glowIntensity property
Interactive glow intensity for button press feedback (Skia/Web only).
Range: 0.0 (no glow) to 1.0 (full glow)
On Impeller, use GlassGlow widget instead. This parameter is ignored. On Skia/Web, this controls shader-based glow effect.
Defaults to 0.0.
Implementation
final double glowIntensity;