sheldonmlee/ncurses-gameoflife
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added terminal interrupt handlingw

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This commit is contained in:
Sheldon Lee 2020-06-12 22:50:03 +01:00
parent 9fd1fa4c83
commit 7c70cb4eb4
1 changed files with 17 additions and 6 deletions
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23
main.c
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@ -1,14 +1,21 @@
#include <stdio.h>
#include <stdbool.h>
#include <ncurses.h>
#include <unistd.h>
#include <math.h>
#include <signal.h>
#include "grid.h"
#include "vect.h"
void contain(int* pos, int* velocity, int min, int max);
static volatile int running = 1;
static void contain(int* pos, int* velocity, int min, int max);
// if ^C is pressed, set running flag to false
static void signalHandler(int sig);
int main()
{
signal(SIGINT, signalHandler);
int count = 0;
//init
initscr();
//noecho();
@ -29,9 +36,7 @@ int main()
initGrid(&grid, width, height);
putPixel(&grid, pos.x, pos.y);
while (1) {
clear();
while (running) {
clearGrid(&grid);
putPixel(&grid, pos.x, pos.y);
drawGrid(&grid);
@ -49,7 +54,7 @@ int main()
return 0;
}
void contain(int* pos, int* velocity, int min, int max)
static void contain(int* pos, int* velocity, int min, int max)
{
bool above_max = max < *pos;
bool below_min = *pos < min;
@ -60,3 +65,9 @@ void contain(int* pos, int* velocity, int min, int max)
*velocity *= -1;
}
}
static void signalHandler(int sig)
{
printf("interrupt\n");
running = 0;
}