void Mesh::init_ibo()
{
ibo = new uint[ ibo_len ];
for ( int i = 0; i < mesh_len; i++ )
{
int x_mesh, y_mesh;
to_mesh_coord(i, &x_mesh, &y_mesh);
if ( ( x_mesh < width - res )
&& ( y_mesh < height - res ) )
{
int ibo_idx = i * 6;
// triang 1
ibo[ ibo_idx + 0 ] = (uint)( y_mesh * width + x_mesh );
ibo[ ibo_idx + 1 ] = (uint)( y_mesh * width + (x_mesh + res) );
ibo[ ibo_idx + 2 ] = (uint)( (y_mesh + res) * width + x_mesh );
// triang 2
ibo[ ibo_idx + 3 ] = (uint)( (y_mesh) * width + (x_mesh + res) );
ibo[ ibo_idx + 4 ] = (uint)( (y_mesh + res) * width + (x_mesh + res) );
ibo[ ibo_idx + 5 ] = (uint)( (y_mesh + res) * width + (x_mesh) );
}
}
}
void Mesh::init_texcoords(
int tex_width, int tex_height )
{
texcoords = new ofVec2f[mesh_len];
for (int i = 0; i < mesh_len; i++)
{
int x_mesh, y_mesh;
to_mesh_coord(i, &x_mesh, &y_mesh);
float t = ((float)x_mesh /width) * tex_width;
float u = ((float)y_mesh /height) * tex_height;
texcoords[i] = ofVec2f( t, u );
}
}
void Mesh::to_depth(
int mesh_idx,
int *x_depth, int *y_depth,
int *depth_idx )
{
int x_mesh, y_mesh;
to_mesh_coord(
mesh_idx, &x_mesh, &y_mesh );
to_depth_coord(
x_mesh, y_mesh, x_depth, y_depth);
*depth_idx = to_depth_idx(
*x_depth, *y_depth );
}
void Mesh::init_ibo()
{
ibo = new uint[ibo_len];
for (int i = 0; i < mesh_len; i++)
{
int x_mesh, y_mesh;
to_mesh_coord( i, &x_mesh, &y_mesh );
if ( ( x_mesh < width - step ) &&
( y_mesh < height - step ) )
{
int ibo_idx = i * 4;
ibo[ibo_idx+0] = (uint)( y_mesh * width + x_mesh );
ibo[ibo_idx+1] = (uint)( (y_mesh + step) * width + x_mesh );
ibo[ibo_idx+2] = (uint)( (y_mesh + step) * width + (x_mesh + step) );
ibo[ibo_idx+3] = (uint)( y_mesh * width + (x_mesh + step) );
}
}
}
