--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dandy/resources/sankaku.js	Thu Feb 23 14:51:33 2012 +0900
@@ -0,0 +1,42 @@
+mycos = [];
+mysin = [];
+const SANKAKU = 100000;
+const pi2 = Math.PI * 2.0;
+
+
+function sankakuf()
+{
+  for(var i=0; i < 180; i++){
+    mysin[i] = Math.sin(i / 360.0 * pi2) * SANKAKU;
+  }
+  for(i=0; i < 180; i++) {
+    mycos[i] = Math.cos(i / 360.0 * pi2) * SANKAKU;
+  }
+}
+
+function Mycos(c)
+{
+    c = parseInt(c);
+    c %= 360;
+    if(c < 0)
+	c += 360;
+    if((c <= 180))
+	return (mycos[c]);
+    if(c > 180)
+	return (mycos[180 - (c - 180)]);
+    return 0;
+}
+
+function Mysin(c)
+{
+    c = parseInt(c);
+    if(c < 1) c += 1;
+    c %= 360;
+    if( c < 0)
+	c += 360;
+    if(c <= 180)
+	return (mysin[c]);
+    if(c > 180)
+	return (mysin[180 - (c - 180)] * -1);
+    return 0;
+}