state machine node reference

Updated Jun 21, 2026 3 min read

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State machine evaluation: layer advance, pose blending (linear, masked, weighted), object pose evaluation, and blend space nodes.

Category key state-machineGenerated public nodes 8Registry source faster-motion-docs/node-registry.json

Nodes

Node	Type	Context	Description
Blend Direct Eval	`blendDirectEval`	canvas	F266 Phase 3: pure direct-blend evaluator. Wraps evaluateBlendDirectTransforms(). Per-animation weight inputs (weight_<id>) drive sequential blend-on-top. Weights from parameters use normalized scale (value/100, clamped 0..1).
Blend Pose	`blendPose`	canvas	Blend two pose bundles by weight (linear lerp)
Blend Space 1D Eval	`blendSpace1DEval`	canvas	F266 Phase 3: pure 1D blend space evaluator. Wraps evaluateBlend1DTransforms(). Inputs: inputValue (axis parameter), progress. Output: per-object transform map blended between adjacent animations.
Blend Space 2D Eval	`blendSpace2DEval`	canvas	F359 Phase 8: 2D blend space evaluator. Pulls clips from dynamic clip_${animationId} input ports and produces transforms via Delaunay+barycentric (interpolated) or nearest-point (discrete). Grid mode publishes integer frame index on the frameIndex output port.
Masked Blend Pose	`maskedBlendPose`	canvas	Blend two pose bundles with bone mask — unmasked bones pass through from A
Object Blend	`objectBlend`	canvas	Blend two object pose bundles by weight (linear lerp)
Pose Eval	`poseEval`	canvas	Evaluate animation clip bone tracks into a pose bundle (no mutation)
State Machine	`stateMachine`	shared	Author-facing compound for a complete state machine: parameters, layers (states + transitions), listeners, audio bindings, pointer-align targets. Expands at load time into the SM cluster — `smParameterStore` + `layerAdvance` + `stateApply` + `poseEval`/`objectPoseEval`/`blendPose` pose pipeline + `smHitTest` + `listenerAction` + `smAudioAction` + `smCallbackAction` + `smPostAdvance` + `smRandomSource` + `smLifecycle` + `smAutoStart` (~33 primitives for a typical button). Compound: no runtime class. The expansion is loader-internal; authors and AI agents see one node carrying the full SM definition.

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