Algoritma Game Tetris dalam pascal :
Pengertian Game Tetris
Tetris adalah permainan teka-teki yang disusun dan diprogram oleh sepasang programmer berkebangsaan Rusia.Dalam permainan tetris, balok-balok tetris berjatuhan ke area permainan dalam waktu konstan.Balok tetris selalu terdiri dari 4 balok kecil yang membentuk 7 macam rupa.
Program : Tetris 1 Player naruto uzumaki like play the tetris game so if u like u must play tetris game
program tetris_1player;
uses crt;
type _points = array [1..4] of record
x,y : longint;
end;
tetris = record
points : _points;cshape, nshape, xmodel, xtetris, ymodel, ytetris : longint;
end;
Const template : array [1..8] of _points =
(((x:1; y:1),(x:1; y:2),(x:2; y:1),(x:2; y:2)),
((x:2; y:1),(x:1; y:1),(x:3; y:1),(x:4; y:1)),
((x:1; y:2),(x:1; y:1),(x:1; y:3),(x:2; y:3)),
((x:2; y:2),(x:2; y:1),(x:2; y:3),(x:1; y:3)),
((x:1; y:2),(x:1; y:1),(x:2; y:2),(x:2; y:3)),
((x:1; y:2),(x:2; y:1),(x:2; y:2),(x:1; y:3)),
((x:1; y:2),(x:1; y:1),(x:1; y:3),(x:2; y:2)),
((x:1; y:2),(x:2; y:1),(x:2; y:2),(x:2; y:3)));
var field : array [1..79,1..25] of boolean;
tetris1, tetris2, ttetris : tetris;
quit,gameover : boolean;
answer : char;
procedure init_field;
var i : longint;
begin
clrscr;
fillchar(field,sizeof(field),0);
for i := 3 to 22 do
begin
textcolor(yellow);
gotoxy(20,i); write(#186); field[20,i] := true;
gotoxy(36,i); write(#186); field[36,i] := true;
end;
for i := 1 to 15 do
begin
textcolor(yellow);
gotoxy(20+i,23); write(#205); field[20+i,23] := true;
end;
gotoxy(20,23); write(#200);
gotoxy(36,23); write(#188);
gotoxy(6,4); write('Next:');
end;
procedure drawtetris(objek : tetris; mode : Boolean);
var i : longint;
c : char;
begin
textcolor(green);
if mode then c := #178 else c := #33;
for i := 1 to 4 do
begin
field[objek.points[i].x,objek.points[i].y] := mode;
gotoxy(objek.points[i].x, objek.points[i].y);
write(c);
end;
gotoxy(1,1);
End;
procedure dropnew(var objek : tetris);
var i : longint;
begin
if objek.cshape <> 0 then
begin
for i := 1 to 4 do
begin
ttetris.points[i].x := template[objek.nshape,i].x + objek.xmodel;
ttetris.points[i].y := template[objek.nshape,i].y + objek.ymodel;
end;
drawtetris(ttetris,false);
end;
objek.cshape := objek.nshape;
objek.nshape := random(8) + 1;
for i := 1 to 4 do
begin
objek.points[i].x := template[objek.cshape,i].x + objek.xtetris;
objek.points[i].y := template[objek.cshape,i].y + objek.ytetris;
ttetris.points[i].x := template[objek.nshape,i].x + objek.xmodel;
ttetris.points[i].y := template[objek.nshape,i].y + objek.ymodel;
if field[objek.points[i].x,objek.points[i].y] then
begin
gameover := true;
break;
end;
end;
drawtetris(objek,true);
drawtetris(ttetris,true);
end;
procedure init_tetris(var objek : tetris; id : longint);
begin
objek.nshape := random(8) + 1;
if id = 1 then
begin
objek.xmodel := 7; objek.xtetris := 26;
end else begin
objek.xmodel := 47; objek.xtetris := 66;
end;
objek.ymodel := 5; objek.ytetris := 2;
dropnew(objek);
end;
procedure eliminate(objek : tetris; y : longint);
var i,j,k : longint;
blank : boolean;
begin
for i := y downto 3 do
begin
blank := false;
for j := objek.xmodel + 14 to objek.xmodel + 28 do
if not field[j,i] then
begin
blank := true;
break;
end;
if not blank then
begin
for k := i downto 3 do
begin
gotoxy(objek.xmodel + 14,k);
for j := (objek.xmodel + 14) to (objek.xmodel + 28) do
begin
if field[j,k-1] then write(#178) else write(#32) field[j,k] := field[j,k-1];
end;
end;
eliminate(objek,i);
break;
end;
end;
end;
procedure slide(var objek : tetris);
var i : longint;
dropped : boolean;
begin
drawtetris(objek,false);
ttetris := objek;
dropped := false;
for i := 1 to 4 do
begin
inc(ttetris.points[i].y);
if field[ttetris.points[i].x,ttetris.points[i].y] then
begin
dropped := true;
break;
end;
end;
if not dropped then objek := ttetris;
drawtetris(objek,true);
if dropped then
begin
eliminate(objek,22);
dropnew(objek);
end;
end;
procedure rotate(var objek : tetris);
var i : longint;
collide : boolean;
begin
drawtetris(objek,false);
ttetris := objek;
collide := false;
for i := 2 to 4 do
begin
ttetris.points[i].y := objek.points[1].y + objek.points[i].x - objek.points[1].x;ttetris.points[i].x := objek.points[1].x - objek.points[i].y + objek.points[1].y;
if field[ttetris.points[i].x,ttetris.points[i].y] then
begin
collide := true;
break;
end;
end;
if not collide then objek := ttetris;
drawtetris(objek,true);
end;
procedure shift(var objek : tetris; x, y : longint);
var i : longint;
collide : boolean;
begin
drawtetris(objek,false);
ttetris := objek;
collide := false;
for i := 1 to 4 do
begin
ttetris.points[i].x := objek.points[i].x + x;
ttetris.points[i].y := objek.points[i].y + y;
if field[ttetris.points[i].x,ttetris.points[i].y] then
begin
collide := true;
break;
end;
end;
if not collide then objek := ttetris;
drawtetris(objek,true);
if collide then eliminate(objek,22);
end;
procedure userinput;
var i : longint;
c : char;
begin textcolor(red);
for i := 1 to 20 do
begin textcolor(red);
if keypressed then
begin textcolor(red);
c := upcase(readkey);
case c of
#72 : if tetris1.cshape <>1 then rotate(tetris1); #75 : shift(tetris1,-1,0);
#80 : shift(tetris1,0,1);
#77 : shift(tetris1,1,0);
#27 : gameover := true;
#32 : repeat delay(50); until keypressed;
end;
end;
delay(50);
end;
end;
begin
randomize;
while not quit do
begin
init_field;
init_tetris(tetris1,1);
gameover := false;
while not gameover do
begin
slide(tetris1);
userinput;
end;
gotoxy(1,25); write('Play Again[Y/N]? ');
repeat
answer := upcase(readkey);
until answer in ['Y','N',#27];
if (answer = 'N') or (answer = #27) then break;
end;
end.
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