// Allison Obourn, CSE 142
// Prints a scalable diamond within a square made of ASCII characters.

// NOTE: goals, pseudocode and loop tables should NOT appear in your final program's 
// comments.  They appear here so you can recall what we did in lecture.

public class Mirror {

	public static final int SIZE = 3;

	public static void main (String[] args) {
		drawLine();
		drawTop();
		drawBottom();
		drawLine();
	}
	
	// print #, 16 =, #
	
	// prints a line of equal signs with hashes on the ends
	public static void drawLine() {
		System.out.print("#");
		for (int i = 1; i <= 4 * SIZE; i++) {
			System.out.print("=");
		}
		System.out.println("#");
	}

	// top half:
	// for 4 lines {
	// 	print |, some spaces, <>, some dots, <>, some spaces, |
	// }
	/*
	line	spaces	-2 * line   -2 * line + 6   
	1		4			-2				4
	2		2			-4				2
	3		0			-6				0
	
	size	equation
	3		-2 * line + 6
	4		-2 * line + 8
	SIZE	line * -2 + SIZE * 2
	*/
	
	// draws an isosceles triangle that opens downwards
	public static void drawTop() {
		for (int line = 1; line <= SIZE; line++) {
			System.out.print("|");
			for (int i = 1; i <= -2 * line + 2 * SIZE; i++) {
				System.out.print(" ");
			}
			System.out.print("<>");
			for (int i = 1; i <= 4 * line - 4; i++) {
				System.out.print(".");
			}
			System.out.print("<>");
			for (int i = 1; i <= -2 * line + 2 * SIZE ; i++) {
				System.out.print(" ");
			}
			System.out.println("|");
		} 
	}
	
	// the top and bottom are symmetrical so you can just make the
	// outer loop run backwards
	
	// draws an isosceles triangle that opens upwards
	public static void drawBottom() {
		for (int line = SIZE; line >= 1; line--) {
			System.out.print("|");
			for (int i = 1; i <= -2 * line + SIZE * 2; i++) {
				System.out.print(" ");
			}
			System.out.print("<>");
			for (int i = 1; i <= 4 * line - 4; i++) {
				System.out.print(".");
			}
			System.out.print("<>");
			for (int i = 1; i <= -2 * line + SIZE * 2; i++) {
				System.out.print(" ");
			}
			System.out.println("|");
		} 
	}	 
}