From 56efb5b7131f6a49bfc9295de268e6a212d8018d Mon Sep 17 00:00:00 2001
From: Josh Holtrop <jholtrop+git@gmail.com>
Date: Wed, 12 Oct 2011 13:47:10 -0400
Subject: [PATCH] add BREAK_RATE to fix fast fly-off

---
 modes/Tunnel.cc | 13 +++++++------
 1 file changed, 7 insertions(+), 6 deletions(-)

diff --git a/modes/Tunnel.cc b/modes/Tunnel.cc
index 90da50f..638a852 100644
--- a/modes/Tunnel.cc
+++ b/modes/Tunnel.cc
@@ -19,7 +19,8 @@ using namespace std;
 #define RING_LAYER_DIST 10
 #define XLATE_RATE 0.02
 #define REVOLUTION_TIME 15000
-#define DESTROY_DIST 250
+#define DESTROY_DIST 200
+#define BREAK_RATE 0.03
 
 Tunnel::Tunnel()
 {
@@ -34,10 +35,10 @@ Tunnel::~Tunnel()
 void Tunnel::getRandomBreakAxis(float (*axis)[3])
 {
     double alpha = rand() / (double)RAND_MAX * 2.0 * M_PI;
-    double beta = rand() / (double)RAND_MAX * (M_PI / 4.0);
+    double beta = rand() / (double)RAND_MAX * M_PI_2;
     (*axis)[0] = cos(alpha) * sin(beta);
     (*axis)[2] = sin(alpha) * sin(beta);
-    (*axis)[1] = cos(beta);
+    (*axis)[1] = 0.5 + cos(beta);
 }
 
 float Tunnel::getRandomBreakSpinSpeed()
@@ -89,9 +90,9 @@ bool Tunnel::expose (GnomeScreensaver & gs)
         if (it->break_ticks)
         {
             int break_ticks = ticks - it->break_ticks;
-            glTranslatef(break_ticks * it->break_axis[0],
-                    break_ticks * it->break_axis[1],
-                    break_ticks * it->break_axis[2]);
+            glTranslatef(BREAK_RATE * break_ticks * it->break_axis[0],
+                    BREAK_RATE * break_ticks * it->break_axis[1],
+                    BREAK_RATE * break_ticks * it->break_axis[2]);
         }
         glTranslatef(0, diff_offset, 0);
         glRotatef(it->trot, 0, 1, 0);