n_fluids.h File Reference

Fluid management port from "How to write an Eulerian fluid simulator with 200 lines of code", by Ten Minute Physics ( https://www.youtube.com/watch?v=iKAVRgIrUOU ) More...

#include "allegro5/allegro.h"
#include <allegro5/allegro_primitives.h>
#include "nilorea/n_list.h"
#include "nilorea/n_thread_pool.h"

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Data Structures
struct	N_FLUID
	structure of a fluid More...
struct	N_FLUID_THREAD_PARAMS
	structure passed to a threaded fluid process More...

Macros
#define	_z(__fluid, __component)   ((__fluid->__component) > (__fluid->negative_float_tolerance) && (__fluid->__component) < (__fluid->positive_float_tolerance))
	test if component is near zero, according to fluid's precision
#define	_zd(__fluid, __value)   ((__value) > (__fluid->negative_float_tolerance) && (__value) < (__fluid->positive_float_tolerance))
	test if value is near zero, according to fluid's precision

Functions
int	destroy_n_fluid (N_FLUID **fluid)
	ddestroy a fluid structure
int	n_fluid_advectSmoke (N_FLUID *fluid)
	non threaded version of add smoke function
int	n_fluid_advectVel (N_FLUID *fluid)
	non threaded version of add velocities function
double	n_fluid_avgU (N_FLUID *fluid, size_t i, size_t j)
	compute the average U value at a fluid position using it's surrounding
double	n_fluid_avgV (N_FLUID *fluid, size_t i, size_t j)
	compute the average V value at a fluid position using it's surrounding
int	n_fluid_draw (N_FLUID *fluid)
	draw a N_FLUID on screen / targert bitmap
int	n_fluid_extrapolate (N_FLUID *fluid)
	non threaded extrapolation function
ALLEGRO_COLOR	n_fluid_getSciColor (N_FLUID *fluid, double val, double minVal, double maxVal)
	get fonky colors for the fluid
int	n_fluid_integrate (N_FLUID *fluid)
	non threaded version of integration function
int	n_fluid_resetObstacles (N_FLUID *fluid)
	reset the obstacles set in a N_FLUID
double	n_fluid_sampleField (N_FLUID *fluid, double x, double y, uint32_t field)
	compute a sample value at a field position
int	n_fluid_setObstacle (N_FLUID *fluid, double x, double y, double vx, double vy, double r)
	set an obstacle in the fluid grid
int	n_fluid_simulate (N_FLUID *fluid)
	non threaded version of N_FLUID global processing function
int	n_fluid_simulate_threaded (N_FLUID *fluid, THREAD_POOL *thread_pool)
	a threaded version of N_FLUID global processing function
int	n_fluid_solveIncompressibility (N_FLUID *fluid)
	non threaded version of incompressibility solving function
N_FLUID *	new_n_fluid (double density, double gravity, size_t numIters, double dt, double overRelaxation, size_t sx, size_t sy)
	return a newly allocated fluid

Detailed Description

Fluid management port from "How to write an Eulerian fluid simulator with 200 lines of code", by Ten Minute Physics ( https://www.youtube.com/watch?v=iKAVRgIrUOU )

Author

Castagnier Mickaël aka Gull Ra Driel

Version

1.0

Date

31/12/2022

Definition in file n_fluids.h.