Unity Engine documentationScript ReferenceUnityEngineParticleSystemShapeTypeCircleEdgeEmit from the edge of a circle.Read time 1 minuteLast updated 12 days agoDefinition Type: Field Namespace: UnityEngine Assembly: UnityEngine.ParticleSystemModule WarningDeprecated. CircleEdge is deprecated and does nothing. Please use ShapeModule.radiusThickness instead, to control edge emission. CircleEdge = 11