Added Clockwise Spiral Pattern printing animation program

Array/spiral star snake pattern animation.cpp

@@ -0,0 +1,106 @@
+#include <iostream>
+#include <string.h>
+#include <windows.h>
+
+using namespace std;
+
+// Rotates the direct of movement to right
+void rotateRight(int &x, int &y)
+{
+	if (x == 1)
+	{
+		x = 0;
+		y = 1;
+	}
+	else if (y == 1)
+	{
+		x = -1;
+		y = 0;
+	}
+	else if (x == -1)
+	{
+		x = 0;
+		y = -1;
+	}
+	else
+	{
+		x = 1;
+		y = 0;
+	}
+}
+
+int main()
+{
+	int rows, columns;
+	cout << "Enter the number of Rows and Columns: ";
+	cin >> rows >> columns;
+	rows++;
+	columns++;
+
+	bool spiral[rows + 2][columns + 2];
+	memset(spiral, false, sizeof spiral);
+
+	// Making the boundaries
+	for (int i = 0; i < rows + 2; i++)
+		spiral[i][0] = spiral[i][columns + 1] = true;
+	for (int i = 0; i < columns + 2; i++)
+		spiral[0][i] = spiral[rows + 1][i] = true;
+
+	int x = 1, y = 1, dirX = 1, dirY = 0, lastVertex = 0;
+	while (true)
+	{
+		spiral[y][x] = true;
+
+		// Printing the current state of the matrix
+		system("cls");
+		for (int i = 1; i <= rows; i++)
+		{
+			for (int j = 1; j <= columns; j++)
+				if (spiral[i][j])
+					cout << '*';
+				else
+					cout << ' ';
+			cout << '\n';
+		}
+		cout << '\n';
+		Sleep(10); // Adjustment for the speed of animation
+
+		if (spiral[y + 2 * dirY][x + 2 * dirX])
+		{
+			if (lastVertex < 2)
+				break;
+			rotateRight(dirX, dirY);
+			lastVertex = 0;
+			if (spiral[y + 2 * dirY][x + 2 * dirX])
+				break;
+		}
+		else
+		{
+			x += dirX;
+			y += dirY;
+			lastVertex++;
+		}
+	}
+	cout << "\n\n\n";
+	system("pause");
+	return 0;
+}
+
+/*
+
+INPUT: 11 20
+
+OUTPUT:
+********************
+                   *
+ ***************** *
+ *               * *
+ * ************* * *
+ * *           * * *
+ * * *********** * *
+ * *             * *
+ * *************** *
+ *                 *
+ *******************
+
+*/