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authorWilrik de Loose <wilrik@wilrik.nl>2007-12-14 08:35:25 (GMT)
committerWilrik de Loose <wilrik@wilrik.nl>2007-12-14 08:35:25 (GMT)
commit5601182e9456b3d4d782f135c8b151f5d9b021cd (patch)
treefe9e06a8a0f572dad622e8887732796a725887fe /Smoke/fluids.c
parent2b49eb5eb684537c19d9f0eabdffad0ffcf196ac (diff)
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glyphs apart in een file gestopt
Diffstat (limited to 'Smoke/fluids.c')
-rw-r--r--Smoke/fluids.c208
1 files changed, 32 insertions, 176 deletions
diff --git a/Smoke/fluids.c b/Smoke/fluids.c
index b40b507..e9756df 100644
--- a/Smoke/fluids.c
+++ b/Smoke/fluids.c
@@ -2,32 +2,18 @@
// the velocity field at the mouse location. Press the indicated keys to change options
//--------------------------------------------------------------------------------------------------
-#define max(a, b) (a > b ? a : b)
-#define min(a, b) (a < b ? a : b)
-#define round(x) (int)(x < 0 ? x - 0.5 : x + 0.5)
-
-#define MAX_INFINITE (1.#INF000)
-#define MIN_INFINITE (-1.#INF000)
-
-#define vec_len(x,y) (sqrt((x*x) + (y*y)))
-
-#define FALSE 0
-#define TRUE !FALSE
-
#ifdef G_OS_WIN32
#define WIN32_LEAN_AND_MEAN 1
#include <windows.h>
#endif
#include <math.h>
-#include <rfftw.h> //the numerical simulation FFTW library
-#include <stdio.h> //for printing the help text
-
-#include <GL/gl.h>
-#include <GL/glu.h>
+#include <stdio.h>
#include "fluids.h"
+#include "glyphs.h"
#include "seedpoint.h"
+#include "funcs.h"
//--- SIMULATION PARAMETERS ------------------------------------------------------------------------
const int DIM = 50; //size of simulation grid
@@ -97,7 +83,6 @@ void init_simulation(int n)
float LightAmbient[] = { 0.25f, 0.25f, 0.25f, 1.0f }; // Ambient light values
float LightPosition[] = { 0.0f, 0.0f, -900.0f, 1.0f }; // Position of the light source
int i; size_t dim;
- GLUquadricObj *qobj;
dim = n * 2*(n/2+1)*sizeof(fftw_real); //Allocate data structures
vx = (fftw_real*) malloc(dim);
@@ -137,15 +122,6 @@ void init_simulation(int n)
glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
-
- startList = glGenLists(2);
- qobj = gluNewQuadric();
-
- gluQuadricDrawStyle(qobj, GLU_FILL);
- gluQuadricNormals(qobj, GLU_SMOOTH);
- glNewList(startList, GL_COMPILE);
- gluCylinder(qobj, 10, 0.2, 8, 8, 8);
- glEndList();
}
int rescale_to_winwidth(float value)
@@ -162,7 +138,9 @@ void FFT(int direction,void* vx)
}
int clamp(float x)
-{ return ((x)>=0.0?((int)(x)):(-((int)(1-(x))))); }
+{
+ return ((x)>=0.0?((int)(x)):(-((int)(1-(x)))));
+}
//solve: Solve (compute) one step of the fluid flow simulation
void solve(int n, fftw_real* vx, fftw_real* vy, fftw_real* vx0, fftw_real* vy0, fftw_real visc, fftw_real dt)
@@ -294,19 +272,15 @@ void copy_frame(void)
switch (vis_dataset)
{
case DATASET_FORCE:
- // hight_array[i] = sqrt(fx[i] * fx[i] + fy[i] * fy[i]) * 100;
break;
case DATASET_VEL:
- // hight_array[i] = sqrt(vx[i] * vx[i] + vy[i] * vy[i]) * 2000;
break;
case DATASET_RHO:
- // hight_array[i] = rho[i] * 10;
memcpy(frame_hist[frame_index], rho, sizeof(DIM * 2 * (DIM / 2 + 1) * sizeof(fftw_real)));
break;
default:
case DATASET_DIVV:
case DATASET_DIVF:
- // hight_array[i] = 0.0f;
break;
}
frame_index = (frame_index + 1) % DIM;
@@ -374,8 +348,6 @@ float remap(float value)
value -= scale_min;
value /= (scale_max - scale_min);
- //value = (value < 0) ? 0 : (value > 1) ? 1 : value;
-
return value;
}
@@ -485,7 +457,6 @@ float get_dataset(int index)
fftw_real cell_x = (fftw_real)winWidth / (fftw_real)(DIM + 1); // Grid cell width
fftw_real cell_y = (fftw_real)winHeight / (fftw_real)(DIM + 1); // Grid cell heigh
float return_value, par_der_x, par_der_y;
- static int klote = 0;
return_value = 0;
@@ -534,143 +505,6 @@ void set_autoscaling(void)
//rho_threshold = (scale_min + scale_max) / 2;
}
-void render_glyph(float x_value, float y_value, float i, float j)
-{
- float x0, y0, z0, x1, y1, z1, x_dev, y_dev, z_dev, size, length;
- float scale = (float)((float)DIM / (float)var_dims) / 6;
- double theta, in_prod;
- fftw_real wn, hn;
-
- size = sqrt((x_value * x_value * 20) + (y_value * y_value * 20)) * 3 * scale;
-
- wn = (fftw_real)winWidth / (fftw_real)(var_dims + 1); // Grid cell width
- hn = (fftw_real)winHeight / (fftw_real)(var_dims + 1); // Grid cell heigh
-
- x0 = wn + (fftw_real)i * wn;
- y0 = hn + (fftw_real)j * hn;
- z0 = 0.0f;
-
- x1 = x0 + (vec_scale * x_value)/4;
- y1 = y0 + (vec_scale * y_value)/4;
- z1 = 0.0f;
-
- // inner product
- x_dev = x1 - x0;
- y_dev = y1 - y0;
- length = sqrt(x_dev * x_dev + y_dev * y_dev);
-
- x_dev = (length == 0) ? 0 : x_dev / length;
- y_dev = (length == 0) ? 1 : y_dev / length;
-
- in_prod = x_dev * 0 + y_dev * 1;
- theta = acos(in_prod) * (180/3.141592654);
- if (x1 > x0) { theta *= -1; }
-
- switch(glyph_sort)
- {
- default:
- case GLYPH_LINES:
- glBegin(GL_LINES);
- glVertex3f(x0, y0, z0);
- glVertex3f(x1, y1, z0);
- glEnd();
- break;
-
- case GLYPH_ARROWS:
- glPushMatrix();
- glTranslatef(x0, y0, z0);
- glRotatef(theta, 0.0, 0.0, 1.0);
- glTranslatef(-x0, -y0, -z0);
-
- glBegin(GL_TRIANGLES);
- glVertex2d(-10 * size + x0, -25 * size + y0);
- glVertex2d( 0 * size + x0, 25 * size + y0);
- glVertex2d( 10 * size + x0, -25 * size + y0);
- glEnd();
-
- glRotatef(-theta, 0.0, 0.0, 1.0);
- glPopMatrix();
- break;
-
- case GLYPH_CYLINDERS:
- x_dev = x1 - x0;
- y_dev = y1 - y0;
- length = sqrt(x_dev * x_dev + y_dev * y_dev) / 8;
-
- glPushMatrix();
-
- glTranslatef(x0, y0, -1.0);
- glRotatef(theta, 0.0, 0.0, 1.0);
- glRotatef(-90, 1.0, 0.0, 0.0);
- glScalef(length, length, length);
- glCallList(startList);
-
- glPopMatrix();
- break;
-
- case GLYPH_SPHERES:
- glPushMatrix();
-
- glTranslatef(x0, y0, -1.0);
- glRotatef(theta, 0.0, 0.0, 1.0);
- glRotatef(-90, 1.0, 0.0, 0.0);
- glScalef(length, length, length);
- glCallList(startList);
-
- glPopMatrix();
- break;
- }
-}
-
-void draw_glyphs(void)
-{
- int i, j, idx;
- float value, scale, idxcf, idxrf;
-
- if (use_glyphs)
- {
- scale = (float)((float)DIM / (float)var_dims);
- for (i = 0; i < var_dims; i++)
- {
- for (j = 0; j < var_dims; j++)
- {
- idxcf = round(j * scale) * DIM;
- idxrf = round(i * scale);
- idx = idxcf + idxrf;
-
- switch (glyph_scalar)
- {
- default:
- case SCALAR_RHO:
- value = rho[idx];
- break;
-
- case SCALAR_VEL:
- value = vec_len(vx[idx], vy[idx]);
- break;
-
- case SCALAR_FORCE:
- value = vec_len(fx[idx], fy[idx]);
- break;
- }
-
- set_colormap(value, FALSE, 0.5f);
- switch (glyph_vector)
- {
- default:
- case VECTOR_VEL:
- render_glyph(vx[idx], vy[idx], i, j);
- break;
-
- case VECTOR_FORCE:
- render_glyph(fx[idx], fy[idx], i, j);
- break;
- }
- }
- }
- }
-}
-
#define percentage(a, b) (min(a, b) / max(a, b))
void draw_isolines(float threshold)
@@ -786,8 +620,6 @@ void draw_isolines(float threshold)
glEnd();
}
-//W
-
//visualize: This is the main visualization function
void visualize(void)
{
@@ -1101,11 +933,13 @@ void drag(int mx, int my)
}
}
-void zoom_in(void) {
+void zoom_in(void)
+{
z_pos += 20;
}
-void zoom_out(void) {
+void zoom_out(void)
+{
z_pos -= 20;
}
@@ -1123,3 +957,25 @@ void toggle_mouse_rotate(void) { rotate_plane = (rotate_plane) ? FALSE : TRUE;
void toggle_seed_insert(void) { seed_insert = (seed_insert) ? FALSE : TRUE; }
void set_glyph_scalar(int arg) { glyph_scalar = arg; }
void set_glyph_vector(int arg) { glyph_vector = arg; }
+
+// getters and setters
+
+int get_var_dims(void)
+{
+ return var_dims;
+}
+
+void set_var_dims(int dims)
+{
+ var_dims = dims;
+}
+
+int get_glyph_sort(void)
+{
+ return glyph_sort;
+}
+
+void set_glyph_sort(int sort)
+{
+ glyph_sort = sort;
+} \ No newline at end of file