UIDraw - Complete UI Drawing System for Unity Canvas Professional drawing toolkit with pen, fill, eraser tools, undo system, and multi-input support for creating interactive drawing applications.Transform your Unity project into a powerful drawing application with UIDraw - a comprehensive UI-based drawing system that seamlessly integrates with Unity's Canvas.UIDraw provides everything you need to create professional drawing applications, digital art tools, signature capture systems, annotation interfaces, and interactive whiteboards. Built specifically for Unity's UI system, it offers smooth drawing performance with full customization options.Perfect for:Drawing and painting applicationsEducational games with drawing mechanicsDigital signature captureDocument annotation toolsInteractive whiteboards and collaboration appsChildren's creative gamesMind mapping and brainstorming toolsGame mechanics requiring drawing inputKey HighlightsZero Setup Time: Just add to RawImage and start drawingMulti-Platform: Works on desktop, mobile, and tablet devicesProfessional Quality: Production-ready with optimized performanceFully Customizable: Extensive API for custom implementationsComplete Documentation: Detailed guides and code examples includedThe system is designed for both beginners and advanced developers, offering simple drag-and-drop functionality while providing extensive customization options for complex implementations. Core Drawing FeaturesPen Brush: Smooth line drawing with adjustable width (1-50px) and full RGBA color supportFill Tool: Intelligent flood fill algorithm for quick area coloringEraser: Clean erasing with customizable width and transparency supportMulti-Level Undo: Configurable undo system with up to 50 steps of history Advanced Input SupportMouse Input: Precise desktop drawing with drag detectionTouch Support: Multi-touch ready for mobile and tablet devicesStylus Integration: Full stylus/pen support with pressure detection via Unity Input SystemEvent-Driven Architecture: Clean callback system for custom input handling UI IntegrationCanvas-Based: Native Unity UI integration with RawImage componentResponsive Design: Automatic scaling across different screen resolutionsEventSystem Compatible: Works seamlessly with Unity's UI event systemMultiple Render Modes: Supports Screen Space Overlay, Camera, and World Space Customization & PerformanceTexture Settings: Configurable resolution (512x512 to 4096x4096)Memory Optimization: Efficient Color32 array handling for smooth performanceMobile Optimized: Tested performance settings for mobile deploymentModular Architecture: Separate systems for brushes, input, and undo functionality Developer ToolsComplete API: 20+ public methods for full programmatic controlRuntime Texture Access: Save/load drawings as PNG filesDebug Mode: Built-in debugging tools for coordinate trackingExample Scripts: Color palette, multi-canvas, and save/load implementations Platform SupportUnity Version: 2021.3 LTS or higherAll Platforms: Windows, Mac, Linux, iOS, Android, WebGLScripting Backend: Both Mono and IL2CPP compatible.NET Framework: 4.7.1 support included Easy Integration2-Minute Setup: Simple component attachment processNo External Dependencies: Uses only Unity built-in packagesClean Namespace: Organized under UIDraw namespaceProduction Ready: Thoroughly tested and optimized codeFeatures Pen Drawing Tool - Smooth line drawing with customizable width and color Fill/Bucket Tool - Intelligent flood fill for quick area coloring Eraser Tool - Clean erasing with adjustable size Multi-Level Undo - Up to 50 configurable undo steps Mouse Support - Desktop drawing with precise control Touch Support - Mobile and tablet touch drawing Stylus Support - Pressure-sensitive pen input Canvas Integration - Native Unity UI RawImage component Custom Colors - Full RGBA color support with transparency Texture Export - Save drawings as PNG files Runtime API - Complete programmatic control Mobile Optimized - Performance tuned for mobile devices Source Code - Full C# source included Cross-Platform - All Unity supported platformsSupported OS Windows (Desktop/Tablet) macOS (Desktop/Touch) Linux (Desktop) iOS (iPhone/iPad) Android (Phone/Tablet) WebGL (Browser)Parts of the content in this package were created with the assistance of AI tools, specifically GitHub Copilot and Claude.Documentation Creation: AI assisted in generating the README.md file, ensuring structured formatting and complete feature coverage.Code Documentation: AI helped produce XML documentation comments throughout the codebase to improve clarity and IntelliSense support.Example Code Generation: AI was used to assist in creating example snippets and integration patterns shown in the documentation.Content Optimization: AI tools were used to refine and edit technical descriptions for clarity and consistency.All AI-assisted content was reviewed, verified, and edited manually before release.
