double fonction_bruit2D(double x, double y, t_n2D *N2D)
{
t_dble stdb;
int i;
int j;
i = (int)(x / PAS);
j = (int)(y / PAS);
stdb.a = bruit2D(i, j, N2D);
stdb.b = bruit2D(i + 1, j, N2D);
stdb.c = bruit2D(i, j + 1, N2D);
stdb.d = bruit2D(i + 1, j + 1, N2D);
x = fmod(x / PAS, 1);
y = fmod(y / PAS, 1);
return (interpolation_cos2D(&stdb, x, y));
}
double Perlin2D::fonction_bruit2D(int x, int y) {
int i = (int) (x / m_step);
int j = (int) (y / m_step);
return interpolation_cos2D(noise(i, j), noise(i + 1, j), noise(i, j + 1), noise(i + 1, j + 1), fmod(x / m_step, 1), fmod(y / m_step, 1));
}
