Added app.js to this repository

apps/multidice/app.js

@@ -0,0 +1,169 @@
+var menu = true;
+var diceOpts = {amount: 2, selected: 5}; // TODO: grab values from settings
+const DICE_ARRAY = [4, 6, 8, 10, 12, 20, 100]; // TODO: place in settings
+
+function drawMenu() {
+	
+	g.clear();
+	g.setFont ("6x8", 2);
+	
+	g.drawString ("# of dice:", 5, 5);
+	g.drawString (diceOpts.amount, 137, 5); 
+	
+	g.drawString ("dice:", 5, 32);
+	g.drawString (DICE_ARRAY [diceOpts.selected], 137, 32); 
+}
+
+function touchHandler (button, xy) {
+	
+	if (menu) {
+		
+		if (xy.y <= 26) { // selecting number of dice
+			
+			if (xy.x <= 87) { // left edge: decrease
+				
+				if (diceOpts.amount > 1)
+					diceOpts.amount--;
+			} else { // right edge: increase
+				
+				if (diceOpts.amount < 6)
+					diceOpts.amount++;
+			}
+			
+			drawMenu();
+		} else if (xy.y <= 53) { // selecting dice type
+			
+			if (xy.x <= 87) { // left edge: decrease
+				
+				if (diceOpts.selected > 0)
+					diceOpts.selected--;
+			} else { // right edge: increase
+				
+				if (diceOpts.selected < DICE_ARRAY.length - 1)
+					diceOpts.selected++;
+			}
+			
+			drawMenu();
+		} else {
+			
+			rollDice();
+		}
+	} else { // return to menu screen
+		
+		menu = true;
+		drawMenu ();
+	}
+}
+
+function rollDice() {
+	
+	menu = false;
+	if (diceOpts.amount == 1) {
+		
+		let output = random (DICE_ARRAY [diceOpts.selected]);
+		
+		g.clear();
+		g.setFont ("Vector", 90);
+		
+		g.drawString (("   " + output).slice (-3), 10, 0);
+	} else {
+		
+		let output = new Int8Array ([-1, -1, -1, -1, -1, -1]);
+		for (let i = 0; i < diceOpts.amount; i++) {
+			
+			output [i] = random (DICE_ARRAY [diceOpts.selected]);
+		}
+		
+		g.clear();
+		g.setFont ("Vector", 40);
+		
+		for (let i = 0; i < 3; i++) { // draws all the numbers in two rows
+			
+			if (output [i * 2 + 0] == -1) {
+				
+				break;
+			} else if (output [i * 2 + 1] == -1) {
+				
+				
+				g.drawString (("   " + output [i * 2]).slice (-3), 5, 5 + i * 40);
+			} else {
+				
+				g.drawString (("   " + output [i * 2]).slice (-3) + " " + ("   " + output [i * 2 + 1]).slice (-3), 5, 5 + i * 40);
+			}
+		}
+		
+		g.setFont ("Vector", 20);
+		g.drawString ("H: " + ("   " + max (output)).slice (-3), 5, 130);
+		g.drawString ("L: " + ("   " + min (output)).slice (-3), 110, 130);
+		g.drawString ("T: " + ("   " + total (output)).slice (-3), 5, 150);
+		g.drawString ("A: " + ("   " + average (output)).slice (-3), 110, 150);
+	}
+}
+
+function random (max) { // number is always between 1 and max
+	
+	return Math.round (Math.random() * (max - 1) + 1);
+}
+
+function max (array) {
+	
+	let max = 0;
+	for (let i = 0; i < 6; i++) {
+		
+		if (array [i] == -1)
+			break;
+		
+		if (array [i] > max)
+			max = array [i];
+	}
+	
+	return max;
+}
+
+function min (array) {
+	
+	let min = array [0];
+	for (let i = 1; i < 6; i++) {
+		
+		if (array [i] == -1)
+			break;
+		
+		if (array [i] < min)
+			min = array [i];
+	}
+	
+	return min;
+}
+
+function total (array) {
+	
+	let total = 0;
+	for (let i = 0; i < 6; i++) {
+		
+		if (array [i] == -1)
+			break;
+		
+		total += array [i];
+	}
+	
+	return total;
+}
+
+function average (array) {
+	
+	let average = 0;
+	let rounds = 0;
+	for (let i = 0; i < 6; i++) {
+		
+		if (array [i] == -1)
+			break;
+		
+		average += array [i];
+		rounds++;
+	}
+	
+	return Math.round (average / rounds);
+}
+
+drawMenu();
+Bangle.on ('touch', touchHandler);