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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* event.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: cacharle <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/02/24 09:52:35 by cacharle #+# #+# */
/* Updated: 2020/02/24 15:38:06 by cacharle ### ########.fr */
/* */
/* ************************************************************************** */
#include "fractol.h"
#define MOVE_SPEED 0.1
#define ZOOM_SPEED 1.2
int event_quit(t_state *state)
{
state->running = false;
return (0);
}
int event_keydown(int key, t_state *state)
{
/* printf("%d\n", key); */
if (key == MLXK_ESC)
state->running = false;
else if (key == MLXK_UP)
state->center.i -= state->plane.i * MOVE_SPEED;
else if (key == MLXK_DOWN)
state->center.i += state->plane.i * MOVE_SPEED;
else if (key == MLXK_LEFT)
state->center.r -= state->plane.r * MOVE_SPEED;
else if (key == MLXK_RIGHT)
state->center.r += state->plane.r * MOVE_SPEED;
else
return (0);
state->updated = false;
return (0);
}
int event_mouse(int button, int x, int y, t_state *state)
{
(void)x;
(void)y;
if (button == MLX_MOUSE_SCROLL_UP)
{
state->plane.r /= ZOOM_SPEED;
state->plane.i /= ZOOM_SPEED;
/* state->center.r += MOVE_SPEED * (double)(x - WINDOW_WIDTH / 2) / WINDOW_WIDTH; */
/* state->center.i += MOVE_SPEED * (double)(y - WINDOW_HEIGHT / 2) / WINDOW_HEIGHT; */
}
else if (button == MLX_MOUSE_SCROLL_DOWN)
{
state->plane.r *= ZOOM_SPEED;
state->plane.i *= ZOOM_SPEED;
/* state->center.r -= MOVE_SPEED * (double)(x - WINDOW_WIDTH / 2) / WINDOW_WIDTH; */
/* state->center.i -= MOVE_SPEED * (double)(y - WINDOW_HEIGHT / 2) / WINDOW_HEIGHT; */
}
else
return (0);
state->updated = false;
return (0);
}
int event_mouse_motion(int x, int y, t_state *state)
{
if (state->julia_const.r == NAN)
return (0);
if (x < 0)
x = 0;
if (x > WINDOW_WIDTH - 1)
x = WINDOW_WIDTH - 1;
if (y < 0)
y = 0;
if (y > WINDOW_HEIGHT - 1)
y = WINDOW_HEIGHT - 1;
state->julia_const.r = ((double)x / (double)WINDOW_WIDTH) * 4.0 - 2.0;
state->julia_const.i = ((double)y / (double)WINDOW_HEIGHT) * 4.0 - 2.0;
state->updated = false;
return (0);
}
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