⚡ Unreal Engine Blueprint Reference
Comprehensive blueprint solutions with collapsible code viewers and usage instructions
🪙 Coin Pickup System
The complete coin interaction blueprint with healing effects, visual feedback, and cleanup logic.
Player Interaction
VFX Integration
Sound Design
How to Use This Blueprint:
- Create a new Blueprint Class: Choose "Actor" as parent class
- Add Components:
- Static Mesh Component (for coin visual)
- Sphere Collision (set to "Trigger")
- Paste the Code:
- Open the Event Graph
- Create an "Event BeginPlay" node
- Paste the copied code structure
- Connect nodes as shown in the comments
- Configure Assets:
- Assign your coin mesh to Static Mesh Component
- Add sound cues and particle effects to the project
- Set up player character reference
// COIN PICKUP BLUEPRINT IMPLEMENTATION
// =================================
/* BEGINPLAY EVENT */
Get Player Character → Cast to ThirdPersonCharacter → Store in PlayerRef
/* ONCOMPONENTBEGINOVERLAP */
Check if OtherActor == PlayerRef
→ If True:
→ Call "CoinMaths" with CoinType
→ Call "RemoveHandler"
// COINMATHS CUSTOM EVENT
Switch on CoinType:
Case HealingCoin:
Get Current Health → Add 5 → Set Current Health
Case DamageCoin: ... // Additional cases
// REMOVEHANDLER CUSTOM EVENT
Play Sound (CoinPickup)
Spawn Particle System at Location
Destroy Actor
🎵 Random Level Music
Level blueprint solution for playing random background music on load.
Audio System
Randomization
Performance Optimized
How to Use This Blueprint:
- Open Level Blueprint: Found in the top menu bar under "Blueprints"
- Create Custom Event:
- Right-click → "Add Custom Event"
- Name it "PlayRandomSong"
- Paste the Code:
- Create an "Event BeginPlay" node
- Drag from output to "Call PlayRandomSong"
- Paste the copied code structure
- Add Audio Assets:
- Create an array variable (type: Sound Wave)
- Add your music tracks to the array
- Adjust volume multiplier as needed
// RANDOM LEVEL MUSIC IMPLEMENTATION
// ================================
/* BEGINPLAY EVENT */
Call "PlayRandomSong"
// PLAYRANDOMSONG CUSTOM EVENT
Create Array of Sound Assets → Add multiple tracks
Get Random Index → Get Array Element at Index
Play Sound 2D with selected track
Set Volume Multiplier to 0.7
/* EXPANSION OPTIONS:
// For looping music:
// Create Timer → Call PlayRandomSong again after delay
// For crossfading:
// Use Audio Components instead of Play Sound 2D