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| unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, ExtCtrls, ComCtrls, Menus, XpMan;
type
Point3d=record
x,y,z:real
end;
MPoint3d=array [1..4] of Point3d;
TForm1 = class(TForm)
Image1: TImage;
Button1: TButton;
Button2: TButton;
GroupBox2: TGroupBox;
Timer1: TTimer;
Timer2: TTimer;
procedure Button1Click(Sender: TObject);
procedure Button2Click(Sender: TObject);
procedure TrackBar1Change(Sender: TObject);
procedure TrackBar2Change(Sender: TObject);
procedure TrackBar3Change(Sender: TObject);
procedure N3Click(Sender: TObject);
procedure N4Click(Sender: TObject);
procedure N6Click(Sender: TObject);
procedure N7Click(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
procedure Timer2Timer(Sender: TObject);
private
{ Private declarations }
public
{ Public declarations }
end;
var
Form1: TForm1;
SunPos:Point3d;
ground:real;
implementation
{$R *.dfm}
procedure Circle(a,b,r:real);
var
fi:real;
begin
fi:=0;
while fi<=2*3.14159 do
begin
Form1.Image1.Canvas.Pixels[(Form1.Image1.ClientWidth div 2)+round(a+r*cos(fi)),
(Form1.Image1.ClientHeight div 2)-round(b+r*sin(fi))]:=clYellow;
fi:=fi+0.01;
end;
end;
procedure ImgClr;
begin
Form1.Image1.Canvas.Brush.Color:=clwhite;
form1.Image1.Canvas.Rectangle(0,0,form1.Image1.ClientWidth,form1.Image1.ClientHeight);
end;
function ShadowOfPoint(p:Point3d;SP:Point3d;ground:real):Point3d;
var t:real;
begin
t:=(p.z-SP.z)/(ground-SP.z);
p.x:=(p.x-Sp.x*(1-t))/t;
p.y:=(p.y-SP.y*(1-t))/t;
p.z:=0;
ShadowOfPoint:=p
end;
function P3dTo2d(P3d:Point3d):TPoint;
var
P2d:TPoint;
begin
P2d.x:=round(((P3d.y -P3d.x)*cos(pi/6))+Form1.Image1.ClientWidth/2);
P2d.y:=round(Form1.Image1.ClientHeight/2-(P3d.z-(P3d.y+P3d.x)*sin(pi/6)));
P3dTo2d:=P2d;
end;
Procedure ShadowOfSide(A:MPoint3d);
var C:array [1..4] of TPoint; i:byte;
begin
c[1]:=P3dTo2d(ShadowOfPoint(a[1],SunPos,ground));
c[2]:=P3dTo2d(ShadowOfPoint(a[2],SunPos,ground));
c[3]:=P3dTo2d(a[3]);
c[4]:=P3dTo2d(a[4]);
Form1.Image1.Canvas.Pen.Color:=clblack;
Form1.Image1.Canvas.Brush.Color:=clblack;
Form1.Image1.Canvas.Polygon(C);
end;
procedure Box(A:Point3d;B:Point3d);
var
C:array [1..4] of TPoint;
V:Point3d;
begin
V.x:=B.x; V.y:=A.y; V.z:=A.z;
c[1]:=P3dTo2d(V);
V.z:=B.z; c[2]:=P3dTo2d(V);
V:=B; c[3]:=P3dTo2d(V);
V.z:=A.z; c[4]:=P3dTo2d(V);
Form1.Image1.Canvas.Brush.Color:=clred;
Form1.Image1.Canvas.Polygon(C);
V:=B; c[1]:=P3dTo2d(V);
v.y:=a.y; c[2]:=P3dTo2d(V);
v.x:=a.x; c[3]:=P3dTo2d(V);
v.y:=b.y; c[4]:=P3dTo2d(V);
Form1.Image1.Canvas.Polygon(C);
V:=B; c[1]:=P3dTo2d(V);
v.z:=a.z; c[2]:=P3dTo2d(V);
v.x:=a.x; c[3]:=P3dTo2d(V);
v.z:=b.z; c[4]:=P3dTo2d(V);
Form1.Image1.Canvas.Polygon(C);
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
Timer2.Enabled:=not Timer2.Enabled;
end;
procedure TForm1.TrackBar1Change(Sender: TObject);
begin
if form1.Button1.Tag<>0 then Button1Click(Sender);
if form1.Button2.Tag<>0 then Button2Click(Sender);
end;
procedure TForm1.TrackBar2Change(Sender: TObject);
begin
if form1.Button1.Tag<>0 then Button1Click(Sender);
if form1.Button2.Tag<>0 then Button2Click(Sender);
end;
procedure TForm1.TrackBar3Change(Sender: TObject);
begin
if form1.Button1.Tag<>0 then Button1Click(Sender);
if form1.Button2.Tag<>0 then Button2Click(Sender);
end;
procedure TForm1.Button2Click(Sender: TObject);
begin
Timer1.Enabled:=not Timer1.Enabled;
end;
procedure TForm1.N3Click(Sender: TObject);
begin
;
end;
procedure TForm1.N4Click(Sender: TObject);
begin
Close
end;
procedure TForm1.N6Click(Sender: TObject);
begin
Button2Click(Sender)
end;
procedure TForm1.N7Click(Sender: TObject);
begin
Button1Click(Sender)
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
ImgClr;
SunPos.x:=-500;
SunPos.y:=-100;
SunPos.z:=100;
end;
procedure TForm1.Timer1Timer(Sender: TObject);
var
C,B,V:Point3d;
A:MPoint3d;
Sun:TPoint;
i:integer;
begin
ImgClr;
if SunPos.x<300 then
begin
ground:=0;
a[1].x:=0; a[2].x:=70; a[3].x:=70; a[4].x:=0;
a[1].y:=0; a[2].y:=0; a[3].y:=0; a[4].y:=0;
a[1].z:=100; a[2].z:=100; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=70; a[2].x:=70; a[3].x:=70; a[4].x:=70;
a[1].y:=0; a[2].y:=100; a[3].y:=100; a[4].y:=0;
a[1].z:=100; a[2].z:=100; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=70; a[2].x:=0; a[3].x:=0; a[4].x:=70;
a[1].y:=100; a[2].y:=100; a[3].y:=100; a[4].y:=100;
a[1].z:=100; a[2].z:=100; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=0; a[2].x:=0; a[3].x:=0; a[4].x:=0;
a[1].y:=100; a[2].y:=0; a[3].y:=0; a[4].y:=100;
a[1].z:=100; a[2].z:=100; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
c.x:=0; b.x:=70;
c.y:=0; b.y:=100;
c.z:=0; b.z:=100; Box(C,B);
SunPos.x:=SunPos.x+2;
Sun:=P3dTo2d(SunPos);
Form1.Image1.Canvas.Brush.Color:=clYellow;
Image1.Canvas.Ellipse(Sun.X,Sun.Y,Sun.X+20,Sun.Y+20);
end
else
begin
Timer1.Enabled:=false;
FormCreate(Sender);
end;
end;
procedure TForm1.Timer2Timer(Sender: TObject);
var
E:array [1..4] of TPoint;
C,B,V:Point3d;
A:MPoint3d;
Sun:TPoint;
i:integer;
begin
if SunPos.x<300 then
begin
ImgClr;
{-----------------------------------------------------}
{Тень на земле}
ground:=0;
a[1].x:=0; a[2].x:=0; a[3].x:=0; a[4].x:=0;
a[1].y:=0; a[2].y:=0; a[3].y:=10; a[4].y:=0;
a[1].z:=0; a[2].z:=0; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=30; a[2].x:=30; a[3].x:=30; a[4].x:=30;
a[1].y:=0; a[2].y:=100; a[3].y:=100; a[4].y:=0;
a[1].z:=30; a[2].z:=30; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=30; a[2].x:=0; a[3].x:=0; a[4].x:=30;
a[1].y:=100; a[2].y:=100; a[3].y:=100; a[4].y:=100;
a[1].z:=30; a[2].z:=30; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=0; a[2].x:=0; a[3].x:=0; a[4].x:=0;
a[1].y:=100; a[2].y:=0; a[3].y:=0; a[4].y:=100;
a[1].z:=30; a[2].z:=30; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
{------------------------------------------------------}
a[1].x:=-0; a[2].x:=20; a[3].x:=0; a[4].x:=0;
a[1].y:=22; a[2].y:=35; a[3].y:=30; a[4].y:=0;
a[1].z:=30; a[2].z:=80; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=0; a[2].x:=20; a[3].x:=0; a[4].x:=0;
a[1].y:=22; a[2].y:=55; a[3].y:=30; a[4].y:=90;
a[1].z:=30; a[2].z:=80; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=0; a[2].x:=20; a[3].x:=0; a[4].x:=0;
a[1].y:=22; a[2].y:=45; a[3].y:=0; a[4].y:=0;
a[1].z:=30; a[2].z:=80; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=0; a[2].x:=0; a[3].x:=0; a[4].x:=0;
a[1].y:=0; a[2].y:=0; a[3].y:=0; a[4].y:=0;
a[1].z:=0; a[2].z:=0; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
{-----------------------------------------------------}
a[1].x:=20; a[2].x:=35; a[3].x:=35; a[4].x:=20;
a[1].y:=40; a[2].y:=40; a[3].y:=40; a[4].y:=40;
a[1].z:=70; a[2].z:=70; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=35; a[2].x:=35; a[3].x:=35; a[4].x:=35;
a[1].y:=40; a[2].y:=60; a[3].y:=60; a[4].y:=40;
a[1].z:=70; a[2].z:=70; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=35; a[2].x:=20; a[3].x:=20; a[4].x:=35;
a[1].y:=60; a[2].y:=60; a[3].y:=60; a[4].y:=60;
a[1].z:=70; a[2].z:=70; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=20; a[2].x:=20; a[3].x:=20; a[4].x:=20;
a[1].y:=60; a[2].y:=40; a[3].y:=40; a[4].y:=60;
a[1].z:=70; a[2].z:=70; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
{------------------------------------------------------}
a[1].x:=0; a[2].x:=20; a[3].x:=20; a[4].x:=0;
a[1].y:=100; a[2].y:=100; a[3].y:=100; a[4].y:=100;
a[1].z:=45; a[2].z:=45; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=20; a[2].x:=20; a[3].x:=20; a[4].x:=20;
a[1].y:=100; a[2].y:=130; a[3].y:=130; a[4].y:=100;
a[1].z:=45; a[2].z:=45; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=20; a[2].x:=0; a[3].x:=0; a[4].x:=20;
a[1].y:=130; a[2].y:=130; a[3].y:=130; a[4].y:=130;
a[1].z:=45; a[2].z:=45; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
a[1].x:=0; a[2].x:=0; a[3].x:=0; a[4].x:=0;
a[1].y:=130; a[2].y:=100; a[3].y:=100; a[4].y:=130;
a[1].z:=45; a[2].z:=45; a[3].z:=0; a[4].z:=0;
ShadowOfSide(A);
{------------------------------------------------------}
c.x:=0; b.x:=30;
c.y:=0; b.y:=100;
c.z:=0; b.z:=30; Box(C,B);
{-----------------------------------------------------}
ground:=30;
{Тень на крыше
a[1].x:=0; a[2].x:=0; a[3].x:=0; a[4].x:=0;
a[1].y:=0; a[2].y:=0; a[3].y:=0; a[4].y:=0;
a[1].z:=0; a[2].z:=0; a[3].z:=0; a[4].z:=0; }
ShadowOfSide(A);
a[1].x:=35; a[2].x:=20; a[3].x:=20; a[4].x:=35;
a[1].y:=60; a[2].y:=60; a[3].y:=60; a[4].y:=60;
a[1].z:=70; a[2].z:=70; a[3].z:=30; a[4].z:=30;
ShadowOfSide(A);
{-----------------------------------------------------}
c.x:=10.5; b.x:=20;
c.y:=22; b.y:=35;
c.z:=40; b.z:=80; Box(C,B);
c.x:=0; b.x:=20;
c.y:=100; b.y:=130;
c.z:=0; b.z:=55; Box(C,B);
c.x:=30; b.x:=50;
c.y:=40; b.y:=50;
c.z:=0; b.z:=30; Box(C,B);
c.x:=0; b.x:=0;
c.y:=0; b.y:=0;
c.z:=0; b.z:=0; Box(C,B);
c.x:=19; b.x:=30;
c.y:=40; b.y:=50;
c.z:=30; b.z:=60; Box(C,B);
v.x:=30;
v.y:=10;
v.z:=30;
{-----------------------------------------------------}
{Прорисовываем задние стены}
e[1]:=P3dTo2d(V);
v.y:=0; e[2]:=P3dTo2d(V);
v.z:=0; e[3]:=P3dTo2d(V);
v.y:=10; e[4]:=P3dTo2d(V);
Form1.Image1.Canvas.Polygon(E);
v.y:=60;
v.z:=30;
e[1]:=P3dTo2d(V);
v.y:=100; e[2]:=P3dTo2d(V);
v.z:=0; e[3]:=P3dTo2d(V);
v.y:=60; e[4]:=P3dTo2d(V);
Form1.Image1.Canvas.Polygon(E);
v.y:=100;
v.z:=30;
e[1]:=P3dTo2d(V);
v.x:=20; e[2]:=P3dTo2d(V);
v.z:=0; e[3]:=P3dTo2d(V);
v.x:=30; e[4]:=P3dTo2d(V);
Form1.Image1.Canvas.Polygon(E);
SunPos.x:=SunPos.x+2;
Sun:=P3dTo2d(SunPos);
Form1.Image1.Canvas.Brush.Color:=clYellow;
Image1.Canvas.Ellipse(Sun.X,Sun.Y,Sun.X+20,Sun.Y+20);
end
else
begin
Timer2.Enabled:=false;
FormCreate(Sender);
end;
end;
end. |
(
