Doesn't work segfaults.

game.c

@@ -1,15 +1,39 @@
+#include <ncurses.h>
 #include "game.h"
 #include "grid.h"
 #include "vect.h"
 
-static Grid grid;
+static Grid* grid = 0;
 
 static bool running = true;
 static bool do_step = true;
-static Vect2i cursor = {0, 0};
+static Vect2i cursor;
 
 void initGame()
 {
+	int width = 0;
+	int height = 0;
+	// stdscr is screen created by initscr()
+	getmaxyx(stdscr, height, width);
+
+	initGrid(grid, height, width);
+	randomizeGrid(grid);
+	cursor.x = width/2; cursor.y = height/2;
+}
+
+static void step() { do_step ^= 1; }
+
+void updateGame()
+{
+	if (!grid) return;
+	if (do_step) updateGrid(grid);
+}
+
+void drawGame()
+{
+	if (!grid) return;
+	drawGrid(grid);
+	refresh();
 }
 
 bool isRunning() { return running; }
@@ -35,9 +59,21 @@ void handleInput(char ch)
 	case 'l':
 		moveVect2i(&cursor, 1, 0);
 		break;
+	case 's':
+		step();
+		break;
 	}
 }
 
+void showLastPressed(char ch)
+{
+	static char lastc = ' ';
+	if (ch != -1) lastc = ch;
+	attron(COLOR_PAIR(2));
+	mvprintw(0, 0, "Last Pressed: %c", lastc);
+	attroff(COLOR_PAIR(2));
+}
+
 void showCurPos()
 {
 	attron(COLOR_PAIR(2));

game.h

@@ -7,12 +7,19 @@ void initGame();
 
 bool isRunning();
 
+void updateGame();
+
+void drawGame();
+
 void handleInput(char ch);
 
-// Overlay
+// Overlays
 // Draws cursor and cursor position
+void showLastPressed(char ch);
+
 void showCurPos();
 
 bool endgame();
 
 #endif
+

grid.c

@@ -1,5 +1,6 @@
 #include <stdlib.h>
 #include <time.h>
+#include <ncurses.h>
 #include "grid.h"
 
 void initGrid(Grid* grid, unsigned int width, unsigned int height)
@@ -108,3 +109,4 @@ void drawGrid(Grid* grid)
 		}
 	}
 }
+

grid.h

@@ -1,5 +1,4 @@
 #include <stdbool.h>
-#include <ncurses.h>
 
 #ifndef GRID_H
 #define GRID_H
@@ -28,3 +27,4 @@ void putPixel(Grid* grid, int x, int y);
 void drawGrid(Grid* grid);
 
 #endif
+

main.c

@@ -4,22 +4,18 @@
 #include <time.h>
 // math
 #include <math.h>
-
 // game
 #include "game.h"
 #include "grid.h"
 #include "vect.h"
 
 
-void showLastPressed(char ch);
-
 int main()
 { 
 	// init 
 	initscr();
 	raw();
 	noecho();
-	
 	// Colors
 	// allows for transparancy when color values in init_pair(); are set to -1 or, no pair specified
 	// e.g init_pair(1, COLOR_WHITE, -1) would be transparent background but white text
@@ -31,26 +27,16 @@ int main()
 	init_pair(2, COLOR_YELLOW, -1);
 	// cursor
 	init_pair(3, COLOR_RED, COLOR_RED);
-
 	// doesn't wait for user to input.
 	// timeout(100) waits for 100ms for input.
 	timeout(0); 	
 	curs_set(FALSE);
 
-	int width = 0;
-	int height = 0;
-
-	// stdscr is screen created by initscr()
-	getmaxyx(stdscr, height, width);
-
 	// framerate of the game 
 	const int FRAME_RATE = 30;
 	const float FRAME_TIME = 1.f/(float)FRAME_RATE;
 
-	Grid grid;
+	//initGame();
-	initGrid(&grid, width, height);
-	randomizeGrid(&grid);
-
 
 	float t = 0;
 	while (isRunning()) {
@@ -59,14 +45,9 @@ int main()
 
 		handleInput(ch);
 
-		// draw grid
+		//drawGame();
-		drawGrid(&grid);
-		// draw overlays
-		showLastPressed(ch);
-		showCurPos();
 		
-		refresh();
+		//updateGame();
-		if (true) updateGrid(&grid);
 
 		usleep(pow(10,6)*(FRAME_TIME-t));
 		float t = (float) (clock()-start_t) / (float) CLOCKS_PER_SEC;
@@ -77,12 +58,3 @@ int main()
 	return 0;
 }
 
-void showLastPressed(char ch)
-{
-	static char lastc = ' ';
-	if (ch != -1) lastc = ch;
-	attron(COLOR_PAIR(2));
-	mvprintw(0, 0, "Last Pressed: %c", lastc);
-	attroff(COLOR_PAIR(2));
-}
-

makefile

@@ -2,3 +2,4 @@ LDFLAGS=-lncurses
 
 main: *.c
 	gcc *.c -o main ${LDFLAGS}
+

vect.c

@@ -12,3 +12,4 @@ void moveVect2f(Vect2f* vect, float x, float y)
 	vect->x += x;
 	vect->y += y;
 }
+

vect.h

@@ -14,3 +14,4 @@ void moveVect2i(Vect2i* vect, int x, int y);
 void moveVect2f(Vect2f* vect, float x, float y);
 
 #endif
+