my friends snake- sort of :P

[Wajih]

this is my friends richards program. it is snake but with a twist!
[/b]This is not mine, and i am not taking credit for it!


%Author: Richard Nguyen
%Date: Jan 7, 2010
%File: Snake.beta
%Version: 1.0
%Description: This is a fun version of the classic game, SNAKE!
setscreen ("graphics:max;max,nobuttonbar")
var snakex : int := 10
var snakey : int := 10
var snakex2 : int := 20
var snakey2 : int := 20
var direction : int := 5
var boundx : int := 0
var boundy : int := 0
var boundx2 : int := maxx
var boundy2 : int := maxy
var fruitx : int := Rand.Int (8, maxx - 8)
var fruity : int := Rand.Int (8, maxy - 8)
const fruitsize : int := 7
var rockx : int := Rand.Int (11, maxx - 11)
var rocky : int := Rand.Int (11, maxy - 11)
var rockx2 : int := Rand.Int (11, maxx - 11)
var rocky2 : int := Rand.Int (11, maxy - 11)
var rockx3 : int := Rand.Int (11, maxx - 11)
var rocky3 : int := Rand.Int (11, maxy - 11)
var rockx4 : int := Rand.Int (11, maxx - 11)
var rocky4 : int := Rand.Int (11, maxy - 11)
var rockx5 : int := Rand.Int (11, maxx - 11)
var rocky5 : int := Rand.Int (11, maxy - 11)
var rockx6 : int := Rand.Int (11, maxx - 11)
var rocky6 : int := Rand.Int (11, maxy - 11)
var rockx7 : int := Rand.Int (11, maxx - 11)
var rocky7 : int := Rand.Int (11, maxy - 11)
var rockx8 : int := Rand.Int (11, maxx - 11)
var rocky8 : int := Rand.Int (11, maxy - 11)
var rockx9 : int := Rand.Int (11, maxx - 11)
var rocky9 : int := Rand.Int (11, maxy - 11)
var rockx10 : int := Rand.Int (11, maxx - 11)
var rocky10 : int := Rand.Int (11, maxy - 11)
var rockx11 : int := Rand.Int (11, maxx - 11)
var rocky11 : int := Rand.Int (11, maxy - 11)
var rockx12 : int := Rand.Int (11, maxx - 11)
var rocky12 : int := Rand.Int (11, maxy - 11)
var rockx13 : int := Rand.Int (11, maxx - 11)
var rocky13 : int := Rand.Int (11, maxy - 11)
var rockx14 : int := Rand.Int (11, maxx - 11)
var rocky14 : int := Rand.Int (11, maxy - 11)
var rockx15 : int := Rand.Int (11, maxx - 11)
var rocky15 : int := Rand.Int (11, maxy - 11)
const rocksize : int := 10
var score : int := 0
var gameover : int := 0
locate (19, 54)
put "INSTRUCTIONS XD" ..
locate (20, 33)
put "The object of this game is to eat as many fruits as you can" ..
locate (21, 32)
put "The red circles are fruits, the light-green circles are rocks" ..
locate (22, 42)
put "Press the right or up arrow key to begin" ..
loop

%Creates the first fruit
drawfilloval (fruitx, fruity, fruitsize, fruitsize, brightred)
%Creates the score indicator
locate (1, 118)
Text.Color (white)
put "Score: ", score ..
%Waits for key input
var ch : char
if hasch then
%Creates the black background
colorback (black)
%Creates the snake
drawfillbox (snakex, snakey, snakex2, snakey2, white)
ch := getchar
%These are the controls for the snake (arrow keys)
%Up key
if ord (ch) = 200 then
direction := 1
end if
%Down key
if ord (ch) = 208 then
direction := 2
end if
%Right key
if ord (ch) = 205 then
direction := 3
end if
%Left key
if ord (ch) = 203 then
direction := 4
end if
end if
%Controls the snake with the arrow keys
if (direction = 1) then
drawfillbox (snakex, snakey, snakex2, snakey2, white)
delay (10)
snakey := snakey + 5
snakey2 := snakey2 + 5
cls
elsif (direction = 2) then
drawfillbox (snakex, snakey, snakex2, snakey2, white)
delay (10)
snakey := snakey - 5
snakey2 := snakey2 - 5
cls
elsif (direction = 3) then
drawfillbox (snakex, snakey, snakex2, snakey2, white)
delay (10)
snakex := snakex + 5
snakex2 := snakex2 + 5
cls
elsif (direction) = 4 then
drawfillbox (snakex, snakey, snakex2, snakey2, white)
delay (10)
snakex := snakex - 5
snakex2 := snakex2 - 5
cls
end if
%Creates Boundaries
drawbox (boundx, boundy, boundx2, boundy2, black)
if snakex < boundx then
direction := 0
gameover := 1
elsif snakex2 > boundx2 then
direction := 0
gameover := 1
elsif snakey < boundy then
direction := 0
gameover := 1
elsif snakey2 > boundy2 then
direction := 0
gameover := 1
end if
%When the snake eats the fruit, the fruit will relocate itself
if (fruitx > snakex - fruitsize) and (fruitx < snakex2 + fruitsize) and (fruity > snakey - fruitsize) and (fruity < snakey2 + fruitsize) then
fruitx := Rand.Int (8, maxx - 8)
fruity := Rand.Int (8, maxy - 8)
score := score + 1
end if
%Randomly draws rocks when the player gets one more point
if score >= 1 then
drawfilloval (rockx, rocky, rocksize, rocksize, brown)
end if
if score >= 2 then
drawfilloval (rockx2, rocky2, rocksize, rocksize, brown)
end if
if score >= 3 then
drawfilloval (rockx3, rocky3, rocksize, rocksize, brown)
end if
if score >= 4 then
drawfilloval (rockx4, rocky4, rocksize, rocksize, brown)
end if
if score >= 5 then
drawfilloval (rockx5, rocky5, rocksize, rocksize, brown)
end if
if score >= 6 then
drawfilloval (rockx6, rocky6, rocksize, rocksize, brown)
end if
if score >= 7 then
drawfilloval (rockx7, rocky7, rocksize, rocksize, brown)
end if
if score >= 8 then
drawfilloval (rockx8, rocky8, rocksize, rocksize, brown)
end if
if score >= 9 then
drawfilloval (rockx9, rocky9, rocksize, rocksize, brown)
end if
if score >= 10 then
drawfilloval (rockx10, rocky10, rocksize, rocksize, brown)
end if
if score >= 11 then
drawfilloval (rockx11, rocky11, rocksize, rocksize, brown)
end if
if score >= 12 then
drawfilloval (rockx12, rocky12, rocksize, rocksize, brown)
end if
if score >= 13 then
drawfilloval (rockx13, rocky13, rocksize, rocksize, brown)
end if
if score >= 14 then
drawfilloval (rockx14, rocky14, rocksize, rocksize, brown)
end if
if score >= 15 then
drawfilloval (rockx15, rocky15, rocksize, rocksize, brown)
end if
%When the snake eats a rock, it will send out 2 commands
%One will end the game, the other displays game over messages
if (rockx > snakex - rocksize) and (rockx < snakex2 + rocksize) and (rocky > snakey - rocksize) and (rocky < snakey2 + rocksize) then
direction := 0
gameover := 1
elsif (rockx2 > snakex - rocksize) and (rockx2 < snakex2 + rocksize) and (rocky2 > snakey - rocksize) and (rocky2 < snakey2 + rocksize) and (score >= 2) then
direction := 0
gameover := 1
elsif (rockx3 > snakex - rocksize) and (rockx3 < snakex2 + rocksize) and (rocky3 > snakey - rocksize) and (rocky3 < snakey2 + rocksize) and (score >= 3) then
direction := 0
gameover := 1
elsif (rockx4 > snakex - rocksize) and (rockx4 < snakex2 + rocksize) and (rocky4 > snakey - rocksize) and (rocky4 < snakey2 + rocksize) and (score >= 4) then
direction := 0
gameover := 1
elsif (rockx5 > snakex - rocksize) and (rockx5 < snakex2 + rocksize) and (rocky5 > snakey - rocksize) and (rocky5 < snakey2 + rocksize) and (score >= 5) then
direction := 0
gameover := 1
elsif (rockx6 > snakex - rocksize) and (rockx6 < snakex2 + rocksize) and (rocky6 > snakey - rocksize) and (rocky6 < snakey2 + rocksize) and (score >= 6) then
direction := 0
gameover := 1
elsif (rockx7 > snakex - rocksize) and (rockx7 < snakex2 + rocksize) and (rocky7 > snakey - rocksize) and (rocky7 < snakey2 + rocksize) and (score >= 7) then
direction := 0
gameover := 1
elsif (rockx8 > snakex - rocksize) and (rockx8 < snakex2 + rocksize) and (rocky8 > snakey - rocksize) and (rocky8 < snakey2 + rocksize) and (score >= 8) then
direction := 0
gameover := 1
elsif (rockx9 > snakex - rocksize) and (rockx9 < snakex2 + rocksize) and (rocky9 > snakey - rocksize) and (rocky9 < snakey2 + rocksize) and (score >= 9) then
direction := 0
gameover := 1
elsif (rockx10 > snakex - rocksize) and (rockx10 < snakex2 + rocksize) and (rocky10 > snakey - rocksize) and (rocky10 < snakey2 + rocksize) and (score >= 10) then
direction := 0
gameover := 1
elsif (rockx11 > snakex - rocksize) and (rockx11 < snakex2 + rocksize) and (rocky11 > snakey - rocksize) and (rocky11 < snakey2 + rocksize) and (score >= 11) then
direction := 0
gameover := 1
elsif (rockx12 > snakex - rocksize) and (rockx12 < snakex2 + rocksize) and (rocky12 > snakey - rocksize) and (rocky12 < snakey2 + rocksize) and (score >= 12) then
direction := 0
gameover := 1
elsif (rockx13 > snakex - rocksize) and (rockx13 < snakex2 + rocksize) and (rocky13 > snakey - rocksize) and (rocky13 < snakey2 + rocksize) and (score >= 13) then
direction := 0
gameover := 1
elsif (rockx14 > snakex - rocksize) and (rockx14 < snakex2 + rocksize) and (rocky14 > snakey - rocksize) and (rocky14 < snakey2 + rocksize) and (score >= 14) then
direction := 0
gameover := 1
elsif (rockx15 > snakex - rocksize) and (rockx15 < snakex2 + rocksize) and (rocky15 > snakey - rocksize) and (rocky15 < snakey2 + rocksize) and (score >= 15) then
direction := 0
gameover := 1
end if
%If the snake hits a wall or eats a rock, gameover will = 1
%When gameover = 1 then the 2 messages will appear
if gameover = 1 then
Text.Color (white)
locate (20, 42)
put "Game Over"
locate (21, 42)
put "Your score was ", score
locate (22, 42)
put "If you want to try again,"
locate (23, 42)
put "Close the window and run the program again"
end if
%When the snake eats a rock or hits a wall, the direction variable will = 0
%When direction=0, the whole program stops
exit when direction = 0
end loop

he told me to submit it

[Wajih]

There are 2 glitches so far :
The flickr : you cannot fix it because out teacher said it's a bug in turing

and sometimes the fruit will sometimes relocate itself in a rock. -_-

[DemonWasp]

You can fix flickering trivially in Turing. Either look up View.Update() or search the Turing Help forum here for "flicker", because this is a problem that gets asked about here approximately 3 times a week. You could even look at the Turing Walkthrough under the Turing Tutorials section and find the bit about "eliminating flicker". It's not a bug in Turing, it's a bug in this program.

[Wajih]

no see, he tried that view.update, view.set offscreenonly just about evrywhere, and it flickered more, so he just took it out.

[DemonWasp]

Then clearly he was doing it wrong. Have him go read the tutorials: it is possible to animate anything without flicker in Turing*.

* This doesn't mean that some things won't render slowly/infrequently, it just means it won't flicker.

[Raknarg]

So the issue here i think for the flicker is your coding. You have to use setscreen ( "offscreenonly" ) and then View.Update. Just in case, if you use View.Update after a cls and a draw statement, you'll have a similar problem. Just use it after you draw the snake and stuff.

[mirhagk]

Here's a secret, struture your loop like this

loop
logic for controlling things, etc all non drawing updates
draw everything ALL AT ONCE
View.Update
Time.DelaySinceLast() like a regular delay but it delays since the last call to delay (ie if you set the time.delaysincelast to 10, and your loop took 3 milli seconds, it waits 7)

then cls
end loop

[Offroadrider]

I think I know how to fix the flickering.

write View.Set ("offscreenonly") after your drawfill....
then write View.Update after your drawfill....

Hope this helps!

[Raknarg]

Thanks for the input, but for future reference, try not to necropost