tuto_transformations_camera.cpp File Reference

#include "wavefront.h"
#include "texture.h"
#include "orbiter.h"
#include "draw.h"
#include "app_camera.h"

Go to the source code of this file.

Classes
class	TP

Functions
Mesh	make_grid (const int n=10)
Mesh	make_camera ()
int	main (int argc, char **argv)

Function Documentation

make_grid()

Mesh make_grid

(

const int

n = 10

)

Definition at line 15 of file tuto_transformations_camera.cpp.

{
    Mesh grid= Mesh(GL_LINES);
    
    // grille
    grid.color(White());
    float w= float(n-1) / 2;
    for(int x= 0; x < n; x++)
    {
        grid.vertex(x -w, 0, -w); 
        grid.vertex(x -w, 0,  w);
    }
 
    for(int z= 0; z < n; z++)
    {
        grid.vertex(-w, 0, z -w); 
        grid.vertex( w, 0, z -w); 
    }
    
    // axes XYZ
    grid.color(Red());
    grid.vertex(0, .1, 0);
    grid.vertex(1, .1, 0);
    
    grid.color(Green());
    grid.vertex(0, .1, 0);
    grid.vertex(0, 1, 0);
    
    grid.color(Blue());
    grid.vertex(0, .1, 0);
    grid.vertex(0, .1, 1);
    
    glLineWidth(2);
    
    return grid;
}

make_camera()

Mesh make_camera

(

)

Definition at line 52 of file tuto_transformations_camera.cpp.

{
    Mesh camera= Mesh(GL_LINES);
    
    camera.color(Yellow());
    camera.vertex(0,0,0);
    camera.vertex(-0.5, -0.5, -1);
    camera.vertex(0,0,0);
    camera.vertex(-0.5, 0.5, -1);
    camera.vertex(0,0,0);
    camera.vertex(0.5, 0.5, -1);
    camera.vertex(0,0,0);
    camera.vertex(0.5, -0.5, -1);
    
    camera.vertex(-0.5, -0.5, -1);
    camera.vertex(-0.5, 0.5, -1);
 
    camera.vertex(-0.5, 0.5, -1);
    camera.vertex(0.5, 0.5, -1);
 
    camera.vertex(0.5, 0.5, -1);
    camera.vertex(0.5, -0.5, -1);
    
    camera.vertex(0.5, -0.5, -1);
    camera.vertex(-0.5, -0.5, -1);
    
    // axes XYZ
    camera.color(Red());
    camera.vertex(Point(0, 0, 0));
    camera.vertex(Point(1, 0, 0));
    
    camera.color(Green());
    camera.vertex(Point(0, 0, 0));
    camera.vertex(Point(0, 1, 0));
    
    camera.color(Blue());
    camera.vertex(Point(0, 0, 0));
    camera.vertex(Point(0, 0, 1));
    
    glLineWidth(2);
    
    return camera;
}

main()

int main	(	int	argc,
		char **	argv )

Definition at line 223 of file tuto_transformations_camera.cpp.

{
    printf("appuyez sur 'espace' pour fixer la position de la camera\n");
    printf("appuyez sur 'c' pour dessiner avec la camera\n");
    printf("appuyez sur 'c' et 'espace' pour dessiner avec la camera attachee derriere le cube\n");
    printf("deplacez le cube avec les fleches de directions\n");
 
    // il ne reste plus qu'a creer un objet application et la lancer 
    TP tp;
    tp.run();
    
    return 0;
}