daviddoji/YouTube-simulations
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This commit is contained in:
Nils Berglund
2025-07-29 17:42:52 +02:00
committed by GitHub
parent e619fee32c
commit e64ed967ce
19 changed files with 6301 additions and 964 deletions
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14
billiard_phase_space.c
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@@ -52,12 +52,13 @@
/* Choice of the billiard table, see global_particles.c */
#define B_DOMAIN 1 /* choice of domain shape */
#define B_DOMAIN 11 /* choice of domain shape */
#define CIRCLE_PATTERN 6 /* pattern of circles */
#define POLYLINE_PATTERN 4 /* pattern of polyline */
#define ABSORBING_CIRCLES 1 /* set to 1 for circular scatterers to be absorbing */
#define NABSCIRCLES 10 /* number of absorbing circles */
#define NMAXCIRCLES 50000 /* total number of circles (must be at least NCX*NCY for square grid) */
#define NMAXPOLY 50000 /* total number of sides of polygonal line */
@@ -67,13 +68,16 @@
#define NGOLDENSPIRAL 2000 /* max number of points for C_GOLDEN_SPIRAL arrandement */
#define SDEPTH 2 /* Sierpinski gastket depth */
#define LAMBDAMIN 0.0 /* parameter controlling shape of domain */
#define LAMBDA 1.5 /* parameter controlling shape of domain */
#define LAMBDAMIN 6.0 /* parameter controlling shape of domain */
#define LAMBDA 20.0 /* parameter controlling shape of domain */
#define MU 1.0 /* 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 NPOLY 3 /* number of sides of polygon */
#define APOLY -1.0 /* angle by which to turn polygon, in units of Pi/2 */
#define LAMBDA_B 1.0 /* parameter controlling shape of domain (for P_POLYRING) */
#define NPOLY_B 100000 /* number of sides of second polygon */
#define APOLY_B 1.0 /* angle by which to turn second 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 */
@@ -96,7 +100,7 @@
#define PRINT_TRAJECTORY_LENGTH 0 /* set to 1 to print length of trajectory 0 */
#define PRINT_TRAJECTORY_PERIOD 0 /* set to 1 to print period of trajectory 0 */
#define DRAW_LENGTHS_PLOT 0 /* set to 1 to plot trajectory lengths */
#define LENGTHS_LOG_SCALE 0 /* set to 1 to use log scale for plot of lengths */
#define LENGTHS_LOG_SCALE 1 /* set to 1 to use log scale for plot of lengths */
#define MAX_ANGLE 90.0 /* range of angles of trajectory */
#define NSTEPS 4000 /* number of frames of movie */
@@ -141,7 +145,7 @@
#define PLOT_LYAPUNOV 1 /* set to 1 to add plot of Lyapunov exponents */
#define LOGSCALEX_LYAP 0 /* set to 1 to use log scale on parameter axis of Lyapunov exponents */
#define LYAP_MAX 1.0 /* maximal Lyapunov exponent */
#define ADAPT_TO_SYMMETRY 0 /* set to 1 to show only one symmetric part of phase space */
#define ADAPT_TO_SYMMETRY 1 /* set to 1 to show only one symmetric part of phase space */
#define SYMMETRY_FACTOR 3 /* proportion of phase space to be shown */
#define PAUSE 1000 /* number of frames after which to pause */