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How to create smooth size animations for interactive buttons

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AP

AnimationPro_Jake

Posted on May 27, 2021 • Intermediate

✨ Smooth Button Animation Challenge

I’m working on making my buttons more professional-looking with smooth size animations. Here’s what I have so far:

Current Code:
when green flag clicked
forever
  if touching mouse pointer?
    change size by ((120 - size) / 3)
  else
    change size by ((100 - size) / 3)
  end

The animation works, but I want to make it even smoother and more responsive. Also, how can I make the button actually clickable with proper feedback? 🤔

UI

UIDesign_Master

Replied 6 minutes later • ⭐ Best Answer

Great start @AnimationPro_Jake! Let me show you how to create professional-grade button animations with multiple improvement techniques:

🎯 Understanding Animation Smoothness

The key to smooth animations is understanding easing functions and proper state management:

flowchart TD A[🖱️ Mouse Interaction] --> B{Mouse State?} B -->|Hover| C[🎯 Set Target: 120%] B -->|Normal| D[📏 Set Target: 100%] B -->|Clicked| E[⚡ Set Target: 110%] C --> F[📊 Calculate Easing] D --> F E --> F F --> G[🔄 Apply Size Change] G --> H[✨ Smooth Animation] H --> I{Target Reached?} I -->|No| J[⏱️ Continue Animation] I -->|Yes| K[🎉 Animation Complete] J --> A K --> A style A fill:#e1f5fe style H fill:#e8f5e8 style K fill:#fff3e0

✨ Solution 1: Advanced Smooth Animation

Here’s a much smoother version with better easing:

    // Initialize variables
when flag clicked
set [target size v] to [100]
set [animation speed v] to [0.15] // Lower = smoother but slower
set [button state v] to [normal]
set size to [100] %

forever
// Check mouse interaction
if <touching [mouse-pointer v] ?> then
if <mouse down?> then
set [button state v] to [clicked]
set [target size v] to [110] // Slight press effect
else
set [button state v] to [hover]
set [target size v] to [120] // Hover effect
end
else
set [button state v] to [normal]
set [target size v] to [100] // Normal size
end

// Smooth animation with easing
set [size difference v] to ((target size) - (size))
change size by ((size difference) * (animation speed))

// Optional: Add slight bounce effect
if <([abs v] of (size difference)) < [0.5]> then
set size to (target size) % // Snap to target when very close
end
end

🎨 Solution 2: Multi-State Button System

Create a complete button system with different states:

    // Advanced button with multiple states
when flag clicked
set [normal size v] to [100]
set [hover size v] to [120]
set [click size v] to [110]
set [disabled size v] to [90]

set [button enabled v] to [true]
set [click cooldown v] to [0]

forever
// Handle cooldown
if <(click cooldown) > [0]> then
change [click cooldown v] by [-1]
end

// Determine target size based on state
if <(button enabled) = [true]> then
if <touching [mouse-pointer v] ?> then
if <<mouse down?> and <(click cooldown) = [0]>> then
set [target size v] to (click size)
// Handle click action here
broadcast [button clicked v]
set [click cooldown v] to [10] // Prevent rapid clicking
else
set [target size v] to (hover size)
end
else
set [target size v] to (normal size)
end
else
set [target size v] to (disabled size)
end

// Ultra-smooth animation with custom easing
animate to target size
end

// Custom block: animate to target size
define animate to target size
set [difference v] to ((target size) - (size))
set [easing factor v] to [0.2] // Adjust for different feel

// Apply easing curve (ease-out)
set [eased change v] to ((difference) * (easing factor))
change size by (eased change)

// Snap to target when very close (prevents infinite tiny movements)
if <([abs v] of (difference)) < [0.1]> then
set size to (target size) %
end

🌈 Solution 3: Advanced Visual Effects

Add color changes and rotation for extra polish:

    // Button with color and rotation effects
when flag clicked
set [base color v] to [50] // Blue
set [hover color v] to [30] // Green
set [click color v] to [10] // Red

forever
// Size animation (from previous solution)
animate to target size

// Color animation
if <(button state) = [normal]> then
set [target color v] to (base color)
else
if <(button state) = [hover]> then
set [target color v] to (hover color)
else
set [target color v] to (click color)
end
end

// Smooth color transition
set [color diff v] to ((target color) - (color [color v] effect))
change [color v] effect by ((color diff) * [0.3])

// Subtle rotation effect on hover
if <(button state) = [hover]> then
turn right ([sin v] of ((timer) * [180])) degrees // Gentle wobble
else
point in direction [90] // Reset rotation
end
end

⚡ Solution 4: Performance-Optimized Version

For games with many buttons, use this optimized approach:

    // Optimized button animation
when flag clicked
set [update needed v] to [true]
set [last mouse state v] to [false]

forever
// Only update when mouse state changes (saves CPU)
set [current mouse state v] to <touching [mouse-pointer v] ?>

if <not <(current mouse state) = (last mouse state)>> then
set [update needed v] to [true]
set [last mouse state v] to (current mouse state)
end

if <(update needed) = [true]> then
// Determine new target
if <(current mouse state) = [true]> then
if <mouse down?> then
set [target size v] to [110]
else
set [target size v] to [120]
end
else
set [target size v] to [100]
end

set [update needed v] to [false]
end

// Always animate towards target
if <not <(size) = (target size)>> then
set [diff v] to ((target size) - (size))
if <([abs v] of (diff)) > [0.5]> then
change size by ((diff) * [0.25])
else
set size to (target size) %
end
end
end

🎮 Solution 5: Complete Interactive Button

Put it all together for a fully functional button:

    // Complete button system
when flag clicked
set [button text v] to [Click Me!]
set [button enabled v] to [true]
set [click count v] to [0]

// Button click handler
when I receive [button clicked v]
if <(button enabled) = [true]> then
change [click count v] by [1]
set [button text v] to (join [Clicked ] (join (click count) [ times!]))

// Visual feedback
set [brightness v] effect to [20]
wait [0.1] seconds
set [brightness v] effect to [0]

// Optional: Disable button temporarily
set [button enabled v] to [false]
wait [0.5] seconds
set [button enabled v] to [true]
end

// Visual state indicator
forever
if <(button enabled) = [true]> then
set [ghost v] effect to [0]
else
set [ghost v] effect to [30] // Semi-transparent when disabled
end
end

These techniques will give you professional-quality button animations that feel responsive and polished! 🎨✨

AP

AnimationPro_Jake

Replied 30 minutes later

@UIDesign_Master This is absolutely amazing! 🤩 The multi-state system is exactly what I needed!

I implemented the advanced version with color changes and it looks so professional now. Quick question: what’s the best animation speed value for mobile games where performance matters?

PM

PerformanceGuru_Sam

Replied 45 minutes later

@AnimationPro_Jake For mobile performance, I recommend:

  • ⚡ Animation speed: 0.3-0.4 (faster but still smooth)
  • 🎯 Update only on state changes (like Solution 4)
  • 📱 Reduce effects on mobile (skip rotation/color on slower devices)
  • ⏱️ Use 30 FPS mode for better battery life
    // Mobile-optimized button
set [is mobile v] to <(username) contains [mobile]> // Detect mobile

if <(is mobile) = [true]> then
set [animation speed v] to [0.4] // Faster
set [use effects v] to [false] // No color/rotation
else
set [animation speed v] to [0.15] // Smoother
set [use effects v] to [true] // Full effects
end

This keeps your buttons responsive on all devices! 📱✨

UX

UXDesigner_Maya

Replied 1 hour later

Don’t forget about accessibility! Here are some UX improvements:

    // Accessible button design
when flag clicked
set [button label v] to [Play Game] // Clear, descriptive text
set [min button size v] to [44] // Minimum 44px for touch targets
set [high contrast mode v] to [false] // For accessibility

// Check for accessibility needs
if <key [a v] pressed?> then // Toggle high contrast
set [high contrast mode v] to <not (high contrast mode)>
end

if <(high contrast mode) = [true]> then
set [color v] effect to [0] // Remove color effects
set [brightness v] effect to [25] // Higher contrast
else
// Normal color effects
end

Good UI design considers all users! 🌟

VB

Vibelf_Community

Pinned Message • Moderator

🎨 Master Professional UI/UX Design

Excellent discussion on smooth animations and user interface design! For developers looking to create polished, professional applications, our design experts can help with:

  • ✨ Advanced animation techniques and easing functions
  • 🎯 User experience optimization and accessibility
  • 📱 Responsive design for multiple screen sizes
  • 🎮 Game UI/UX best practices and patterns

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