spritebox 0.6.0

Create 2D pixel art and game assets from text: sprites, backgrounds with parallax, tilemaps, procedural textures, UI and pixel fonts. A zero-dependency Rust library and CLI with PNG, atlas and TTF export.
Documentation 
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; Layers, derived sprites and animations.

palette field
  .  transparent
  k  #1a1c2c   ; ink
  w  #f4f4f4
  g  #38b764   ; leaf
  G  #a7f070
  b  #5d275d   ; body, dark to light
  p  #b13e53
  P  #ef7d57
  o  #f4b41b   ; gold
  y  #ffe478
  c  #41a6f6   ; sky

palette dusk from=field
  p  #3b5dc9
  P  #73eff7

; A sprout in two layers: the body, and the face drawn over it.
sprite sprout 12x12 palette=field
  layer body
    .....gG.....
    ....gGGg....
    .....gg.....
    ...pppppp...
    ..pPPPpppp..
    .pPPpppppbp.
    .pPppppppbp.
    .ppppppppbp.
    .pppppppbbp.
    ..pppppbbp..
    ...pp..pp...
    ...kk..kk...
  layer face
    ............
    ............
    ............
    ............
    ............
    ...wk..wk...
    ...kk..kk...
    ............
    .....kk.....
    ............
    ............
    ............

; Derived sprites: a modifier chain after `=`.
sprite sprout_left = sprout:flip_x
sprite sprout_night = sprout:swap(dusk)
sprite sprout_outlined = sprout:pad(1):outline(k)

sprite coin 8x8 palette=field
  ..kkkk..
  .kooyyk.
  kooyywok
  kooyyook
  kooooook
  koooooyk
  .koooyk.
  ..kkkk..

sprite coin_edge 8x8 palette=field
  ...kkk..
  ..koyyk.
  ..koywk.
  ..koyok.
  ..koook.
  ..kooyk.
  ..kooyk.
  ...kkk..

sprite coin_thin 8x8 palette=field
  ....k...
  ...kyk..
  ...kyk..
  ...kok..
  ...kok..
  ...kok..
  ...kyk..
  ....k...

sprite arrow 6x6 palette=field
  ...c..
  ....c.
  cccccc
  ....c.
  ...c..
  ......

sprite arrow_down = arrow:rot90

; A sprite whose layers are other sprites.
sprite badge 8x8 palette=field
  layer back = coin
  layer mark = arrow:pad(1)

; Animations: one frame per line, a sprite or a chain, and its ticks (60 a second).
animation coin_spin loop
  coin              6
  coin_edge         6
  coin_thin         6
  coin_edge:flip_x  6

animation sprout_idle loop
  sprout             20
  sprout:offset(0,1) 20

animation sprout_hurt once
  sprout:swap(dusk)  4
  sprout             4
  sprout:swap(dusk)  4
  sprout             4