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pixel_test.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* pixel_test.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: vroussea <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2016/07/25 16:42:12 by vroussea #+# #+# */
/* Updated: 2016/09/05 23:22:47 by vroussea ### ########.fr */
/* */
/* ************************************************************************** */
#include "fractol.h"
void mandelbrot(int x, int y, t_env *env)
{
int i;
double tmp;
double z[2];
int col;
z[0] = 0;
z[1] = 0;
env->pt[0] = ((double)x - env->sx / 2) / env->zoom + env->move[0];
env->pt[1] = ((double)y - env->sy / 2) / env->zoom + env->move[1];
i = 0;
col = 0x00FFFFFF;
while (z[0] * z[0] + z[1] * z[1] < 4 && i < env->i_max)
{
tmp = z[0];
z[0] = tmp * tmp - z[1] * z[1] + env->pt[0];
z[1] = 2 * tmp * z[1] + env->pt[1];
col -= env->colmod;
if (col < 0)
col = 0x00FFFFFF;
i++;
}
pixel(x, y, (i == env->i_max ? 0 : col), env);
}
void burning(int x, int y, t_env *env)
{
int i;
double tmp;
double z[2];
int col;
z[0] = 0;
z[1] = 0;
env->pt[0] = ((double)x - env->sx / 2) / env->zoom + env->move[0];
env->pt[1] = ((double)y - env->sy / 2) / env->zoom + env->move[1];
i = 0;
col = 0x00FFFFFF;
while (z[0] * z[0] + z[1] * z[1] < 4 && i < env->i_max)
{
tmp = absol(z[0]);
z[0] = tmp * tmp - absol(z[1]) * absol(z[1]) + env->pt[0];
z[1] = 2 * tmp * absol(z[1]) + env->pt[1];
col -= env->colmod;
if (col < 0)
col = 0x00FFFFFF;
i++;
}
pixel(x, y, (i == env->i_max ? 0 : col), env);
}
void julia(int x, int y, t_env *env)
{
int i;
double tmp;
double z[2];
int col;
z[0] = ((double)x - env->sx / 2) / env->zoom + env->move[0];
z[1] = ((double)y - env->sy / 2) / env->zoom + env->move[1];
i = 0;
col = 0x00FFFFFF;
while (z[0] * z[0] + z[1] * z[1] < 4 && i < env->i_max)
{
tmp = z[0];
z[0] = tmp * tmp - z[1] * z[1] + env->pt[0];
z[1] = 2 * tmp * z[1] + env->pt[1];
col -= env->colmod;
if (col < 0)
col = 0x00FFFFFF;
i++;
}
pixel(x, y, (i == env->i_max ? 0 : col), env);
}
void julol(int x, int y, t_env *env)
{
int i;
double tmp;
double z[2];
int col;
z[0] = ((double)x - env->sx / 2) / env->zoom + env->move[0];
z[1] = ((double)y - env->sy / 2) / env->zoom + env->move[1];
i = 0;
col = 0x00FFFFFF;
while (z[0] * z[0] + z[1] * z[1] < 4 && i < env->i_max)
{
tmp = absol(z[0]);
z[0] = tmp * tmp - absol(z[1]) * absol(z[1]) + env->pt[0];
z[1] = 2 * tmp * absol(z[1]) + env->pt[1];
col -= env->colmod;
if (col < 0)
col = 0x00FFFFFF;
i++;
}
pixel(x, y, (i == env->i_max ? 0 : col), env);
}
void mandeldeux(int x, int y, t_env *env)
{
int i;
double tmp;
double z[2];
int col;
z[0] = 0;
z[1] = 0;
env->pt[0] = ((double)x - env->sx / 2) / env->zoom + env->move[0];
env->pt[1] = ((double)y - env->sy / 2) / env->zoom + env->move[1];
i = 0;
col = 0x00FFFFFF;
while (z[0] * z[0] + z[1] * z[1] < 4 && i < env->i_max)
{
tmp = z[0];
z[0] = tmp * tmp * tmp - 3 * tmp * z[1] * z[1] + env->pt[0];
z[1] = 3 * tmp * tmp * z[1] - z[1] * z[1] * z[1] + env->pt[1];
col -= env->colmod;
if (col < 0)
col = 0x00FFFFFF;
i++;
}
pixel(x, y, (i == env->i_max ? 0 : col), env);
}