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#include <rfftw.h>
#include "fluids.h"
#include "funcs.h"
#include "renderer_gl.h"
#include "streamlines.h"
#include "colormap.h"
#include "seedpoint.h"
#define MOUSE_SMOKE 0
#define MOUSE_SCALE_MIN 1
#define MOUSE_SCALE_MAX 2
#define MOUSE_CLAMP_MIN 3
#define MOUSE_CLAMP_MAX 4
int prev_mov_mx = 0;
int prev_mov_my = 0;
float x_rot = 0.0f;
float y_rot = 0.0f;
float z_rot = 0.0f;
int prev_rot_mx = 0;
int prev_rot_my = 0;
int prev_rot_mz = 0;
static int active_slider = 0;
int rescale_to_winwidth(float value)
{
return round(value *winWidth);
}
void mouse_move(int mx, int my)
{
x_pos += (float)(mx - prev_mov_mx);
y_pos -= (float)(my - prev_mov_my);
prev_mov_mx = mx;
prev_mov_my = my;
}
void mouse_rotate(int mx, int my)
{
x_rot -= ((float)(my - prev_rot_my) / 5.0f);
y_rot -= ((float)(mx - prev_rot_mx) / 5.0f);
prev_rot_mx = mx;
prev_rot_my = my;
}
void mouse_roll(int mz)
{
z_rot -= ((float)(mz -prev_rot_mz) / 5.0f);
prev_rot_mz = mz;
}
void click(int button, int state, int mx, int my)
{
/* First check wether we are on the top half, or bottom half of the bar, if neither then
* the mouseinput is for the smoke
*/
if (!state)
{
prev_mov_mx = prev_rot_mx = mx;
prev_mov_my = prev_rot_my = my;
prev_rot_mz = mx;
}
if (streamlines_get_render())
{
create_seedpoint(mx, my);
}
if (my <25) {
/* Click received on button bar */
float min, max;
if (my <13) {
/* Upper half */
/* check wether mx is min or max slider */
min = colormap_get_scale_min();
max = colormap_get_scale_max();
if (mx <(rescale_to_winwidth(min +((max - min) /2)))) {
active_slider = MOUSE_SCALE_MIN;
} else if (mx >(rescale_to_winwidth(max -((max - min) /2)))) {
active_slider = MOUSE_SCALE_MAX;
}
} else {
/* Bottom half */
min = colormap_get_clamp_min();
max = colormap_get_clamp_max();
/* check wether mx is min or max slider */
if (mx <(rescale_to_winwidth(min +((max - min) /2)))) {
active_slider = MOUSE_CLAMP_MIN;
} else if (mx >(rescale_to_winwidth(max -((max - min) /2)))) {
active_slider = MOUSE_CLAMP_MAX;
}
}
}
}
// drag: When the user drags with the mouse, add a force that corresponds to the direction of the mouse
// cursor movement. Also inject some new matter into the field at the mouse location.
void drag(int mx, int my)
{
if (my > 25) {
fluids_insert_smoke(mx, my);
} else {
switch (active_slider) {
case MOUSE_SCALE_MIN:
colormap_set_scale_min((float)mx /winWidth);
break;
case MOUSE_SCALE_MAX:
colormap_set_scale_max((float)mx /winWidth);
break;
case MOUSE_CLAMP_MIN:
colormap_set_clamp_min((float)mx /winWidth);
break;
case MOUSE_CLAMP_MAX:
colormap_set_clamp_max((float)mx /winWidth);
break;
case MOUSE_SMOKE:
default:
break;
}
}
}
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