Highlight the tile under the mouse cursor. Increase the width of a

scene for easier testing.  Other minor clean-up.


git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@51 542714f4-19e9-0310-aa3c-eee0fc999fb1

src/java/com/threerings/media/util/MathUtil.java

@@ -0,0 +1,40 @@
+//
+// $Id: MathUtil.java,v 1.1 2001/07/16 00:45:07 shaper Exp $
+
+package com.threerings.cocktail.miso.util;
+
+import com.threerings.cocktail.miso.Log;
+
+import java.awt.Point;
+
+/**
+ * Provides miscellaneous useful utility routines for mathematical
+ * calculations.
+ */
+public class MathUtil
+{
+    /**
+     * Return the distance between the given points.
+     */
+    public static float distance (int x0, int y0, int x1, int y1)
+    {
+	return (float)Math.sqrt(((x1 - x0) * (x1 - x0)) +
+				((y1 - y0) * (y1 - y0)));
+    }
+
+    /**
+     * Return a string representation of the given line.
+     */
+    public static String lineToString (int x0, int y0, int x1, int y1)
+    {
+	return "(" + x0 + ", " + y0 + ") -> (" + x1 + ", " + y1 + ")";
+    }
+
+    /**
+     * Return a string representation of the given line.
+     */
+    public static String lineToString (Point p1, Point p2)
+    {
+	return lineToString(p1.x, p1.y, p2.x, p2.y);
+    }
+}