Instance Property

particleAlphaRange

The range of allowed random values for a particle’s starting alpha value.

Declaration

@property(nonatomic) CGFloat particleAlphaRange;

Discussion

The default value is 0.0. If non-zero, the initial alpha value of each particle is randomly determined and may vary by plus or minus half of the range value.

See Also

Blending Particles with the Framebuffer

particleBlendMode

The blending mode used to blend particles into the framebuffer.

particleAlphaSequence

The sequence used to specify the alpha value of a particle over its lifetime.

particleAlpha

The average starting alpha value for a particle.

particleAlphaSpeed

The rate at which the alpha value of a particle changes per second.