-- random walk ii alt
-- alexthescott
-- 9/27/21 7:34pm
-- new seed every day of the year
srand(31*stat(81)+stat(82))
--b&w or w&b
if rnd()<0.5 then
pal({0,7},1)
else
pal({7,0},1)
end
function new_obj(x,y)
obj={}
obj.points={}
obj.points[1]={x=x,y=y}
obj.points[2]={x=x+6,y=y}
obj.points[3]={x=x+6,y=y+6}
obj.points[4]={x=x,y=y+6}
obj.a=0
obj.draw=function(self)
local p=self.points
if obj.a==0 then
line(p[1].x,p[1].y,p[2].x,p[2].y,1)
line(p[2].x,p[2].y,p[3].x,p[3].y,1)
line(p[3].x,p[3].y,p[4].x,p[4].y,1)
line(p[4].x,p[4].y,p[1].x,p[1].y,1)
else
local p=p[1]
rectfill(p.x,p.y,p.x+6,p.y+6,1)
end
end
obj.set_off=function()
obj.a=0
end
obj.set_on=function()
obj.a=0.5
end
return obj
end
function new_grid()
grid={}
grid.objs={}
grid.point={x=1+rnd(16)\1,y=1+rnd(16)\1}
grid.temp_p={x=-1,y=-1}
for x=1,15 do
row={}
for y=1,15 do
local nx=2+(x-1)*9
local ny=2+(y-1)*9
add(row,new_obj(nx,ny))
end
add(grid.objs,row)
end
grid.draw=function(self)
local p=self.point
local spot=self.objs[p.x][p.y]
local x=1
for row in all(self.objs) do
local y=1
for obj in all(row) do
if (self.point.x==x and
self.point.y==y) or
(self.temp_p.x==x and
self.temp_p.y==y) then
obj:set_on()
else
obj:set_off()
end
obj:draw()
y+=1
end
x+=1
end
end
grid.step=function(self)
r=rnd()
local x=0
local y=0
if r<=0.25 then
x=1
elseif r<=0.50 then
y=1
elseif r<=0.75 then
x=-1
else
y=-1
end
self.point.x+=x
self.point.y+=y
if self.point.x>#self.objs-1 then
self.point.x=1
elseif self.point.x<1 then
self.point.x=#self.objs-1
end
if self.point.y>#self.objs-1 then
self.point.y=1
elseif self.point.y<1 then
self.point.y=#self.objs-1
end
end
return grid
end
function burn()
for i=0,64 do
x=rnd(128)
y=rnd(128)
pset(x,y,2)
end
end
g=new_grid()
fc=0
_set_fps(60)
month=stat(81)
day=stat(82)
cls(2)
::♥::
if t()<2 then
print("random walk ii",36,59,1)
print(month.."/"..day,55,65)
elseif t()==2 then
cls(2)
else
burn()
g:draw()
if btnp(❎) or btnp(🅾️)then
local p={}
p={x=1+rnd(15)\1,y=1+rnd(15)\1}
g.temp_p=p
end
fc+=1
if fc%4==0 then
g:step()
end
if fc%1200==0 then
srand(31*stat(81)+stat(82))
fc=0
end
end
flip()
goto ♥
