t_cplx square(t_coeff col, double x, double y)
{
t_cplx z;
(void)col;
(void)x;
(void)y;
z.r = RANDR(0, 1.0) - 0.5;
z.i = RANDR (0, 1.0) - 0.5;
return (z);
}
t_cplx noise(t_coeff col, double x, double y)
{
double theta;
t_cplx z;
double r;
(void)col;
theta = RANDR(0, 1.0);
r = RANDR(0, 1.0);
z.r = theta * x * cos(2.0 * M_PI * r);
z.i = theta * y * sin(2.0 * M_PI * r);
return (z);
}
t_cplx blur(t_coeff col, double x, double y)
{
double theta;
t_cplx z;
double r;
(void)col;
(void)x;
(void)y;
theta = RANDR(0, 1.0);
r = RANDR(0, 1.0);
z.r = theta * cos(2.0 * M_PI * r);
z.i = theta * sin(2.0 * M_PI * r);
return (z);
}