A screenshot of one scene:
Project Group Members:
- Jeff Anga (jtanga@mun.ca)
- Brendon Thorne (bwthorne@mun.ca)
- Nathan French (ncfrench@mun.ca)
- Ze Liu (zliu17@mun.ca)
Project Videos:
- Project Demo: https://youtu.be/QWvbpDs62NA
- Project Trailer: https://youtu.be/1R76jH93YJs
- Project Presentation: https://youtu.be/Q2U36JSGDZo
Asset Credits:
- Most assets were found on royalty free 2D game asset websites
- https://opengameart.org/
- https://craftpix.net/freebies/
- https://www.kenney.nl/assets?q=2d
- http://ninslash.com/5-simple-fragment-shaders-for-2d-games-glsl/ (shaders)
Project Setup / Installation:
- Clone the main branch to a folder on your machine locally
- Change directories into /bin and then the SFMLGame.exe executable can be run
- All level files, BossFight.txt, and save.txt (when game automatically saves) plus all games assets and assets.txt need to be in the same directory as SFMLGame.exe to run
- Or change directories into the visualstudio folder and run the .sln file to open in visual studio and compile
GAME CONTROLS
- W - Jump
- S - Flip gravity direction
- A/D - Move left/right
- I - Open inventory
- When inventory is opened, A/D to move left/right between inventory items, W to use selected inventory item
- O - Open option menu from in game
- ESC - Exits/quits
Game Name: Planet Hopper Genre: 2D Platformer Overall Theme: Sci-Fi/Space Main Gameplay Style: Player has to navigate linear levels using platforming techniques while fighting different alien enemies Overworld: Player controls a spaceship and they can fly to different planets on the screen which represent the different levels
• Player sprite and platforms/tiles that make up the level
• Bullet collisions between player bullets and enemy
• Bullet collisions between enemy bullets and player
• Bullet collisions between tiles/platforms, some tiles can be broken
• Player can collide with collectable items and pick up those items
• Player can collide with hazardous tiles that harm the player Bullets / Weapons:
• Weapons: ray gun / gravity bomb / space blaster
• Ray gun bullets: A colorful projectile
• Gravity bomb: A throwable projectile
• Space blaster: A missile shaped projectile NPCs
• NPCs will be enemies that are different alien sprites
• The aliens will shoot at the player / patrol different areas of the map / battle with the player Moving Tiles
• Different platforms/tiles will move around the map in specific patterns (Might add elevators in certain areas of the map) HP / Damage
• Enemies will have health bar that appears above them only when they take damage, and decreases with the more damage they take
• The player will have a health bar located on the screen that can be viewed at all times Status Effects
• Player will always be able to flip their gravity but there will be a status effect to remove that ability temporarily in certain situations
• Collectable shield that lasts for a limited amount of time
• Collectable item to increase player damage for a limited amount of time Objects / Inventory
• Inventory can be opened and will display player’s items they have picked up
• Health packs, Damage consumable, Shield consumable, Movement speed consumable Ray Casting
• Certain enemies won’t react to player until they can see player using ray casting Lighting Effects
• Dark level with some kind of spherical light that encompasses the player while they progress through that level
• Might use ray casting for lighting effects Gravity / Acceleration
• Gravity will accelerate player in the direction of their choice (player can flip gravity to accelerate them down or accelerate them up) Camera / World View
• Camera view centered on player following player through the level
• Minimap of the level Pathfinding / Steering
• A* algorithm for pathfinding
• Smooth movement using steering (smoothly turn in new directions without snapping) Game Progression
• Second level unlocks after completing first level and so on Save/Load Game
• Game data will be written to a text file upon saving in a way that can be read back when loading so that the game continues where it was left off
• Whenever player/enemy is hit with a bullet the sprite will be tinted red temporarily to indicate they have been hit
• Different levels will have different background layers and the background layers will scroll across the screen at a slower rate than the foreground to create the illusion of depth
• Player health bar / NPC health bars
• Timer for status effects
• Game progression bar (How close the player is to the end of the level)
• Option menu that can be opened
• Selectable weapons
• Different sounds for different weapons
• Sound cue when taking damage / sound cue when hitting an enemy
• Sounds for status effects
• Sounds for killing enemies
• Background music
• Picking up items
• Movement sound effects
• Sounds for clicking on menu buttons
• Sounds for destroying/hitting tiles
• Sound for completing level
• Adjustable volumes for music/sound effects
• Game difficulty o Easy (deal 2x damage, 2x max health) o Normal (deal 1x damage, 1x max health) o Hard (deal 0.5x damage, 0.5x max health) • Rebind movement keys/inventory key
• Ability to flip gravity directions
• Sliding on walls / wall jump
• Chain reaction when breaking blocks (Certain blocks cause other blocks to break when they are broken)