tic80-stuff/awesome/antmarch.lua

-- title:   antmarch
-- author:  _gav, pixelbath
-- desc:    _gav found a neat (cheap) way to represent marching ants on an 8x8 tile. can be extended to larger sizes if needed
-- script:  lua

local flip_states = {0,1,3,2}
local flip_state = flip_states[math.floor((time() / 333) % 4)+1]
local draw_x = 0
local draw_y = 0
function TIC()

	if btnp(0) then draw_y=draw_y-8 end
	if btnp(1) then draw_y=draw_y+8 end
	if btnp(2) then draw_x=draw_x-8 end
	if btnp(3) then draw_x=draw_x+8 end

	cls(13)
	flip_state = flip_states[math.floor((time() / 333) % 4)+1]
	spr(256, draw_x, draw_y, 0, 1, flip_state)
end

-- <SPRITES>
-- 000:cc0ccc0cc000000c0000000cc0000000c000000cc000000c0000000cccc0ccc0
-- 001:000c000cc000000000000000000000000000000cc00000000000000000c000c0
-- </SPRITES>

-- <PALETTE>
-- 000:1a1c2c5d275db13e53ef7d57ffcd75a7f07038b76425717929366f3b5dc941a6f673eff7f4f4f494b0c2566c86333c57
-- </PALETTE>