在许多游戏软件Software中我们经常能看到这样场面:当某设施爆炸后屏幕画面会伴随着轻微振动使人感到身临其境笔者编写了个void MoveView( x, y);通过CRT控制器将屏幕视角左上角坐标移至 (x,y)处使画面相对移动从而产生振动效果由Borland C++ 2.0编写采用VGA 12H模式代码小、速度快、运行效果形象逼真
// filename: SHAKE.cpp
// maker: ShiLin
#
#
#
#
void MoveView( x, y);
void (void){
gdriver,gmode;
gdriver=DETECT,gmode=0;
initgraph(&gdriver,&gmode,"BORLANDCBGI");
rectangle(100,100,200,200);
outtextxy(100,250,"Press Any Key to SHAKE ...");
getch;
for( i=0;i<20;i++){
MoveView(10-random(20),5-random(10));
delay(50);
}
MoveView(0,0);
getch;
closegraph;
}
void MoveView( x, y){
union{
unsigned whole;
char low;
}adr;
unsigned char high,low;
adr.whole=y*80+x/8,
low=adr.low,
high=(unsigned char)(adr.whole>>8);
outportb(0x3D4,0X0C);
outportb(0x3D5,high);
outportb(0x3D4,0x0D);
outportb(0x3D5,low);
}
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