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GRAV.PAS
executable file
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GRAV.PAS
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program gravitation;
uses crt,graph;
var
farbe0,farbe1,farbe2,farbe3,farbe4,farbe5,farbe6,farbe7,farbe8k,treiber,modus:integer;
fa2,fa3,fa4,fa5,k00,k0,hil0,hil1,hil2,hil3,h000,farbe:integer;
xend,dx,flaeche,xanf,m,zx,zy,zy1,grenze,x,r,Rerde,Rmond,Mmond,Merde,dr,gamma,F1,F2,Fres:real;
v0,v1,y0:real;
wahl1,wahl:char;
ortx10,ortx11,ortx1,ortx2,ortx3,ortx4,ortx5,ortx6,ortx7,ortx8,ortx9:string;
procedure en;
begin
if h000=0 then
begin
farbe0:=15;
farbe1:=8;
farbe2:=12;
farbe3:=9;
farbe4:=2;
farbe5:=3;
farbe6:=13;
farbe7:=5;
end;
if h000=1 then
begin
farbe0:=1;
farbe1:=15;
farbe2:=10;
farbe3:=14;
farbe4:=10;
farbe5:=11;
farbe6:=13;
farbe7:=9;
end;
end;
procedure menue;
begin
treiber:=detect;
initgraph(treiber,modus,'');
h000:=0;
setbkcolor(15);
setcolor(1);
outtextxy(150,150,'Gravitation ( Feldst„rke ) -> 1');
outtextxy(150,200,'Gravitationskraft und Hubarbeit -> 2');
outtextxy(150,250,'Lageenergie und Potential -> 3');
outtextxy(150,300,'Gravitationspotential -> 4');
outtextxy(400,400,'beenden -> b');
setcolor(7);
outtextxy(20,465,'heller Hintergrund (h) dunkler Hintergrund (d)');
end;
procedure g00;
begin
setcolor(farbe);
if k0=1 then
begin
line(135,80,145,80);
str(80/zy:4:2,ortx1);
outtextxy(40,157,ortx1+' m/sý');
line(135,160,145,160);
str(160/zy:4:2,ortx2);
outtextxy(40,77,ortx2+' m/sý');
end;
if k0=2 then
begin
line(135,80,145,80);
str(80/zy:4:2,ortx1);
outtextxy(60,157,ortx1+' N');
line(135,160,145,160);
str(160/zy:4:2,ortx2);
outtextxy(60,77,ortx2+' N');
end;
if k0=3 then
begin
line(135,120,145,120);
str(60/zy:8:0,ortx1);
outtextxy(40,177,ortx1+' J');
line(135,180,145,180);
str(120/zy:8:0,ortx2);
outtextxy(40,117,ortx2+' J');
v0:=-gamma*m*Merde/Rerde;
if zy*v0>=-170 then
begin
str(v0:8:0,ortx10);
outtextxy(40,237-round(zy*v0),ortx10+' J');
line(138,240-round(zy*v0),142,240-round(zy*v0));
end;
v1:=-1.5*gamma*m*Merde/Rerde;
if zy*v1>=-170 then
begin
str(v1:8:0,ortx11);
outtextxy(40,237-round(zy*v1),ortx11+' J');
line(138,240-round(zy*v1),142,240-round(zy*v1));
end;
end;
if k0=4 then
begin
line(135,120,145,120);
str(60/zy:8:0,ortx1);
outtextxy(30,177,ortx1+' J/kg');
line(135,180,145,180);
str(120/zy:8:0,ortx2);
outtextxy(30,117,ortx2+' J/kg');
v0:=-gamma*Merde/Rerde;
if zy*v0>=-170 then
begin
str(v0:8:0,ortx10);
outtextxy(20,237-round(zy*v0),ortx10+' J/kg');
line(138,240-round(zy*v0),142,240-round(zy*v0));
end;
v1:=-1.5*gamma*Merde/Rerde;
if zy*v1>=-170 then
begin
str(v1:8:0,ortx11);
outtextxy(20,237-round(zy*v1),ortx11+' J/kg');
line(138,240-round(zy*v1),142,240-round(zy*v1));
end;
end;
circle(140,240,round(Rerde/zx));
line(40,240,135-round(Rerde/zx),240);
line(140,70,140,235-round(Rerde/zx));
line(140,410,140,245+round(Rerde/zx));
x:=0;
repeat
x:=x+5e7/zx;
line(140+round(x),238,140+round(x),242);
until x>=400;
if r/zx<460 then
begin
circle(140+round(r/zx),240,round(Rmond/zx));
line(145+round(Rerde/zx),240,135+round((r-Rmond)/zx),240);
line(145+round((r+Rmond)/zx),240,600,240)
end
else
line(145+round(Rerde/zx),240,600,240);
end;
procedure s00;
begin
farbe:=farbe1;
g00;
if (k0=2) or (k0=3) then
begin
setcolor(7);
str(m:3:2,ortx3);
outtextxy(450,425,ortx3+' kg');
setcolor(farbe1);
end;
end;
procedure l00;
begin
farbe:=farbe0;
g00;
if (k0=2) or (k0=3) then
begin
setcolor(farbe);
str(m:3:2,ortx3);
outtextxy(450,425,ortx3+' kg');
end;
end;
procedure g3;
begin
x:=-100*zx-dr;
repeat
x:=x+dr;
if k0=1 then Fres:=zy*gamma*(-Merde/x/x-Mmond/(r-x)/(r-x));
if k0=2 then Fres:=zy*gamma*m*(-Merde/x/x-Mmond/(r-x)/(r-x));
if k0=3 then Fres:=-zy*gamma*m*(-Merde/x-Mmond/(r-x));
if k0=4 then Fres:=-zy*gamma*(-Merde/x-Mmond/(r-x));
if (240-round(Fres)>=70) and(240-round(Fres)<=410) then
putpixel(140+round(x/zx),240-round(Fres),farbe);
until (x>=-Rerde) or (x>=zx*460);
x:=Rerde-dr;
repeat
x:=x+dr;
if k0=1 then Fres:=zy*gamma*(Merde/x/x-Mmond/(r-x)/(r-x));
if k0=2 then Fres:=zy*gamma*m*(Merde/x/x-Mmond/(r-x)/(r-x));
if k0=3 then Fres:=-zy*gamma*m*(Merde/x+Mmond/(r-x));
if k0=4 then Fres:=-zy*gamma*(Merde/x+Mmond/(r-x));
if (240-round(Fres)>=70) and(240-round(Fres)<=410) then
putpixel(140+round(x/zx),240-round(Fres),farbe);
until (x>=r-Rmond) or (x>=zx*460);
x:=r+Rmond-dr;
repeat
x:=x+dr;
if k0=1 then Fres:=zy*gamma*(Merde/x/x+Mmond/(r-x)/(r-x));
if k0=2 then Fres:=zy*gamma*m*(Merde/x/x+Mmond/(r-x)/(r-x));
if k0=3 then Fres:=zy*gamma*m*(-Merde/x+Mmond/(r-x));
if k0=4 then Fres:=zy*gamma*(-Merde/x+Mmond/(r-x));
if (240-round(Fres)>=70) and(240-round(Fres)<=410) then
putpixel(140+round(x/zx),240-round(Fres),farbe);
until x>=zx*460;
end;
procedure s3;
begin
farbe:=farbe4;
g3;
s00;
end;
procedure l3;
begin
farbe:=farbe0;
g3;
end;
procedure g2;
begin
x:=-100*zx-dr;
repeat
x:=x+dr;
if k0=1 then F2:=-zy*gamma*Mmond/(r-x)/(r-x);
if k0=2 then F2:=-zy*gamma*m*Mmond/(r-x)/(r-x);
if k0=3 then F2:=-zy*gamma*m*Mmond/(r-x);
if k0=4 then F2:=-zy*gamma*Mmond/(r-x);
if (240-round(F2)>=70) and(240-round(F2)<=410) then
putpixel(140+round(x/zx),240-round(F2),farbe);
until (x>=-Rerde) or (x>=zx*460);
x:=Rerde-dr;
repeat
x:=x+dr;
if k0=1 then F2:=-zy*gamma*Mmond/(r-x)/(r-x);
if k0=2 then F2:=-zy*gamma*m*Mmond/(r-x)/(r-x);
if k0=3 then F2:=-zy*gamma*m*Mmond/(r-x);
if k0=4 then F2:=-zy*gamma*Mmond/(r-x);
if (240-round(F2)>=70) and(240-round(F2)<=410) then
putpixel(140+round(x/zx),240-round(F2),farbe);
until (x>=r-Rmond) or (x>=zx*460);
x:=r+Rmond-dr;
repeat
x:=x+dr;
if k0=1 then F2:=zy*gamma*Mmond/(r-x)/(r-x);
if k0=2 then F2:=zy*gamma*m*Mmond/(r-x)/(r-x);
if k0=3 then F2:=zy*gamma*m*Mmond/(r-x);
if k0=4 then F2:=zy*gamma*Mmond/(r-x);
if (240-round(F2)>=70) and(240-round(F2)<=410) then
putpixel(140+round(x/zx),240-round(F2),farbe);
until x>=zx*460;
end;
procedure s2;
begin
farbe:=farbe3;
g2;
s00;
end;
procedure l2;
begin
farbe:=farbe0;
g2;
end;
procedure g0;
begin
x:=-100*zx-dr;
repeat
x:=x+dr;
if k0=1 then F1:=-zy*gamma*Merde/x/x;
if k0=2 then F1:=-zy*gamma*m*Merde/x/x;
if k0=3 then F1:=zy*gamma*m*Merde/x;
if k0=4 then F1:=zy*gamma*Merde/x;
if (240-round(F1)>=70) and(240-round(F1)<=410) then
putpixel(140+round(x/zx),240-round(F1),farbe);
until (x>=-Rerde) or (x>=zx*460);
x:=Rerde-dr;
repeat
x:=x+dr;
if k0=1 then F1:=zy*gamma*Merde/x/x;
if k0=2 then F1:=zy*gamma*m*Merde/x/x;
if k0=3 then F1:=-zy*gamma*m*Merde/x;
if k0=4 then F1:=-zy*gamma*Merde/x;
if (240-round(F1)>=70) and(240-round(F1)<=410) then
putpixel(140+round(x/zx),240-round(F1),farbe);
until (x>=r-Rmond) or (x>=zx*460);
x:=r+Rmond-dr;
repeat
x:=x+dr;
if k0=1 then F1:=zy*gamma*Merde/x/x;
if k0=2 then F1:=zy*gamma*m*Merde/x/x;
if k0=3 then F1:=-zy*gamma*m*Merde/x;
if k0=4 then F1:=-zy*gamma*Merde/x;
if (240-round(F1)>=70) and(240-round(F1)<=410) then
putpixel(140+round(x/zx),240-round(F1),farbe);
until x>=zx*460;
end;
procedure s1;
begin
farbe:=farbe2;
g0;
s00;
end;
procedure l1;
begin
farbe:=farbe0;
g0;
end;
procedure arbeit;
begin
x:=xend;
dx:=0.5*zx;
if x<=-Rerde then
begin
if hil1=1 then
F1:=-zy*gamma*m*Merde/(x-dx)/x;
if hil2=1 then
F1:=-zy*gamma*m*Mmond/(r-x-dx)/(r-x);
if hil3=1 then
F1:=zy*gamma*m*(-Merde/(x-dx)/x-Mmond/(r-x-dx)/(r-x));
if k00=1 then flaeche:=flaeche+F1*dx/Rerde;
if k00=0 then flaeche:=flaeche-F1*dx/Rerde;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
putpixel(140+round(x/zx),240-round(flaeche/zy*16),farbe7);
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
end;
if (x>=-Rerde) and (x<=Rerde) and (hil1=1) then
begin
F1:=zy*gamma*m*Merde/Rerde/Rerde/Rerde*x;
{ flaeche:=zy*(-1/2*gamma*m*Merde/Rerde+1/2*gamma*m*Merde/Rerde/Rerde/Rerde*x*x)/Rerde;}
if k00=1 then flaeche:=flaeche+F1*dx/Rerde;
if k00=0 then flaeche:=flaeche-F1*dx/Rerde;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
putpixel(140+round(x/zx),240-round(flaeche/zy*16),farbe7);
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
end;
if (x>=Rerde) and (x<=r-Rmond-dx) then
begin
if hil1=1 then
F1:=zy*gamma*m*Merde/(x+dx)/x;
if hil2=1 then
F1:=-zy*gamma*m*Mmond/(r-x+dx)/(r-x);
if hil3=1 then
F1:=zy*gamma*m*(Merde/(x+dx)/x-Mmond/(r-x+dx)/(r-x));
if k00=1 then flaeche:=flaeche+F1*dx/Rerde;
if k00=0 then flaeche:=flaeche-F1*dx/Rerde;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
putpixel(140+round(x/zx),240-round(flaeche/zy*16),farbe7);
end;
if x>=r+Rmond then
begin
if hil1=1 then
F1:=zy*gamma*m*Merde/(x+dx)/x;
if hil2=1 then
F1:=zy*gamma*m*Mmond/(r-x+dx)/(r-x);
if hil3=1 then
F1:=zy*gamma*m*(Merde/(x+dx)/x+Mmond/(r-x+dx)/(r-x));
if k00=1 then flaeche:=flaeche+F1*dx/Rerde;
if k00=0 then flaeche:=flaeche-F1*dx/Rerde;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
putpixel(140+round(x/zx),240-round(flaeche/zy*16),farbe7);
end;
end;
procedure pf0;
begin
if hil1=1 then
begin
setcolor(fa2);
if xanf<-Rerde then
begin
F1:=zy1*gamma*m*Merde/xanf/xanf;
line(140+round(xanf/zx),290,140+round(xanf/zx+F1),290);
line(135+round(xanf/zx+F1),287,140+round(xanf/zx+F1),290);
line(135+round(xanf/zx+F1),293,140+round(xanf/zx+F1),290);
end;
if (xanf>=-Rerde) and (xanf<=0) then
begin
F1:=-zy1*gamma*m*Merde/Rerde/Rerde/Rerde*xanf;
line(140+round(xanf/zx),290,140+round(xanf/zx+F1),290);
line(135+round(xanf/zx+F1),287,140+round(xanf/zx+F1),290);
line(135+round(xanf/zx+F1),293,140+round(xanf/zx+F1),290);
end;
if (xanf<=Rerde) and (xanf>0) then
begin
F1:=-zy1*gamma*m*Merde/Rerde/Rerde/Rerde*xanf;
line(140+round(xanf/zx),290,140+round(xanf/zx+F1),290);
line(145+round(xanf/zx+F1),287,140+round(xanf/zx+F1),290);
line(145+round(xanf/zx+F1),293,140+round(xanf/zx+F1),290);
end;
if (xanf>=Rerde) and (xanf<=r-Rmond) then
begin
F1:=-zy1*gamma*m*Merde/xanf/xanf;
line(140+round(xanf/zx),290,140+round(xanf/zx+F1),290);
line(145+round(xanf/zx+F1),287,140+round(xanf/zx+F1),290);
line(145+round(xanf/zx+F1),293,140+round(xanf/zx+F1),290);
end;
if xanf>r+Rmond then
begin
F1:=-zy1*gamma*m*Merde/xanf/xanf;
line(140+round(xanf/zx),290,140+round(xanf/zx+F1),290);
line(145+round(xanf/zx+F1),287,140+round(xanf/zx+F1),290);
line(145+round(xanf/zx+F1),293,140+round(xanf/zx+F1),290);
end;
str(-F1/zy1:6:5,ortx6);
if k0=1 then outtextxy(300,360,ortx6+' m/sý');
if k0=2 then outtextxy(300,360,ortx6+' N');
end;
if hil2=1 then
begin
setcolor(fa3);
if xanf<-Rerde then
begin
F2:=zy1*gamma*m*Mmond/(r-xanf)/(r-xanf);
line(140+round(xanf/zx),285,140+round(xanf/zx+F2),285);
line(135+round(xanf/zx+F2),282,140+round(xanf/zx+F2),285);
line(135+round(xanf/zx+F2),288,140+round(xanf/zx+F2),285);
end;
if (xanf>=Rerde) and (xanf<r-Rmond) then
begin
F2:=zy1*gamma*m*Mmond/(r-xanf)/(r-xanf);
line(140+round(xanf/zx),285,140+round(xanf/zx+F2),285);
line(135+round(xanf/zx+F2),282,140+round(xanf/zx+F2),285);
line(135+round(xanf/zx+F2),288,140+round(xanf/zx+F2),285);
end;
if xanf>=r+Rmond then
begin
F2:=-zy1*gamma*m*Mmond/(r-xanf)/(r-xanf);
line(140+round(xanf/zx),285,140+round(xanf/zx+F2),285);
line(145+round(xanf/zx+F2),282,140+round(xanf/zx+F2),285);
line(145+round(xanf/zx+F2),288,140+round(xanf/zx+F2),285);
end;
str(-F2/zy1:6:5,ortx7);
if k0=1 then outtextxy(300,375,ortx7+' m/sý');
if k0=2 then outtextxy(300,375,ortx7+' N');
end;
if hil3=1 then
begin
setcolor(fa4);
if xanf<-Rerde then
begin
Fres:=-zy1*gamma*m*(-Merde/xanf/xanf-Mmond/(r-xanf)/(r-xanf));
line(140+round(xanf/zx),295,140+round(xanf/zx+Fres),295);
line(135+round(xanf/zx+Fres),292,140+round(xanf/zx+F1),295);
line(135+round(xanf/zx+Fres),298,140+round(xanf/zx+F1),295);
end;
if (xanf>=Rerde) and (xanf<r-Rmond) then
begin
Fres:=-zy1*gamma*m*(Merde/xanf/xanf-Mmond/(r-xanf)/(r-xanf));
if Fres<0 then
begin
line(140+round(xanf/zx),295,140+round(xanf/zx+Fres),295);
line(145+round(xanf/zx+Fres),292,140+round(xanf/zx+Fres),295);
line(145+round(xanf/zx+Fres),298,140+round(xanf/zx+Fres),295);
end;
if Fres>0 then
begin
line(140+round(xanf/zx),295,140+round(xanf/zx+Fres),295);
line(135+round(xanf/zx+Fres),292,140+round(xanf/zx+Fres),295);
line(135+round(xanf/zx+Fres),298,140+round(xanf/zx+Fres),295);
end;
end;
if xanf>r+Rmond then
begin
Fres:=-zy1*gamma*m*(Merde/xanf/xanf+Mmond/(r-xanf)/(r-xanf));
line(140+round(xanf/zx),295,140+round(xanf/zx+Fres),295);
line(145+round(xanf/zx+Fres),292,140+round(xanf/zx+Fres),295);
line(145+round(xanf/zx+Fres),298,140+round(xanf/zx+Fres),295);
end;
str(-Fres/zy1:6:5,ortx8);
if k0=1 then outtextxy(300,390,ortx8+' m/sý');
if k0=2 then outtextxy(300,390,ortx8+' N');
end;
setcolor(fa5);
str(xanf/1e6:5:2,ortx9);
outtextxy(300,405,ortx9+' tausend km');
circle(140+round(xanf/zx),243,2);
setlinestyle(1,0,1);
line(140+round(xanf/zx),244,140+round(xanf/zx),295);
setlinestyle(0,0,1);
end;
procedure pfeilhin;
begin
fa2:=farbe2;
fa3:=farbe3;
fa4:=farbe4;
fa5:=farbe5;
pf0;
end;
procedure pfeilweg;
begin
fa2:=farbe0;
fa3:=farbe0;
fa4:=farbe0;
fa5:=farbe0;
pf0;
end;
procedure innen;
begin
if k0=1 then
begin
setcolor(farbe);
x:=Rerde;
F1:=-zy*gamma*Merde/x/x;
x:=Rerde;
F2:=zy*gamma*Merde/x/x;
line(140-round(Rerde/zx),240-round(F1),140+round(Rerde/zx),240-round(F2));
end;
if k0=2 then
begin
setcolor(farbe);
x:=Rerde;
F1:=-zy*gamma*m*Merde/x/x;
x:=Rerde;
F2:=zy*gamma*m*Merde/x/x;
line(140-round(Rerde/zx),240-round(F1),140+round(Rerde/zx),240-round(F2));
end;
if k0=3 then
begin
x:=-Rerde-dr;
repeat
x:=x+dr;
y0:=-zy*gamma*3/2*m*Merde/Rerde+zy*gamma/2*m*Merde/Rerde/Rerde/Rerde*x*x;
putpixel(140+round(x/zx),240-round(y0),farbe);
until x>=Rerde;
end;
if k0=4 then
begin
x:=-Rerde-dr;
repeat
x:=x+dr;
y0:=-zy*gamma*3/2*Merde/Rerde+zy*gamma/2*Merde/Rerde/Rerde/Rerde*x*x;
putpixel(140+round(x/zx),240-round(y0),farbe);
until x>=Rerde;
end;
end;
procedure setzinnen;
begin
farbe:=farbe2;
innen;
end;
procedure loeschinnen;
begin
farbe:=farbe0;
innen;
end;
procedure graphik;
begin
setbkcolor(farbe0);
setcolor(farbe1);
s00;
line(10,30,630,30);
line(10,450,630,450);
line(10,30,10,450);
line(630,30,630,450);
outtextxy(200,15,'Gravitation - Feldst„rkenverlauf ');
outtextxy(30,470,'Zoomen (x/X/y/Y) Aufl”sung verbessern/verringern (V/v) beenden (b)');
outtextxy(3,457,'Feldst„rke der Erde//des Mondes//res. Feldst„rke setzen/l”schen (E/e//M/m//G/g) ');
setcolor(7);
outtextxy(5,55,'Feldst„rke-Pfeile setzen//nach rechts/links verschieben//zoomen (4/5//6/7//z/Z)');
outtextxy(50,40,'Die Markierungen in x - Richtung werden alle 50.000 km gesetzt');
outtextxy(130,440,'Feldverlauf im Erdinnern anzeigen/l”schen (1/0)');
end;
procedure graphik2;
begin
setbkcolor(farbe0);
setcolor(farbe1);
s00;
line(10,30,630,30);
line(10,450,630,450);
line(10,30,10,450);
line(630,30,630,450);
outtextxy(200,15,'Gravitationskraft und Hubarbeit ');
outtextxy(30,470,'Zoomen (x/X/y/Y) Aufl”sung verbessern/verringern (V/v) beenden (b)');
outtextxy(3,457,'Grav-kraft der Erde//des Mondes//res. Grav-kraft setzen/l”schen (E/e//M/m//G/g) ');
setcolor(7);
outtextxy(50,40,'Die Markierungen in x - Richtung werden alle 50.000 km gesetzt');
outtextxy(30,55,'Kraft-Pfeile setzen//nach rechts/links verschieben//zoomen (5//6/7//z/Z)');
outtextxy(53,425,'Masse vergrӇern/verkleinern (2/3)');
outtextxy(23,440,'Hubarbeit : Anfangspunkt setzen//l”schen//verschieben (s/t/T/u//S//R/L/r/l)');
end;
procedure graphik3;
begin
setbkcolor(farbe0);
setcolor(farbe1);
s00;
line(10,30,630,30);
line(10,450,630,450);
line(10,30,10,450);
line(630,30,630,450);
outtextxy(200,15,'Lageenergie im Gravitationsfeld ');
outtextxy(30,470,'Zoomen (x/X/y/Y) Aufl”sung verbessern/verringern (V/v) beenden (b)');
outtextxy(13,457,'Lageenergie der Erde//des Mondes//res.Energie setzen/l”schen (E/e//M/m//G/g) ');
setcolor(7);
outtextxy(53,425,'Masse vergrӇern/verkleinern (2/3)');
outtextxy(50,40,'Die Markierungen in x - Richtung werden alle 50.000 km gesetzt');
outtextxy(75,440,'Lageenergieverlauf im Erdinnern anzeigen/l”schen (1/0)');
end;
procedure graphik4;
begin
setbkcolor(farbe0);
setcolor(farbe1);
s00;
line(10,30,630,30);
line(10,450,630,450);
line(10,30,10,450);
line(630,30,630,450);
outtextxy(250,15,'Gravitationspotential ');
outtextxy(30,470,'Zoomen (x/X/y/Y) Aufl”sung verbessern/verringern (V/v) beenden (b)');
outtextxy(13,457,'Potential der Erde//des Mondes//Gesamtpotential setzen/l”schen (E/e//M/m//G/g) ');
setcolor(7);
outtextxy(50,40,'Die Markierungen in x - Richtung werden alle 50.000 km gesetzt');
outtextxy(75,440,'Potentialverlauf im Erdinnern anzeigen/l”schen (1/0)');
end;
procedure auswahl;
begin
flaeche:=0;
m:=1;
dx:=0.5*zx;
wahl:=' ';
repeat
if keypressed then wahl:=readkey;
case wahl of
'5':
begin
if k0=1 then
begin
zy1:=10000;
xanf:=3e8;
pfeilhin;
wahl:=' ';
end;
if k0=2 then
begin
zy1:=10;
xanf:=Rerde;
pfeilhin;
wahl:=' ';
end;
end;
'4':
begin
if k0=1 then
begin
zy1:=100;
xanf:=2e7;
pfeilhin;
wahl:=' ';
end;
if k0=2 then
begin
zy1:=200;
xanf:=5e7;
pfeilhin;
wahl:=' ';
end;
end;
'7':
begin
if (k0=1) or (k0=2) then
begin
pfeilweg;
xanf:=xanf-dx;
pfeilhin;
wahl:=' ';
end;
end;
'6':
begin
if (k0=1) or (k0=2) then
begin
pfeilweg;
xanf:=xanf+dx;
pfeilhin;
wahl:=' ';
end;
end;
'Z':
begin
if (k0=1) or (k0=2) then
begin
pfeilweg;
zy1:=zy1*1.1;
pfeilhin;
wahl:=' ';
end;
end;
'z':
begin
if (k0=1) or (k0=2) then
begin
pfeilweg;
zy1:=zy1*0.9;
pfeilhin;
wahl:=' ';
end;
end;
'S':
begin
cleardevice;
if k0=1 then graphik;
if k0=2 then graphik2;
if k0=3 then graphik3;
s00;
if hil0=1 then setzinnen;
if hil1=1 then s1;
if hil2=1 then s2;
if hil3=1 then s3;
wahl:=' ';
end;
's':
begin
if k0=2 then
begin
setcolor(farbe0);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
xanf:=Rerde;
xend:=xanf;
flaeche:=0;
x:=xend;
F1:=zy*gamma*m*Merde/x/x;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'u':
begin
if k0=2 then
begin
setcolor(farbe0);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
xanf:=5e7;
xend:=xanf;
flaeche:=0;
x:=xend;
F1:=zy*gamma*m*Merde/x/x;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
't':
begin
if k0=2 then
begin
setcolor(farbe0);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
xanf:=-Rerde;
xend:=xanf;
flaeche:=0;
x:=xend;
F1:=zy*gamma*m*Merde/x/x;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240+round(F1));
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'T':
begin
if k0=2 then
begin
setcolor(farbe0);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
xanf:=0;
xend:=xanf;
flaeche:=0;
x:=xend;
F1:=0;
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe5);
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
line(140+round(x/zx),240,140+round(x/zx),240+round(F1));
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'r':
begin
if k0=2 then
begin
setcolor(farbe0);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
k00:=1;
xend:=xend+dx;
arbeit;
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'l':
begin
if k0=2 then
begin
setcolor(farbe0);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
k00:=0;
xend:=xend-dx;
arbeit;
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'R':
begin
if k0=2 then
begin
setcolor(farbe0);
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
xanf:=xanf+dx;
xend:=xanf;
x:=xanf;
if (x>=-Rerde) or (x<=Rerde) then F1:=zy*gamma*m*Merde/x/x;
if (x<Rerde) and (x>-Rerde) then F1:=zy*gamma*m*Merde/Rerde/Rerde/Rerde*x;
setcolor(farbe5);
line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'L':
begin
if k0=2 then
begin
setcolor(farbe0);
if x>-Rerde then line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
if x<=-Rerde then line(140+round(x/zx),240,140+round(x/zx),240+round(F1));
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
xanf:=xanf-dx;
xend:=xanf;
x:=xanf;
if (x>=-Rerde) or (x<=Rerde) then F1:=zy*gamma*m*Merde/x/x;
if (x<Rerde) and (x>-Rerde) then F1:=zy*gamma*m*Merde/Rerde/Rerde/Rerde*x;
setcolor(farbe5);
if x>-Rerde then line(140+round(x/zx),240,140+round(x/zx),240-round(F1));
if x<=-Rerde then line(140+round(x/zx),240,140+round(x/zx),240+round(F1));
str(x/1e6:5:2,ortx5);
outtextxy(450,395,ortx5+' tausend km');
setcolor(farbe7);
str(flaeche*Rerde/zy/1e6:4:2,ortx4);
outtextxy(450,410,ortx4+' MJ');
setcolor(farbe2);
str(F1/zy:5:2,ortx6);
outtextxy(450,380,ortx6+' N');
wahl:=' ';
end;
end;
'1':
begin
setzinnen;
hil0:=1;
wahl:=' ';
end;
'0':
begin
loeschinnen;
hil0:=0;
wahl:=' ';
end;
'e':