glow_effects 0.2.0

GPU-native visual effects for Flutter — Fragment Shaders, CustomPainter & Explicit Animations. 11 shader effects, 4 painters, text effects, page transitions & more.

0.2.0

New

• RadarEffect — GPU shader-based radar/sonar pulse with expanding rings, radial gradient, center pulse, and vignette
• RadarEffectConfig — fully customizable config with 5 presets: green, classic, blue, dark, red
• RadarScreen — full-screen radar with center icon, label, circular results overlay, and bottom action
• RadarShaderPainter — shader-based CustomPainter for the radar effect
• Results overlay — show custom Flutter widgets in a circle around center with staggered animation
• Cloudy noise background — noiseAmount + bgColor3 for organic color patches

Changed

• Example app split into separate files (shared/, tabs/, demos/)

0.1.0

Initial release.

Shader Effects

• GlitchEffect — block displacement, RGB split, scanlines, flicker
• AuroraEffect — northern lights with HSL color cycling
• DissolveEffect — noise-based dissolve with spark edges
• LiquidEffect — organic flowing color waves
• ChromaticAberrationEffect — RGB channel split with radial falloff
• PixelateEffect — mosaic pixelation with color quantization
• VHSEffect — scanlines, noise, tracking errors, vignette
• HeatWaveEffect — rising sine distortion
• NeonGlowEffect — bloom glow with flicker
• HolographicEffect — rainbow iridescence with fresnel and sparkle

CustomPainter Effects

• MagneticParticlesPainter — spring-physics particles with pointer attraction
• MorphShapePainter — path-to-path morph via point interpolation
• ConstellationPainter — connected star network with pointer interaction
• LightningPainter — midpoint-displacement bolt with branches and glow

Text Effects

• GKTextEffect with 4 types: typewriterGlow, neonFlicker, glitchReveal, dissolveIn

Page Transitions

• GKPageRoute with 4 types: warp, ripple, glitch, fade

Core

• GKController — AnimationController with time, intensity, pointer tracking
• GKWidget — effect host with triggers (auto, onTap, onHover, manual)
• GKShaderLoader — async shader loading with cache
• GKEffectComposer — multi-effect stacking with blend modes
• GKAnimationPresets — cyberpunk, dreamy, retro, minimal
• GKPerformanceManager — FPS-based quality adjustment
• GKManagedWidget — auto-adjusting intensity wrapper
• GKDebugOverlay — real-time FPS counter

Accessibility

• All effects respect MediaQuery.disableAnimations