From 17a58e0c4c67f27d87635bf1b2ca50fb11795ad3 Mon Sep 17 00:00:00 2001
From: Joris Guyonvarch
Date: Sat, 7 Mar 2015 15:12:02 +0100
Subject: Organizing source code with subdirectories

---
 src/Update/CloudUpdate.elm | 106 +++++++++++++++++++++++++++++++++++++++++++++
 src/Update/Update.elm      |  54 +++++++++++++++++++++++
 2 files changed, 160 insertions(+)
 create mode 100644 src/Update/CloudUpdate.elm
 create mode 100644 src/Update/Update.elm

(limited to 'src/Update')

diff --git a/src/Update/CloudUpdate.elm b/src/Update/CloudUpdate.elm
new file mode 100644
index 0000000..86f7e13
--- /dev/null
+++ b/src/Update/CloudUpdate.elm
@@ -0,0 +1,106 @@
+module Update.CloudUpdate
+  ( cloudUpdate
+  ) where
+
+import List
+import Random (..)
+
+import Model.Vec2 (..)
+import Model.Player (..)
+import Model.Board (boardSize, boardDiagonal)
+import Model.Point (..)
+import Model.Cloud (..)
+import Model.Config (..)
+
+import Utils.Geometry (..)
+import Utils.Physics (getMove, getWaveMove)
+
+cloudUpdate : Float -> Seed -> Player -> Cloud -> (Cloud, Int, Seed)
+cloudUpdate time seed player {points, spawn, lastSpawn} =
+  let pointsToCatch = presentPoints time (points player.config)
+      presentAndNotCaughtPoints = List.filter (not << (playerPointCollision time player)) pointsToCatch
+      addScore = (List.length pointsToCatch) - (List.length presentAndNotCaughtPoints)
+      presentOtherPoints = presentPoints time (points (otherConfig player.config))
+      (newCloud, seed''') =
+        if time > lastSpawn + spawn then
+          let (newPoint1, seed') = getNewPoint time seed
+              (newPoint2, seed'') = getNewPoint time seed'
+          in  ( { points config =
+                    if(config == player.config)
+                      then
+                        newPoint1 :: presentAndNotCaughtPoints
+                      else
+                        newPoint2 :: presentOtherPoints
+                , spawn = spawn - sqrt(spawn) / 50
+                , lastSpawn = time
+                }
+              , seed''
+              )
+        else
+          ( { points config =
+                if(config == player.config) then
+                  presentAndNotCaughtPoints
+                else
+                  presentOtherPoints
+            , spawn = spawn
+            , lastSpawn = lastSpawn
+            }
+          , seed
+          )
+  in  (newCloud, addScore, seed''')
+
+presentPoints : Float -> List Point -> List Point
+presentPoints time points =
+  let isPresent point = (distance (pointMove point time) originVec) < pointAwayDist
+  in  List.filter isPresent points
+
+
+getNewPoint : Float -> Seed -> (Point, Seed)
+getNewPoint time seed =
+  let (initPos, seed') = pointInitPos seed
+      (initDest, seed'') = pointDestination seed'
+  in  ( { initTime = time
+        , initPos = initPos
+        , initDest = initDest
+        , move initTime initPos initDest time =
+            let delta = time - initTime
+                move = getWaveMove (pointSpeed delta) (initDest `sub` initPos) 10 10
+            in  initPos `add` move
+        }
+      , seed''
+      )
+
+pointInitPos : Seed -> (Vec2, Seed)
+pointInitPos seed =
+  let (rand, seed') = generate floatGen seed
+      angle = rand * (degrees 360)
+      dist = boardDiagonal * 3 / 5
+  in  (polarToCartesian angle dist, seed')
+
+pointDestination : Seed -> (Vec2, Seed)
+pointDestination seed =
+  let ([r1, r2, r3, r4], seed') = generateMany 4 floatGen seed
+  in  ( randomBoardPosition (r1, r2) (r3, r4)
+      , seed'
+      )
+
+generateMany : Int -> Generator a -> Seed -> (List a, Seed)
+generateMany count gen seed =
+  if count == 0
+    then
+      ([], seed)
+    else
+      let (rand, seed') = generate gen seed
+          (randList, seed'') = generateMany (count - 1) gen seed'
+      in  (rand :: randList, seed'')
+
+floatGen : Generator Float
+floatGen = float 0 1
+
+randomBoardPosition : (Float, Float) -> (Float, Float) -> Vec2
+randomBoardPosition (randomX, randomY) (percentX, percentY) =
+  let width = boardSize.x * percentX
+      height = boardSize.y * percentY
+  in  { x = width * randomX - width / 2
+      , y = height * randomY - height / 2
+      }
diff --git a/src/Update/Update.elm b/src/Update/Update.elm
new file mode 100644
index 0000000..0187dcf
--- /dev/null
+++ b/src/Update/Update.elm
@@ -0,0 +1,54 @@
+module Update.Update
+  ( update
+  ) where
+
+import List
+import Keyboard (KeyCode)
+import Char (fromCode, toCode)
+
+import Model.Player (..)
+import Model.Point (pointSpeed, pointMove, pointAwayDist)
+import Model.Vec2 (..)
+import Model.Config (otherConfig)
+import Model.Cloud (..)
+import Model.Game (..)
+
+import Utils.Geometry (..)
+import Utils.Physics (getNewPosAndSpeed)
+
+import Update.CloudUpdate (cloudUpdate)
+
+import Input (Input)
+
+update : Input -> Game -> Game
+update {dir, inputKeysDown, delta} {time, keysDown, score, player, cloud, bestScore, seed} =
+  let hostilePoints = cloud.points (otherConfig player.config)
+  in  if(playerPointsCollision time player hostilePoints) then
+        let newBestScore = if(score > bestScore) then score else bestScore
+        in  initialGame seed player.pos player.config newBestScore
+      else
+        let newTime = time + delta
+            newPlayer = playerStep delta dir (newKeyCode keysDown inputKeysDown) player
+            (newCloud, addScore, newSeed) = cloudUpdate time seed newPlayer cloud
+        in  { time = newTime
+            , keysDown = inputKeysDown
+            , score = score + addScore
+            , player = newPlayer
+            , cloud = newCloud
+            , bestScore = bestScore
+            , seed = newSeed
+            }
+
+playerStep : Float -> Vec2 -> (KeyCode -> Bool) -> Player -> Player
+playerStep dt dir newKey player =
+  let (pos, speed) = getNewPosAndSpeed dt dir playerSpeed (player.pos, player.speed)
+      newConfig = if (newKey 69) then otherConfig player.config else player.config
+  in  { pos = inBoard playerSize pos
+      , speed = speed
+      , config = newConfig
+      }
+
+newKeyCode : List KeyCode -> List KeyCode -> KeyCode -> Bool
+newKeyCode lastKeyCodes newKeyCodes keyCode =
+  let contains = not << List.isEmpty << List.filter (\kc -> kc == keyCode)
+  in  not (contains lastKeyCodes) && (contains newKeyCodes)
-- 
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