XPSE

 {$cleq}
declarar bpic&, bpic1&,bpicbmp&,ende&,winkel&,hintergrpic&,vordergrpic&
declarar x1!,y1!,dx!,dy!,verh&
ende&=1
bpic& = create("HPIC",-1,"data\\auto.bmp")
Ventana 20,20-800,600
Cls RGB(220,220,220)
bpicbmp& = create("hNewPic", 100,100,rgb(255,0,255))
bpic1& = create("hNewPic", 100,100,rgb(255,0,255))
hintergrpic& = create("hNewPic", 500,500,rgb(255,255,0))
vordergrpic& = create("hNewPic", 500,500,rgb(255,255,0))
startpaint bpicbmp&
drawpic bpic&,18,18;-1,$ff00ff
EndPaint
startpaint hintergrpic&
USEP 0,1,Rgb(,128,255)
usebrush 1,rgb(0,128,255)
ellipse 200,200-250,250
endpaint
verh&=75
dx!=60
dy!=60
startpaint bpic1&
drawhPicRotated(bpicbmp&,hDC,50,50,50,50,winkel&,verh&)
endpaint

WHILE ende&

    if isKey(83)

        y1!=Sin((winkel&/1000)/180.0*pi())*0.2
        x1!=Cos((winkel&/1000)/180.0*pi())*0.2
        dx!=dx!-x1!
        dy!=dy!-y1!

    endif

    if isKey(87)

        y1!=Sin((winkel&/1000)/180.0*pi())*0.2
        x1!=Cos((winkel&/1000)/180.0*pi())*0.2
        dx!=dx!+x1!
        dy!=dy!+y1!

    endif

    if isKey(81)

        winkel&=winkel&-1000
        startpaint bpic1&
        drawhPicRotated(bpicbmp&,hDC,50,50,50,50,winkel&,verh&)
        endpaint

    endif

    if isKey(69)

        winkel&=winkel&+1000
        startpaint bpic1&
        drawhPicRotated(bpicbmp&,hDC,50,50,50,50,winkel&,verh&)
        endpaint

    endif

    startpaint vordergrpic&
    drawpic hintergrpic&,0,0;0
    drawpic bpic1&,dx!,dy!;-1,$ff00ff
    endpaint
    drawpic vordergrpic&,10,10;0

ENDWHILE

end

nProc getCircP(long r,w)

    volver long(sin(0.0174532925199433*float(w)/1000.0)*float(r))

ENDPROC

nProc angleByLine(long x,y,xx,yy)

    sub y,yy
    sub x,xx

    if x

        xx=int(57295.77951 * arctan(float(y)/float(x)))
        caso x>0 : volver 270000 + xx
        volver 90000 + xx

    endif

    caso y<0 : volver 180000
    volver 0

ENDPROC

nProc drawhPicRotated(long hPic,dc,x,y,xx,yy,w,r)

    long hDCBits=createCompatibleDC(hDC)
    selectObject(hDCBits, hPic)
    long pts=dim(24)
    long w1=angleByLine(xx,yy,0,0)
    Largo w2=abs(w1-360000)
    Largo w3=abs(w1-540000)
    casenot r : r=long(sqrt(float(xx*xx+yy*yy)))\2
    long pts&,0=x+getcircp(r,w1+w)
    long pts&,4=y+getcircp(r,w1-90000+w)
    long pts&,8=x+getcircp(r,w2+w)
    long pts&,12=y+getcircp(r,w2-90000+w)
    long pts&,16=x+getcircp(r,w3+w)
    long pts&,20=y+getcircp(r,w3-90000+w)
    plgBlt(dc,pts,hDCBits,0,0,100,100,0,0,0)
    deleteDC(hDCBits)
    disponer(pts)

ENDPROC

startpaint irgendWas
test(hDC)
endpaint

nProc test (long dc)

    setPixel(dc,0,0,$FFFFFF)

ENDPROC