variations: {
	fat: "[map(filter(doc.animation, image_mapping[image]), 'anim',
	   set(anim.image, image_mapping[anim.image])) where
	   image_mapping = {
	      'characters/frogatto-spritesheet1.png': 'characters/fat-frogatto-spritesheet1.png',
	      'characters/frogatto-spritesheet3.png': 'characters/fat-frogatto-spritesheet3.png',
	      'characters/frogatto-spritesheet4.png': 'characters/fat-frogatto-spritesheet4.png'
	   },

	   set(doc.consts, 'FAT', 1), set(doc.consts.jump_power, 1200),
	   set(doc.consts.jump_boost, 80), set(doc.consts.jump_glide, 20),
	   map(filter(doc.animation, id = 'walk'), 'anim', set(doc.anim.accel_x, 1300)),
	   map(filter(doc.animation, id = 'run'), 'anim', set(doc.anim.accel_x, 1900))]
	   "
	},