commit e3e88c9caa3c4eef1a3e6c3a89499c4fb268aa9e
Author: Paul Liverman III <paul.liverman.iii@gmail.com>
Date:   Thu Mar 7 13:27:07 2019 -0800

    init

diff --git a/.gitignore b/.gitignore
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+*.lua
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diff --git a/src/main.moon b/src/main.moon
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+import max, min from math
+
+class Generator
+  new: =>
+    @acceleration = 1.5 -- rate of rpm change based on rpm
+    @fuel = 0.0011     -- use per rpm
+    @fuelCurve = 1.1
+    @energy = 0.038    -- produced per rpm
+    @energyCurve = 0.9
+    @rpm = 0 -- current rpm
+    @throttle = 0 -- 0 to 1 throttle
+    @maximum_rpm = 8000
+    @instability = 0.01 -- random modification in rpm
+    @redline = 7000 -- maximum safe rpm
+    @volume = {                -- TEMP
+      pressure: -> return 1
+      remove: (f) => return f
+    }
+    @battery = { add: -> }     -- TEMP
+
+  update: (dt) =>
+    target = @throttle * @maximum_rpm
+    if target < @rpm
+      @rpm = max target, @rpm - (@rpm^0.9 + 500) * @acceleration * dt
+      -- @rpm = target if @rpm < target
+      @battery\add(@energy * @rpm^@energyCurve * dt)
+    else
+      if target > @rpm
+        -- @rpm = 100 if @rpm < 100
+        @rpm = min target, @rpm + (@rpm^0.9 + 500) * @acceleration * dt
+      @rpm += @rpm * @instability * (math.random! - 0.5)
+      fuel = @fuel * @rpm^@fuelCurve * dt
+      fuel = @volume\remove(fuel) / fuel -- TEMP (needs to be both fuel types)
+      if fuel < 1
+        @rpm = max 0, @rpm - @rpm * @acceleration * (1 - fuel) * dt
+      @battery\add(@energy * @rpm^@energyCurve * dt)
+
+gen = Generator!
+
+love.update = (dt) ->
+  if love.keyboard.isDown("up")
+    -- gen.throttle += dt
+    gen.throttle = min 1, gen.throttle + dt / 5
+  elseif love.keyboard.isDown("down")
+    -- gen.throttle -= dt
+    gen.throttle = max 0, gen.throttle - dt / 5
+  gen\update dt
+
+love.draw = ->
+  love.graphics.print "RPM: #{math.floor gen.rpm} Throttle: #{math.floor(gen.throttle * 100) / 100} Generating: #{math.floor(gen.energy * gen.rpm) / 10} Using: #{math.floor( gen.fuel * gen.rpm * 10) / 10} Efficiency: #{math.floor((gen.energy * gen.rpm^0.9) / (gen.fuel * gen.rpm^1.1) * 10) / 10}"
+
+  cx, cy = 400, 300 -- TEMP
+  -- mod = math.pi / gen.redline
+  mod = math.pi / gen.maximum_rpm
+  angle = gen.rpm * mod + math.pi
+  love.graphics.line cx, cy, cx + 100 * math.cos(angle), cy + 100 * math.sin(angle)
+
+actions = {
+  "1": -> gen.throttle = 0.1
+  "2": -> gen.throttle = 0.2
+  "3": -> gen.throttle = 0.3
+  "4": -> gen.throttle = 0.4
+  "5": -> gen.throttle = 0.5
+  "6": -> gen.throttle = 0.6
+  "7": -> gen.throttle = 0.7
+  "8": -> gen.throttle = 0.8
+  "9": -> gen.throttle = 0.9
+  "0": -> gen.throttle = 1
+  "escape": -> love.event.quit!
+}
+love.keypressed = (key) ->
+  actions[key]() if actions[key]