XProfan

English

Description:

PtInRect checks, whether one point within one Rechtecks befindet.

Deklaration:

DEf @PtInRect(3) !User32,PtInRect

Parameter:

1.Parameter: RECT Structure or 16byte large Memory-Variable, The The Eckpunkte the Rechtecks angibt.=>
-byte 0-3 = X-Koordinate the left oberen corner the Rechtecks.
-byte 4-7 = Y-Koordinate the left oberen corner the Rechtecks.
-byte 8-11 = X-Koordinate the rechten downstairs corner the Rechtecks.
-byte 12-15 = Y-Koordinate the rechten downstairs corner the Rechtecks.

2.Parameter: X-Koordinate the abzufragenden Punktes.

3.Parameter: Y-Koordinate the abzufragenden Punktes.

Return Value:

0, if the point outside the Rechtecks lying, 1 if the point inside the Rechtecks lying.

Examples:

Compile Mark Separation

Declare Bild$,Random1%,Random2%,X1&,x2&,Ende%,Rect1#,Crash&,Crash2&
DEf @PtInRect(3) !"User32","PtInRect"
CHDIR $WINPATH
Let Bild$=@FindFirst$("*.BMP")
Windowstyle 31
Windowtitle "Kollisionsabfrage"
Window 0,0-640,440
Let x1&=0
Let X2&=600
MCLS 700,500
Randomize
Let Random1%=@RND(15)
Let Random2%=@RND(15)

Whilenot Ende%

    Sleep 100
    Startpaint -1
    CLS
    LoadSizedBmp Bild$, x1&,100-30,30;0
    LoadSizedBmp Bild$, x2&,100-30,30;0
    endpaint
    MCopyBmp 0,0-640,480> 0,0;0
    LET Crash&=0
    LET Crash2&=0
    Dim Rect1#,16
    Long Rect1#,0=X1&
    Long Rect1#,4=100
    Long Rect1#,8=X1&+30
    Long Rect1#,12=100+30
    LET Crash&=@PtInRect(Rect1#,x2&,100)
    LET Crash2&=Crash2&+Crash&
    LET Crash&=@PtInRect(Rect1#,x2&+30,100)
    LET Crash2&=Crash2&+Crash&
    LET Crash&=@PtInRect(Rect1#,x2&,100+30)
    LET Crash2&=Crash2&+Crash&
    LET Crash&=@PtInRect(Rect1#,x2&+30,100+30)
    LET Crash2&=Crash2&+Crash&
    Dispose Rect1#

    IF Crash2&>0

        Let ENDE%=1
        @Messagebox("Boing","Bums",64)

    endif

    LET X1&=X1&+Random1%
    LET X2&=X2&-Random2%

wend