Notch Notch Manual 0.9.23
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Mesh Emitter

Mesh Emitter

Emit particles from a mesh.

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Method #

This node emits particles from a 3D mesh. The mesh must be connected via the “Object Nodes” input, and can be a 3D Object node, a Shape 3D node, a Text node or a Depth Camera / Kinect Mesh. If no suitable node is connected then no emission will occur. Deforming and animating objects are supported. The node chooses locations on the mesh to emit from in one of several ways depending on the Spawn Mode attribute. The vertices of the mesh can be used directly, or random points spread evenly across the polygon surface or the edges of the mesh can be used.

The mesh emitter can only be used by one material at a time, if you have more than one material you will need to bake the textures together.

The transformation values of this node will be inherited by its children. Furthermore, Affectors, Shading, and Rendering nodes will only be effective to the particles emit by this emitter.

Parameters

These properties control the material the particles use for emission.

ParameterDetails
Spawn ModeControl how the particles spawn, either on vertices or on polygons.
Incidence Angle Emission CoeffsThe angle at which particles are emitted from the 3d object.
Parent Transform WeightHow much the transform of the parent affects the transform of the particles.
Parent Transform Weight Life CoeffsHow much the particles are affected by the parent nodes transforms at different stages of the particles life cycle. Values 2 and 3 are control points, and are used to control the curve between values
Parent Transform RandomnessControls the randomness of the parent transform weight.
Emission VelocityHow much of the motion from the source mesh is transferred to the generated particles. Spawn Mode must be Polygons.
Emission Normal VelocitySpeed at which particles after emission, along the angle of the normal. Spawn Mode must be Polygons.
Use Mesh ColoursToggle whether particles are given colours based on the colour of the mesh.
Bake Texture ColoursToggle whether textures on the materials of the mesh should be applied to particle colours.
Randomise OrderToggle whether particle generation should be done randomly, or in an ordered list through the mesh.
Polys To Emit From AmountControls how many of the polygons on the mesh will emit particles.
Emit Distance From SurfaceDistance from the surface that the particles emit from.
Max Particles Per VertexWhen using the Spawn Mode of Vertices or Vertices Follow Edges, this attribute sets the max number of particles emitted from a vertex that can be in flight at any time

These properties control how the particles are emit from the node, and thier core life properties.

ParameterDetails
Emitter ActiveChange whether the emitter is on or off.
LifeControl how low long each particle exists for.
RandomnessHow much randomness is added in the particles movement.
Life RandomnessControl the randomness for the life of each particle.
Emission RateWhat percentage of the particles are emitted from the emitter per second.
Max Particle CountSet a maximum particle count for the emitter.
Respawn EnabledToggle whether a particle can respawn.
Emitter Sort KeyControls the processing order of the emitter.

Tints the particles colours from the emitter. To enable, add an colour ramp input to this node.

ParameterDetails
Colour Selection ModeChoose how the input colour affects the particles.
  • Input Colour : The first colour input is the only colour output.
  • Selected Single Colour : Uses the colour selection parameter to decide which colour to use.
  • Emission Time : Colour is selected based on time at which the particle is emitted.
  • Random Colour : the colour is selected randomly at the particles creation.
Colour Selection ParametersA number used to select the colour output.

These properties control the material the particles use for emission.

ParameterDetails
ColourRGB colour of particles.
DiffuseControl how much the light is scattered from the surface of the object.
EmissivenessControl how much light is emitted by the particle.
Life Colour Affecter WeightControls how much the result of any Life Colour Shading nodes are blended with the particle’s colour.
Particle ScaleScale the size of the particle.
Dof AmountHow much depth of field effects the particles material.
DensityThe density, for use in some simulations.
TemperatureThe density, for use in some simulations.
Cooling RateThe cooling rate, for thermal dynamics simulations.
Density DecayControl the rate of decay in the density.
Fade In TimeWhat percentage through the particles life span the particle fades in.
Fade Out TimeWhat percentage through the particles life span the particle fades out.

Inputs

NameDescriptionTypical Input
Object NodesERROR: Variable not found: {input-node-particles-object-node-description}ERROR: Variable not found: {input-node-particles-object-node-typical-input}
Mask NodeMask out areas that particles cannot spawn.Image Plane
Colour Control NodesControl the colours of the particles on emission.Colour Ramp
Transform ModifierApply the transforms of another node to this node.Null
Target NodeModifiy the rotations of the node to always direct the z axis towards the input.Null
Local Transform OverrideApply the transforms of another node to this node, relative to its parent.Null

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