OV Namespace Reference

Data Structures

struct OVvX

Template for float vectors. Container for X floats with access operators. More...

class OVm3

3x3 floating point matrix class. Container for 3x3 floating point matrices with access operators. More...

class OVm4

4x4 floting point matrix class. Container for 4x4 floating point matrices with access operators. More...

class OVMesh

OVMesh class. More...

class OVProjector

The OVProjector class. More...

class OVShader

struct OVTexture2d

class OVUniVar

Class that handles uniform variables. More...

class OVUniVari

Class that handles uniform integer variables. More...

class OVUniVarf

Class that handles uniform float variables. More...

class OVUniVar2fv

Class that handles uniform float vector variables of length 2. More...

class OVUniVar3fv

Class that handles uniform float vector variables of length 3. More...

class OVUniVar9fm

Class that handles uniform float matrix variables of dimension 3x3. More...

class OVUniVar4fv

Class that handles uniform float vector variables of length 4. More...

class OVUniVar16fm

Class that handles uniform float matrix variables of dimension 4x4. More...

Typedefs

typedef OVvX< 2 > OVv2

Typedef for OV2f.

typedef OVvX< 3 > OVv3

Typedef for OV3f.

typedef OVvX< 4 > OVv4

Typedef for OV4f.

typedef OVvX< 9 > OVv9

Typedef for OV9f.

typedef OVvX< 16 > OVv16

Typedef for OV16f.

Functions

void OVInitWater (float *camPos, float *camDir, float *camUp, float *time, float *dayTime, float *waterHorizon, float *windVelocity, float *waterColor, float *sunColor, int lodRes, int lodVis, GLuint *texCloudID, GLuint *texSkyID, GLuint *texGroundID, float *zoomFactor, float *fovY, float *fovRatio, float *zNear, float *zFar, int *windowWidth, int *windowHeight)

Initialization of water module.

void OVLoadShader (OVShader &shader, char *fileName)

Loads water shaders.

void OVRotate (float lengthScale, OVv2 k, float angle, OVv2 &newK)

Rotates a 2D vector by angle.

void OVCalcWaveProperties ()

Calculates the waves amplitude, length, steepness, and speed.

void OVCalcWaveProp (int wave, OVv4 &waveProp, float scaleFactor, OVv2 waveVec)

Calculates the waves amplitude, length, steepness, and speed.

void OVDrawWater ()

Draws the water, requires previous call to OVInitWater.

float OVGetHeight (float x, float z)

Access the water height.

void OVSetSunLightUnit (int lightUnitID)

Sets OpenGL light unit used for the sun (eg GL_LIGHT0).

void OVSetSkyTexUnit (int texUnitID)

Sets OpenGL texture unit used for the sky.

void OVSetResolutionLOD (int lodRes)

Sets resolution level of detail.

void OVSetVisualizationLOD (int lodVis)

Sets visualization level of detail.

void OVSetWaveAmpFactor (float factor)

Sets additional amplification of wave amplitude.

void OVDrawProjectorFrustum ()

Draws the projector frustum.

std::ostream & operator<< (std::ostream &out, const OVm3 &m)

<< standard C ostream operator.

std::ostream & operator<< (std::ostream &out, const OVm4 &m)

<< standard C ostream operator.

bool OVTga2char (const char *filename, int &width, int &height, int &bpp, char **data)

Variables

OVProjector * OVprojector = new OVProjector

OVm4 OVrangeMatrix

OVm4 OVprojectorModelViewProjectionMatrixInverse

GLfloat OVmaxDisplacement

GLint OVnoiseTexUnit

GLint OVgroundTexUnit

GLint OVskyTexUnit

GLint OVcloudsTexUnit

GLint OVsunLightUnit = 0

OVTexture2d OVnoiseTexture

OVTexture2d OVskyTexture

OVMesh OVwaterMeshLOW

OVMesh OVwaterMeshMEDIUM

OVMesh OVwaterMeshHIGH

OVMesh * OVactiveMesh

OVShader OVwaterShaderLOW

OVShader OVwaterShaderMEDIUM

OVShader OVwaterShaderHIGH

OVShader * OVactiveShader

float * OVcamPos

float * OVcamDir

float * OVcamUp

float * OVwaterColor

float * OVsunColor

float * OVtime

float * OVdayTime

float * OVwaterHorizon

float * OVwindVelocity

float OVamplitude

float OVscaleAmplitude

float OValtitude

GLuint * OVtexCloudID

GLuint * OVtexSkyID

GLuint * OVtexGroundID

int OVlodRes

int OVlodVis

OVv2 OVwaveVector

OVv2 OVwaveVec1

OVv2 OVwaveVec2

OVv2 OVwaveVec3

OVv2 OVwaveVec4

OVv2 OVwaveVec5

OVv2 OVwaveVec6

OVv2 OVwaveVec7

OVv2 OVwaveVec8

OVv4 OVwaveProp1

OVv4 OVwaveProp2

OVv4 OVwaveProp3

OVv4 OVwaveProp4

OVv4 OVwaveProp5

OVv4 OVwaveProp6

OVv4 OVwaveProp7

OVv4 OVwaveProp8

OVProjector * OVprojector

OVm4 OVrangeMatrix

OVm4 OVprojectorModelViewProjectionMatrixInverse

GLfloat OVmaxDisplacement

GLint OVnoiseTexUnit

GLint OVgroundTexUnit

GLint OVskyTexUnit

GLint OVcloudsTexUnit

GLint OVsunLightUnit

OVTexture2d OVnoiseTexture

OVTexture2d OVskyTexture

OVMesh OVwaterMeshLOW

OVMesh OVwaterMeshMEDIUM

OVMesh OVwaterMeshHIGH

OVMesh * OVactiveMesh

OVShader OVwaterShaderLOW

OVShader OVwaterShaderMEDIUM

OVShader OVwaterShaderHIGH

OVShader * OVactiveShader

float * OVcamPos

float * OVcamDir

float * OVcamUp

float * OVwaterColor

float * OVsunColor

float * OVtime

float * OVdayTime

float * OVwaterHorizon

float * OVwindVelocity

float OVamplitude

float OVscaleAmplitude

float OValtitude

GLuint * OVtexCloudID

GLuint * OVtexSkyID

GLuint * OVtexGroundID

int OVlodRes

int OVlodVis

OVv2 OVwaveVector

OVv2 OVwaveVec1

OVv2 OVwaveVec2

OVv2 OVwaveVec3

OVv2 OVwaveVec4

OVv2 OVwaveVec5

OVv2 OVwaveVec6

OVv2 OVwaveVec7

OVv2 OVwaveVec8

OVv4 OVwaveProp1

OVv4 OVwaveProp2

OVv4 OVwaveProp3

OVv4 OVwaveProp4

OVv4 OVwaveProp5

OVv4 OVwaveProp6

OVv4 OVwaveProp7

OVv4 OVwaveProp8

Typedef Documentation

typedef OVvX<16> OV::OVv16

Typedef for OV16f.

typedef OVvX<2> OV::OVv2

Typedef for OV2f.

typedef OVvX<3> OV::OVv3

Typedef for OV3f.

typedef OVvX<4> OV::OVv4

Typedef for OV4f.

typedef OVvX<9> OV::OVv9

Typedef for OV9f.

Function Documentation

std::ostream& OV::operator<<	(	std::ostream &	out,
		const OVm4 &	m
	)

<< standard C ostream operator.

Parameters:

	out	Reference to active ostream.
	m	Reference to matrix.

Returns:: Returns the ostream reference in parameter out.

std::ostream& OV::operator<<	(	std::ostream &	out,
		const OVm3 &	m
	)

<< standard C ostream operator.

Parameters:

	out	Reference to active ostream.
	m	Reference to matrix.

Returns:: Returns the ostream reference in parameter out.

void OV::OVCalcWaveProp	(	int	wave,
		OVv4 &	waveProp,
		float	scaleFactor,
		OVv2	waveVec
	)

Calculates the waves amplitude, length, steepness, and speed.

Parameters:

	wave	The wave index.
	waveProp	Vector (4 elements) where the wave properties are stored.
	scaleFactor	Constant used for scaling the amplitude.
	waveVec	Vector conOVwaveProp6taining direction and size of wave.

Returns:: void.

void OV::OVCalcWaveProperties ( )

Calculates the waves amplitude, length, steepness, and speed.

Returns:: void.

void OV::OVDrawProjectorFrustum ( )

Draws the projector frustum.

Returns:: void

void OV::OVDrawWater ( )

Draws the water, requires previous call to OVInitWater.

Returns:: void.

float OV::OVGetHeight	(	float	x,
		float	z
	)

Access the water height.

Returns the height of the water at specified point. The height will only be an taylor approximation to the first order since it is almost impossible to get an exact height due to the vertex displacement in the xz-plane.

Parameters:

	x	x-coordinate for height lookup.
	z	z-coordinate for height lookup.

Returns:: Height value.

void OV::OVInitWater	(	float *	camPos,
		float *	camDir,
		float *	camUp,
		float *	time,
		float *	dayTime,
		float *	waterHorizon,
		float *	windVelocity,
		float *	waterColor,
		float *	sunColor,
		int	lodRes,
		int	lodVis,
		GLuint *	texCloudID,
		GLuint *	texSkyID,
		GLuint *	texGroundID,
		float *	zoomFactor,
		float *	fovY,
		float *	fovRatio,
		float *	zNear,
		float *	zFar,
		int *	windowWidth,
		int *	windowHeight
	)

Initialization of water module.

Stores pointers for all interface variables used between OVWater and Testshell. Grids and VBO's are also created by this routine.

Parameters:

	camPos	Camera position [pointer to string of three floats].
	camDir	Camera direction [pointer to string of three floats].
	camUp	Camera up vector [pointer to string of three floats].
	time	Time variable (seconds).
	windVelocity	Length of vector = wind speed. Direction of vector = wind direction.
	waterColor	Ambient color for the water.
	sunColor	Specular color for the water.
	lodRes	Resolution of mesh [1 3]
	lodVis	Quality level for visualisation [1 3]
	texCloudID	Texture ID for Clouds
	texSkyID	Texture ID for Clouds
	texGroundID	Texture ID for Clouds
	zoomFactor	Increses/Decreses the FOV for zoom effect
	fovY	FOV in y direction
	fovRation	Used in gluProject
	zNear	Near clip plane
	zFar	Far clip plane
	windowWidth	Window width
	windowHeight	Window height

Returns:: void

void OV::OVLoadShader	(	OVShader &	shader,
		char *	fileName
	)

Loads water shaders.

Returns:: void.

void OV::OVRotate	(	float	lengthScale,
		OVv2	k,
		float	angle,
		OVv2 &	newK
	)

Rotates a 2D vector by angle.

Parameters:

	lengthScale	scales the length of the vector.
	k	The vector which should be rotated.
	angle	The desired angle of rotation.
	newK	The new vector after rotation.

Returns:: void.

void OV::OVSetResolutionLOD ( int lodRes = 3 )

Sets resolution level of detail.

Parameters:

lodRes

Value of 1, 2 or 3.

Returns:: void

void OV::OVSetSkyTexUnit ( int texUnitID = 0 )

Sets OpenGL texture unit used for the sky.

Parameters:

texUnitID

ID of the texture unit.

Returns:: void

void OV::OVSetSunLightUnit ( int lightUnitID = 0 )

Sets OpenGL light unit used for the sun (eg GL_LIGHT0).

Parameters:

lightUnitID

ID of the light unit.

Returns:: void

void OV::OVSetVisualizationLOD ( int lodVis = 3 )

Sets visualization level of detail.

Parameters:

lodVis

Value of 1, 2 or 3.

Returns:: void

void OV::OVSetWaveAmpFactor ( float factor = 1.0 )

Sets additional amplification of wave amplitude.

Parameters:

factor

Factor to multiply wave amplitude.

Returns:: void

bool OV::OVTga2char	(	const char *	filename,
		int &	width,
		int &	height,
		int &	bpp,
		char **	data
	)

Variable Documentation

OVMesh* OV::OVactiveMesh

A pointer to the currently active mesh

OVMesh* OV::OVactiveMesh

A pointer to the currently active mesh

OVShader* OV::OVactiveShader

A pointer to the currently active shader

OVShader* OV::OVactiveShader

A pointer to the currently active shader

float OV::OValtitude

Altitude, used in shader for antialiasing >

float OV::OValtitude

Altitude, used in shader for antialiasing >

float OV::OVamplitude

Wave amplitude

float OV::OVamplitude

Wave amplitude

float* OV::OVcamDir

Camera direction vector, points to shell variable

float* OV::OVcamDir

Camera direction vector, points to shell variable

float* OV::OVcamPos

Camera position coordinate vector, points to shell variable

float* OV::OVcamPos

Camera position coordinate vector, points to shell variable

float* OV::OVcamUp

Camera up vector, points to shell variable

float* OV::OVcamUp

Camera up vector, points to shell variable

GLint OV::OVcloudsTexUnit

Texture unit for clouds

GLint OV::OVcloudsTexUnit

Texture unit for clouds

float* OV::OVdayTime

Time of the day

float* OV::OVdayTime

Time of the day

GLint OV::OVgroundTexUnit

Texture unit for ground texture

GLint OV::OVgroundTexUnit

Texture unit for ground texture

int OV::OVlodRes

Holds current LOD

int OV::OVlodRes

Holds current LOD

int OV::OVlodVis

Holds current LOD shader

int OV::OVlodVis

Holds current LOD shader

GLfloat OV::OVmaxDisplacement

The maximum wave height

GLfloat OV::OVmaxDisplacement

The maximum wave height

OVTexture2d OV::OVnoiseTexture

Object used for loading a noise texture

OVTexture2d OV::OVnoiseTexture

Object used for loading a noise texture

GLint OV::OVnoiseTexUnit

Texture used for bumpmapping

GLint OV::OVnoiseTexUnit

Texture used for bumpmapping

OVProjector* OV::OVprojector

The projector used for rendering

OVProjector* OV::OVprojector = new OVProjector

The projector used for rendering

OVm4 OV::OVprojectorModelViewProjectionMatrixInverse

The inverse modelviewprojection matrix of the projector

OVm4 OV::OVprojectorModelViewProjectionMatrixInverse

The inverse modelviewprojection matrix of the projector

OVm4 OV::OVrangeMatrix

The range matrix used for scaling

OVm4 OV::OVrangeMatrix

The range matrix used for scaling

float OV::OVscaleAmplitude

Wave amplitude scale factor

float OV::OVscaleAmplitude

Wave amplitude scale factor

OVTexture2d OV::OVskyTexture

Object used for loading a sky texture

OVTexture2d OV::OVskyTexture

Object used for loading a sky texture

GLint OV::OVskyTexUnit

Texture unit used on the sky gradient

GLint OV::OVskyTexUnit

Texture unit used on the sky gradient

float* OV::OVsunColor

Sun color vector, points to shell variable

float* OV::OVsunColor

Sun color vector, points to shell variable

GLint OV::OVsunLightUnit

Light unit for sun

GLint OV::OVsunLightUnit = 0

Light unit for sun

GLuint* OV::OVtexCloudID

Cloud texture ID, points to shell variable

GLuint* OV::OVtexCloudID

Cloud texture ID, points to shell variable

GLuint* OV::OVtexGroundID

Ground texture ID, points to shell variable

GLuint* OV::OVtexGroundID

Ground texture ID, points to shell variable

GLuint* OV::OVtexSkyID

Sky texture ID, points to in shell variable

GLuint* OV::OVtexSkyID

Sky texture ID, points to in shell variable

float* OV::OVtime

Time variable, points to shell variable

float* OV::OVtime

Time variable, points to shell variable

float* OV::OVwaterColor

Water color vector, points to shell variable

float* OV::OVwaterColor

Water color vector, points to shell variable

float* OV::OVwaterHorizon

Distance to the horizon

float* OV::OVwaterHorizon

Distance to the horizon

OVMesh OV::OVwaterMeshHIGH

The water surface mesh, high resolution

OVMesh OV::OVwaterMeshHIGH

The water surface mesh, high resolution

OVMesh OV::OVwaterMeshLOW

The water surface mesh, low resolution

OVMesh OV::OVwaterMeshLOW

The water surface mesh, low resolution

OVMesh OV::OVwaterMeshMEDIUM

The water surface mesh, medium resolution

OVMesh OV::OVwaterMeshMEDIUM

The water surface mesh, medium resolution

OVShader OV::OVwaterShaderHIGH

The highest level of detail shader

OVShader OV::OVwaterShaderHIGH

The highest level of detail shader

OVShader OV::OVwaterShaderLOW

The lowest level of detail shader

OVShader OV::OVwaterShaderLOW

The lowest level of detail shader

OVShader OV::OVwaterShaderMEDIUM

The medium level of detail shader

OVShader OV::OVwaterShaderMEDIUM

The medium level of detail shader

OVv4 OV::OVwaveProp1