Field Position-Based Warp
Warps an image based on the movement vectors of an input field.
Field Position-Based Warp
Method #
This node warps an image based on the movement vectors of an input field. The field movement vectors are used to deform a position lookup grid over time, which is then used to sample the image every frame. This allows animating deformations to be applied to separately animating sources.
The processed texture above has been altered from default to show the kind of effect you can get with this node. By default, no change will be made to the node until you input a field root system.
Parameters
These properties control the core behaviours of the node.
Parameter Details
Active Enables or disables the effect. Disabling the effect means it will no longer compute, so disabling a node when not in use can improve performance.
Blend Amount Changes the opacity of the new effect over the original image.
Blend Mode (RGB) Change how the generated effect blends with the parent image RGB.
Blend Mode (Alpha) Change how the generated effect blends with the parent image alpha.
Simulation Speed Control the speed at which the warp is animated.
Velocity Scale Scales the velocities of the input field.
Displacement Scale Scale the amount the field root effects the image.
Velocity Dampening Dampen the effect of the field root.
Brightness Scales the brightness of the result.
Width Controls the width of the underlying deformation grid. the greater the width of the grid, the more memory intensive the processing is but the sharper the result.
Height Controls the height of the underlying deformation grid. the greater the height of the grid, the more memory intensive the processing is but the sharper the result.
Toggle which of the RGBA channels are affected by the effect.
Inputs
These properties control the core behaviours of the node.
| Parameter | Details |
|---|---|
| Active | Enables or disables the effect. Disabling the effect means it will no longer compute, so disabling a node when not in use can improve performance. |
| Blend Amount | Changes the opacity of the new effect over the original image. |
| Blend Mode (RGB) | Change how the generated effect blends with the parent image RGB. |
| Blend Mode (Alpha) | Change how the generated effect blends with the parent image alpha. |
| Simulation Speed | Control the speed at which the warp is animated. |
| Velocity Scale | Scales the velocities of the input field. |
| Displacement Scale | Scale the amount the field root effects the image. |
| Velocity Dampening | Dampen the effect of the field root. |
| Brightness | Scales the brightness of the result. |
| Width | Controls the width of the underlying deformation grid. the greater the width of the grid, the more memory intensive the processing is but the sharper the result. |
| Height | Controls the height of the underlying deformation grid. the greater the height of the grid, the more memory intensive the processing is but the sharper the result. |
Toggle which of the RGBA channels are affected by the effect.
| Name | Description | Typical Input |
|---|---|---|
| Source Field | Input a field root node to affect the image. | Field Root |
| Active | Enables or disables the effect. Disabling the effect means it will no longer compute, so disabling a node when not in use can improve performance. | Envelope Modifier |