The average starting alpha value for a particle.
- iOS 7.0+
- macOS 10.9+
- tvOS 9.0+
- watchOS 3.0+
The particle alpha value is equivalent to the
alpha property of the
SKNode class. The alpha component of the color that results from the texture and color blending state is multiplied by a particle’s alpha value. The resulting particle color is then blended with the parent’s framebuffer. The default value is