ddgLight Class Reference

A light object in a light model. More...

#include <ddglight.h>

Class diagram for ddgLight:

Public Members
		ddgLight (void)
		Constructor.
	bool	draw ( ddgContext *ctx)
		Activate the light for rendering.
	void	ambient ( ddgColor4 *c )
		Set the ambient light colour.
	void	ambient ( unsigned char r, unsigned char g, unsigned char b )
	ddgColor4*	ambient (void)
		Get the ambient light colour.
	void	diffuse ( ddgColor4 *c )
		Set the diffuse light colour.
	void	diffuse ( float r, float g, float b )
	ddgColor4*	diffuse (void)
		Get the diffuse light colour.
	void	specular ( ddgColor4 *c )
		Set the specular light colour.
	void	specular ( unsigned char r, unsigned char g, unsigned char b )
	ddgColor4*	specular (void)
		Get the specular light colour.
	void	pos ( ddgVector3 *p )
		Set the light position, without affecting the distance.
	void	pos ( float i, float j, float k )
	ddgVector4*	pos ( void )
		Get the light position.
	void	direction ( ddgVector3 *d )
		Set the orientation of the light as a vector.
	void	direction ( float i, float j, float k )
	void	direction ( float theta, float phi )
		Set the orientation of the light as a heading and azimuth.
	ddgVector3*	direction (void )
		Get the light direction.
	void	distance ( float d )
		Set the distance of the light.
	float	distance (void)
		Get the distance of the light from the position.
	void	fixed (bool f)
		Set the light to be fixed or not.
	bool	fixed (void)
		Get the light's to be fixed or not.
	void	spotlight (float size)
		Set the size of the spotlight, if zero it is an infinitely strong light.
	float	spotlight (void)
		Get the size of the spotlight.

Detailed Description

A light object in a light model.

OpenGL supports 8. Add this object to the scene twice, once to turn the light on and once to turn it off again.

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

Generated at Sun Sep 17 19:27:54 2000 for Digital Dawn Graphics Toolkit by