|
<script langauge="javascript">
addary=new Array(); //red
addary[0]=new Array(0,1,0); //red green
addary[1]=new Array(-1,0,0); //green
addary[2]=new Array(0,0,1); //green blue
addary[3]=new Array(0,-1,0); //blue
addary[4]=new Array(1,0,0); //red blue
addary[5]=new Array(0,0,-1); //red
addary[6]=new Array(255,1,1);
clrary=new Array(360);
for(i=0;i<6;i++)
for(j=0;j<60;j++)
{ clrary[60*i+j]=new Array(3);
for(k=0;k<3;k++)
{ clrary[60*i+j][k]=addary[6][k];
addary[6][k]+=(addary[i][k]*4);
};
};
function capture()
{ if(document.layers)
{ layobj=document.layers['wheel'];
layobj.document.captureEvents(Event.MOUSEMOVE);
layobj.document.onmousemove=moved;
}
else
{ layobj=document.all["wheel"];
layobj.onmousemove=moved;
};
};
function moved(e)
{ y=(document.layers)?e.layerX:event.offsetX;
x=(document.layers)?e.layerY:event.offsetY;
sx=x-128; sy=y-128;
qx=(sx<0)?0:1; qy=(sy<0)?0:1;
q=2*qy+qx; quad=new Array(-180,360,180,0);
xa=Math.abs(sx); ya=Math.abs(sy);
d=ya*45/xa;
if(ya>xa) d=90-(xa*45/ya);
deg=Math.floor(Math.abs(quad[q]-d));
n=0;
sx=Math.abs(x-128); sy=Math.abs(y-128);
r=Math.sqrt((sx*sx)+(sy*sy));
if(x==128 & y==128)
{ c="000000"; }
else
{ for(i=0;i<3;i++)
{ r2=clrary[deg][i]*r/64;
if(r>64) r2+=Math.floor(r-64)*4;
if(r2>255) r2=255;
n=256*n+Math.floor(r2);
};
c=n.toString(16);
while(c.length<6) c="0"+c;
};
if(document.layers)
{ document.layers["wheel"].document.f.t.value="#"+c;
document.layers["wheel"].bgColor="#"+c;
}
else
{ document.all["wheel"].document.f.t.value="#"+c;
document.all["wheel"].style.backgroundColor="#"+c;
};
return false;
};
</script>
|
