TODO
====

Bugs
----

Features
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* Maybe configure lights in separate json file, to allow reuse of consistent models in multiple levels?
* Allow going down to zero seeds by buying lights if a turnip is planted
* Maybe make the mould weaker at the start
* Maybe also display information next to existing lights -- tooltip?
* Generally balance the levels better and add more levels
* Graphical level selection with screenshots
* Fast forward button for night-time (calculate more steps between redraws; play sounds sped up and with higher pitch)
* High scores
* Level editor?

Done
====

* Light colour selection
* All lights multicolour
* Light direction configuration
* Fitting rotation
* Sunrise transition screen
* Lose condition (no turnips and no seeds)
* 'End the Day' button
* Win condition
* Mould resistances
* Battery and light power consts
* Mould power increases to prevent farming
* Night remaining counter
* Eye colour
* Seralize light on / off and colour selection state across day / night transition
* More sounds
* Save game
* Light removing tool
* Image for pulsating lamp
* Add placement error sounds
* Add sound for battery going dead
* Five levels
* Bug: have to click lights multiple times to turn them back on after the power has died
* Bug: Crash when removing a rotating light
* Turnip / light spacing bug: a light can be placed right below a turnip, but must be much further away if above the turnip. This happens whether the turnip or the light is placed first. I assume it has to do with how the turnip image is positioned relative to its body.
* Allow denser turnip spacing
* Different power usage for different lights (this was already done)
* Different prices for different lights
* Calculate both from # of colours, speed, beam width, etc.?
* added tooltips for lights
* Display average power usage in light tooltip