unit Main;
interface
uses
Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
StdCtrls, DXClass, DXDraws, Direct3D, MMSystem, D3DUtils, DIB;
type
TMainForm = class(TDXForm)
DXDraw: TDXDraw;
DXTimer: TDXTimer;
DXDIB1: TDXDIB;
procedure DXTimerTimer(Sender: TObject; LagCount: Integer);
procedure FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
procedure DXDrawInitializeSurface(Sender: TObject);
procedure DXDrawInitialize(Sender: TObject);
procedure DXDrawFinalize(Sender: TObject);
private
g_pCubeVertices: array[0..4*6-1] of TD3DVertex;
FTexture: array[0..6-1] of TDirect3DTexture2;
procedure MakeCube;
procedure FrameMovie(Time: Double);
end;
var
MainForm: TMainForm;
implementation
{$R *.DFM}
procedure TMainForm.MakeCube;
var
n0, n1, n2, n3, n4, n5: TD3DVector;
begin
// Define the normals for the cube
n0 := MakeD3DVector( 0.0, 0.0,-1.0 ); // Front face
n1 := MakeD3DVector( 0.0, 0.0, 1.0 ); // Back face
n2 := MakeD3DVector( 0.0, 1.0, 0.0 ); // Top face
n3 := MakeD3DVector( 0.0,-1.0, 0.0 ); // Bottom face
n4 := MakeD3DVector( 1.0, 0.0, 0.0 ); // Right face
n5 := MakeD3DVector(-1.0, 0.0, 0.0 ); // Left face
// Front face
g_pCubeVertices[0] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0, 1.0,-1.0), n0, 0.0, 0.0 );
g_pCubeVertices[1] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0, 1.0,-1.0), n0, 1.0, 0.0 );
g_pCubeVertices[2] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0,-1.0,-1.0), n0, 0.0, 1.0 );
g_pCubeVertices[3] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0,-1.0,-1.0), n0, 1.0, 1.0 );
// Back face
g_pCubeVertices[4] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0, 1.0, 1.0), n1, 1.0, 0.0 );
g_pCubeVertices[5] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0,-1.0, 1.0), n1, 1.0, 1.0 );
g_pCubeVertices[6] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0, 1.0, 1.0), n1, 0.0, 0.0 );
g_pCubeVertices[7] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0,-1.0, 1.0), n1, 0.0, 1.0 );
// Top face
g_pCubeVertices[8] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0, 1.0, 1.0), n2, 0.0, 0.0 );
g_pCubeVertices[9] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0, 1.0, 1.0), n2, 1.0, 0.0 );
g_pCubeVertices[10] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0, 1.0,-1.0), n2, 0.0, 1.0 );
g_pCubeVertices[11] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0, 1.0,-1.0), n2, 1.0, 1.0 );
// Bottom face
g_pCubeVertices[12] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0,-1.0, 1.0), n3, 0.0, 0.0 );
g_pCubeVertices[13] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0,-1.0,-1.0), n3, 0.0, 1.0 );
g_pCubeVertices[14] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0,-1.0, 1.0), n3, 1.0, 0.0 );
g_pCubeVertices[15] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0,-1.0,-1.0), n3, 1.0, 1.0 );
// Right face
g_pCubeVertices[16] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0, 1.0,-1.0), n4, 0.0, 0.0 );
g_pCubeVertices[17] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0, 1.0, 1.0), n4, 1.0, 0.0 );
g_pCubeVertices[18] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0,-1.0,-1.0), n4, 0.0, 1.0 );
g_pCubeVertices[19] := MakeD3DVERTEX( MakeD3DVECTOR( 1.0,-1.0, 1.0), n4, 1.0, 1.0 );
// Left face
g_pCubeVertices[20] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0, 1.0,-1.0), n5, 1.0, 0.0 );
g_pCubeVertices[21] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0,-1.0,-1.0), n5, 1.0, 1.0 );
g_pCubeVertices[22] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0, 1.0, 1.0), n5, 0.0, 0.0 );
g_pCubeVertices[23] := MakeD3DVERTEX( MakeD3DVECTOR(-1.0,-1.0, 1.0), n5, 0.0, 1.0 );
end;
procedure TMainForm.FrameMovie(Time: Double);
var
matView, matRotate: TD3DMatrix;
begin
// Set the view matrix so that the camera is backed out along the z-axis,
// and looks down on the cube (rotating along the x-axis by -0.5 radians).
FilLChar(matView, SizeOf(matView), 0);
matView._11 := 1.0;
matView._22 := cos(-0.5);
matView._23 := sin(-0.5);
matView._32 := -sin(-0.5);
matView._33 := cos(-0.5);
matView._43 := 5.0;
matView._44 := 1.0;
DXDraw.D3DDevice7.SetTransform( D3DTRANSFORMSTATE_VIEW, matView);
// Set the world matrix to rotate along the y-axis, in sync with the
// timekey
FilLChar(matRotate, SizeOf(matRotate), 0);
matRotate._11 := cos(-Time);
matRotate._13 := sin(Time);
matRotate._22 := 1.0;
matRotate._31 := -sin(Time);
matRotate._33 := cos(Time);
matRotate._44 := 1.0;
DXDraw.D3DDevice7.SetTransform( D3DTRANSFORMSTATE_WORLD, matRotate);
end;
procedure TMainForm.DXDrawInitializeSurface(Sender: TObject);
var
vp: TD3DViewport7;
mtrl: TD3DMaterial7;
matProj: TD3DMatrix;
begin
{ Viewport }
FillChar(vp, SizeOf(vp), 0);
vp.dwX := 0;
vp.dwY := 0;
vp.dwWidth := DXDraw.SurfaceWidth;
vp.dwHeight := DXDraw.SurfaceHeight;
vp.dvMinZ := 0.0;
vp.dvMaxZ := 1.0;
DXDraw.D3DDevice7.SetViewport(vp);
{ Material }
FillChar(mtrl, SizeOf(mtrl), 0);
mtrl.ambient.r := 0.0;
mtrl.ambient.g := 1.0;
mtrl.ambient.b := 0.0;
mtrl.diffuse.r := 1.0;
mtrl.diffuse.g := 1.0;
mtrl.diffuse.b := 1.0;
DXDraw.D3DDevice7.SetMaterial( mtrl );
DXDraw.D3DDevice7.SetRenderState( D3DRENDERSTATE_AMBIENT, $ffffffff);
// Set the projection matrix. Note that the view and world matrices are
// set in the App_FrameMove() function, so they can be animated each
// frame.
FilLChar(matProj, SizeOf(matProj), 0);
matProj._11 := 2.0;
matProj._22 := 2.0;
matProj._33 := 1.0;
matProj._34 := 1.0;
matProj._43 := -1.0;
DXDraw.D3DDevice7.SetTransform( D3DTRANSFORMSTATE_PROJECTION, matProj );
{ Make CUBE }
MakeCUBE;
end;
procedure TMainForm.DXTimerTimer(Sender: TObject; LagCount: Integer);
var
r: TD3DRect;
begin
if not DXDraw.CanDraw then Exit;
{ Frame Movie }
FrameMovie(GetTickCount/1000);
{ Clear Screen }
r.x1 := 0;
r.y1 := 0;
r.x2 := DXDraw.SurfaceWidth;
r.y2 := DXDraw.SurfaceHeight;
if DXDraw.ZBuffer<>nil then
DXDraw.D3DDevice7.Clear(1, r, D3DCLEAR_TARGET or D3DCLEAR_ZBUFFER, $000000, 1, 0)
else
DXDraw.D3DDevice7.Clear(1, r, D3DCLEAR_TARGET, $000000, 1, 0);
DXDraw.Surface.Fill(0);
{ Draw Screen }
asm FINIT end;
DXDraw.D3DDevice7.BeginScene;
DXDraw.D3DDevice7.SetRenderState(D3DRENDERSTATE_ALPHABLENDENABLE, 1);
DXDraw.D3DDevice7.SetRenderState(D3DRENDERSTATE_SRCBLEND, Integer(D3DBLEND_ONE));
DXDraw.D3DDevice7.SetRenderState(D3DRENDERSTATE_DESTBLEND, Integer(D3DBLEND_ONE));
DXDraw.D3DDevice7.SetRenderState(D3DRENDERSTATE_CULLMODE, Ord(D3DCULL_NONE));
DXDraw.D3DDevice7.SetTexture(0,FTexture[0].surface.IDDSurface7);
DXDraw.D3DDevice7.SetTexture(1,FTexture[1].surface.IDDSurface7);
DXDraw.D3DDevice7.SetTexture(2,FTexture[2].surface.IDDSurface7);
DXDraw.D3DDevice7.SetTexture(3,FTexture[3].surface.IDDSurface7);
DXDraw.D3DDevice7.SetTexture(4,FTexture[4].surface.IDDSurface7);
DXDraw.D3DDevice7.SetTexture(5,FTexture[5].surface.IDDSurface7);
DXDraw.D3DDevice7.DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, g_pCubeVertices[0], 4, 0);
DXDraw.D3DDevice7.DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, g_pCubeVertices[4], 4, 0);
DXDraw.D3DDevice7.DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, g_pCubeVertices[8], 4, 0);
DXDraw.D3DDevice7.DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, g_pCubeVertices[12], 4, 0);
DXDraw.D3DDevice7.DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, g_pCubeVertices[16], 4, 0);
DXDraw.D3DDevice7.DrawPrimitive(D3DPT_TRIANGLESTRIP, D3DFVF_VERTEX, g_pCubeVertices[20], 4, 0);
DXDraw.D3DDevice7.EndScene;
asm FINIT end;
{ Draw FrameRate }
with DXDraw.Surface.Canvas do
begin
try
Brush.Style := bsClear;
Font.Color := clWhite;
Font.Size := 12;
Textout(0, 0, 'FPS: '+inttostr(DXTimer.FrameRate));
if doHardware in DXDraw.NowOptions then
Textout(0, 14, 'Device: Hardware')
else
Textout(0, 14, 'Device: Software');
finally
Release; { Indispensability }
end;
end;
DXDraw.Flip;
end;
procedure TMainForm.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
{ Application end }
if Key=VK_ESCAPE then
Close;
{ Screen mode change }
if (ssAlt in Shift) and (Key=VK_RETURN) then
begin
DXDraw.Finalize;
if doFullScreen in DXDraw.Options then
begin
RestoreWindow;
DXDraw.Cursor := crDefault;
BorderStyle := bsSizeable;
DXDraw.Options := DXDraw.Options - [doFullScreen];
end else
begin
StoreWindow;
DXDraw.Cursor := crNone;
BorderStyle := bsNone;
DXDraw.Options := DXDraw.Options + [doFullScreen];
end;
DXDraw.Initialize;
end;
end;
procedure TMainForm.DXDrawInitialize(Sender: TObject);
var
i:Integer;
begin
for i:=low(FTexture) to high(FTexture) do
FTexture:=TDirect3DTexture2.Create(DXDraw,DXDIB1.DIB,False);
end;
procedure TMainForm.DXDrawFinalize(Sender: TObject);
var
i:Integer;
begin
for i:=low(FTexture) to high(FTexture) do
begin
FTexture.Free;
FTexture:=Nil;
end;
end;
end.
所有代码都贴出，请大家关注。
《Delphi DirectX图形与游戏程序设计》 John Ayres著 445页 45元 电子科技大学出版社
这本书那位有？请告诉我在那里买到？
