debug

[rowanmcau]

would someone be able to degug my code
i think something is wrong with my random number thing

DRAW = Image.load("PICS/DRAW.JPG") 
WIN = Image.load("PICS/WIN.JPG") 
LOSE = Image.load("PICS/LOSE.JPG") 

while true do 

screen:clear() 

pad = Controls.read() 

-- X 
if pad:cross() then 
break 
end 

a = math.random(3)

if a == 1 then 
screen:blit(0,0,WIN) 
end 

if a == 2 then 
screen:blit(0,0,LOSE) 
end 

if a == 3 then 
screen:blit(0,0,DRAW) 
end 

screen.waitVblankStart() 
screen.flip() 

end

thx

[b8a]

I don't have any experience with Lua, so sorry if this doesn't help, but the way I've always been told is the standard for generating random numbers in other languages is

math.random()*3

which should give you a floating point number between 0 and 1, multiplied by three, ultimately giving you a floating point number between 0 and 3. So to generate an integer just round the result

math.round(math.random()*3)

The documentation I have doesn't list math.round as being available, but if it isn't you can use either math.ceil or math.floor to descriminate between rounding up or down respectively.

But, looking at the Lua documentation, the way you coded it looks like it should be valid... But, in the past I've had problem with random numbers when I haven't stuck to this methoud, so hope it helps...

[yaustar]

The rand function looks correct.
What numbers are you getting and try seeding the random function.

edit:
Nevermind, the rand function works 100%. The problem is your while loop logic which I leave you to fix as a learning exercise.

I would guess that you have flicking pictures rather then a constant image.