Warped

The game is deployed at https://warped.lukaslitvan.cz/.

Description

• Genre: Space Shooter
• Library: PixiJS
• Space: 2D view from the top, player cannot move outside of the screen
• Objects: player (spaceship), enemies, meteorites, power ups
• Actions:
  • moving within the boundaries of the screen
  • shooting and destroying enemies, meteorites
  • picking up lives, laser upgrades, shield
• Rules
  • the goal is to obtain as much score points as possible by destroying enemies/meteorites
  • if player runs out of lives, the game ends
  • player can move with WASD and shoot with left mouse click towards the current mouse position
  • at the start, player has 3 lives and shoots with basic laser
  • player can sometimes get another life, laser upgrades or a shield for 10 seconds from destroyed meteorites
  • the enemies spawn more based on elapsed time

Diagram

How to run

• the project is powered by ParcelJS, TypeScript, PixiJS and ECSLite libraries
• install NodeJS
• execute npm install
• execute npm run dev
• go to localhost:1234 and find the project there

Other scripts

• lint: run npm run lint to see if there are linting errors. They can be fixed by using npm run lint -- --fix
• compilation test: run npm run compile-test to see if there are any TypeScript errors
• deployment: run npm run deploy and find the deployed project in the build folder

Libraries

aph-math

• Math library with functions for pathfinding, perlin noise, steering behavior, etc. Also, it includes structures such as heap, linked-list, and priority queue
• this library is used by the example repo, the link of which you can find on the web

pixi-ecs

• ECSLite library for component architecture. The documentation can be found on the web

ParcelJS and Building process

• parcelJS is a simple bundler that requires minimum configuration (alternative to webpack)

Sources

Images

• Background
• Spaceships
• Lasers
• Meteorites
• Explosion
• Shield

Sounds

• Laser
• Explosion
• Pickup