From 441f6e97f601ab3b0ee1dbfa62e9a6fbb2fe3c3a Mon Sep 17 00:00:00 2001
From: Ben Soares <bsoares@dundee.ac.uk>
Date: Mon, 1 Jul 2019 12:27:01 +0100
Subject: [PATCH] JAL-3333 using floats for smoother weighting

---
 src/jalview/gui/WebserviceInfo.java |   25 ++++++++++++++-----------
 1 file changed, 14 insertions(+), 11 deletions(-)

diff --git a/src/jalview/gui/WebserviceInfo.java b/src/jalview/gui/WebserviceInfo.java
index 0a46600..5240eea 100644
--- a/src/jalview/gui/WebserviceInfo.java
+++ b/src/jalview/gui/WebserviceInfo.java
@@ -82,7 +82,7 @@ public class WebserviceInfo extends GWebserviceInfo
 
   Image image;
 
-  int angle = 0;
+  float angle = 0f;
 
   String title = "";
 
@@ -797,27 +797,27 @@ protected void cancel_actionPerformed(ActionEvent e)
     {
       startTime = System.currentTimeMillis();
 
-      float invSpeed = 30f;
+      float invSpeed = 15f;
+      float factor = 1f;
       while (currentStatus < STATE_STOPPED_OK)
       {
         if (currentStatus == STATE_QUEUING)
         {
           invSpeed = 25f;
+          factor = 1f;
         }
         else if (currentStatus == STATE_RUNNING)
         {
           invSpeed = 10f;
+          factor = (float) (0.5 + 1.5
+                  * (0.5 - (0.5 * Math.sin(3.14159 / 180 * (angle + 45)))));
         }
         try
         {
           Thread.sleep(50);
 
-          int units = (int) ((System.currentTimeMillis() - startTime)
-                  / invSpeed);
-          double factor = 0.5
-                  + 1.5 * (0.5
-                          - (0.5 * Math.sin(Math.toRadians(angle + 45))));
-          angle += units * factor;
+          float delta = (System.currentTimeMillis() - startTime) / invSpeed;
+          angle += delta * factor;
           angle %= 360;
           startTime = System.currentTimeMillis();
 
@@ -842,13 +842,16 @@ protected void cancel_actionPerformed(ActionEvent e)
 
       while (angle < 360)
       {
+        float invSpeed = 5f;
+        float factor = 1f;
         try
         {
           Thread.sleep(25);
 
           int units = (int) ((System.currentTimeMillis() - startTime)
                   / 5f);
-          angle += units;
+          float delta = (System.currentTimeMillis() - startTime) / invSpeed;
+          angle += delta * factor;
           startTime = System.currentTimeMillis();
 
           if (angle >= 360)
@@ -888,9 +891,9 @@ protected void cancel_actionPerformed(ActionEvent e)
       if (image != null)
       {
         int x = image.getWidth(this) / 2, y = image.getHeight(this) / 2;
-        g.rotate(Math.toRadians(angle), x, y);
+        g.rotate(3.14159 / 180 * (angle), x, y);
         g.drawImage(image, 0, 0, this);
-        g.rotate(-Math.toRadians(angle), x, y);
+        g.rotate(-3.14159 / 180 * (angle), x, y);
       }
     }
 
-- 
1.7.10.2