osgCloudyDay::PerlinNoiseCloud Class Reference

#include <PerlinNoiseCloud.h>

Inheritance diagram for osgCloudyDay::PerlinNoiseCloud:

List of all members.

Public Member Functions
	PerlinNoiseCloud (void)
	~PerlinNoiseCloud (void)
void	Initialize ()
virtual void	SetupGeometry (osg::Vec3 position, osg::Vec2 size, osg::Vec3Array *vertices, osg::Vec2Array *tcoords, osg::UIntArray *indices)
Public Member Functions inherited from osgCloudyDay::Cloud2D
	Cloud2D ()
	~Cloud2D ()
void	Cloud2D::SetGeometry ()
void	Cloud2D::SetGeometry (osg::Vec3 position, osg::Vec2 size)
void	Cloud2D::Create (osg::Geode *geode, osg::Image *perlinImg)
void	Create (osg::Geode *geode, osg::Image *perlinImg, osg::Image *perlinNormalImg)
void	Create (osg::Geode *geode, osg::Image *perlinImg, osg::Image *perlinNormalImg, osg::Image *perlinHeightImg)
osg::Image *	CreateNormalMap (osg::Image *img)

Protected Member Functions
void	CreatePerlinTexture2D (int width, int height, osg::Image *color, osg::Image *normal)
void	SetNoise (float *map)
float	Noise (int x, int y)
float	SmoothedNoise (float x, float y)
float	Cosine_Interpolate (float a, float b, float x)
float	InterpolatedNoise (float x, float y)
float	PerlinNoise (float x, float y)

Additional Inherited Members
Public Attributes inherited from osgCloudyDay::Cloud2D
osg::Geometry *	geom
osg::Geode *	geode
osg::Node *	terrain_obj
bool	m_tesselation
Protected Attributes inherited from osgCloudyDay::Cloud2D
osg::Vec3Array *	coords
osg::Vec2Array *	tcoords
osg::UIntArray *	indices

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Detailed Description

Class to create a 2D cloud with a Perlin noise cloud Results in a altcumolus cloud

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Constructor & Destructor Documentation

osgCloudyDay::PerlinNoiseCloud::PerlinNoiseCloud

(

void

)

Constructor

osgCloudyDay::PerlinNoiseCloud::~PerlinNoiseCloud

(

void

)

Deconstructor

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Member Function Documentation

float osgCloudyDay::PerlinNoiseCloud::Cosine_Interpolate ( float  a, float  b, float  x  )

protected

Returns the cosine interpolated noise value at a specific coordinate

Parameters:

x	x-coordinate
y	y-coordinate
x	value

Returns:

smoothed noise value

void osgCloudyDay::PerlinNoiseCloud::CreatePerlinTexture2D ( int  width, int  height, osg::Image *  color, osg::Image *  normal  )

protected

Method to create a 2D Perlin noise texture

Parameters:

width	width of the texture
height	height of the texture
color	color texture
normal	normal texture

void osgCloudyDay::PerlinNoiseCloud::Initialize

(

)

Initialize method

float osgCloudyDay::PerlinNoiseCloud::InterpolatedNoise ( float  x, float  y  )

protected

Returns the interpolated noise value at a specific coordinate

Parameters:

x	x-coordinate
y	y-coordinate

Returns:

interpolated noise value

float osgCloudyDay::PerlinNoiseCloud::Noise ( int  x, int  y  )

protected

Returns noise value at a specific coordinate

Parameters:

x	x-coordinate
y	y-coordinate

Returns:

noise value

float osgCloudyDay::PerlinNoiseCloud::PerlinNoise ( float  x, float  y  )

protected

Returns the perlin noise value at a specific coordinate

Parameters:

x	x-coordinate
y	y-coordinate

Returns:

Perlin noise value

void osgCloudyDay::PerlinNoiseCloud::SetNoise ( float *  map )

protected

Sets the noise values

Parameters:

map	noise values

void osgCloudyDay::PerlinNoiseCloud::SetupGeometry ( osg::Vec3  position, osg::Vec2  size, osg::Vec3Array *  vertices, osg::Vec2Array *  tcoords, osg::UIntArray *  indices  )

virtual

Creates the Perlin noise cloud for rendering

Parameters:

position	position of the 2d cloud
size	size of the 2d cloud
vertices	vertices of the 2D cloud
tcoords	texture coordinates of the 2D cloud
indices	indices of the 2D cloud

Implements osgCloudyDay::Cloud2D.

float osgCloudyDay::PerlinNoiseCloud::SmoothedNoise ( float  x, float  y  )

protected

Returns smoothed noise value at a specific coordinate

Parameters:

x	x-coordinate
y	y-coordinate

Returns:

smoothed noise value

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

• WangCloud/PerlinNoiseCloud.h
• WangCloud/PerlinNoiseCloud.cpp