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Fixing critical hit bug in clicker games

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CD

ClickerDev_Pro

Posted on January 23, 2024 • Intermediate

🐛 Critical hit system subtracting instead of adding

Help! I’m working on a clicker game and my critical hit system is completely broken. Instead of giving bonus clicks, it’s actually subtracting clicks from my total! 😭

The weird part is:

  • Normal clicks work fine
  • Critical hits trigger correctly (visual effects show)
  • But somehow the score goes DOWN instead of up
  • Sometimes it even divides the score by itself?

I’ve been staring at this code for hours and can’t figure out what’s wrong. Has anyone seen this before?

DB

DebugMaster_Alex

Replied 3 hours later • ⭐ Best Answer

I’ve seen this exact bug before @ClickerDev_Pro! This is a classic case of conflicting scripts and variable scope issues. Let me walk you through the debugging process:

🔍 Common Critical Hit Bug Patterns

Here’s what usually causes this issue:

flowchart TD A[🖱️ Player Clicks] --> B{Critical Hit?} B -->|No| C[Normal Click Script] B -->|Yes| D[Critical Hit Script] C --> E[✅ Add Normal Points] D --> F[❌ Bug Zone] F --> G{Common Issues} G -->|Issue 1| H[Both Scripts Running] G -->|Issue 2| I[Wrong Variable Used] G -->|Issue 3| J[Math Error] H --> K[Normal: +1<br/>Critical: -2<br/>Result: -1] I --> L[Using Multiplier<br/>Instead of Score] J --> M[Division Instead<br/>of Multiplication] E --> N[✅ Score Increases] K --> O[❌ Score Decreases] L --> O M --> O style A fill:#e1f5fe style E fill:#e8f5e8 style F fill:#ffebee style O fill:#ffcdd2 style N fill:#c8e6c9

🛠️ Step 1: Check for Duplicate Scripts

The most common issue is having both normal and critical scripts running simultaneously:

❌ Problematic Code Pattern:
    when this sprite clicked
if <(pick random (1) to (10)) = [1]> then
// Critical hit code
change [score v] by [10]
broadcast [critical hit v]
else
// Normal click code  
change [score v] by [1]
end

// PROBLEM: Another script also running!
when this sprite clicked
change [score v] by [-1]  // This cancels out the critical!

✅ Step 2: Proper Critical Hit Implementation

Here’s the correct way to implement critical hits:

    when this sprite clicked
set [click value v] to [1]  // Default click value

// Check for critical hit
if <(pick random (1) to (100)) ≤ [10]> then  // 10% crit chance
set [click value v] to [5]  // 5x multiplier
broadcast [critical hit effect v]
play sound [critical sound v]
end

// Apply the click value
change [score v] by (click value)
change [total clicks v] by [1]

🔧 Step 3: Debug Variable Conflicts

Check if you’re accidentally using the wrong variables:

🔍 Variables to Check:
• score vs clicks vs multiplier
• Make sure you’re changing the right variable
• Check if any scripts are resetting variables unexpectedly

🧮 Step 4: Fix Math Operations

Sometimes the issue is using division instead of multiplication:

    // ❌ WRONG - This divides!
change [score v] by ((score) / [2])

// ✅ CORRECT - This multiplies!
change [score v] by ((click value) * [2])

🎯 Step 5: Isolate and Test

Create a simple test to isolate the problem:

    // Test script - put this alone on a sprite
when this sprite clicked
say (join [Score before: ] (score)) for [1] seconds
change [score v] by [10]  // Test with fixed value
say (join [Score after: ] (score)) for [1] seconds

This will help you see exactly what’s happening to your score! 🎯

CD

ClickerDev_Pro

Replied 1 hour later

@DebugMaster_Alex OMG you’re a lifesaver! 🎉

It was exactly what you said - I had TWO scripts running on click! One was adding the critical hit bonus, but another old script was subtracting 1 every time. I completely forgot about that old debugging script I left in there.

Fixed it and now my critical hits work perfectly! Thank you so much! 🚀

GD

GameDev_Sarah

Replied 2 hours later

This is such a common bug! 😅 Here are some pro tips to avoid this in the future:

  • 🧹 Clean up old scripts: Always delete test/debug scripts when done
  • 📝 Use comments: Label your scripts so you remember what they do
  • 🔍 Use the debugger: Watch variables in real-time to catch issues
  • ✅ Test incrementally: Test each feature before adding the next

Happy clicking! 🖱️✨

VB

Vibelf_Community

Pinned Message • Moderator

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