added speed upgrade

sketches/snake.js

@@ -4,15 +4,18 @@ let alive = true;
 let snakeDirection = 0;
 let AItype = "random";
 let gridSize = 20;
-let gridColumns = 20;
+let gridColumns = 10;
-let gridRows = 20;
+let gridRows = 10;
 let eatenApples = 0;
 let _textSize = 32;
 let appleAmount = 1;
+let gameSpeed = 10;
 let buttonAddColoums = null;
 let buttonAddRows = null;
 let buttonUpgradeAI = null;
 let buttonAddMoreApples = null;
+let buttonSpeedUpgrade = null;
+let SpeedUpgradePrice = 5;
 let AddMoreApplesPrice = 1;
 let AddColoumsPrice = 1;
 let AddRowsPrice = 1;
@@ -23,6 +26,7 @@ function setup() {
 	buttonAddRows = createButton("Add rows");
 	buttonUpgradeAI = createButton("Upgrade AI");
 	buttonAddMoreApples = createButton("Add more apples");
+	buttonSpeedUpgrade = createButton("Increase speed");
 	createCanvas(windowWidth, windowHeight);
 	background(255, 255, 255);
 	for (let i = 0; i < gridColumns; i++) {
@@ -35,10 +39,28 @@ function setup() {
 	buttonAddRows.mousePressed(buttonAddRowsPressed);
 	buttonUpgradeAI.mousePressed(buttonUpgradeAIPressed);
 	buttonAddMoreApples.mousePressed(buttonAddMoreApplesPressed);
+	buttonSpeedUpgrade.mousePressed(buttonSpeedUpgradePressed);
+	frameRate(gameSpeed);
 	summonSnake();
 	summonApple();
 	drawGrid();
 }
+
+function buttonSpeedUpgradePressed(){
+
+	if (eatenApples < SpeedUpgradePrice) {
+		return;
+	}
+
+	eatenApples -= SpeedUpgradePrice;
+
+	gameSpeed += 2;
+
+	frameRate(gameSpeed);
+
+	SpeedUpgradePrice += 5;
+}
+
 function buttonAddColoumsPressed(){
 	if (eatenApples < AddColoumsPrice) {
 		return;
@@ -78,8 +100,8 @@ function buttonAddMoreApplesPressed(){
 }
 
 function summonApple(){
-	let x = grid.length - floor(random(1, grid.length));
+	let x = grid.length - floor(random(1, grid.length +1));
-	let y = grid[0].length - floor(random(1, grid[0].length));
+	let y = grid[0].length - floor(random(1, grid[0].length +1));
 	if(grid[x][y] == 2 || grid[x][y] == 1){
 		summonApple();//best practice coding right here
 		return;
@@ -215,13 +237,13 @@ function drawGrid() {
 }
 
 function draw() {
-	background(255);
 
 	if (alive == false){
 		restartGame();
-		return;
 	}
 
+	background(255);
+
 	runSnake();
 	drawGrid();
 
@@ -229,6 +251,7 @@ function draw() {
 	textSize(_textSize);
 
 	text("₴ " + eatenApples, gridColumns * gridSize + gridSize + _textSize*3, _textSize * 1);
+
 	text("Apples: " + appleAmount, gridColumns * gridSize + gridSize, _textSize * 2);
 
 	buttonAddMoreApples.html("Add more apples ₴ " + AddMoreApplesPrice);
@@ -248,6 +271,11 @@ function draw() {
 
 	buttonAddRows.html("Add rows ₴ " + AddRowsPrice);
 	buttonAddRows.position(gridColumns * gridSize + gridSize + _textSize*6, _textSize * 4.5);
+
+	text("Speed: " + gameSpeed, gridColumns * gridSize + gridSize, _textSize * 6);
+
+	buttonSpeedUpgrade.html("Increase speed ₴ " + SpeedUpgradePrice);
+	buttonSpeedUpgrade.position(gridColumns * gridSize + gridSize + _textSize*6, _textSize * 5.5);
 }
 
 function mousePressed() {