Notch Notch Manual 0.9.23
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Render To Object Surface

Render To Object Surface

Apply the field to the surface of geometry.

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Method #

The field is sampled spatially on to the surfaces of visible 3D objects. This is useful for generating fluid effects onto nearby surfaces, and because its volumetric, the generated effect can be applied to the UV map of the 3D object, and rendered out with the UV Camera.

The Render to Object Surface node should be parented to the Field Root node.

Deferred Rendering must be enabled in the Root node for this to function.

Parameters

These properties control the 3D transforms of the node. Transforms will generally be inherited by child nodes, although they can be ignored through the Inherit Transform Channels attributes.

ParameterDetails
Position XMove along the local x-axis.
Position YMove along the local y-axis.
Position ZMove along the local z-axis.
Rotation HeadingRotate around the local y-axis.
Rotation PitchRotate around the local x-axis.
Rotation BankRotate around the local z-axis.
Scale XScale along the local x-axis.
Scale YScale along the local y-axis.
Scale ZScale along the local z-axis.

Toggle which transform channels should be inherited from the parent node. By default, all transforms will be inherited.

ParameterDetails
Position XToggle inheritance of the X Position from the parent.
Position YToggle inheritance of the Y Position from the parent.
Position ZToggle inheritance of the Z Position from the parent.
Rotation HeadingToggle inheritance of the Rotation Heading from the parent.
Rotation PitchToggle inheritance of the Rotation Pitch from the parent.
Rotation BankToggle inheritance of the Rotation Bank from the parent.
Scale XToggle inheritance of the X Scale from the parent.
Scale YToggle inheritance of the Y Scale from the parent.
Scale ZToggle inheritance of the Z Scale from the parent.
World Position OnlyInherit the world position from the parent only, rotation and scale will be ignored. Overrides above properties.
Inherit TimeToggle inheritance of time from the parent.

These properties control the core behaviours of the node.

ParameterDetails
AlphaChanges the alpha of the field.
BrightnessChanges the brightness of the field.
VisibleControl whether the node is visible or not to the scene.
Sort BiasBiases the alpha sort in order to make it render in front or behind other transparent objects.
Velocity Alpha ScaleThe amount the velocity of the field is scaled when it is used to modulate alpha.
Blend ModeHow the render blends with the objects original material colours. See Blend Modes for details.
  • Solid : The field rendering entirely replcaes the original surfaces colour.
  • Blend : The field rendering blends with the original surfaces colour, using the alpha channel.
  • Additive : The field rendering adds onto the original surfaces colour.
  • Subtractive : The field rendering subtracts from the original surfaces colour.
  • Multiply : The field rendering multiplies with the original surfaces colour.
  • Max : The max value between the field and the original surfaces colour.
  • Min : The min value between the field and the original surfaces colour.
  • Light : The field rendering is blended using the light blend mode with the original surfaces colour.
  • Screen : The field rendering is blended using the screen blend mode with the original surfaces colour.
  • Pre-Mul Blend : The field rendering mis premultiplied before blending with the original surfaces colour. Usually gives the best results for colour blending.
Use Field Alpha ChannelUse the field alpha channel when blending with the original surface.
Velocity To AlphaToggle whether the velocity amount is used to modulate the alpha value, so areas of faster movement are more visible.

Inputs

NameDescriptionTypical Input
Affected Object NodesLimit the field to only affect a connected piece of geometry. With no object connected, the field will affect all surfaces within the field bounding box.3D Object
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