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boybomb and sprites

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This commit is contained in:
James Turk 2023-04-24 23:21:58 -05:00
parent 5dfdb99fcd
commit e032558e06
2 changed files with 109 additions and 29 deletions
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104
games/boybomb.p8
View File

@ -2,7 +2,12 @@ pico-8 cartridge // http://www.pico-8.com
version 41
__lua__
--
#include sprites.lua
function _init()
palt(11, true)
palt(0, false)
start_scene("explainer")
end
@ -47,25 +52,66 @@ end
_scenes.title = {start=nil, draw=draw_title, update=update_title}
function draw_explainer()
function draw_dusk()
cls()
fillp(0b1010010110100101)
rectfill(0, 0, 128, 12, 2)
fillp(0)
rectfill(0, 12, 128, 64, 2)
-- trick: make other fill transparent
fillp(0b1010010110100101.1)
rectfill(0, 50, 128, 60, 9)
end
function draw_explainer()
draw_dusk()
map(0, 0, 0, 16, 16, 8)
local st = scene_time()
print("in 1978, eddie boyman was \ninvolved in an accident")
local bcolors = {8, 9, 10}
local bcolor = bcolors[flr(5*t()%3)+1]
print("in 1978, eddie boyman was \n involved in an accident.", 0, 80, 7)
if st > 2 then
print("as a result of a failed NASA experiment")
print("\nas a bystander of a \n failed nasa experiment")
end
if st > 6 then
print("he became...")
print("he became...", 10, 118)
end
if st > 7 then
print("a bomb")
print("a bomb", 60, 118, bcolor)
end
draw_sprite(exp_spr)
end
function update_explainer()
update_sprite(exp_spr)
if exp_spr.speed == 0 then
if exp_phase == "boy" then
exp_spr = make_sprite(50, 50, "boy_bomb", 0.4)
exp_phase = "boy_bomb"
elseif exp_phase == "boy_bomb" then
exp_spr = make_sprite(50, 50, "bomb_s", 0.1)
exp_phase = "bomb_s"
elseif exp_phase == "bomb_s" then
exp_spr = make_sprite(50, 50, "bomb_m", 0.1)
exp_phase = "bomb_m"
end
end
end
_scenes.explainer = {start=nil, draw=draw_explainer, update=update_explainer}
function start_explainer()
exp_spr = make_sprite(20, 20, "boy_walk", 0.2)
exp_phase = "boy"
end
_scenes.explainer = {start=start_explainer, draw=draw_explainer, update=update_explainer}
animations = {
boy_walk={frames={[0]=2, 0, 4, 0}, w=2, h=2},
boy_bomb={frames={[0]=32, 34, 36, 38, 40, 42, 44, 46}, w=2, h=2},
bomb_s={frames={[0]=64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76}, w=1, h=1},
bomb_m={frames={[0]=80, 82, 84, 86, 88, 90, 92}, w=2, h=2}
}
-- globals
@ -112,22 +158,22 @@ bb000bbbbb000bbbbb000bbbbb000bbbbb000bbbbb999bbbbbb999bbbb999bbbbb999bbbbb888b00
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__map__
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34
games/sprites.lua Normal file
View File

@ -0,0 +1,34 @@
function make_sprite(x, y, anim, speed)
s = {
x=x, y=y, anim=animations[anim], speed=speed,
frame=0, last_update=t(),
flip_x=false, flip_y=false, loop=false,
}
return s
end
function update_sprite(s)
local now = t()
if s.last_update == 0 then
s.last_update = now
return
end
if s.speed != 0 then
if now - s.last_update > s.speed then
s.frame += 1
s.last_update = now
if s.frame > #s.anim.frames then
if s.loop then
s.frame = 0
else
s.speed = 0
s.frame = #s.anim.frames
end
end
end
end
end
function draw_sprite(s)
spr(s.anim.frames[s.frame], s.x, s.y, s.anim.w, s.anim.h, s.flip_x, s.flip_y)
end