From: Not Zed <notzed@gmail.com>
Date: Sat, 25 Jan 2020 12:14:40 +0000 (+1030)
Subject: Fixed the rotation option.
X-Git-Url: https://code.zedzone.au/cvs?a=commitdiff_plain;h=e7ea25b0b67f8c19479b05f268cf865cecd06384;p=zcl

Fixed the rotation option.
Added a couple more targets.
---

diff --git a/src/notzed.zcl.fxdemo/classes/fxdemo/fract/Mandelbrot.java b/src/notzed.zcl.fxdemo/classes/fxdemo/fract/Mandelbrot.java
index f5bd01c..47fc224 100644
--- a/src/notzed.zcl.fxdemo/classes/fxdemo/fract/Mandelbrot.java
+++ b/src/notzed.zcl.fxdemo/classes/fxdemo/fract/Mandelbrot.java
@@ -87,7 +87,12 @@ public class Mandelbrot extends Application {
 		new Target("jewel", -0.7746806106269039, -0.1374168856037867, 30),
 		new Target("starfish", -0.812223315621338, -0.185453926110785, 10),
 		new Target("spirals", -0.761574, -0.0847596, 12),
-		new Target("spikes", -1.62917, -0.0203968, 16),};
+		new Target("spikes", -1.62917, -0.0203968, 16),
+		// more from here: http://www.cuug.ab.ca/dewara/mandelbrot/images.html
+		new Target("spew", -1.315180982097868, 0.073481649996795, 32),
+		new Target("blobs", -0.04524074130409, 0.9868162207157838, 32),
+		new Target("storm", 0.452721018749286, 0.39649427698014, 32)
+	};
 
 	Target target = targets[0];
 	boolean isdouble = true;
@@ -228,7 +233,7 @@ public class Mandelbrot extends Application {
 
 				@Override
 				protected void interpolate(double frac) {
-					arg = Math.toRadians(frac * delta);
+					arg = Math.toRadians(frac * 360 * Math.signum(delta));
 				}
 			};
 			spin.setCycleCount(Timeline.INDEFINITE);
diff --git a/src/notzed.zcl.fxdemo/classes/fxdemo/fract/usage.txt b/src/notzed.zcl.fxdemo/classes/fxdemo/fract/usage.txt
index 0b363af..4844564 100644
--- a/src/notzed.zcl.fxdemo/classes/fxdemo/fract/usage.txt
+++ b/src/notzed.zcl.fxdemo/classes/fxdemo/fract/usage.txt
@@ -13,6 +13,7 @@ Usage: mandelbrot [args]
 	Set the centre zoom target point.  list will list some
 	predefined locations from
 	http://paulbourke.net/fractals/mandelbrot/
+    http://www.cuug.ab.ca/dewara/mandelbrot/images.html
 
   --a=alpha [0.005]
 	Set zoom alpha parameter.  Loosly the maximum outer zoom,
@@ -21,7 +22,7 @@ Usage: mandelbrot [args]
   --b=beta [target dependent]
 	Set the maximum inner zoom.  This is an inverse exponential
 	and the maximum value depends on the precision.  For float the
-	maximum is about 12, for double it is more than 30.
+	maximum is about 12, for double it is about 32.
 
   --c=gamma [80]
 	Set the iteration scaling rate.  This will the precision,