unit Unit_Main;Заранее благодарен.
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, OpenGL, StdCtrls, ExtCtrls, Spin;
type
TMainForm = class(TForm)
Panel: TPanel;
RadioGroupDir: TRadioGroup;
RadioGroupAxis: TRadioGroup;
Timer: TTimer;
SpinEdit1: TSpinEdit;
Label1: TLabel;
SpinEdit2: TSpinEdit;
Label2: TLabel;
procedure FormPaint(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure FormDestroy(Sender: TObject);
procedure TimerTimer(Sender: TObject);
procedure SpinEdit1Change(Sender: TObject);
procedure SpinEdit2Change(Sender: TObject);
private
hrc: HGLRC;
angleX, angleY, angleZ: Integer;
A,B:integer;
quadObj:GLUquadricObj;
public
{ Public declarations }
end;
var
MainForm: TMainForm;
implementation
{$R *.dfm}
procedure SetDCPixelFormat(hdc: HDC);
var
pfd: TPixelFormatDescriptor;
nPixelFormat: Integer;
begin
FillChar(pfd, SizeOf(pfd), 0);
pfd.dwFlags := PFD_DRAW_TO_WINDOW or PFD_SUPPORT_OPENGL or PFD_DOUBLEBUFFER;
nPixelFormat := ChoosePixelFormat(hdc, @pfd);
SetPixelFormat(hdc, nPixelFormat, @pfd);
end;
procedure TMainForm.FormCreate(Sender: TObject);
begin
SetDCPixelFormat(Canvas.Handle);
hrc := wglCreateContext(Canvas.Handle);
A:=SpinEdit1.Value;
B:=SpinEdit2.Value;
quadObj:=gluNewQuadric;
gluQuadricDrawStyle(quadObj,GLU_FILL);
gluQuadricOrientation(quadObj,GLU_INSIDE);
end;
procedure TMainForm.FormDestroy(Sender: TObject);
begin
wglDeleteContext(hrc);
end;
procedure TMainForm.FormPaint(Sender: TObject);
begin
wglMakeCurrent(Canvas.Handle, hrc);
glViewPort(0, 0, ClientWidth-Panel.ClientWidth, ClientHeight);
glClearColor(0.0, 0.0, 0.0, 1.0);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
glEnable(GL_COLOR_MATERIAL);
glClear(GL_COLOR_BUFFER_BIT or GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_PROJECTION);
glLoadIdentity;
glFrustum(-1, 1, -1, 1, 4, 10);
glMatrixMode (GL_MODELVIEW);
glLoadIdentity;
glTranslatef(0.0, 0.0, -8.0);
glColor3f(0.0, 0.0, 1.0);
glBegin(GL_LINES);
glNormal3f(0.0, 0.0, 2.0);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(1.7, 0.0, 0.0);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(0.0, 1.7, 0.0);
glVertex3f(0.0, 0.0, 0.0);
glVertex3f(-1.0, -1.0, 1.0);
glEnd;
glColor3f(1.0, 1.0, 0.0);
glPushMatrix;
glTranslatef(1.7,0,0);
glRotatef(90,0,1,0);
gluCylinder(quadObj,0.05,0.0,0.1,10,10);
glPopMatrix;
glPushMatrix;
glTranslatef(-1.0,-1.0,1.0);
glRotatef(-30,-1,1,1);
gluCylinder(quadObj,0.05,0.0,0.1,10,10);
glPopMatrix;
glPushMatrix;
glTranslatef(0.0,1.7,0.0);
glRotatef(-90,1,0,0);
gluCylinder(quadObj,0.05,0.0,0.1,10,10);
glPopMatrix;
glColor3f(1.0, 0.0, 0.0);
glRotatef(angleX+20, 1.0, 0.0, 0.0); // поворот объекта - ось X
glRotatef(angleY, 0.0, 1.0, 0.0); // поворот объекта - ось Y
glRotatef(angleZ, 0.0, 0.0, 1.0); // поворот объекта - ось Z
glRotatef(90, -1.0, 0.0, 0.0);
gluCylinder(quadObj,0.01*B,0.0,0.01*A,10,10);
gluQuadricOrientation(quadObj,GLU_INSIDE);
gluDisk(quadObj,0.0,0.01*B,10,10);
gluQuadricOrientation(quadObj,GLU_OUTSIDE);
SwapBuffers(Canvas.Handle);
wglMakeCurrent(0, 0);
end;
procedure TMainForm.TimerTimer(Sender: TObject);
const
delta = 6;
var
d_angle: Integer;
begin
if RadioGroupDir.ItemIndex = 0 then
d_angle := delta
else
d_angle := -delta;
case RadioGroupAxis.ItemIndex of
0: begin
angleX := (angleX + d_angle) mod 360;
angleY := 0;
angleZ := 0;
end;
1: begin
angleX := 0;
angleY := (angleY + d_angle) mod 360;
angleZ := 0;
end;
2: begin
angleX := 0;
angleY := -30;
angleZ := (angleZ + d_angle) mod 360;
end;
3: begin
angleX := (angleX + d_angle) mod 360;
angleY := (angleY + d_angle) mod 360;
angleZ := (angleZ + d_angle) mod 360;
end;
end;
InvalidateRect(Handle, nil, False);
end;
procedure TMainForm.SpinEdit1Change(Sender: TObject);
begin
A:=SpinEdit1.Value;
end;
procedure TMainForm.SpinEdit2Change(Sender: TObject);
begin
B:=SpinEdit2.Value;
end;
end.
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