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	accepts command line argument to adjust the speed, 30 is the default, 5 is a go…
	git clone git://bitreich.org/gnuskii git://enlrupgkhuxnvlhsf6lc3fziv5h2hhfrinws…
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	---
	commit 11cc620aa0c6b69f1540219053d5078bdc8a8990
	parent 8ef1f6f6500b7ed6cde5af625c040f9071f121dd
	Author: Rudolf Olah <[email protected]>
	Date: Fri, 8 Aug 2025 11:33:57 -0400

	accepts command line argument to adjust the speed, 30 is the default, 5 is a go…

	* accepts command line argument to adjust the speed, 30 is the default, 5 is a …

	using usleep instead of REFRESH_RATE and ticker, which have been removed

	this could be a good way to present a challenge to a player, start with a low n…

	* updated demo.gif

	* updated link

	* adjust default fps value from 30 to 20 and removed the conditional for the us…

	* refactor speed handling and movement logic; increase max speed limit and adju…
	Diffstat:
	M README.md \| 2 +-
	M demo.gif \| 0
	M src/main.c \| 27 ++++++++++++++++-----------

	3 files changed, 17 insertions(+), 12 deletions(-)
	---
	diff --git a/README.md b/README.md
	@@ -7,7 +7,7 @@ GNUSki is an open source clone of [Skifree](https://en.wikipedi…
	## GNUSki around the web
	- [homebrew formula for gnuski](https://formulae.brew.sh/formula/gnuski)
	- [formula code for gnuski](https://github.com/Homebrew/homebrew-core/blob/5…
	-- [ascii cinema recording of gnuski](https://asciinema.org/a/485510)
	+- [ascii cinema recording of gnuski](https://asciinema.org/a/669357)
	- [demo.gif](./demo.gif)
	- [Termux](https://termux.dev/en/), an Android terminal emulator and Linux env…
	- [gnuski package for Termux](https://github.com/termux/termux-packages/tree…
	diff --git a/demo.gif b/demo.gif
	Binary files differ.
	diff --git a/src/main.c b/src/main.c
	@@ -22,16 +22,17 @@
	#include <stdlib.h>
	#include <time.h>
	#include <stdio.h>
	+#include <unistd.h>
	#include <ncurses.h>

	#define MAX_OBJECTS 300
	-#define REFRESH_RATE 5000

	int main (int argc, char* argv[])
	{
	+ const long fps = argc != 2 ? 20l : strtol(argv[1], NULL, 10);
	struct Object player, objects[MAX_OBJECTS];
	- unsigned int c = 0, i = 0, maxRows, maxCols, ticker = 0, score = 0,
	- distance = 0, speed = 1, style = 0;
	+ unsigned int c = 0, i = 0, maxRows, maxCols, score = 0,
	+ distance = 0, speed = 2, style = 0, frame_counter = 0;
	enum mode {loop, lose, win} state = loop;
	char facing[2] = {'s', 'n'}; /* Player facing, object facing */

	@@ -77,7 +78,7 @@ int main (int argc, char* argv[])
	break;

	case KEY_DOWN: case 'j': case 'J':
	- if (speed < 3)
	+ if (speed < 4)
	speed++;
	break;

	@@ -86,17 +87,22 @@ int main (int argc, char* argv[])
	break;
	}

	- if (ticker == REFRESH_RATE)
	- {
	clear ();
	- ticker = 0;

	/* Check for collisions and draw the objects */
	for (i = 0; i < MAX_OBJECTS; i++)
	{
	if (objects[i].type != none && collision (player, objects[i]))
	state = lose;
	- moveObject (&objects[i], facing[1], speed);
	+ /* Calculate actual movement based on speed and frame counter */
	+ int actual_speed = 0;
	+ if (speed == 0) actual_speed = 0;
	+ else if (speed == 1 && frame_counter % 4 == 0) actual_speed = 1;
	+ else if (speed == 2 && frame_counter % 3 == 0) actual_speed = 1;
	+ else if (speed == 3 && frame_counter % 2 == 0) actual_speed = 1;
	+ else if (speed == 4) actual_speed = 1;
	+
	+ moveObject (&objects[i], facing[1], actual_speed);
	if (objects[i].y < 0)
	setPosition (&objects[i], rand () % (maxCols*2),
	rand () % maxRows + maxRows);
	@@ -110,10 +116,9 @@ int main (int argc, char* argv[])
	printw ("Speed: %02im/s\n", speed);
	printw ("Style: %4i", style);
	distance += speed;
	- }
	+ frame_counter++;
	refresh ();
	- if (speed > 0)
	- ticker++;
	+ usleep(1000000 / fps);
	c = getch ();
	}
	clear ();