first commit

grid.c

@@ -0,0 +1,39 @@
+#include <stdlib.h>
+#include "grid.h"
+
+// maps x, y coordinate to array index of grid
+unsigned int toIndex(Grid* grid, int x, int y)
+{
+	return (grid->width*y + x)%grid->size;
+}
+
+
+void clearGrid(Grid* grid)
+{
+	for (int i = 0; i < grid->size; i++) grid->arr[i]=false;
+}
+
+void initGrid(Grid* grid, unsigned int width, unsigned int height)
+{
+	grid->size = width*height;
+	grid->width = width;
+	grid->arr = (bool*)malloc(sizeof(bool)*grid->size);
+}
+
+void putPixel(Grid* grid, int x, int y)
+{
+	grid->arr[toIndex(grid, x, y)] = true;
+}
+
+void drawGrid(Grid* grid)
+{
+	unsigned int width, height;
+	width = grid->width;
+	height = grid->size/width;
+	for (int y = 0; y < height; y++) {
+		for (int x = 0; x < width; x++) {
+			if (grid->arr[toIndex(grid, x, y)]) mvprintw(y, x, "x");
+			else mvprintw(y, x, " ");
+		}
+	}
+}