Shader controlled

Visitors :

Enable : toggle if you want to control the particle emission with a shader. This mode is relevant only if the source parameter is set to surface
Color threshold : the particles emission is controlled by the color channel brightness. 100% means white, 0% means black. If the surface facet brightness if below this threshold, no particle is emitted
Amplifier : the particles emission rate is controlled by the shader color channel brightness. This parameter is used to amplify the rate
Shader : click on this button to choose the shader that will be used to control the particles emission

PyCloid generator and modifier parameters