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Editor/Grid.h

@@ -0,0 +1,69 @@
+////////////////////////////////////////////////////////////////////////////
+//
+//  Crytek Engine Source File.
+//  Copyright (C), Crytek Studios, 2002.
+// -------------------------------------------------------------------------
+//  File name:   grid.h
+//  Version:     v1.00
+//  Created:     8/7/2002 by Timur.
+//  Compilers:   Visual Studio.NET
+//  Description: 
+// -------------------------------------------------------------------------
+//  History:
+//
+////////////////////////////////////////////////////////////////////////////
+
+#ifndef __grid_h__
+#define __grid_h__
+
+#if _MSC_VER > 1000
+#pragma once
+#endif
+
+/** Definition of grid used in 2D viewports.
+*/
+class CGrid
+{
+public:
+	//! Resolution of grid, it must be multiply of 2.
+	float size;
+	//! Draw major lines every Nth grid line.
+	int majorLine;
+	//! True if grid enabled.
+	bool bEnabled;
+	//! Meters per grid unit.
+	float scale;
+
+	//! If snap to angle.
+	bool bAngleSnapEnabled;
+	float angleSnap;
+
+	//////////////////////////////////////////////////////////////////////////
+	CGrid();
+
+	//! Snap vector to this grid.
+	Vec3 Snap( const Vec3 &vec ) const;
+
+	//! Snap angle to current angle snapping value.
+	float SnapAngle( float angle ) const;
+	//! Snap angle to current angle snapping value.
+	Vec3 SnapAngle( const Vec3 &angle ) const;
+
+	//! Enable or disable grid.
+	void Enable( bool enable ) { bEnabled = enable; }
+	//! Check if grid enabled.
+	bool IsEnabled() const { return bEnabled; }
+
+	//! Enables or disable angle snapping.
+	void EnableAngleSnap( bool enable ) { bAngleSnapEnabled = enable; };
+
+	//! Return if snapping of angle is enabled.
+	bool IsAngleSnapEnabled() const { return bAngleSnapEnabled; };
+	//! Returns ammount of snapping for angle in degrees.
+	float GetAngleSnap() const { return angleSnap; };
+
+	void Serialize( XmlNodeRef &xmlNode,bool bLoading );
+};
+
+
+#endif // __grid_h__