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+#ifndef _GLEXT_H
+#define _GLEXT_H
+//-----------------------------------------------------------------------------
+// Copyright (C) 2001 Radical Entertainment Ltd. All rights reserved.
+//
+// GLExt.h
+//
+// Description: Functions that do drawing using the OpenGL API.
+//
+// Modification History:
+// + Created Aug 21, 2001 -- bkusy
+// + grossly modified by Cary Brisebois
+//-----------------------------------------------------------------------------
+
+//----------------------------------------
+// System Includes
+//----------------------------------------
+
+//----------------------------------------
+// Project Includes
+//----------------------------------------
+
+//----------------------------------------
+// Forward References
+//----------------------------------------
+class MPoint;
+
+//----------------------------------------
+// Constants, Typedefs and Statics
+//----------------------------------------
+
+class GLExt
+{
+public:
+ static void drawCamera3D( double scale, double tx = 0.0f,
+ double ty = 0.0f,
+ double tz = 0.0f,
+ float width = 1.0f );
+
+ static void drawCrossHair3D( double scale, double tx = 0.0f,
+ double ty = 0.0f,
+ double tz = 0.0f,
+ float width = 1.0f );
+
+ static void drawCrossHair3D( double scale,
+ const MPoint& p,
+ float width = 1.0f );
+
+
+ static void drawPyramid( double scale, double tx = 0.0f,
+ double ty = 0.0f,
+ double tz = 0.0f,
+ float width = 1.0f );
+
+ static void drawPyramid( double scale,
+ const MPoint& p0,
+ float width = 1.0f );
+
+ static void drawLine( double x0, double y0, double z0,
+ double x1, double y1, double z1,
+ float width = 1.0f );
+
+ static void drawLine( const MPoint& p0,
+ const MPoint& p1,
+ float width = 1.0f );
+
+ static void drawArrow( const MPoint& p0,
+ const MPoint& p1,
+ float width = 1.0f,
+ float scale = 6.0f );
+
+ static void drawBox( double x0, double y0, double z0,
+ double x1, double y1, double z1,
+ float width = 1.0f );
+
+ static void drawBox( const MPoint& p0,
+ const MPoint& p1,
+ float width = 1.0f );
+
+ static void drawSphere( double scale, double tx = 0,
+ double ty = 0, double tz = 0,
+ float width = 1.0f );
+
+ static void drawSphere( double scale,
+ const MPoint& p,
+ float width = 1.0f );
+
+ static void drawXZPlane( double xscale,
+ double yscale,
+ double zscale,
+ double x0,
+ double z0,
+ double x1,
+ double z1,
+ double y,
+ float width = 1.0f
+ );
+
+ static void drawXZPlane( double xscale,
+ double yscale,
+ double zscale,
+ const MPoint& v0,
+ const MPoint& v1,
+ float width = 1.0f
+ );
+ static void drawP( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawStickMan( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawCar( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawA( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawD( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawE( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawS( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawCross( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawLBolt( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawI( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawW( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawM( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawC( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+
+ static void drawO( double scale,
+ double tx = 0,
+ double ty = 0,
+ double tz = 0,
+ float width = 1.0f );
+};
+
+#endif