📄 ddex1.cpp
字号:
};
for(int l=0;l<6;l++)
{ i[l][0]+=i[l][4];
i[l][2]+=i[l][4];
i[l][1]+=i[l][5];
i[l][3]+=i[l][5];
rectFill(ddsd,i[l][0],i[l][1],i[l][2],i[l][3],color);
color+=0x39e7;
}
for(l = 0;l<6;l++)
{ if( i[l][0]== 0||i[l][0]==639||i[l][2]==0||i[l][2]==639)
{ i[l][4] = -i[l][4];
if(i[l][1] == 0||i[l][1]==479||i[l][3]==0||i[l][3]==479)
i[l][5]= -i[l][5];
continue;
}
if(i[l][1] == 0||i[l][1]==479||i[l][3]==0||i[l][3]==479)
{ i[l][5]= -i[l][5];
continue;
}
for(int j=0;j<6;j++)
{ if(l!=j)
{ if(i[l][1]<=i[j][3]&&i[l][3]>=i[j][1])
if(i[l][0]==i[j][2]||i[l][0]+i[l][4]==i[j][2]||i[l][2]==i[j][0]||i[l][2]+i[l][4]==i[j][0])
{ i[l][4]=-i[l][4];
break;
}
}
}
for(j=0;j<6;j++)
{ if(l!=j)
{ if(i[l][0]<=i[j][2]&&i[l][2]>=i[j][0])
if(i[l][1]==i[j][3]||i[l][1]+i[l][5]==i[j][3]||i[l][3]==i[j][1]||i[l][3]+i[l][5]==i[j][1])
{ i[l][5]=-i[l][5];
break;
}
}
}
}
}
void polygonDemo1(DDSURFACEDESC* ddsd)
{ static unsigned char rrr=0,ggg=80,bbb=160;
WORD color=RGBto16bit(&ddsd->ddpfPixelFormat,rrr,ggg,bbb);
rrr+=2;ggg+=1;bbb+=2;
static POINT points[5]={ {340,80},
{490,180},
{400,300},
{250,330},
{120,200}
};
static int range[5][6]={ {300,60,360,120,1,1},
{440,110,600,210,-1,1},
{380,270,460,380,-1,1},
{200,280,320,440,-1,-1},
{100,150,200,260,1,-1}
};
for(int i=0;i<5;i++)
{ points[i].x += range[i][4];
points[i].y += range[i][5];
if(points[i].x <= range[i][0]||points[i].x >= range[i][2])
range[i][4] = -range[i][4];
if(points[i].y <= range[i][1]||points[i].y >= range[i][3])
range[i][5] = -range[i][5];
}
drawPolygon(ddsd,points,5,color);
}
void polygonDemo2(DDSURFACEDESC* ddsd)
{ static unsigned char rrr=0,ggg=80,bbb=160;
WORD color=RGBto16bit(&ddsd->ddpfPixelFormat,rrr,ggg,bbb);
rrr+=2;ggg+=1;bbb+=2;
static POINT points[5]={ {320,100},
{100,250},
{210,440},
{500,390},
{500,150}
};
static int range[5][6]={ {210,-50,400,120,1,1},
{-50,130,210,380,-1,1},
{150,410,280,540,1,-1},
{460,360,560,460,-1,-1},
{480,130,700,260,1,-1}
};
for(int i=0;i<5;i++)
{ points[i].x += range[i][4];
points[i].y += range[i][5];
if(points[i].x <= range[i][0]||points[i].x >= range[i][2])
range[i][4] = -range[i][4];
if(points[i].y <= range[i][1]||points[i].y >= range[i][3])
range[i][5] = -range[i][5];
}
polygonFill(ddsd,points,5,color);
}
typedef struct { float x,y; }Complex;
inline Complex complexSquare(Complex c)
{ Complex cSq;
cSq.x = c.x*c.x - c.y*c.y;
cSq.y = 2*c.x*c.y;
return cSq;
}
inline int iterate(Complex zInit,int maxIter)
{ Complex z=zInit;
int cnt = 0;
while((z.x*z.x+z.y*z.y<=4.0)&&(cnt < maxIter))
{ z = complexSquare(z);
z.x += zInit.x;
z.y += zInit.y;
cnt++;
}
return cnt;
}
void fsDemo1(DDSURFACEDESC* ddsd)
{ int nx,ny,maxIter;
WORD color;
static int l=0;
float realMin,realMax,imagMin,imagMax;
static int c[6][2]={ {0xf81f,-0x0800},{0x001f,0x0040},{0x07ff,-0x0001},
{0x07e0,0x0800},{0xffe0,-0x0040},{0xf800,0x0001}
};
nx = 640,ny = 480,maxIter = 186;
realMin = -0.78937,realMax=-0.78928,imagMin=0.16434,imagMax=0.16443;
//realMin = -0.790,realMax=-0.788,imagMin=0.161,imagMax=0.163;
float realInc = (realMax - realMin)/nx;
float imagInc = (imagMax - imagMin)/ny;
Complex z;
int x,y;
int cnt;
//for(x=l,z.x=realMin+realInc*l;x<nx;x+=201,z.x+=realInc*201)
x=l,z.x=realMin+realInc*l;
for(y=0,z.y=imagMin;y<ny;y++,z.y+=imagInc)
{ cnt = iterate(z,maxIter);
if(cnt == maxIter)
writePixel(ddsd,x,y,0x0000);
else
{ color = c[cnt/31][0] + c[cnt/31][1]*(cnt%31);
writePixel(ddsd,x,y,color);
}
}
l++;
if(l>=640)
l = 0;
}
void demo3d(DDSURFACEDESC* ddsd)
{ DDSURFACEDESC ddsdZBuf;
ddsdZBuf.dwSize = sizeof(ddsdZBuf);
HRESULT ddrval;
UINT i;
p1.rotatePoints(&m4,CONVERTALL);
face.updataParams(&p1,CONVERTALL);
p1.clearConvert();
face.clearConvert();
face.judgeSide(&p1,&pot);
// face.calLight(&vLight,groundLight,spotLight,CONVERTSIGNED);
// face.calLightSpot(&potLight,&p1,groundLight,spotLight-4,CONVERTSIGNED);
face.calLightMirror(&potLight,&p1,groundLight,spotLight,CONVERTSIGNED);
p2.copy(&p1);
p2.convertPoints(&m2,CONVERTSIGNED);
while ((ddrval=lpDDSZBuffer->Lock(NULL, &ddsdZBuf, 0, NULL)) == DDERR_WASSTILLDRAWING)
;
if(ddrval == DDERR_SURFACELOST )
{ lpDDSZBuffer->Restore();
return;
}
for(i=0;i<face.topPos;i++)
{
if(face.shouldConvert[i])
{// fillTriangle3dWithZ(ddsd,&ddsdZBuf,&p2,&face.faces[i],lightLevel[face.faces[i].light]);
fillTriangle3dWithZLT(ddsd,&ddsdZBuf,&p2,&face.faces[i],face.faces[i].light);
// drawTriangle3dWithT1(ddsd,&p2,&face.faces[i],0xffff);
}
}
lpDDSZBuffer->Unlock(NULL);
}
void demo3d2(DDSURFACEDESC* ddsd)
{ DDSURFACEDESC ddsdZBuf;
ddsdZBuf.dwSize = sizeof(ddsdZBuf);
HRESULT ddrval;
UINT i;
static UINT ii=0;
ii++;
if((ii/110)%2 == 0)
p3.rotatePoints(&m5,CONVERTALL);
else
p3.rotatePoints(&m8,CONVERTALL);
face1.updataParams(&p3,CONVERTALL);
p3.clearConvert();
face1.clearConvert();
face1.judgeSide(&p3,&pot2);
face1.calLight(&vLight,groundLight,spotLight,CONVERTSIGNED);
p4.copy(&p3);
p4.convertPoints(&m7,CONVERTSIGNED);
// while ((ddrval=lpDDSZBuffer->Lock(NULL, &ddsdZBuf, 0, NULL)) == DDERR_WASSTILLDRAWING)
// ;
// if(ddrval == DDERR_SURFACELOST )
// { lpDDSZBuffer->Restore();
// return;
// }
//for(i=0;i<p2.topPos;i++)
for(i=0;i<face1.topPos;i++)
{ //drawTriangle3d(ddsd,&p2,&face.faces[i],0xffff);
if(face1.shouldConvert[i])
{ //fillTriangle3d(ddsd,&p2,&face.faces[i],lightLevel[face.faces[i].light]);
// fillTriangle3dWithZT1(ddsd,&ddsdZBuf,&p4,&face1.faces[i],lightLevel[face1.faces[i].light]);
fillTriangle3dWithT1(ddsd,&p4,&face1.faces[i],lightLevel[face1.faces[i].light]);
// fillTriangle3dWithT1(ddsd,&p4,&face1.faces[i],lightLevel[face1.faces[i].light]);
}
}
// lpDDSZBuffer->Unlock(NULL);
}
void demoEnd()
{ static int startPosition=390, startLine = 0;
HDC hdc;
RECT rcRect;
rcRect.left = 0;
rcRect.top = 120;
rcRect.right = 640;
rcRect.bottom = 390;
if (lpDDSBack->GetDC(&hdc) == DD_OK)
{ SetBkColor( hdc, RGB( 0, 0, 255 ) );
int oldBkMode = SetBkMode(hdc,TRANSPARENT);
int pos = startPosition;
for(int i=startLine;i<lines;i++)
{ if(pos > 390)
break;
SetTextColor( hdc, RGB( 255, 255, 0 ) );
//TextOut( hdc, 20,pos, txt[i], lstrlen(txt[i]) );
ExtTextOut(hdc,20,pos,ETO_CLIPPED,&rcRect,txt[i],lstrlen(txt[i]),0);
pos += 30;
}
SetBkMode(hdc,oldBkMode);
lpDDSBack->ReleaseDC(hdc);
}
if(startPosition > 90)
startPosition--;
else
{ startPosition += 30;
if(startLine < lines-1)
startLine++;
else
{ startPosition=390;
startLine = 0;
}
}
}
DWORD WINAPI demo(LPVOID lpparm)
{ HDC hdc;
HRESULT ddrval;
DDSURFACEDESC ddsd;
ddsd.dwSize = sizeof(ddsd);
while(1){
if( bQuit )
return -1;
//ExitThread(-1);
if( bActive )
{
DDBLTFX ddbltfx;
ddbltfx.dwSize = sizeof(ddbltfx);
ddbltfx.dwFillColor = 0;
if(bClear){
lpDDSBack->Blt(NULL,NULL,NULL,DDBLT_COLORFILL|DDBLT_WAIT, &ddbltfx);
if(phase == 11)
{ ddbltfx.dwFillDepth = MAX_ZDEPTH;
lpDDSZBuffer->Blt(NULL,NULL,NULL,DDBLT_DEPTHFILL|DDBLT_WAIT, &ddbltfx);
}
while ((ddrval = lpDDSBack->Lock(NULL, &ddsd, 0, NULL)) == DDERR_WASSTILLDRAWING)
;
frames++;
if( ddrval == DD_OK )
{ switch (phase)
{ case 0:
lineDemo1(&ddsd);
break;
case 1:
lineDemo2(&ddsd);
break;
case 2:
circleDemo1(&ddsd);
break;
case 3:
circleDemo2(&ddsd);
break;
case 4:
ellipseDemo1(&ddsd);
break;
case 5:
ellipseDemo2(&ddsd);
break;
case 6:
rectDemo1(&ddsd);
break;
case 7:
rectDemo2(&ddsd);
break;
case 8:
polygonDemo1(&ddsd);
break;
case 9:
polygonDemo2(&ddsd);
break;
case 10:
fsDemo1(&ddsd);
break;
case 11:
demo3d(&ddsd);
break;
case 12:
demo3d2(&ddsd);
break;
case 13:
{ RECT rcRect;
rcRect.left = 0;
rcRect.top = 0;
rcRect.right = 640;
rcRect.bottom = 480;
lpDDSBack->Unlock(NULL);
lpDDSBack->Blt(&rcRect,lpDDSEndBmp,&rcRect, FALSE, NULL);
//lpDDSBack->BltFast(0,0,lpDDSEndBmp,&rcRect,FALSE);
demoEnd();
}
break;
default:
;
}
lpDDSBack->Unlock(NULL);
}
if (lpDDSBack->GetDC(&hdc) == DD_OK)
{
SetBkColor( hdc, RGB( 0, 0, 255 ) );
SetTextColor( hdc, RGB( 255, 255, 0 ) );
TextOut( hdc, 10, 10, szFrontMsg[phase], lstrlen(szFrontMsg[phase]) );
TextOut( hdc, 330, 420, szMsg, lstrlen(szMsg) );
TextOut( hdc, 330, 450, szMsg1, lstrlen(szMsg1) );
if(time(NULL)>tt)
{ tt = time(NULL);
rate = frames;
frames=0;
}
char cc[40];
sprintf(cc,"屏幕刷新率为：%ld幅/秒",rate);
TextOut( hdc, 120, 10, cc, lstrlen(cc) );
lpDDSBack->ReleaseDC(hdc);
}
while( 1 )
{
ddrval = lpDDSPrimary->Flip( NULL, 0 );
if( ddrval == DD_OK )
{
break;
}
if( ddrval == DDERR_SURFACELOST )
{
ddrval = lpDDSPrimary->Restore();
if( ddrval != DD_OK )
{
break;
}
}
if( ddrval != DDERR_WASSTILLDRAWING )
{
break;
}
}
}
else
{ while ((ddrval = lpDDSPrimary->Lock(NULL, &ddsd, 0, NULL)) == DDERR_WASSTILLDRAWING)
;
frames++;
if( ddrval == DD_OK )
{ switch (phase)
{ case 10:
fsDemo1(&ddsd);
break;
default:
;
}
lpDDSPrimary->Unlock(NULL);
}
if (lpDDSPrimary->GetDC(&hdc) == DD_OK)
{
SetBkColor( hdc, RGB( 0, 0, 255 ) );
SetTextColor( hdc, RGB( 255, 255, 0 ) );
TextOut( hdc, 10, 10, szFrontMsg[phase], lstrlen(szFrontMsg[phase]) );
TextOut( hdc, 330, 420, szMsg, lstrlen(szMsg) );
TextOut( hdc, 330, 450, szMsg1, lstrlen(szMsg1) );
if(time(NULL)>tt)
{ tt = time(NULL);
rate = frames;
frames=0;
}
char cc[40];
sprintf(cc,"屏幕刷新率为：%ld幅/秒",rate);
TextOut( hdc, 120, 10, cc, lstrlen(cc) );
lpDDSPrimary->ReleaseDC(hdc);
}
}
}
}
}
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -