daviddoji/YouTube-simulations
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This commit is contained in:
Nils Berglund
2022-06-25 15:49:37 +02:00
committed by GitHub
parent fc192fb978
commit 419902e963
19 changed files with 2111 additions and 576 deletions
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92
particle_billiard.c
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@@ -29,14 +29,15 @@
#include <unistd.h>
#include <sys/types.h>
#include <tiffio.h> /* Sam Leffler's libtiff library. */
#include <time.h>
#define MOVIE 0 /* set to 1 to generate movie */
#define WINWIDTH 1280 /* window width */
#define WINWIDTH 720 /* window width */
#define WINHEIGHT 720 /* window height */
#define XMIN -2.0
#define XMAX 2.0 /* x interval */
#define XMIN -1.125
#define XMAX 1.125 /* x interval */
#define YMIN -1.125
#define YMAX 1.125 /* y interval for 9/16 aspect ratio */
@@ -47,22 +48,20 @@
#define B_DOMAIN 30 /* choice of domain shape */
#define CIRCLE_PATTERN 1 /* pattern of circles */
#define POLYLINE_PATTERN 6 /* pattern of polyline */
#define POLYLINE_PATTERN 8 /* pattern of polyline */
#define ABSORBING_CIRCLES 1 /* set to 1 for circular scatterers to be absorbing */
#define NMAXCIRCLES 100000 /* total number of circles (must be at least NCX*NCY for square grid) */
#define NMAXPOLY 100000 /* total number of sides of polygonal line */
// #define NCX 10 /* number of circles in x direction */
// #define NCY 10 /* number of circles in y direction */
#define NCX 30 /* number of circles in x direction */
#define NCY 20 /* number of circles in y direction */
#define NPOISSON 500 /* number of points for Poisson C_RAND_POISSON arrangement */
#define NGOLDENSPIRAL 2000 /* max number of points for C_GOLDEN_SPIRAL arrandement */
#define SDEPTH 1 /* Sierpinski gastket depth */
#define LAMBDA 0.8 /* parameter controlling shape of domain */
#define MU 0.015 /* second parameter controlling shape of billiard */
#define LAMBDA 1.5 /* parameter controlling shape of domain */
#define MU 0.01 /* second parameter controlling shape of billiard */
#define FOCI 1 /* set to 1 to draw focal points of ellipse */
#define NPOLY 6 /* number of sides of polygon */
#define APOLY 0.0 /* angle by which to turn polygon, in units of Pi/2 */
@@ -80,16 +79,17 @@
#define LMAX 0.01 /* minimal segment length triggering resampling */
#define DMIN 0.02 /* minimal distance to boundary for triggering resampling */
#define CYCLE 1 /* set to 1 for closed curve (start in all directions) */
#define SHOWTRAILS 1 /* set to 1 to keep trails of the particles */
#define SHOWTRAILS 0 /* set to 1 to keep trails of the particles */
#define SHOWZOOM 1 /* set to 1 to show zoom on specific area */
#define PRINT_PARTICLE_NUMBER 1 /* set to 1 to print number of particles */
#define PRINT_COLLISION_NUMBER 0 /* set to 1 to print number of collisions */
#define TEST_ACTIVE 1 /* set to 1 to test whether particle is in billiard */
#define NSTEPS 5000 /* number of frames of movie */
#define TIME 1500 /* time between movie frames, for fluidity of real-time simulation */
#define DPHI 0.00001 /* integration step */
#define NVID 150 /* number of iterations between images displayed on screen */
#define NSTEPS 1000 /* number of frames of movie */
#define TIME 2500 /* time between movie frames, for fluidity of real-time simulation */
#define DPHI 0.00001 /* integration step */
#define NVID 100 /* number of iterations between images displayed on screen */
#define END_FRAMES 25 /* number of still frames at the end of the movie */
/* Decreasing TIME accelerates the animation and the movie */
/* For constant speed of movie, TIME*DPHI should be kept constant */
@@ -99,14 +99,14 @@
/* Colors and other graphical parameters */
#define COLOR_PALETTE 11 /* Color palette, see list in global_pdes.c */
#define COLOR_PALETTE 17 /* Color palette, see list in global_pdes.c */
#define NCOLORS 32 /* number of colors */
#define NCOLORS 64 /* number of colors */
#define COLORSHIFT 0 /* hue of initial color */
#define RAINBOW_COLOR 1 /* set to 1 to use different colors for all particles */
#define FLOWER_COLOR 0 /* set to 1 to adapt initial colors to flower billiard (tracks vs core) */
#define NSEG 100 /* number of segments of boundary */
#define LENGTH 0.05 /* length of velocity vectors */
#define LENGTH 0.03 /* length of velocity vectors */
#define BILLIARD_WIDTH 2 /* width of billiard */
#define PARTICLE_WIDTH 3 /* width of particles */
#define FRONT_WIDTH 3 /* width of wave front */
@@ -120,7 +120,7 @@
#define PAUSE 200 /* number of frames after which to pause */
#define PSLEEP 2 /* sleep time during pause */
#define SLEEP1 1 /* initial sleeping time */
#define SLEEP2 1000 /* final sleeping time */
#define SLEEP2 1 /* final sleeping time */
#include "global_particles.c"
@@ -437,10 +437,18 @@ void draw_config_showtrails(int color[NPARTMAX], double *configs[NPARTMAX], int
}
if (DRAW_BILLIARD) draw_billiard();
if (SHOWZOOM)
{
draw_zoom(color, configs, active, x_target, y_target, 0.1, 1.65, 0.75, 0.3, 0);
draw_zoom(color, configs, active, x_shooter, y_shooter, 0.1, -1.65, 0.75, 0.3, 1);
if (SHOWZOOM) switch (POLYLINE_PATTERN) {
case (P_TOKA_PRIME):
{
draw_zoom(color, configs, active, x_target, y_target, 0.1, 1.65, 0.75, 0.3, 0);
draw_zoom(color, configs, active, x_shooter, y_shooter, 0.1, -1.65, 0.75, 0.3, 1);
break;
}
case (P_TOKA_NONSELF):
{
draw_zoom(color, configs, active, 0.0, 0.0, 0.1, 1.65, 0.75, 0.3, 0);
break;
}
}
// if (SHOWZOOM) draw_zoom(color, configs, active, 0.95, 0.0, 0.1);
}
@@ -547,10 +555,18 @@ void draw_config(int color[NPARTMAX], double *configs[NPARTMAX], int active[NPAR
}
if (DRAW_BILLIARD) draw_billiard();
if (SHOWZOOM)
{
draw_zoom(color, configs, active, x_target, y_target, 0.1, 1.65, 0.75, 0.3, 0);
draw_zoom(color, configs, active, x_shooter, y_shooter, 0.1, -1.65, 0.75, 0.3, 1);
if (SHOWZOOM) switch (POLYLINE_PATTERN) {
case (P_TOKA_PRIME):
{
draw_zoom(color, configs, active, x_target, y_target, 0.1, 1.65, 0.75, 0.3, 0);
draw_zoom(color, configs, active, x_shooter, y_shooter, 0.1, -1.65, 0.75, 0.3, 1);
break;
}
case (P_TOKA_NONSELF):
{
draw_zoom(color, configs, active, 0.0, 0.0, 0.1, 0.82, 0.82, 0.25, 0);
break;
}
}
// if (SHOWZOOM) draw_zoom(color, configs, active, 0.95, 0.0, 0.1);
}
@@ -668,7 +684,7 @@ void animation()
// init_drop_config(-1.0 + 0.3*sqrt(2.0), -1.0 + 0.5*sqrt(2.0), 0.0, DPI, configs);
init_line_config(0.0, 0.3, 0.0, 0.9, 0.0, configs);
// init_line_config(0.0, 0.0, 0.0, 0.9, 0.0, configs);
// init_drop_config(-0.95, 0.0, -0.103 + DPI/15.0, -0.1 + DPI/15.0, configs);
/* find long trajectory */
@@ -697,7 +713,9 @@ void animation()
// init_drop_config(x_shooter, y_shooter, alphamax, alphamax + DPI, configs);
// init_drop_config(-0.95, 0.0, 1.0, 1.0 + DPI, configs);
// init_drop_config(-0.5, 0.0, 0.2, 0.4, configs);
init_drop_config(0.0, 0.0, 0.0, DPI, configs);
// init_drop_config(-1.3, -0.1, 0.0, DPI, configs);
// init_drop_config(1.4, 0.1, 0.0, DPI, configs);
// init_drop_config(0.5, 0.5, -1.0, 1.0, configs);
@@ -759,8 +777,8 @@ void animation()
/* initialize drops in different colors */
// init_partial_drop_config(0.0, 0.0, 0.0, DPI, 0, 2*NPART/5, 0, configs, color, newcolor);
// init_partial_drop_config(0.0, 0.8, 0.0, DPI, 2*NPART/5, 4*NPART/5, 10, configs, color, newcolor);
// init_partial_drop_config(1.2, 0.1, 0.0, DPI, 4*NPART/5, NPART, 36, configs, color, newcolor);
// init_partial_drop_config(0.0, 0.8, 0.0, DPI, 2*NPART/5, 4*NPART/5, 30, configs, color, newcolor);
// init_partial_drop_config(LAMBDA - 0.05, 0.1, 0.0, DPI, 4*NPART/5, NPART, 60, configs, color, newcolor);
for (i=0; i<=NSTEPS; i++)
{
@@ -798,7 +816,7 @@ void animation()
if (MOVIE)
{
for (i=0; i<20; i++) save_frame();
for (i=0; i<END_FRAMES; i++) save_frame();
s = system("mv part*.tif tif_part/");
}
@@ -811,6 +829,12 @@ void animation()
void display(void)
{
time_t rawtime;
struct tm * timeinfo;
time(&rawtime);
timeinfo = localtime(&rawtime);
glPushMatrix();
blank();
@@ -827,6 +851,13 @@ void display(void)
sleep(SLEEP2);
glPopMatrix();
glutDestroyWindow(glutGetWindow());
printf("Start local time and date: %s", asctime(timeinfo));
time(&rawtime);
timeinfo = localtime(&rawtime);
printf("Current local time and date: %s", asctime(timeinfo));
}
@@ -848,4 +879,3 @@ int main(int argc, char** argv)
return 0;
}