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DP Tool Club 18
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cannon.pas
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Pascal/Delphi Source File
|
1994-05-28
|
557b
|
23 lines
program cannonball;
uses crt;
const vidseg:word=$a000; g=-9.81; x0=0; y0=100; v0=50; phi=50; dt=0.01;
var t:real; xt,yt,v:integer;
function rad(alpha:integer):real; begin
rad:=(alpha/180)*pi; end;
begin
asm mov ax,13h; int 10h; end;
t:=0; v:=v0; yt:=1;
while (not keypressed) and (yt>=0) do begin
xt:=x0+round(v0*cos(rad(phi))*t);
yt:=y0+round(v*sin(rad(phi))*t+0.5*g*t*t);
mem[vidseg:(199-yt)*320+xt]:=15;
t:=t+dt;
end;
while keypressed do readkey;
while not keypressed do;
textmode(lastmode);
end.