uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls, ImgList, StdCtrls, Buttons, MPlayer;

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1 unit Unit1; interface uses Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls, ImgList, StdCtrls, Buttons, MPlayer; type TForm1 = class(tform) Cenario: TImage; ImageList1: TImageList; Button1: TButton; Image1: TImage; EditTeta: TEdit; Label1: TLabel; Button2: TButton; ImageList2: TImageList; Image2: TImage; Timer1: TTimer; EditVo: TEdit; Label2: TLabel; Label3: TLabel; Lhmax: TLabel; LAlcance: TLabel; CombA: TComboBox; Label4: TLabel; LTvoo: TLabel; BitBtn1: TBitBtn; BitBDisparo: TBitBtn; MediaPlayer1: TMediaPlayer; BitBparar: TBitBtn; MediaPlayer2: TMediaPlayer; procedure Button1Click(Sender: TObject); procedure FormCreate(Sender: TObject); procedure Putbala(xc,yc:real;v:boolean); procedure posiciona_canhao(teta:real); procedure Inicializa_Canhao_Bala; procedure Button2Click(Sender: TObject); procedure FormActivate(Sender: TObject); procedure EditTetaChange(Sender: TObject); procedure EditVoChange(Sender: TObject); procedure BitBDisparoClick(Sender: TObject); procedure Timer1Timer(Sender: TObject); procedure BitBtn1Click(Sender: TObject); procedure BitBpararClick(Sender: TObject); private { Private declarations } public { Public declarations } var

2 Form1: TForm1; x,y,xc,yc,xbc,ybc,xt,yt,xl,yl,xd,t:real; c,tc,lc:integer; image:tbitmap; teta:real; Ts,Ttotal,Hmax,D,Vo,Vox,Voy,tp,g:real; xmmax,ymmax,xwmax,ywmax:real; a:real; n1,n2,trj:boolean; implementation {$R *.dfm} function deltam(deltaw:real):real; deltam:= ymmax*deltaw/ywmax; function Mx(xW : real):real; Mx:= xw*xmmax/xwmax; function My(yW : real):real; My:= (ywmax-yw)*ymmax/ywmax; function Nx(xM : real):real; Nx:= xm/xmmax; function Ny(yM : real):real; Ny:= ym/ymmax; function Wx(xN : real):real; Wx:= XWmax*xN; function Wy(yN : real):real; Wy:= ywmax*(1-yn); procedure Tform1.Putbala(xc,yc:real;v:boolean); var xleft,ytop:real; xleft:= xc - deltam(image2.width)/2; ytop := yc - deltam(image2.height)/2;

3 image2.left:= Round(Wx(Nx(xleft))); image2.top:= Round(Wy(Ny(ytop))); image2.visible:= v; procedure Tform1.Inicializa_Canhao_Bala; xwmax:=form1.width; ywmax:=form1.height; xmmax:=160; ymmax:=160*9/16; Tc := round(wy(ny(ymmax/2))); Lc := round(wx(nx(xmmax/32))); Image1.Top := Tc; Image1.Left:= Lc; xc := Mx(image1.Left + (image1.width*1/2)); yc := My(image1.top + (image1.height*1/2)); xbc := xc + deltam(image1.width/8); ybc := yc + deltam(image1.height/8); xt := xbc - xc; yt := ybc - yc; procedure Tform1.posiciona_canhao(teta:real); a := teta*pi/180; xl := xc + round(xt*cos(a) - yt*sin(a)); yl := yc + round(yt*cos(a) + xt*sin(a)); c:= round(teta); if (teta > 60) then Image1.Left:=round(Lc - 0.7*(teta-60)); if (teta > 65) then Image1.Left:=round(Lc - (teta-65)); if (teta > 67) then Image1.Left:=round(Lc - 5*(teta-65)); if (teta >= 68) then Image1.Left:=round(Lc - 17); Image1.Picture.Assign(nil); Imagelist1.Draw(Image1.Canvas,0,0,c); Putbala(xl,yl,false); procedure TForm1.Button1Click(Sender: TObject); if (trim(editteta.text) <> '') then teta := strtofloat(trim(editteta.text)); teta := teta + 1; if (teta > 90) then teta := 90; editteta.text:=floattostr(teta); procedure TForm1.FormCreate(Sender: TObject);

4 var N:string; c:=0; tp:=0.001; timer1.enabled:= false; timer1.interval:= round(1000*tp); trj:= true; n1 := false; n2 := false; N:= Application.GetNamePath + 'canhao.mp3'; if (fileexists(n)) then n1:= true; MediaPlayer1.FileName:= N; MediaPlayer1.Open; MediaPlayer1.AutoOpen:=true; N:= Application.GetNamePath + 'explosao.mp3'; if (fileexists(n)) then n2:= true; MediaPlayer2.FileName:= N ; MediaPlayer2.Open; MediaPlayer2.AutoOpen:=true; procedure TForm1.Button2Click(Sender: TObject); if (trim(editteta.text) <> '') then teta := strtofloat(trim(editteta.text)); teta := teta - 1; if (teta < 0) then teta := 0; editteta.text:=floattostr(teta); procedure TForm1.FormActivate(Sender: TObject); Image1.Top:=Tc; Image1.Left:=Lc; Image2.Picture.Assign(nil); Imagelist2.Draw(Image2.Canvas,0,0,0); Vo := 42; Teta:= 65; EditTeta.text := '65'; EditVo.Text:='42';

5 g:=9.8; procedure TForm1.EditTetaChange(Sender: TObject); BitBdisparo.Enabled:= true; editteta.text:=trim(editteta.text); if (editteta.text <> '') then teta := strtofloat(editteta.text); if ((teta < 0 )or (teta > 90)) then showmessage('angulo Inválido!!!'); if(teta<0)then editteta.text:='0' else if(teta > 90)then editteta.text:='90'; end else Inicializa_Canhao_Bala; posiciona_canhao(teta); procedure TForm1.EditVoChange(Sender: TObject); BitBdisparo.Enabled:= true; if (Trim(EditVo.Text) <> '') then Vo := strtofloat(editvo.text); procedure TForm1.BitBDisparoClick(Sender: TObject); if( (trim(editvo.text) <> '') and (trim(editteta.text)<>'') ) then if n1 then mediaplayer1.play; sleep(100); if ((teta>0) and (teta<90)) then Vox := Vo*Cos(a);

6 Voy := Vo*Sin(a); Hmax := Voy*Voy/(2*g); Ts := Voy/g; Ttotal := 2*Ts; D:= Vox*Ttotal; xd:=0; if (teta=0) then Vox := Vo; Hmax := 1.5; Ttotal:= sqrt(2*hmax/g); D:= Vox*Ttotal; xd:=0; if (teta=90) then posiciona_canhao(90); Voy := Vo; Ts := Voy/g; Hmax := Voy*Voy/(2*g); Ttotal:= 2*Ts; t:=0; timer1.enabled:=true; EditVo.enabled:=false; EditTeta.Enabled:=false; BitBDisparo.enabled:=false; if timer1.enabled then BitBparar.Caption := 'Parar ' else BitBparar.Caption := 'Continuar'; procedure TForm1.Timer1Timer(Sender: TObject); if ((teta>0) and (teta<90)) then t:= strtoint(comba.text); if (t > 1) then t:=(t-1)*2; x:= xl + xd; y:= yl + (-4*Hmax/(D*D))*xd*(xd-D); PutBala(x,y,true); xd:=xd+vox*tp*15*t; if (xd >= D) then Lhmax.Visible:=true; Lalcance.Visible:=true; LTvoo.Visible:=true; Timer1.Enabled:=false; EditVo.Enabled:=true; EditTeta.Enabled:=true; BitBDisparo.enabled:=true;

7 Lhmax.Caption:='Altura Máxima = ' + FormatFloat('#0.00', Hmax)+' m'; Lalcance.Caption:='Alcance = '+ FormatFloat('#0.00', D)+' m'; LTvoo.Caption:='Tempo de Vôo = '+ FormatFloat('#0.00', Ttotal)+' seg'; if (teta = 0) then t:= strtoint(comba.text); if (t > 1) then t:=(t-1)*10; x:= xl + xd; y:= yl - Hmax + (-1*Hmax/(D*D))*(xd+D)*(xd-D); PutBala(x,y,true); xd:=xd+vox*tp*15*t; if (xd >= D) then Lhmax.Visible:=true; Lalcance.Visible:=true; LTvoo.Visible:=true; Timer1.Enabled:=false; EditVo.Enabled:=true; EditTeta.Enabled:=true; BitBDisparo.enabled:=true; Lhmax.Caption:='Lançamento Horizontal!'; Lalcance.Caption:='Alcance = '+ FormatFloat('#0.00', D)+' m'; LTvoo.Caption:='Tempo de Vôo = '+ FormatFloat('#0.00', Ttotal)+' seg'; if (teta = 90) then x:= xl; y:= yl + voy*t - g*t*t/2; PutBala(x,y,true); if (t < 0) then sleep(300); posiciona_canhao(92); Timer1.Enabled:=false; t := t + tp*20; if (t >= Ttotal) then Lhmax.Visible:=true; Lalcance.Visible:=true; LTvoo.Visible:=true; EditVo.Enabled:=true; EditTeta.Enabled:=true; BitBDisparo.enabled:=true;

8 PutBala(x,y,false); if n2 then mediaplayer2.play; posiciona_canhao(91); Lhmax.Caption:='Lançamento Vertical!'; Lalcance.Caption:='Altura Máxima = '+ FormatFloat('#0.00', Hmax)+' m'; LTvoo.Caption:='Tempo de Vôo = '+ FormatFloat('#0.00', Ttotal)+' seg'; t:= -1*t; procedure TForm1.BitBtn1Click(Sender: TObject); Form1.Close; procedure TForm1.BitBpararClick(Sender: TObject); EditVo.enabled:= timer1.enabled; EditTeta.Enabled:=timer1.Enabled; timer1.enabled:= not timer1.enabled; if timer1.enabled then BitBparar.Caption := 'Parar' else BitBparar.Caption := 'Continuar'; BitBdisparo.Enabled:= not timer1.enabled; end.

Kada se pokrene forma da bude plave boje. Dugme Crtaj krugove da iscrtava slučajan broj N krugova istog poluprečnika r (1/4 visine forme) čiji su

Kada se pokrene forma da bude plave boje. Dugme Crtaj krugove da iscrtava slučajan broj N krugova istog poluprečnika r (1/4 visine forme) čiji su centri na neiscrtanom krugu poluprečnika r. Dugme Boji