D:/Basile/VisualCppProjects/hydroMEX3/hydroMEX3/oGL_graphics/solid_objects.h File Reference

#include "../hydro_source/Datas.h"
#include "graphics_relative.h"
#include "math.h"
#include "mex.h"

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Data Structures

struct SolidObject

3D object description More...

Functions

void SolidObject_create (SolidObject *so, int N, int M)

Creates a solid object.

void SolidObject_delete (SolidObject *so)

Deletes a solid object.

void cross_product (float *va, float *vb, float *vc)

Computes the cross-product.

void one_normal (float *v1, float *v2, float *v3, float *v4, float *vn)

Computes normal vector for one vertex.

void Boat_delete ()

Deletes the boat.

void SolidObject_compute_normals (SolidObject *so)

Computes the normals for a SolidObject.

void Boat_create (datas *d)

Creates and defines all boat related SolidObject objects.

void Sail_create_and_draw (datas *d)

Create and draw the sail.

void RelativeWind_draw (datas *d)

Draws relative wind vector.

void Target_draw (float x, float y)

Draws a "target instrument" on the screen.

void VSlider_draw (float x)

Draws a "vertical slider instrument" on the screen.

void HSlider_draw (float x)

Draws a "horizontal slider instrument" on the screen.

void Girouette_draw (datas *d)

Draws a girouette on the screen.

void Boat_draw ()

Draws the boat.

Detailed Description

Author:: basile.graf@epfl.ch

This file relates to all graphical objects. SolidObject is the 3D desription of an object like a boat hull. This file contains also functions to draw navigation instruments on the screen.

Definition in file solid_objects.h.

Function Documentation

void Boat_create ( datas * d )

Creates and defines all boat related SolidObject objects.
Create and fill all boat informations (coordinates,...)
All hull coordinates are computed/defined herein. Have a look to the code!
Parameters:

*d : pointer to the datas data-structure

Definition at line 538 of file solid_objects.cpp.
References SolidObject::B, bridge2, bridgeMain, foill, foilr, SolidObject::G, hull, datas::Long, lSwimm, mast, pitch, SolidObject::R, rSwimm, SolidObject_create(), SolidObject::X, datas::x_yaw, SolidObject::Y, datas::y_yaw, yaw, SolidObject::Z, and datas::z_foils.
Referenced by mexFunction().

void Boat_delete ( )

Deletes the boat.
Deletes all SolidObject objects used in drawing the boat using SolidObject_delete()
Definition at line 514 of file solid_objects.cpp.
References bridge2, bridgeMain, foill, foilr, hull, lSwimm, mast, pitch, rSwimm, SolidObject_delete(), and yaw.
Referenced by mexFunction().

void Boat_draw ( )

Draws the boat.
Draws the boat once it has been created and defined by Boat_create(). This function uses calls to SolidObject_draw(). The code of this function contains OpenGL code.
Definition at line 494 of file solid_objects.cpp.
References bridge2, bridgeMain, foill, foilr, hull, lSwimm, mast, pitch, rSwimm, SolidObject_draw(), and yaw.
Referenced by DrawGLScene().

void cross_product ( float * va,

float * vb,

float * vc

)

Computes the cross-product.
$v_c = v_a \times v_b$
Parameters:

*va : pointer to float array of 3 elements ( $ v_a $ )

*vb : pointer to float array of 3 elements ( $ v_b $ )

*vc : pointer to float array of 3 elements ( $ v_c $ )

Definition at line 118 of file solid_objects.cpp.
Referenced by Girouette_draw(), one_normal(), and Sail_create_and_draw().

void Girouette_draw ( datas * d )

Draws a girouette on the screen.
Draws a girouette instrument indicating relative wind direction as an on screen instrument. The code of this function contains OpenGL code.
Parameters:

*d : pointer to the datas data-structure

Definition at line 402 of file solid_objects.cpp.
References datas::angle_girouette, cross_product(), datas::dx, datas::dy, f(), datas::tanAngle_sail, datas::Wind_x, and datas::Wind_y.
Referenced by DrawGLScene().

void HSlider_draw ( float x )

Draws a "horizontal slider instrument" on the screen.
Draws a horizontal slider. The code of this function contains OpenGL code.
Parameters:

x,: slider position, $-1.0 \leq x \leq 1.0$ , clipped outside this range

Definition at line 372 of file solid_objects.cpp.
References f().
Referenced by DrawGLScene().

void one_normal ( float * v1,

float * v2,

float * v3,

float * v4,

float * vn

)

Computes normal vector for one vertex.
$v_n = \frac{c}{|c|}$
$c = v_1 \times v_2 + v_2 \times v_3 + v_3 \times v_4 + v_4 \times v_1$
Parameters:

*v1 : pointer to float array of 3 elements ( $ v_1 $ )

*v2 : pointer to float array of 3 elements ( $ v_2 $ )

*v3 : pointer to float array of 3 elements ( $ v_3 $ )

*v4 : pointer to float array of 3 elements ( $ v_4 $ )

*vn : pointer to float array of 3 elements ( $ v_n $ )

Definition at line 125 of file solid_objects.cpp.
References cross_product(), and f().
Referenced by SolidObject_compute_normals().

void RelativeWind_draw ( datas * d )

Draws relative wind vector.
Draws a relative wind vector at the top of the mast. The code of this function contains OpenGL code.
Parameters:

*d : pointer to the datas data-structure

Definition at line 292 of file solid_objects.cpp.
References datas::dx, datas::dy, f(), datas::L_mast, datas::phi, datas::psi, datas::theta, datas::Wind_x, datas::Wind_y, datas::x_sail, datas::y_sail, and datas::z_foils.
Referenced by DrawGLScene().

void Sail_create_and_draw ( datas * d )

Create and draw the sail.
The sail is not a SolidObject. It is redefined each time it is drawn (its position relative to the boat can change). The code of this function contains OpenGL code.
Parameters:

*d : pointer to the datas data-structure

Definition at line 261 of file solid_objects.cpp.
References datas::Baume, cross_product(), f(), datas::L_mast, datas::tanAngle_sail, datas::x_sail, datas::y_sail, and datas::z_foils.
Referenced by DrawGLScene().

void SolidObject_compute_normals ( SolidObject * so )

Computes the normals for a SolidObject.
Once all X-, Y- Z- coordinates of a SolidObjects have been defined, the vertex-normal vectors in the SolidObject can be automatically filled by calling this function.
Parameters:

*so,: pointer to the SolidObject

Definition at line 155 of file solid_objects.cpp.
References SolidObject::M, SolidObject::N, SolidObject::nX, SolidObject::nY, SolidObject::nZ, one_normal(), SolidObject::X, SolidObject::Y, and SolidObject::Z.

void SolidObject_create ( SolidObject * so,

int N,

int M

)

Creates a solid object.
Initializes memory for a 3D object
Do not forget to call SolidObject_delete() for each object created once finished!!
Parameters:

*so pointer to a SolidObject to be initialized

N length of mesh 2D arrays (coordinates, normals, color)

M height of mesh 2D arrays (coordinates, normals, color)

Definition at line 46 of file solid_objects.cpp.
References SolidObject::B, SolidObject::G, SolidObject::M, SolidObject::N, SolidObject::nX, SolidObject::nY, SolidObject::nZ, SolidObject::R, SolidObject::X, SolidObject::Y, and SolidObject::Z.
Referenced by Boat_create().

void SolidObject_delete ( SolidObject * so )

Deletes a solid object.
Free memory used by a 3D object
To be used after every creation with SolidObject_create()
Definition at line 82 of file solid_objects.cpp.
References SolidObject::B, SolidObject::G, SolidObject::N, SolidObject::nX, SolidObject::nY, SolidObject::nZ, SolidObject::R, SolidObject::X, SolidObject::Y, and SolidObject::Z.
Referenced by Boat_delete().

void Target_draw ( float x,

float y

)

Draws a "target instrument" on the screen.
Draws a circular target with a cross inside. The code of this function contains OpenGL code.
Parameters:

x,: cross position, $-1.0 \leq x \leq 1.0$ , clipped outside this range

y,: cross position, $-1.0 \leq y \leq 1.0$ , clipped outside this range

Definition at line 309 of file solid_objects.cpp.
References f().
Referenced by DrawGLScene().

void VSlider_draw ( float x )

Draws a "vertical slider instrument" on the screen.
Draws a vertical slider. The code of this function contains OpenGL code.
Parameters:

x,: slider position, $-1.0 \leq x \leq 1.0$ , clipped outside this range

Definition at line 343 of file solid_objects.cpp.
References f().
Referenced by DrawGLScene().

Generated on Fri Jun 9 19:10:37 2006 for hydroMex3 by

1.4.6-NO


Data Structures
struct	SolidObject
	3D object description More...
Functions
void	SolidObject_create (SolidObject *so, int N, int M)
	Creates a solid object.
void	SolidObject_delete (SolidObject *so)
	Deletes a solid object.
void	cross_product (float va, float vb, float *vc)
	Computes the cross-product.
void	one_normal (float v1, float v2, float v3, float v4, float *vn)
	Computes normal vector for one vertex.
void	Boat_delete ()
	Deletes the boat.
void	SolidObject_compute_normals (SolidObject *so)
	Computes the normals for a SolidObject.
void	Boat_create (datas *d)
	Creates and defines all boat related SolidObject objects.
void	Sail_create_and_draw (datas *d)
	Create and draw the sail.
void	RelativeWind_draw (datas *d)
	Draws relative wind vector.
void	Target_draw (float x, float y)
	Draws a "target instrument" on the screen.
void	VSlider_draw (float x)
	Draws a "vertical slider instrument" on the screen.
void	HSlider_draw (float x)
	Draws a "horizontal slider instrument" on the screen.
void	Girouette_draw (datas *d)
	Draws a girouette on the screen.
void	Boat_draw ()
	Draws the boat.