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.Dd September 27, 2021
.Dt CGOL 3
.Os "ben's space"
.Sh NAME
.Nm alive ,
.Nm evolve ,
.Nm neighbours ,
.Nm png ,
.Nm randomize
.Nd play the game of life
.Sh SYNOPSIS
.In cairo/cairo.h
.In stdio.h
.In stdlib.h
.In time.h
.Fd #define WHATS_OUTSIDE 0
.Ft int
.Fn alive "int x" "int y" "short *cells" "int nx" "int ny"
.Ft int
.Fn evolve "short *cells" "int nx" "int ny"
.Ft int
.Fn neighbours "int x" "int y" "short *cells" "int nx" "int ny"
.Ft int
.Fn png "struct imgdata *img" "short *cells" "char *fname"
.Ft void
.Fn randomize "short *cells" "int nx" "int ny"
.Sh DESCRIPTION
.Bd -literal
struct rgb {
double r, g, b;
};
.Ed
.Bd -literal
struct imgdata {
double width, height;
int ny, nx; /* number of columns and rows */
struct gdb a, i, b; /* RGB for active, inactive, background pixels */
};
.Ed
.Sh AUTHORS
.An phoebos Aq Mt ben@bvnf.space
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