-- lofi 3d 1
-- alexthescott
-- 10/20/21 8:12am
-- based on 3d demo
-- by @noahrosamilia
-- new seed every day of the year
srand(31*stat(81)+stat(82))
p1={7,6,135,10,138,11,139,3,131,12,140,1,129,130,128,0}
p2={7,135,10,9,15,143,142,137,14,136,8,2,130,133,128,0}
p3={7,15,143,142,14,8,136,137,9,10,135,138,11,139,12,140}
p={p1,p2,p3}
c=rnd(p)
pal(c,1)
function draw_shape(s,c)
for l in all(s[2]) do
draw_line(s[1][l[1]],s[1][l[2]],c)
end
end
function draw_line(p1,p2,c)
x0,y0=project(p1)
x1,y1=project(p2)
line(x0,y0,x1,y1,c)
end
function draw_point(p,c)
x,y=project(p)
pset(x,y,c)
end
function project(p)
-- calculate x,y and center it
x=(p[1]-cam[1])*mult/(p[3]-cam[3])+127/2
y=-(p[2]-cam[2])*mult/(p[3]-cam[3])+127/2
return x,y
end
function translate_shape(s,t)
-- copy shape, 0 out points,
-- keep og lines
ns={{},s[2]}
-- add displacement to point
for p in all(s[1])do
add(ns[1],{p[1]+t[1],p[2]+t[2],p[3]+t[3]})
end
return ns
end
function rotate_shape(s,a,r)
-- copy shape, 0 out points
-- keep og lines
ns={{},s[2]}
for p in all(s[1])do
add(ns[1],rotate_point(p,a,r))
end
return ns
end
function rotate_point(p,a,r)
-- figure axis we're rotating
if a==1 then
x,y,z=3,2,1
elseif a==2 then
x,y,z=1,3,2
elseif a==3 then
x,y,z=1,2,3
end
_x=cos(r)*p[x]-sin(r)*p[y]
_y=sin(r)*p[x]+cos(r)*p[y]
np={}
np[x]=_x
np[y]=_y
np[z]=p[z]
return np
end
function limit_int(v,l)
if v>0 then
return min(v,l)
else
return max(v,-l)
end
end
function burn()
for p=0,384 do
x=rnd(128)\1
y=rnd(128)\1
pc=pget(x,y)
if pc!=0 then
pset(x,y,pc-1)
else
pset(x,y,0)
end
end
end
function fuzz(big)
if big then
sz=10
cnt=512
else
sz=3
cnt=384
end
for p=0,cnt do
x=rnd(128)\1
y=rnd(128)\1
pc=pget(x,y)
if pc!=0 then
for l=1,rnd(sz)\1 do
pset(x-l,y,pc)
pset(x+l,y,pc)
end
end
end
end
function forward()
v=c[1]
del(c,v)
c[#c+1]=v
pal(c,1)
end
function backward()
v=c[#c]
del(c,v)
for i=#c+1,1,-1 do
if i!=1 then
c[i]=c[i-1]
else
c[i]=v
end
end
pal(c,1)
end
for i=1,rnd()*16 do
forward()
end
cube={
--points
{{-1,-1,-1},
{-1,-1,1},
{1,-1,1},
{1,-1,-1},
{-1,1,-1},
{-1,1,1},
{1,1,1},
{1,1,-1}},
--lines
{{1,2},{2,3},
{3,4},{4,1},
{5,6},{6,7},
{7,8},{8,5},
{1,5},{2,6},
{3,7},{4,8}}
}
sz2=2/3
cube2={
--points
{{-sz2,-sz2,-sz2},
{-sz2,-sz2,sz2},
{sz2,-sz2,sz2},
{sz2,-sz2,-sz2},
{-sz2,sz2,-sz2},
{-sz2,sz2,sz2},
{sz2,sz2,sz2},
{sz2,sz2,-sz2}},
--lines
{{1,2},{2,3},
{3,4},{4,1},
{5,6},{6,7},
{7,8},{8,5},
{1,5},{2,6},
{3,7},{4,8}}}
sz3=1/3
cube3={
--points
{{-sz3,-sz3,-sz3},
{-sz3,-sz3,sz3},
{sz3,-sz3,sz3},
{sz3,-sz3,-sz3},
{-sz3,sz3,-sz3},
{-sz3,sz3,sz3},
{sz3,sz3,sz3},
{sz3,sz3,-sz3}},
--lines
{{1,2},{2,3},
{3,4},{4,1},
{5,6},{6,7},
{7,8},{8,5},
{1,5},{2,6},
{3,7},{4,8}}
}
cam={0,0,-2.5}
mult=64
a1_1=1+rnd(3)\1
a2_1=1+rnd(3)\1
a1_2,a1_3=a1_1,a1_1
a2_2,a2_3=a2_1,a2_1
while a1_1==a2_1 do
a2_1=1+rnd(3)\1
a2_2,a2_3=a2_1,a2_1
end
t1=50+rnd(50)\1
t2=t1+20
t3=t2+40
t_gap=5+(5*rnd())\1
burn_count=3+(40*rnd())\1
burn_var=5+(15*rnd())\1
show_center_circ=rnd()>0.5
show_outside_circ=rnd()>0.5
month=stat(81)
day=stat(82)
cls()
_set_fps(60)
::♥::
if t()<2 then
print("lofi 3d 1",46,59,1)
print(month.."/"..day,55,65)
else
if btn(❎) and btn(🅾️) or
time()%burn_var==0 then
burn_count=3+(40*rnd())\1
burn_var=5+(15*rnd())\1
burn()
elseif burn_count>0 then
burn()
burn_count-=1
else
cls()
end
if btn(⬅️) then cam[1] -= 0.1 end
if btn(➡️) then cam[1] += 0.1 end
if btn(⬆️) then cam[2] += 0.1 end
if btn(⬇️) then cam[2] -= 0.1 end
if btn(❎) then cam[3] -= 0.1 end
if btn(🅾️) then cam[3] += 0.1 end
if btn(⬆️) and btn(⬇️) or
btn(➡️) and btn(⬅️) then
print("cam.x="..cam[1],0,0,2)
print("cam.y="..cam[2],0,6,2)
print("cam.z="..cam[3],0,12,2)
print("t1="..t1,0,110,t1/t_gap)
print("t2="..t2,0,116,t2/t_gap)
print("t3="..t3,0,122,t3/t_gap)
end
t1-=1
t2-=1
t3-=1
if t1<0 then
a1_1=1+rnd(3)\1
a2_1=1+rnd(3)\1
while a1_1==a2_1 do
a2_1=1+rnd(3)\1
end
t1=50+rnd(50)\1
end
if t2<0 then
t2=t1+20
a1_2,a2_2=a1_1,a2_1
end
if t3<0 then
t3=t1+40
a1_3,a2_3=a1_1,a2_1
end
cube=rotate_shape(cube,a1_1,0.004)
cube=rotate_shape(cube,a2_1,0.004)
cube2=rotate_shape(cube2,a1_2,0.004)
cube2=rotate_shape(cube2,a2_2,0.004)
cube3=rotate_shape(cube3,a1_3,0.004)
cube3=rotate_shape(cube3,a2_3,0.004)
if show_center_circ then
fillp(0b1111110111111111)
circfill(64,64,20,1)
fillp(0b111110111111111)
circfill(64,64,15,1)
fillp()
circfill(64,64,10,0)
end
draw_shape(cube,t1/t_gap)
draw_shape(cube2,t2/t_gap)
draw_shape(cube3,t3/t_gap)
if(show_outside_circ) circ(64,64,62,1)
if btn(🅾️) or btn(❎) then
fuzz(true)
else
fuzz(false)
end
end
flip()
goto ♥
