From e33e19d0587146859d48a134ec9fd94e7b7ba5cd Mon Sep 17 00:00:00 2001
From: "FWoltermann@gmail.com"
 <FWoltermann@gmail.com@076cb2c4-205e-83fd-5cf3-1be9aa105544>
Date: Thu, 8 Dec 2011 14:53:40 +0000
Subject: Initial upload

---
 Opcode/OpcodeLib/Ice/IceSegment.h | 55 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100644 Opcode/OpcodeLib/Ice/IceSegment.h

(limited to 'Opcode/OpcodeLib/Ice/IceSegment.h')

diff --git a/Opcode/OpcodeLib/Ice/IceSegment.h b/Opcode/OpcodeLib/Ice/IceSegment.h
new file mode 100644
index 0000000..1ddaa1a
--- /dev/null
+++ b/Opcode/OpcodeLib/Ice/IceSegment.h
@@ -0,0 +1,55 @@
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+/**
+ *	Contains code for segments.
+ *	\file		IceSegment.h
+ *	\author		Pierre Terdiman
+ *	\date		April, 4, 2000
+ */
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+// Include Guard
+#ifndef __ICESEGMENT_H__
+#define __ICESEGMENT_H__
+
+	class ICEMATHS_API IceSegment
+	{
+		public:
+		//! Constructor
+		inline_					IceSegment()															{}
+		//! Constructor
+		inline_					IceSegment(const IcePoint& p0, const IcePoint& p1) : mP0(p0), mP1(p1)		{}
+		//! Copy constructor
+		inline_					IceSegment(const IceSegment& seg) : mP0(seg.mP0), mP1(seg.mP1)			{}
+		//! Destructor
+		inline_					~IceSegment()															{}
+
+		inline_	const	IcePoint&	GetOrigin()						const	{ return mP0;						}
+		inline_			IcePoint	ComputeDirection()				const	{ return mP1 - mP0;					}
+		inline_			void	ComputeDirection(IcePoint& dir)	const	{ dir = mP1 - mP0;					}
+		inline_			float	ComputeLength()					const	{ return mP1.Distance(mP0);			}
+		inline_			float	ComputeSquareLength()			const	{ return mP1.SquareDistance(mP0);	}
+
+		inline_			void	SetOriginDirection(const IcePoint& origin, const IcePoint& direction)
+								{
+									mP0 = mP1 = origin;
+									mP1 += direction;
+								}
+
+		///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+		/**
+		 *	Computes a point on the segment
+		 *	\param		pt	[out] point on segment
+		 *	\param		t	[in] point's parameter [t=0 => pt = mP0, t=1 => pt = mP1]
+		 */
+		///////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+		inline_			void	ComputePoint(IcePoint& pt, float t)	const	{	pt = mP0 + t * (mP1 - mP0);		}
+
+						float	SquareDistance(const IcePoint& point, float* t=null)	const;
+		inline_			float	Distance(const IcePoint& point, float* t=null)			const			{ return sqrtf(SquareDistance(point, t));	}
+
+						IcePoint	mP0;		//!< Start of segment
+						IcePoint	mP1;		//!< End of segment
+	};
+
+#endif // __ICESEGMENT_H__
-- 
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