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hammer/gizmo.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+
+#ifndef GIZMO_H
+#define GIZMO_H
+#pragma once
+
+#include "MapAtom.h"
+
+
+#define GIZMO_AXIS_X			0x10
+#define GIZMO_AXIS_Y			0x20
+#define GIZMO_AXIS_Z			0x40
+
+#define GIZMO_HANDLE_SCALE			0x01
+#define GIZMO_HANDLE_ROTATE			0x02
+#define GIZMO_HANDLE_TRANSLATE		0x04
+#define GIZMO_HANDLE_UNIFORM_SCALE	0x08
+
+
+class CGizmo : public CMapAtom
+{
+	public:
+
+		CGizmo(void);
+		CGizmo(float x, float y, float z);
+
+		void Initialize(void);
+
+		void Render(CRender3D *pRender);
+
+		inline void SetAxisLength(float fLength); 
+		inline void SetPosition(float x, float y, float z);
+
+		void DrawGizmoAxis(CRender3D *pRender, Vector& Origin, Vector& EndPoint, int red, int green, int blue, unsigned int uAxisHandle);
+
+	protected:
+
+		Vector m_Position;
+		float m_fAxisLength;
+};
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets the length of the gizmo's axes.
+// Input  : fLength - Axis length in world units.
+//-----------------------------------------------------------------------------
+void CGizmo::SetAxisLength(float fLength)
+{
+	m_fAxisLength = fLength;
+}
+
+
+//-----------------------------------------------------------------------------
+// Purpose: Sets the gizmo's position.
+// Input  : x - 
+//			y - 
+//			z - 
+//-----------------------------------------------------------------------------
+void CGizmo::SetPosition(float x, float y, float z)
+{
+	m_Position[0] = x;
+	m_Position[1] = y;
+	m_Position[2] = z;
+}
+
+
+#endif // GIZMO_H