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| var
Form1: TForm1;
implementation
{$R *.DFM}
type
Point2D=record
x,y :integer;
end;
Point3D=record
X,Y,Z :Real;
Dub:Boolean;
end;
const
NMAX = 700;{500}
kn=30;{30}
tt=200;{500}
StartX =0; StartY =0; StartZ =0;
Mul = 1.5;
type
TTrack = array [1..NMAX] of Point3D;
var
a,k : Real;
M : Point3D;
{tt: Integer;}
i: LongInt;
Track: TTrack;
procedure DrawPoint(M: Point3D; Col, R: Integer);
var
A: Point2D;
begin
with Form1.Canvas do begin
pen.color:= Col;
brush.color:= Col;
A.x:= 360 + round(( M.Y-M.X)*sqrt(3)/2);
A.y:= 360 - round((-M.Y-M.X)*0.5 + M.Z);
ellipse(A.x-R,A.y-R,A.x+R,A.y+R);
pen.color:= clBlack;
end;
end;
procedure DrawLine(M1,M2: Point3D; Col: Integer);
var
A, B: Point2D;
begin
with Form1.Canvas do begin
pen.color:= Col;
A.x:= 360 + round(( M1.Y-M1.X)*sqrt(3)/2);
A.y:= 360 - round((-M1.Y-M1.X)*0.5 + M1.Z);
B.x:= 360 + round(( M2.Y-M2.X)*sqrt(3)/2);
B.y:= 360 - round((-M2.Y-M2.X)*0.5 + M2.Z);
Moveto(A.x,A.y); Lineto(B.x,B.y);
end;
end;
procedure RotationZ(a:Real; var M: Point3D);
var tx,ty:Real;
begin
tx:=M.X; ty:=M.Y;
M.X:=tx*cos(a) + ty*sin(a);
M.Y:=tx*(-sin(a))+ty*cos(a);
end;
procedure ShowPoint3D( M: Point3D; a:Real; Del, Endt:Boolean);
var
OM, XM, YM, ZM, XYM, MM, M0: PoInt3D;
begin
if not del then begin
M0.X:=0; M0.Y:=0; M0.Z:=0;
XM.X:=-800; XM.Y:=0; XM.Z:=0; RotationZ(-a,XM);{!!!!!!!}
DrawLine(M0, XM, rgb(100,100,100));
XM.X:= 800; XM.Y:=0; XM.Z:=0; RotationZ(-a,XM);{!!!!!!!}
DrawLine(M0, XM, rgb(255,255,255));
YM.X:=0; YM.Y:=-800; YM.Z:=0; RotationZ(-a,YM);{!!!!!!!}
DrawLine(M0, YM, rgb(100,100,100));
YM.X:=0; YM.Y:= 800; YM.Z:=0; RotationZ(-a,YM);{!!!!!!!}
DrawLine(M0, YM, rgb(255,255,255));
ZM.X:=0; ZM.Y:=0; ZM.Z:=-800;
DrawLine(M0,ZM,rgb(100,100,100));
ZM.X:=0; ZM.Y:=0; ZM.Z:= 800;
DrawLine(M0,ZM,rgb(255,255,255));
with Form1.Canvas do begin
Font.Color:=rgb(200,200,200); Font.Size:=12;Brush.Color:=rgb(0,0,0);
OM.X:=310; OM.Y:=0; OM.Z:=0; RotationZ(-a,OM);
TextOut(360+round((OM.Y-OM.X)*sqrt(3)/2),360-round((-OM.Y-OM.X)*0.5+OM.Z),'X');
OM.X:=0; OM.Y:=310; OM.Z:=0; RotationZ(-a,OM);
TextOut(360+round((OM.Y-OM.X)*sqrt(3)/2),360-round((-OM.Y-OM.X)*0.5+OM.Z),'Y');
TextOut(355,5,'Z');
end;
if not Endt then begin
XM.X:=M.X; XM.Y:=0; XM.Z:=0; RotationZ(-a,XM);
YM.X:=0; YM.Y:=M.Y; YM.Z:=0; RotationZ(-a,YM);
ZM.X:=0; ZM.Y:=0; ZM.Z:=M.Z;
XYM.X:=M.X; XYM.Y:=M.Y; XYM.Z:=0; RotationZ(-a,XYM);
MM:=M; RotationZ(-a,MM);
M0.X:=0; M0.Y:=0; M0.Z:=0;
DrawLine(XM, XYM, rgb(0,200,0));
DrawLine(YM, XYM, rgb(0,200,0));
{DrawLine(M0, XYM, rgb(0,200,0));}
DrawLine(XYM, MM, rgb(0,200,0));
DrawLine(ZM, MM, rgb(0,200,0));
DrawPoint(M0, rgb(0,200,0), 2);
DrawPoint(XM, rgb(0,200,0), 2);
DrawPoint(YM, rgb(0,200,0), 2);
DrawPoint(ZM, rgb(0,200,0), 2);
DrawPoint(XYM, rgb(0,200,0), 3);
DrawPoint(MM, rgb(200,0,0), 4);
end;
end
else begin
M0.X:=0; M0.Y:=0; M0.Z:=0;
XM.X:=-800; XM.Y:=0; XM.Z:=0; RotationZ(-a,XM);{!!!!!!!}
DrawLine(M0, XM, rgb(0,0,0));
XM.X:= 800; XM.Y:=0; XM.Z:=0; RotationZ(-a,XM);{!!!!!!!}
DrawLine(M0, XM, rgb(0,0,0));
YM.X:=0; YM.Y:=-800; YM.Z:=0; RotationZ(-a,YM);{!!!!!!!}
DrawLine(M0, YM, rgb(0,0,0));
YM.X:=0; YM.Y:= 800; YM.Z:=0; RotationZ(-a,YM);{!!!!!!!}
DrawLine(M0, YM, rgb(0,0,0));
ZM.X:=0; ZM.Y:=0; ZM.Z:=-800;
DrawLine(M0,ZM,rgb(0,0,0));
ZM.X:=0; ZM.Y:=0; ZM.Z:= 800;
DrawLine(M0,ZM,rgb(0,0,0));
with Form1.Canvas do begin
Font.Color:=rgb(0,0,0); Font.Size:=12;Brush.Color:=rgb(0,0,0);
OM.X:=310; OM.Y:=0; OM.Z:=0; RotationZ(-a,OM);
TextOut(360+round((OM.Y-OM.X)*sqrt(3)/2),360-round((-OM.Y-OM.X)*0.5+OM.Z),'X');
OM.X:=0; OM.Y:=310; OM.Z:=0; RotationZ(-a,OM);
TextOut(360+round((OM.Y-OM.X)*sqrt(3)/2),360-round((-OM.Y-OM.X)*0.5+OM.Z),'Y');
TextOut(355,5,'Z');
end;
XM.X:=M.X; XM.Y:=0; XM.Z:=0; RotationZ(-a,XM);
YM.X:=0; YM.Y:=M.Y; YM.Z:=0; RotationZ(-a,YM);
ZM.X:=0; ZM.Y:=0; ZM.Z:=M.Z;
XYM.X:=M.X; XYM.Y:=M.Y; XYM.Z:=0; RotationZ(-a,XYM);
MM:=M; RotationZ(-a,MM);
M0.X:=0; M0.Y:=0; M0.Z:=0;
DrawLine(XM, XYM, rgb(0,0,0));
DrawLine(YM, XYM, rgb(0,0,0));
DrawLine(M0, XYM, rgb(0,0,0));
DrawLine(XYM, MM, rgb(0,0,0));
DrawLine(ZM, MM, rgb(0,0,0));
DrawPoint(M0, rgb(0,0,0), 2);
DrawPoint(XM, rgb(0,0,0), 2);
DrawPoint(YM, rgb(0,0,0), 2);
DrawPoint(ZM, rgb(0,0,0), 2);
DrawPoint(XYM, rgb(0,0,0), 3);
DrawPoint(MM, rgb(0,0,0), 4);
end;
end;
procedure ShowTrack(Track: TTrack; i: LongInt; a: Real; Del:Boolean);
var
j: LongInt;
MM1,MM2: Point3D;
begin
if Not Del then
for j:=1 to i-1 do begin
MM1:= Track[j]; MM2:= Track[j+1];
if (not MM2.Dub)or(not MM1.Dub) then begin
RotationZ(-a, MM1); RotationZ(-a, MM2);
DrawLine(MM1,MM2,{rgb(200}
RGB(round(((MM1.X+MM2.X)/2+(MM1.Y+MM2.Y)/2+1020)/5.647),0,0));
end;
end
else
for j:=1 to i-1 do begin
MM1:= Track[j]; MM2:= Track[j+1];
if (not MM2.Dub)or(not MM1.Dub) then begin
RotationZ(-a, MM1); RotationZ(-a, MM2);
DrawLine(MM1,MM2,rgb(0,0,0));
end;
end;
end;
procedure TForm1.Initial(Sender: TObject);
begin
M.X:=StartX; M.Y:=StartY; M.Z:=StartZ; a:=0;
k:=kn;{40 tt:=200;{200} i:=1;
Track[i].X:= M.X; Track[i].Y:= M.Y; Track[i].Z:= M.Z;
ShowPoint3D(M,a,false,false);
Timer1.Interval:=tt;
randomize;
end;
procedure TForm1.Click1(Sender: TObject);
begin
if i< NMAX then Timer1.Enabled:=true;
BitBtn1.Visible:=false;
BitBtn2.Visible:=true;
ActiveControl:=BitBtn2;
end;
procedure TForm1.Click2(Sender: TObject);
begin
Timer1.Enabled:=false;
BitBtn1.Visible:=true;
BitBtn2.Visible:=false;
ActiveControl:=BitBtn1;
end;
procedure TForm1.TimerON(Sender: TObject);
var
{MOLD: Point3D;}
t: Byte;
j:LongInt;
Fl: Boolean;
begin
ShowPoint3D(M,a,true,false);
{MOLD:=M;
repeat}
t:=random(6);
case t of
0: M.X:=M.X+k;
1: M.X:=M.X-k;
2: M.Y:=M.Y+k;
3: M.Y:=M.Y-k;
4: M.Z:=M.Z+k;
5: M.Z:=M.Z-k;
end;
{j:=1; Fl:=false;
while (j<i)and(not Fl) do begin
if (M.X=Track[j].X)and(M.Y=Track[j].Y)and(M.Z=Track[j].Z) then begin
Fl:= true;
M:=MOLD;
end;
inc(j);
end;
until not fl;}
j:=1; Fl:=false;
while (j<i)and(not Fl) do begin
if (M.X=Track[j].X)and(M.Y=Track[j].Y)and(M.Z=Track[j].Z) then Fl:= true;
if Fl then M.Dub:=true
else M.Dub:=false;
inc(j);
end;
if i>= NMAX then Timer1.Enabled:=false
else begin
inc(i);
Track[i].X:= M.X; Track[i].Y:= M.Y; Track[i].Z:= M.Z; Track[i].Dub:=M.Dub;
ShowPoint3D(M,a,false,false);
ShowTrack(Track, i, a, false);
end;
end;
{procedure TForm1.Paint(Sender: TObject);
begin
ShowPoint3D(M,a,false);
end;}
procedure TForm1.RTimer(Sender: TObject);
begin
Timer2.Interval:=100;
ShowPoint3D(M,a,true,false);
ShowTrack(Track, i, a, true);
a:=a+pi/256;
if a= 2*pi then a:=0;
if i< NMAX then ShowPoint3D(M,a,false,false)
else ShowPoint3D(M,a,false,true);
ShowTrack(Track, i, a, false);
end;
procedure TForm1.Click3(Sender: TObject);
begin
Timer2.Enabled:=true;
BitBtn3.Visible:=false;
BitBtn4.Visible:=true;
ActiveControl:=BitBtn4;
end;
procedure TForm1.Click4(Sender: TObject);
begin
Timer2.Enabled:=false;
BitBtn3.Visible:=true;
BitBtn4.Visible:=false;
ActiveControl:=BitBtn3;
end;
procedure TForm1.Click5(Sender: TObject);
var j:LongInt;
begin
if k< 150/Mul then begin
ShowTrack(Track, i, a, true);
ShowPoint3D(M,a,true,false);
for j:=1 to i do begin
Track[j].X:=Track[j].X * Mul;
Track[j].Y:=Track[j].Y * Mul;
Track[j].Z:=Track[j].Z * Mul;
end;
k:=k * Mul;
M.X:= M.X * Mul;
M.Y:= M.Y * Mul;
M.Z:= M.Z * Mul;
ShowTrack(Track, i, a, false);
if i< NMAX then ShowPoint3D(M,a,false,false)
else ShowPoint3D(M,a,false,true);
end;
end;
procedure TForm1.Click6(Sender: TObject);
var j:LongInt;
begin
if k>=Mul then begin
ShowTrack(Track, i, a, true);
ShowPoint3D(M,a,true,false);
for j:=1 to i do begin
Track[j].X:=Track[j].X / Mul;
Track[j].Y:=Track[j].Y / Mul;
Track[j].Z:=Track[j].Z / Mul;
end;
k:=k / Mul;
M.X:= M.X / Mul;
M.Y:= M.Y / Mul;
M.Z:= M.Z / Mul;
ShowTrack(Track, i, a, false);
if i< NMAX then ShowPoint3D(M,a,false,false)
else ShowPoint3D(M,a,false,true);
end;
end;
procedure TForm1.Click7(Sender: TObject);
begin
ShowTrack(Track, i, a, true);
ShowPoint3D(M,a,true,false);
if BitBtn2.Visible then Timer1.Enabled:=true;
M.X:=StartX; M.Y:=StartY; M.Z:=StartZ;
i:=1;
Track[i].X:= M.X; Track[i].Y:= M.Y; Track[i].Z:= M.Z;
ShowPoint3D(M,a,false,false);
end;
procedure TForm1.Click8(Sender: TObject);
var
temp: Cardinal;
begin
temp:= Timer1.Interval;
if temp > 50 then begin
Dec(temp,50); Timer1.Interval:=temp;
end;
end;
procedure TForm1.Click9(Sender: TObject);
var
temp: Cardinal;
begin
temp:= Timer1.Interval;
if temp < 1000 then begin
Inc(temp,50); Timer1.Interval:=temp;
end;
end;
end. |
(
Сообщение от BOGG ART
