Struct TransformWriteback 

pub struct TransformWriteback { /* private fields */ }

Write buffer for transform changes produced by plugins.

Passed into super::context::RuntimeStepContext so plugins can record transform changes without directly mutating the scene. The runtime flushes all ops to the scene after the Writeback phase.

Implementations

impl TransformWriteback

pub fn set(&mut self, id: NodeId, transform: Affine3A)

Record a new local-space transform for a scene node.

For physics-driven nodes with no parent, local space equals world space. If the same node is written more than once, all ops are kept and applied in order (last write wins after scene propagation). The full transform, including scale embedded in the Affine3A, replaces the node’s current local transform.

pub fn set_preserve_scale(&mut self, id: NodeId, transform: Affine3A)

Record a transform that should preserve the node’s existing scale.

The rotation and translation from transform are applied; the scale component (if any) is ignored and the scene node’s current scale is kept. Use this for physics or animation writebacks: those systems don’t model scale, so they shouldn’t clobber a scale the user set independently (e.g. for visual stretching, ellipsoid bones, or art-time unit conversion).

Trait Implementations

impl Default for TransformWriteback

fn default() -> TransformWriteback

Returns the “default value” for a type.