orb

【设计与创意】[WHAT] Build animated SwiftUI orbs — Siri-style mesh gradients, particle spheres, and AI assistant visualizers. [HOW] 7 compositing techniques (MeshGradient, Canvas particles, Metal shaders, layer rotation, angular glow, hue-shift, animated masks) with code patterns and performance rules. [WHEN] Use when building or modifying animated orb UIs, voice …

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