如果flash中，我们想实现一张图片随着计算机时间的变换，图片也发生变化，形成早晨，晚上等效果。（如果多个图片，也能用这个方法实现，下面，我们看一下案例）：
相对应的脚本：
functiontimes()
{
hh=newDate();
xiaoshi=hh.getHours();
mm=newDate();
fengzhong=mm.getMinutes();
nowtime=xiaoshi*60+fengzhong;
if(nowtime>=0&&nowtime<=300||nowtime>1200&&nowtime<1440)
{
skycolor=[5,18,7,-14,29,-10,100,0];
}//endif
if(nowtime>300&&nowtime<=330)
{
skycolor=[5+(nowtime-300)*1.500000,18-(nowtime-300)*2.930000,7+(nowtime-300)*1.200000,-14-(nowtime-300)*1.230000,29+(nowtime-300),-10-(nowtime-300)*1.330000,100,0];
}//endif
if(nowtime>330&&nowtime<=350)
{
skycolor=[49+(nowtime-330)*1.050000,-70,43+(nowtime-330)*1.100000,-51,58+(nowtime-330)*0.600000,-50,100,0];
}//endif
if(nowtime>350&&nowtime<=360)
{
skycolor=[70-(nowtime-350)*2.100000,-70+(nowtime-350)*12.100000,65+(nowtime-350)*0.700000,-51+(nowtime-350)*1.800000,70-(nowtime-350)*1.400000,-50+(nowtime-350)*5,100,0];
}//endif
if(nowtime>360&&nowtime<=375)
{
skycolor=[49+(nowtime-361)*0.357100,51+(nowtime-361)*3.071000,72-(nowtime-361)*1.285700,-33+(nowtime-361)*5.710000,56,0+(nowtime-361)*5,100,0];
}//endif
if(nowtime>375&&nowtime<=390)
{
skycolor=[54+(nowtime-375)*3.067000,94-(nowtime-375)*5.875000,54+(nowtime-375)*3.067000,47-(nowtime-375)*3.133000,54+(nowtime-375)*3.067000,70-(nowtime-375)*4.667000,100,0];
}//endif
if(nowtime>390&&nowtime<=870)
{
skycolor=[100,(nowtime-390)*0.062500,100,(nowtime-390)*0.062500,100,(nowtime-390)*0.062500,100,0];
}//endif
if(nowtime>870&&nowtime<=990)
{
skycolor=[100,30-(nowtime-870)*0.250000,100,30-(nowtime-870)*0.250000,100,30-(nowtime-870)*0.250000,100,0];
}//endif
if(nowtime>990&&nowtime<=1050)
{
skycolor=[100-(nowtime-990)*0.167000,(nowtime-990)*0.767000,100-(nowtime-990)*0.167000,0,100-(nowtime-990)*0.167000,0,100,0];
}//endif
if(nowtime>1050&&nowtime<=1070)
{
skycolor=[90+(nowtime-1050)*0.500000,46+(nowtime-1050)*6.250000,90+(nowtime-1050)*0.500000,-(nowtime-1050)*0.250000,90-(nowtime-1050)*0.800000,-(nowtime-1050)*2.100000,100,0];
}//endif
if(nowtime>1070&&nowtime<=1080)
{
skycolor=[100-(nowtime-1070)*1.700000,171-(nowtime-1070)*6,100-(nowtime-1070)*1.700000,-5,74-(nowtime-1070)*0.900000,-42+(nowtime-1070)*5.500000,100,0];
}//endif
if(nowtime>1080&&nowtime<=1110)
{
skycolor=[83-(nowtime-1080)*0.433000,111-(nowtime-1080)*5.100000,83-(nowtime-1080)*0.433000,-5-(nowtime-1080)*1.233000,65+(nowtime-1080)*0.366700,13-(nowtime-1080)*2,100,0];
}//endif
if(nowtime>1110&&nowtime<=1200)
{
skycolor=[70-(nowtime-1110)*0.722000,-42+(nowtime-1110)*0.667000,70-(nowtime-1110)*0.700000,-42+(nowtime-1110)*0.310000,76-(nowtime-1110)*0.522000,-47+(nowtime-1110)*0.411000,100,0];
}//endif
sk=newColor(sky);
x1={ra:skycolor[0],rb:skycolor[1],ga:skycolor[2],gb:skycolor[3],ba:skycolor[4],bb:skycolor[5],aa:skycolor[6],ab:skycolor[7]};
sk.setTransform(x1);
m1=newColor(mc1);
x2={ra:m1color[0],rb:m1color[1],ga:m1color[2],gb:m1color[3],ba:m1color[4],bb:m1color[5],aa:m1color[6],ab:m1color[7]};
m1.setTransform(x2);
m2=newColor(mc2);
x3={ra:m2color[0],rb:m2color[1],ga:m2color[2],gb:m2color[3],ba:m2color[4],bb:m2color[5],aa:m2color[6],ab:m2color[7]};
m2.setTransform(x3);
m3=newColor(mc3);
x4={ra:m3color[0],rb:m3color[1],ga:m3color[2],gb:m3color[3],ba:m3color[4],bb:m3color[5],aa:m3color[6],ab:m3color[7]};
m3.setTransform(x4);
m4=newColor(mc4);
x5={ra:m4color[0],rb:m4color[1],ga:m4color[2],gb:m4color[3],ba:m4color[4],bb:m4color[5],aa:m4color[6],ab:m4color[7]};
m4.setTransform(x5);
d=newColor(dao);
x6={ra:dcolor[0],rb:dcolor[1],ga:dcolor[2],gb:dcolor[3],ba:dcolor[4],bb:dcolor[5],aa:dcolor[6],ab:dcolor[7]};
d.setTransform(x6);
y1=newColor(yun1);
y2=newColor(yun2);
y3=newColor(yun3);
sun=newColor(mc5);
x7={ra:yuncolor[0],rb:yuncolor[1],ga:yuncolor[2],gb:yuncolor[3],ba:yuncolor[4],bb:yuncolor[5],aa:yuncolor[6],ab:yuncolor[7]};
y1.setTransform(x7);
y2.setTransform(x7);
y3.setTransform(x7);
sun=newColor(mc5);
sun.setTransform(x4);
sky2=newColor(_root.home.all.sky2);
sky2.setTransform(x1);
}//Endofthefunction
functionsuntimes()
{
if(nowtime>=540&&nowtime<=900)
{
mc5._y=-45;
if(nowtime<=720)
{
mc5._rotation=180+(nowtime-540)*0.388000;
}//endif
if(nowtime>720)
{
mc5._rotation=250+(nowtime-720)*0.611000;
}//endif
}
else
{
if(nowtime<540&&nowtime>=360)
{
mc5._y=180-(nowtime-360)*1.250000;
mc5._rotation=180;
}//endif
if(nowtime>=900&&nowtime<=1110)
{
mc5._y=-45+(nowtime-900)*0.900000;
mc5._rotation=0;
}//endif
if(nowtime>=0&&nowtime<360||nowtime>1100&&nowtime<=1440)
{
mc5._alpha=0;
}
else
{
mc5._alpha=100;
}//endif
}//endif
if(nowtime>360&&nowtime<=720)
{
mc5.sun._xscale=130-(nowtime-360)*0.166700;
mc5.sun._yscale=mc5.sun._xscale;
}
elseif(nowtime>720&&nowtime<=1080)
{
mc5.sun._xscale=70+(nowtime-720)*0.166700;
mc5.sun._yscale=mc5.sun._xscale;
}//endif
}//Endofthefunction
functionmoontimes()
{
if(nowtime>=1260&&nowtime<1440||nowtime>=0&&nowtime<180)
{
moon._y=-45;
if(nowtime<1440)
{
moon._rotation=180+(nowtime-1260)*0.388900;
}//endif
if(nowtime>=0&&nowtime<180)
{
moon._rotation=250+nowtime*0.611000;
}//endif
}
else
{
if(nowtime<1260&&nowtime>1080)
{
moon._y=75-(nowtime-1080)*0.666700;
moon._rotation=180;
}//endif
if(nowtime>180&&nowtime<1080)
{
moon._y=-45+(nowtime-180)*0.666700;
moon._rotation=0;
}//endif
}//endif
if(nowtime>=1080&&nowtime<=1260)
{
moon._alpha=Math.round((nowtime-1080)*0.555600);
star._alpha=Math.round((nowtime-1080)*0.555600);
}//endif
if(nowtime>1260&&nowtime<1440||nowtime>0&&nowtime<240)
{
moon._alpha=100;
star._alpha=100;
}//endif
if(nowtime>=240&&nowtime<=360)
{
moon._alpha=100-Math.round((nowtime-240)*0.833300);
star._alpha=100-Math.round((nowtime-240)*0.833300);
}//endif
if(nowtime>360&&nowtime<1080)
{
moon._alpha=0;
star._alpha=0;
}//endif
if(nowtime>1080&&nowtime<1440)
{
moon.moons._xscale=130-(nowtime-1080)*0.138890;
moon.moons._yscale=moon.moons._xscale;
}
elseif(nowtime>0&&nowtime<=360)
{
moon.moons._xscale=80+nowtime*0.138890;
moon.moons._yscale=moon.moons._xscale;
}//endif
}//Endofthefunction
varhh;
varxiaoshi;
varmm;
varss;
varfengzhong;
varnowtime;
MovieClip.prototype.moveIn=function()
{
var_l1=this;
_l1.onEnterFrame=function()
{
var_l1=this;
if(_l1._currentframe<_l1._totalframes)
{
_l1.nextFrame();
}
else
{
delete_l1["onEnterFrame"];
}//endif
};
};
MovieClip.prototype.moveOut=function()
{
var_l1=this;
_l1.gotoAndStop(_l1._totalframes);
_l1.onEnterFrame=function()
{
var_l1=this;
if(_l1._currentframe>1)
{
_l1.prevFrame();
}
else
{
delete_l1["onEnterFrame"];
}//endif
};
};
onEnterFrame=function()
{
ss=newDate();
miao=ss.getSeconds();
if(miao==59)
{
times();
suntimes();
moontimes();
}//endif
};
特别说明：这个代码最下面不是用来控制背景变化的，而是用来控制到了晚上月亮出现的位置，星星的位置。白天这些画面消失的控制。
