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nilsberglund-orleans
2021-09-26 16:47:29 +02:00
committed by GitHub
parent 70440115ee
commit c73cbe10a0
10 changed files with 2597 additions and 79 deletions
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49
drop_billiard.c
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@@ -30,23 +30,22 @@
#define MOVIE 0 /* set to 1 to generate movie */
// #define WINWIDTH 720 /* window width */
#define WINWIDTH 1280 /* 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 */
// #define XMIN -1.8
// #define XMAX 1.8 /* x interval */
// #define YMIN -0.91
// #define YMAX 1.115 /* y interval for 9/16 aspect ratio */
#define SCALING_FACTOR 1.0 /* scaling factor of drawing, needed for flower billiards, otherwise set to 1.0 */
/* Choice of the billiard table, see global_particles.c */
#define B_DOMAIN 13 /* choice of domain shape */
#define B_DOMAIN 15 /* choice of domain shape */
#define CIRCLE_PATTERN 0 /* pattern of circles */
@@ -57,30 +56,32 @@
// #define NCY 15 /* number of circles in y direction */
#define NCX 15 /* 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 LAMBDA 1.0 /* parameter controlling shape of billiard */
#define LAMBDA 1.124950941 /* sin(36°)/sin(31.5°) for 5-star shape with 45° angles */
#define LAMBDA 0.0 /* parameter controlling shape of billiard */
// #define LAMBDA 1.124950941 /* sin(36°)/sin(31.5°) for 5-star shape with 45° angles */
// #define LAMBDA 1.445124904 /* sin(36°)/sin(24°) for 5-star shape with 60° angles */
// #define LAMBDA 3.75738973 /* sin(36°)/sin(9°) for 5-star shape with 90° angles */
// #define LAMBDA -1.73205080756888 /* -sqrt(3) for Reuleaux triangle */
// #define LAMBDA 1.73205080756888 /* sqrt(3) for triangle tiling plane */
#define MU 0.1 /* second parameter controlling shape of billiard */
#define MU 0.9 /* second parameter controlling shape of billiard */
#define FOCI 1 /* set to 1 to draw focal points of ellipse */
#define NPOLY 5 /* number of sides of polygon */
#define APOLY -1.0 /* angle by which to turn polygon, in units of Pi/2 */
#define NPOLY 4 /* number of sides of polygon */
#define APOLY 0.0 /* angle by which to turn polygon, in units of Pi/2 */
#define DRAW_BILLIARD 1 /* set to 1 to draw billiard */
#define DRAW_CONSTRUCTION_LINES 1 /* set to 1 to draw additional construction lines for billiard */
#define PERIODIC_BC 0 /* set to 1 to enforce periodic boundary conditions when drawing particles */
#define RESAMPLE 0 /* set to 1 if particles should be added when dispersion too large */
#define NPART 50000 /* number of particles */
#define NPART 10000 /* number of particles */
#define NPARTMAX 100000 /* maximal number of particles after resampling */
#define NSTEPS 5500 /* number of frames of movie */
#define TIME 40 /* time between movie frames, for fluidity of real-time simulation */
#define NSTEPS 4200 /* number of frames of movie */
#define TIME 100 /* time between movie frames, for fluidity of real-time simulation */
#define DPHI 0.0001 /* integration step */
#define NVID 20 /* number of iterations between images displayed on screen */
#define NVID 50 /* number of iterations between images displayed on screen */
/* Decreasing TIME accelerates the animation and the movie */
/* For constant speed of movie, TIME*DPHI should be kept constant */
@@ -98,9 +99,9 @@
/* color and other graphical parameters */
#define NCOLORS 16 /* number of colors */
#define COLORSHIFT 200 /* hue of initial color */
#define RAINBOW_COLOR 1 /* set to 1 to use different colors for all particles */
#define NCOLORS 12 /* number of colors */
#define COLORSHIFT 0 /* hue of initial color */
#define RAINBOW_COLOR 0 /* set to 1 to use different colors for all particles */
#define NSEG 100 /* number of segments of boundary */
#define BILLIARD_WIDTH 4 /* width of billiard */
#define FRONT_WIDTH 3 /* width of wave front */
@@ -109,12 +110,14 @@
#define COLOR_OUTSIDE 0 /* set to 1 for colored outside */
#define OUTER_COLOR 300.0 /* color outside billiard */
#define PAINT_INT 1 /* set to 1 to paint interior in other color (for polygon) */
#define PAINT_EXT 0 /* set to 1 to paint exterior of billiard */
#define PAUSE 1000 /* number of frames after which to pause */
#define PSLEEP 1 /* sleep time during pause */
#define SLEEP1 1 /* initial sleeping time */
#define SLEEP2 100 /* final sleeping time */
#define PSLEEP 1 /* sleep time during pause */
#define SLEEP1 1 /* initial sleeping time */
#define SLEEP2 100 /* final sleeping time */
#define END_FRAMES 0 /* number of frames at end of movie */
#define PI 3.141592654
#define DPI 6.283185307
@@ -442,7 +445,9 @@ void animation()
for (i=0; i<NPARTMAX; i++)
configs[i] = (double *)malloc(8*sizeof(double));
init_drop_config(-1.0 + 0.3*sqrt(2.0), -1.0 + 0.5*sqrt(2.0), 0.0, DPI, configs);
// init_drop_config(0.1, 0.1, 0.0, DPI, configs);
init_drop_config(0.0, 0.0, 0.0, DPI, configs);
// init_drop_config(-1.0 + 0.3*sqrt(2.0), -1.0 + 0.5*sqrt(2.0), 0.0, DPI, configs);
// init_drop_config(-0.5, -0.5, 0.0, DPI, configs);
// init_boundary_config(1.5, 1.5, 0.0, PI, configs);
@@ -495,7 +500,7 @@ 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_drop/");
}