Simple Tetris. free for you to improve on
#1

Around 80 lines of code... not bad for an interractive game..
Among the first things that needs to be improved (appart from the graphics!) is the key handling... specificaly, the wait should be cut in sub waits with key checking to allow more movements per 'cycles'...

DoesNotFit(game, piece, p) // return true if piece does not fit
begin
local j;
if game(im(p), re(p)) then return 1; end;
for j:=1 to size(piece) do
p:= p+piece(j);
if game(im(p), re(p)) then return 1; end;
end;
return 0;
end;

EXPORT Tetris()
BEGIN
local game= makemat(J=1 or J=12 or I=1 or I=25,25,12), pause=0.200, score= 0;
local shapes= {{(1, 0), (0, 1), (-1, 0)},
{(1, 0), (0, 1), (1, 0)},
{(-1, 0), (0, 1), (-1, 0)},
{(1, 0), (1, 0), (0, 1)},
{(-1, 0), (-1, 0), (0, 1)},
{(1, 0), (1, 0), (-1, 1)},
{(1, 0), (1, 0), (1, 0)}}; // Bar

while 1 do
local piece=shapes(randint(6)+1), p=(5,2), i, j; // get a random piece

if DoesNotFit(game, piece, p) then return score; end; // test if we lose

// create background
dimgrob_p(G1, 320, 240);
dimgrob_p(G2, 320, 240);
line_p(G1,99, 0, 99, 232, #FF); line_p(G1, 99, 232, 202, 232, #FF); line_p(G1,202, 232, 202, 0, #FF);
for i:=1 to 23 do
for j:=1 to 10 do
if game(i+1,j+1) then rect_p(G1, j*10+91, i*10-9, j*10+100, i*10, #0); end;
end;
end;

while NOT DoesNotFit(game, piece, p) do
// Draw the background on back buffer
blit_p(G2, G1);
// draw the piece
i:=p;
rect_p(G2, i*10-(-81,19), i*10-(-90,10), #0);
for j:=1 to size(piece) do
i:= i+piece(j);
rect_p(G2, i*10-(-81,19), i*10-(-90,10), #0);
end;
// draw backbuffer on screen
blit_p(G2);
// pause
wait(pause);
// keys?
if IsKeyDown(37) then if NOT DoesNotFit(game, piece, p-1) then p:= p-1; end; end;
if IsKeyDown(39) then if NOT DoesNotFit(game, piece, p+1) then p:= p+1; end; end;
if IsKeyDown(33) then
local rotate= piece*(0, 1);
if NOT DoesNotFit(game, rotate, p) then piece:= rotate; end;
end;
// try to go down...
if DoesNotFit(game, piece, p+(0,1)) then break; else p:= p+(0,1); end;
end;
// put piece in game!
game(im(p), re(p)):= 1;
for j:=1 to size(piece) do
p:= p+piece(j);
game(im(p), re(p)):=1;
end;
// remove lines?
for i:=24 downto 2 do
if game(i)=[1,1,1,1,1,1,1,1,1,1,1,1] then
for j:=i-1 downto 2 do game(j+1):= game(j); end;
game(2):= [1,0,0,0,0,0,0,0,0,0,0,1];
score:= score+1;
i:= i+1;
end;
end;
// faster!
pause:= pause-0.001;
end;
END;

Edited: 20 Nov 2013, 2:54 a.m.

#2

Is this a demo how to hang the Prime?

Trying to run it I get invalid input, and it reboots the calculator when stepping (also crashes the emulator)

#3

J'ai une erreur entrée non valide à l'exécution.

#4

By the way... I added txt support in my small utility, full hpprgm support, multiple file upload :) so this tetris is a perfect example for the little video... but since it does not work :/
https://www.youtube.com/watch?v=FxG-R0QZ-qI



Possibly Related Threads…
Thread Author Replies Views Last Post
  Tetris for HP Prime Mic 2 1,732 12-07-2013, 12:49 PM
Last Post: Cristian Arezzini
  [OT] Mathematica free for Raspberry PI BruceH 32 8,053 11-23-2013, 05:24 AM
Last Post: Nick_S
  [HP-Prime] Simple Game (Bugs) CompSystems 1 1,398 11-01-2013, 10:18 AM
Last Post: Han
  Simple Math Question Namir 2 1,381 08-09-2013, 06:13 PM
Last Post: Eddie W. Shore
  Is the HP-35S bug free? Matt Agajanian 22 6,190 07-01-2013, 04:03 PM
Last Post: Andrés C. Rodríguez (Argentina)
  Great news - Vicinno's HP 15C Scientific Calculator iPhone app is FREE now John 21 5,901 06-07-2013, 05:49 AM
Last Post: Mike (Stgt)
  hp-30b with free shipping sjthomas 9 2,865 04-14-2013, 02:46 AM
Last Post: Gerson W. Barbosa
  HP-42S with Electroluminescent screen and simple I/O port Jose Poyan 8 2,637 03-27-2013, 07:11 PM
Last Post: Jose Poyan
  Simple sample programs for the HP-41CX? Tom Lewis 5 1,994 03-25-2013, 07:11 PM
Last Post: Allen
  Simple? programming question [WP34S] Shawn Gibson 3 1,414 03-15-2013, 11:56 AM
Last Post: Didier Lachieze

Forum Jump: