ax/manigraph
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Merge: roberto -> main

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This commit is contained in:
PedroEdiaz
2024-10-17 22:30:55 -06:00
parent 252aab3dd2
commit 7c1f691b46
9 changed files with 133 additions and 59 deletions
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45
src/main.c Normal file → Executable file
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@@ -3,7 +3,9 @@
#include "data/axis.h"
#include "data/shaders.h"
#include <GL/glew.h>
#include <stdlib.h>
#include <cglm/vec3.h>
#define WIDTH 512
#define HEIGHT 512
@@ -16,10 +18,39 @@ unsigned char palette[] =
0x7A,0x1C,0xAC,0xff,
};
void calc_normal(float* v1, float* v2, float* v3, float* normal)
{
vec3 lado1, lado2;
glm_vec3_sub(v2, v1, lado1);
glm_vec3_sub(v3, v1, lado2);
glm_vec3_cross(lado1, lado2, normal);
glm_vec3_normalize(normal);
}
float * fill_normal( float * d )
{
float * n;
n = malloc( (*d+1)*sizeof(float));
*n = *d;
for (int i = 0; i < *d; i += 9)
{
vec3 norm_vec;
calc_normal((d+1)+i, (d+1)+i+3, (d+1)+i+6, norm_vec);
glm_vec3_copy( norm_vec, (n+1)+i );
glm_vec3_copy( norm_vec, (n+1)+i+3 );
glm_vec3_copy( norm_vec, (n+1)+i+6 );
}
return n;
}
const char * wname = "manigraph: manifold grapher";
int main( void )
{
float * n_cube, *n_axis;
id_t shader, texture;
mesh_t m_cube, m_axis;
window_t window;
@@ -37,16 +68,22 @@ int main( void )
gload_program( shader, vs, VERTEX );
gload_program( shader, fs, FRAGMENT );
use_shader( shader );
use_shader( shader );
load_fix_matrix( shader, (float)WIDTH/HEIGHT );
if( !( m_cube = create_mesh( d_cube ) ) )
n_cube = fill_normal( d_cube );
n_axis = fill_normal( d_axis );
if( !( m_cube = create_mesh( d_cube, n_cube ) ) )
goto error_mesh_cube;
if( !( m_axis = create_mesh( d_axis ) ) )
if( !( m_axis = create_mesh( d_axis, n_axis ) ) )
goto error_mesh_axis;
free( n_cube );
free( n_axis );
texture=create_palette_texture( palette );
use_texture( texture );