WhirlyGlobe::Drawable Class Reference

#include <Drawable.h>

Inheritance diagram for WhirlyGlobe::Drawable:

List of all members.

Public Member Functions
	Drawable ()
	Construct empty.
virtual GeoMbr	getGeoMbr () const =0
	Return a geo MBR for sorting into cullables.
virtual unsigned int	getDrawPriority () const =0
	We use this to sort drawables.
virtual bool	isOn (WhirlyGlobeView *view) const =0
	We're allowed to turn drawables off completely.
virtual void	setupGL (float minZres)
virtual void	teardownGL ()
	Clean up any OpenGL objects you may have (e.g. VBOs).
virtual void	draw (GlobeScene *scene) const =0
	Set up what you need in the way of context and draw.
virtual bool	hasAlpha () const =0
	Return true if the drawable has alpha. These will be sorted last.

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Detailed Description

The Drawable base class. Inherit from this and fill in the virtual methods. In general, use the BasicDrawable.

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Member Function Documentation

virtual void WhirlyGlobe::Drawable::setupGL

(

float

minZres

)

[inline, virtual]

Do any OpenGL initialization you may want. For instance, set up VBOs. We pass in the minimum Z buffer resolution (for offsets).

Reimplemented in WhirlyGlobe::BasicDrawable.

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The documentation for this class was generated from the following file:

• /Users/sjg/iPhone/WhirlyGlobe/WhirlyGlobeSrc/WhirlyGlobeLib/include/Drawable.h