daviddoji/YouTube-simulations
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This commit is contained in:
nilsberglund-orleans
2021-10-24 15:20:56 +02:00
committed by GitHub
parent 660e3d15fd
commit dadfb985ed
18 changed files with 3207 additions and 502 deletions
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30
drop_billiard.c
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@@ -30,14 +30,14 @@
#define MOVIE 0 /* set to 1 to generate movie */
// #define WINWIDTH 720 /* window width */
#define WINWIDTH 1280 /* window width */
#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 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 */
@@ -65,9 +65,9 @@
// #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 0.9 /* second parameter controlling shape of billiard */
#define MU 1.0 /* second parameter controlling shape of billiard */
#define FOCI 1 /* set to 1 to draw focal points of ellipse */
#define NPOLY 4 /* number of sides of polygon */
#define NPOLY 6 /* 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 */
@@ -78,10 +78,10 @@
#define NPART 10000 /* number of particles */
#define NPARTMAX 100000 /* maximal number of particles after resampling */
#define NSTEPS 4200 /* number of frames of movie */
#define TIME 100 /* time between movie frames, for fluidity of real-time simulation */
#define NSTEPS 5000 /* number of frames of movie */
#define TIME 150 /* time between movie frames, for fluidity of real-time simulation */
#define DPHI 0.0001 /* integration step */
#define NVID 50 /* number of iterations between images displayed on screen */
#define NVID 75 /* 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 */
@@ -99,12 +99,14 @@
/* color and other graphical parameters */
#define NCOLORS 12 /* number of colors */
#define COLORSHIFT 0 /* hue of initial color */
#define COLOR_PALETTE 1 /* Color palette, see list in global_pdes.c */
#define NCOLORS 6 /* number of colors */
#define COLORSHIFT 3 /* 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 */
#define FRONT_WIDTH 4 /* width of wave front */
#define BLACK 1 /* set to 1 for black background */
#define COLOR_OUTSIDE 0 /* set to 1 for colored outside */