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Piano App

✓ Published4🌍 Public
NNita
Last edited Feb 27, 2025
Created on Feb 24, 2025
Forked from Sunset App

An interactive virtual piano with white and black keys generates musical tones through the Web Audio API, allowing play via mouse, touch, or keyboard. The instrument displays a realistic 3D design using CSS gradients and shadows, with visual feedback through CSS transitions on key presses. A built-in demo melody button triggers a pre-programmed scale. The implementation dynamically creates piano keys through DOM manipulation and uses Web Audio API for audio synthesis with gain control, demonstrating front-end techniques for responsive instrument interfaces.

AI-generated description

Interactive Piano

This visualization creates an interactive piano with playable keys:

Features

  • Fully functional virtual piano with white and black keys
  • Interactive keys that can be played with mouse or touch
  • Keyboard support for playing notes (keys A-S-D-F-G-H-J-K-L-; for white keys, W-E-T-Y-U-O-P for black keys)
  • Visual feedback when keys are pressed
  • Built-in demo melody that plays a simple scale
  • Realistic piano design with 3D effects and shadows
  • Audio generated using Web Audio API

Technical Implementation

The visualization demonstrates:

  • DOM manipulation to create piano keys dynamically
  • CSS gradients and shadows for realistic 3D piano key appearance
  • Web Audio API for generating musical tones with proper frequencies
  • Event handling for mouse, touch, and keyboard inputs
  • Visual feedback with CSS transitions
  • Audio synthesis with gain control for natural sound decay
  • Responsive design that works on different screen sizes

The piano provides an interactive musical experience while demonstrating various front-end techniques for creating realistic instrument interfaces.

MIT Licensed

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