Upit | Learn about creating the game Snowball Santa with gen AI

Play

Snowball Santa

magnus

SnowballSanta

2.2K

9mo

Playit

Help Santa sling snowballs to stop the ninja thieve kids & save Christmas in this frosty arcade hit!

#arcade

#christmas

#action

#snowballfight

#aim

#christmas2023

#ninjas

#santa

#winter

Creation History

User prompt

Fix Bug: 'ReferenceError: speedMultiplier is not defined' in this line: 'particleSplash.speedMultiplier = speedMultiplier;' Line Number: 113

User prompt

Fix Bug: 'ReferenceError: speedMultiplier is not defined' in this line: 'particleSplash.speedMultiplier = speedMultiplier;' Line Number: 112

User prompt

speed of particlesplash should depend on throw speed

User prompt

spawn an array of 10 particlespashes instead of 1

User prompt

Increse the number of particles for faster throws

User prompt

move the particles in random directions from the center

User prompt

show a particle splash effect when a snowball hits its target

User prompt

revert last change

User prompt

when a snowball hit a kid the kid should explode into particles

User prompt

place the progressbar to the right bottom

User prompt

add a progressbar to visualise touchtime

User prompt

allow a maximum of 5 snowballs at a time

Code edit (1 edits merged)

Please save this source code

User prompt

add a variable to control throw speed with a start value of one. The variable should be multipled with speedMultiplier

User prompt

increase throw speed by 5

User prompt

showballs should be thrown faster if time between down event and up event i longer

User prompt

snowballs should be triggered on up event

User prompt

The game is over when a zombie kid reaches the bottom of the screen

User prompt

When a zombiekid is hit, score is increased by one

User prompt

Add a score counter in the top

User prompt

When a snowball hits a zombie kid the user should be a point

User prompt

Throw direction left/right should be reversed

User prompt

The snowballs throw direction should be up, no down

User prompt

When the user taps the screen, throw a snowball that way

User prompt

Make the enemies (zombie kids) approach from the top and move towards santa

var Snowball = Container.expand(function () {
	var self = Container.call(this);
	var snowballGraphics = self.createAsset('snowball', 'Snowball Graphics', .5, .5);
	self.speed = -5;
	self.targetX = 0;
	self.targetY = 0;
	self.speedX = 0;
	self.speedY = 0;
	self.move = function () {
		self.x += self.speedX;
		self.y += self.speedY;
	};
});
var ZombieKid = Container.expand(function () {
	var self = Container.call(this);
	var zombieKidGraphics = self.createAsset('zombieKid', 'Zombie Kid Graphics', .5, .5);
	self.speed = 1;
	self.move = function () {
		self.y += self.speed;
	};
});
var Santa = Container.expand(function () {
	var self = Container.call(this);
	var santaGraphics = self.createAsset('santa', 'Santa Graphics', .5, .5);
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	LK.stageContainer.setBackgroundColor(0x008080);
	var santa = self.addChild(new Santa());
	santa.x = 2048 / 2;
	santa.y = 2732 - santa.height;
	var snowballs = [];
	var zombieKids = [];
	stage.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		var newSnowball = new Snowball();
		newSnowball.x = santa.x;
		newSnowball.y = santa.y;
		newSnowball.targetX = pos.x;
		newSnowball.targetY = pos.y;
		var dx = newSnowball.targetX - newSnowball.x;
		var dy = newSnowball.targetY - newSnowball.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		newSnowball.speedX = -dx / distance * newSnowball.speed;
		newSnowball.speedY = -Math.abs(dy / distance * newSnowball.speed);
		snowballs.push(newSnowball);
		self.addChild(newSnowball);
	});
	LK.on('tick', function () {
		for (var a = snowballs.length - 1; a >= 0; a--) {
			if (snowballs[a]) {
				snowballs[a].move();
				if (snowballs[a].y < -50) {
					snowballs[a].destroy();
					snowballs.splice(a, 1);
				}
			}
		}
		for (var b = zombieKids.length - 1; b >= 0; b--) {
			if (zombieKids[b]) {
				zombieKids[b].move();
			}
			if (zombieKids[b].y > 2732) {
				zombieKids[b].destroy();
				zombieKids.splice(b, 1);
			}
		}
		if (LK.ticks % 60 == 0) {
			var newZombieKid = new ZombieKid();
			newZombieKid.x = Math.random() * (2048 - newZombieKid.width);
			newZombieKid.y = -newZombieKid.height;
			zombieKids.push(newZombieKid);
			self.addChild(newZombieKid);
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -41,9 +41,9 @@
 		newSnowball.targetY = pos.y;
 		var dx = newSnowball.targetX - newSnowball.x;
 		var dy = newSnowball.targetY - newSnowball.y;
 		var distance = Math.sqrt(dx * dx + dy * dy);
-		newSnowball.speedX = dx / distance * newSnowball.speed;
+		newSnowball.speedX = -dx / distance * newSnowball.speed;
 		newSnowball.speedY = -Math.abs(dy / distance * newSnowball.speed);
 		snowballs.push(newSnowball);
 		self.addChild(newSnowball);
 	});

Showing 1351 to 1375 of 1380

1 ...50 51 52 53 54 55 56

Images

a christmas gift Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

red crosshair Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

snowball of soft snow Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

Christmas gift with glowing green wrapping paper Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

a christmas gift in beautiful glowing wrapping paper Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

Christmas gift beautifully wrapped in green glowing wrapping paper Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

Snowy flat surface viewed from above at nighttime Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

an empty painting with a winter styled frame Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

a kid thief in wearing a black hoodie. Also looking like a zombie Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A button with the text "play". Winter theme Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A winter themed button, with no text Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A buy upgrade button, winter theme, no text Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

a wide white sheet of paper Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

a snowball Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A game over screen for the game "Snowball Santa". Santa is very sad because all the presents has been stolen from ninja kids.
Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A wooden sign with text "UPGRADES" in a winter theme.
Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A ninja kid thief, full body, with a dark purple hoodie.
Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A ninja kid thief, full body, with a dark colored hoodie.
Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

a precious colorful glowing gem with snow and ice on it.
Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.

A beautiful winter snowy christmas landscape with ninja thieves kids lurking. Christmas gifts are hidden in the snow.
Single Game Texture. In-Game asset. 2d. Blank background. High contrast. No shadows.