還是把程序貼出來吧 要不 蒼穹大哥會怒的

#include

#include

#include

#define PI 3.14

#define LINECOLOR 7

#define ESC 283

typedef struct

{

int x ;

int y ;

}SITE;

typedef struct

{

SITE s0 ;

SITE s1 ;

SITE s2 ;

SITE s3 ;

}RECTSITE;

int Init() ;

int drawProcess() ;

int moveRectangle(RECTSITE rectSite) ;

int End() ;

int screenMaxx2, screenMaxy2 ;

main()

{

Init();

drawProcess();

End();

}

int Init()

{

int gd = DETECT, gm = 0 ;

initgraph(&gd, &gm, "") ;

screenMaxx2 = getmaxx()/2 ;

screenMaxy2 = getmaxy()/2 ;

}

/*

Len0

s0-------s1

| |

| |Len1

| |

| |

s3-------s2

*/

int drawProcess()

{

RECTSITE rectSite ;

int moveCenterX, moveCenterY ;

int i ;

float LenR, Len0, Len1 ;

float startr, r ;

Len0 = 50 ;

Len1 = 80 ;

LenR = sqrt(Len0*Len0+Len1*Len1) ;

startr = atan(Len1/Len0) ;

moveCenterX = screenMaxx2 ;

moveCenterY = screenMaxy2 ;

rectSite.s0.x = moveCenterX ;

rectSite.s0.y = moveCenterY ;

while(!kbhit())

{

for(r = 0;r <= PI*2;r+=0.0314)

{

rectSite.s1.x = Len0*sin(r)+moveCenterX ;

rectSite.s2.x = LenR*sin(r-startr)+moveCenterX ;

rectSite.s3.x = Len1*sin(r-PI/2)+moveCenterX ;

rectSite.s1.y = Len0*cos(r)+moveCenterY ;

rectSite.s2.y = LenR*cos(r-startr)+moveCenterY ;

rectSite.s3.y = Len1*cos(r-PI/2)+moveCenterY ;

setcolor(LINECOLOR) ;

moveRectangle(rectSite) ;

delay(1000) ;

setcolor(0) ;

moveRectangle(rectSite) ;

if(kbhit())

{

if(bioskey(0) == ESC)

return 0 ;

}

}

}

}

int moveRectangle(RECTSITE rectSite)

{

line(rectSite.s0.x, rectSite.s0.y, rectSite.s1.x, rectSite.s1.y) ;

line(rectSite.s1.x, rectSite.s1.y, rectSite.s2.x, rectSite.s2.y) ;

line(rectSite.s2.x, rectSite.s2.y, rectSite.s3.x, rectSite.s3.y) ;

line(rectSite.s3.x, rectSite.s3.y, rectSite.s0.x, rectSite.s0.y) ;

}

int End()

{

setcolor(4) ;

outtextxy(screenMaxx2, screenMaxy2, "END!") ;

getch() ;

closegraph() ;

}

總結

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