_openscad = map (scad_place_piece
+main :: IO ()
+main = draw $ modelShelf myShelf
 
---accu [x] = x
---accu xs = sum(xs) ++ accu(tail xs)
--- OUTPUT: [0,5,8,10]
-- 
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