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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs,AsphyreDevices,AsphyreEvents,AsphyreTimer,Vectors2,direct3d9;
type TEspacemath=record
O:TPoint2;
grd:single;
end;
type
TForm1 = class(TForm)
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure FormResize(Sender: TObject);
procedure FormPaint(Sender: TObject);
private
{ Déclarations privées }
theta,w,t:single;
espace:Tespacemath;
function x(val:single):single;
function y(val:single):single;
function convert(val:single):single;
procedure configureDevice(sender:TAsphyreDevice;Tag:TObject;var config:TscreenConfig);
procedure TimerEvent(sender:TObject);
procedure ProcessEvent (sender:TObject);
procedure RenderCallback(sender:TAsphyreDevice;Tag:TObject);
procedure DeviceReset(Sender: TAsphyreDevice; Tag: TObject;
var Params: TD3DPresentParameters);
public
{ Déclarations publiques }
end;
var
Form1: TForm1;
implementation
Const R=10;
{$R *.dfm}
procedure TForm1.configureDevice(sender:TAsphyreDevice;Tag:TObject;var config:TscreenConfig);
begin
config.WindowHandle:=self.Handle;
config.Width:=clientwidth;
config.height:=clientheight;
config.windowed:=true;
config.bitdepth:=bd24bit;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
width:=screen.Width;
height:=screen.Height div 2;
position:=poscreencenter;
formstyle:=fsstayontop;
if (not Devices.Initialize(Configuredevice,self)) then
begin
MessageDlg('asphyre n''a pas pu s''initialiser' ,mtError,[mbOk],0);
Close();
Exit;
end;
timer.Enabled:=true;
timer.OnTimer:=timerevent;
timer.MaxFPS:=100; //freq des images
with espace do begin
O:=point2(0,clientheight);
grd:=clientwidth/100;
end;
w:=40*pi/180; //vitesse angulaire 40°/s
end;
procedure TForm1.FormDestroy(Sender: TObject);
begin
Devices.Finalize;
end;
procedure TForm1.FormPaint(Sender: TObject);
begin
DefDevice.Render(rendercallback,self,$ff000000);
end;
procedure TForm1.FormResize(Sender: TObject);
begin
DefDevice.Reset(DeviceReset, Self);
end;
//---------------------------------------------------------------------------
procedure TForm1.DeviceReset(Sender: TAsphyreDevice; Tag: TObject;
var Params: TD3DPresentParameters);
begin
Params.BackBufferWidth := ClientWidth;
Params.BackBufferHeight:= ClientHeight;
end;
procedure TForm1.RenderCallback(sender:TAsphyreDevice;Tag:TObject);
var j:integer;
begin
with sender.Canvas do begin
LineAntialias:=true;
LineWidth:=1;
for j := 0 to 50 do begin
lineex(point2(x(2*j),y(0)),point2(x(2*j),y(100)),$ffffffff);
lineex(point2(x(0),y(2*j)),point2(x(100),y(2*j)),$ffffffff);
end;
LineWidth:=5;
lineex(point2(x(0),y(2)),point2(x(100),y(2)),$ff00ffff);
LineWidth:=7;
//ROUE
circle(x(R*theta+R),y(R+2),convert(R),60,$ffff0000);
LineWidth:=5;
lineex(point2(x(R*theta+R),y(R+2)),point2(x(R*theta+R+R*cos(theta)),y(R+2+R*sin(-theta))),$ffff0000);
lineex(point2(x(R*theta+R),y(R+2)),point2(x(R*theta+R+R*cos(theta+pi/2)),y(R+2+R*sin(-(theta+pi/2)))),$ffff0000);
lineex(point2(x(R*theta+R),y(R+2)),point2(x(R*theta+R+R*cos(theta+3*pi/2)),y(R+2+R*sin(-(theta+3*pi/2)))),$ffff0000);
lineex(point2(x(R*theta+R),y(R+2)),point2(x(R*theta+R+R*cos(theta+pi)),y(R+2+R*sin(-(theta+pi)))),$ffff0000);
//
end;
end;
procedure TForm1.TimerEvent(sender:TObject);
begin
caption:=floattostrF(t,fffixed,4,2)+' s'+' teta= '+floattostrf(theta*180/pi,fffixed,4,1)+' ° '+'Fréq : '+inttostr(timer.FrameRate)+' Hz';
t:=t+1/timer.MaxFPS;
If convert(R*THETA)>clientwidth then begin theta:=0; t:=0;end;
theta:=w*t;
DefDevice.Render(rendercallback,self,$ff000000);
Timer.Process;
end;
procedure TForm1.ProcessEvent (sender:TObject);
begin
//rien
end;
function TForm1.x(val:single):single;
begin
result:=espace.O.X+espace.grd*val;
end;
function TForm1.y(val: Single):single;
begin
result:=espace.O.y-espace.grd*val;
end;
function Tform1.convert(val:single):single;
begin
result:=val*espace.grd;
end;
end. |
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