From 2f7d86bd76d7dc6ee43b9dd03e2e00c7f7bfd026 Mon Sep 17 00:00:00 2001
From: Charles <charles@localhost>
Date: Thu, 26 Apr 2001 16:07:25 +0000
Subject: [PATCH]

---
 source/platform/ppendulm.cpp | 11 ++++++++---
 source/platform/ppendulm.h   |  1 +
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/source/platform/ppendulm.cpp b/source/platform/ppendulm.cpp
index d05a15515..99ae757e8 100644
--- a/source/platform/ppendulm.cpp
+++ b/source/platform/ppendulm.cpp
@@ -58,7 +58,12 @@ void CNpcPendulumPlatform::setWaypoints( sThingPlatform *ThisPlatform )
 		pivotPos.vx = newXPos << 4;
 		pivotPos.vy = newYPos << 4;
 
-		m_length = startPos.vy - pivotPos.vy;
+		s32 xDist = startPos.vx - pivotPos.vx;
+		s32 yDist = startPos.vy - pivotPos.vy;
+
+		m_maxExtension = 1024 - ratan2( abs( yDist ), abs( xDist ) );
+
+		m_length = isqrt2( ( xDist * xDist ) + ( yDist * yDist ) );
 
 		init( pivotPos );
 	}
@@ -74,7 +79,7 @@ void CNpcPendulumPlatform::processMovement( int _frames )
 {
 	if ( m_extendDir == EXTEND_LEFT )
 	{
-		if ( m_extension > 512 )
+		if ( m_extension > m_maxExtension )
 		{
 			m_extendDir = EXTEND_RIGHT;
 		}
@@ -85,7 +90,7 @@ void CNpcPendulumPlatform::processMovement( int _frames )
 	}
 	else
 	{
-		if ( m_extension < -512 )
+		if ( m_extension < -m_maxExtension )
 		{
 			m_extendDir = EXTEND_LEFT;
 		}
diff --git a/source/platform/ppendulm.h b/source/platform/ppendulm.h
index 70b4c643d..99567b486 100644
--- a/source/platform/ppendulm.h
+++ b/source/platform/ppendulm.h
@@ -27,6 +27,7 @@ protected:
 	virtual void		processMovement( int _frames );
 
 	s32					m_length;
+	s32					m_maxExtension;
 };
 
 #endif
\ No newline at end of file