Heightmap Class Reference

#include <Heightmap.h>

Classes
struct	LevelInfo
struct	UploadInfo

Public Member Functions
	Heightmap (unsigned int size, unsigned int levels)
	~Heightmap ()
void	update_heightmap (const std::vector< vec2 > &level_offsets)
void	reset ()
GLuint	get_texture () const

Private Member Functions
void	update_level (vec2 *buffer, unsigned int &pixel_offset, const vec2 &level_offset, unsigned level)
	[Update region] More...
vec2	compute_heightmap (int x, int y, int level)
	[Compute heightmap] More...
float	sample_heightmap (int x, int y)
void	update_region (vec2 *buffer, unsigned int &pixel_offset, int x, int y, int width, int height, int start_x, int start_y, int level)
	[Compute heightmap] More...
void	init_heightmap ()

Private Attributes
GLuint	texture
GLuint	pixel_buffer [2]
unsigned int	pixel_buffer_index
unsigned int	pixel_buffer_size
unsigned int	size
unsigned int	levels
std::vector< LevelInfo >	level_info
std::vector< UploadInfo >	upload_info
std::vector< float >	heightmap
unsigned int	heightmap_size

Detailed Description

Definition at line 28 of file Heightmap.h.

Constructor & Destructor Documentation

Heightmap::Heightmap	(	unsigned int	size,
		unsigned int	levels
	)

[Initializing texture array]

[Initializing texture array]

Definition at line 31 of file Heightmap.cpp.

Heightmap::~Heightmap

(

)

Definition at line 77 of file Heightmap.cpp.

Member Function Documentation

vec2 Heightmap::compute_heightmap ( int  x, int  y, int  level  )

private

[Compute heightmap]

Definition at line 197 of file Heightmap.cpp.

GLuint Heightmap::get_texture ( ) const

inline

Definition at line 36 of file Heightmap.h.

void Heightmap::init_heightmap ( )

private

Definition at line 116 of file Heightmap.cpp.

void Heightmap::reset

(

)

Definition at line 69 of file Heightmap.cpp.

float Heightmap::sample_heightmap ( int  x, int  y  )

private

Definition at line 186 of file Heightmap.cpp.

void Heightmap::update_heightmap

(

const std::vector< vec2 > &

level_offsets

)

Definition at line 415 of file Heightmap.cpp.

void Heightmap::update_level ( vec2 *  buffer, unsigned int &  pixel_offset, const vec2 &  level_offset, unsigned  level  )

private

[Update region]

Definition at line 240 of file Heightmap.cpp.

void Heightmap::update_region ( vec2 *  buffer, unsigned int &  pixel_offset, int  tex_x, int  tex_y, int  width, int  height, int  start_x, int  start_y, int  level  )

private

[Compute heightmap]

[Update region]

Definition at line 212 of file Heightmap.cpp.

Member Data Documentation

std::vector<float> Heightmap::heightmap

private

Definition at line 73 of file Heightmap.h.

unsigned int Heightmap::heightmap_size

private

Definition at line 74 of file Heightmap.h.

std::vector<LevelInfo> Heightmap::level_info

private

Definition at line 52 of file Heightmap.h.

unsigned int Heightmap::levels

private

Definition at line 44 of file Heightmap.h.

GLuint Heightmap::pixel_buffer[2]

private

Definition at line 40 of file Heightmap.h.

unsigned int Heightmap::pixel_buffer_index

private

Definition at line 41 of file Heightmap.h.

unsigned int Heightmap::pixel_buffer_size

private

Definition at line 42 of file Heightmap.h.

unsigned int Heightmap::size

private

Definition at line 43 of file Heightmap.h.

GLuint Heightmap::texture

private

Definition at line 39 of file Heightmap.h.

std::vector<UploadInfo> Heightmap::upload_info

private

Definition at line 63 of file Heightmap.h.

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

• /mnt/d/working/gitlab/opengles-sdk-android/samples/advanced_samples/Terrain/jni/Heightmap.h
• /mnt/d/working/gitlab/opengles-sdk-android/samples/advanced_samples/Terrain/jni/Heightmap.cpp