editor › Globals › PreTransformHelper

Class: PreTransformHelper

Hierarchy

• PreTransformHelper

Index

Methods

• alignAssemblyDirections
• alignAssemblyPositions
• alignEdge
• alignPlanarOnSections
• applyRotationAroundEdge
• determinePointToPointMapping
• ensurePlanarObjects

Methods

Static alignAssemblyDirections

▸ alignAssemblyDirections(sourceAssembly: Assembly, targetAssembly: Assembly, assemblyDirectionSource: Vector3, assemblyDirectionTarget: Vector3): void

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:184

Moves sourceAssembly so that the assembly-space direction vectors assemblyDirectionSource and assemblyDirectionTarget align in world space

Parameters:

Name	Type
sourceAssembly	Assembly
targetAssembly	Assembly
assemblyDirectionSource	Vector3
assemblyDirectionTarget	Vector3

Returns: void

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Static alignAssemblyPositions

▸ alignAssemblyPositions(sourceAssembly: Assembly, targetAssembly: Assembly, assemblyPositionSource: Vector3, assemblyPositionTarget: Vector3): void

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:168

Moves sourceAssembly so that the assembly-space points assemblyPositionSource and assemblyPositionTarget align in world space

Parameters:

Name	Type
sourceAssembly	Assembly
targetAssembly	Assembly
assemblyPositionSource	Vector3
assemblyPositionTarget	Vector3

Returns: void

---

Static alignEdge

▸ alignEdge(mapping: any, sourceAssembly: Assembly): object

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:98

Based on a source (start->end) to target (start->end) edge mapping, aligns the source assembly to match the target.

Parameters:

Name	Type
mapping	any
sourceAssembly	Assembly

Returns: object

edge that the object is being aligned on

• direction: Vector3

• start: Vector3

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Static alignPlanarOnSections

▸ alignPlanarOnSections(sectionA: OutlineSection, sectionB: OutlineSection, assemblyA: Assembly, assemblyB: Assembly): object

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:15

Composite method to align two plates to be planar and touch each other at the two specified OutlineSections

Parameters:

Name	Type
sectionA	OutlineSection
sectionB	OutlineSection
assemblyA	Assembly
assemblyB	Assembly

Returns: object

• edge(): object

• direction: Vector3

• start: Vector3

• mapping(): object

• source: object

  • end: object

  • worldPosition: Vector3‹› = osAEnd

  • start: object

  • worldPosition: Vector3‹› = osAStart

• target: object

  • end: object

  • point: OutlinePoint‹› = aEndMappingTarget

  • worldPosition: Vector3‹› = aEndMappingTargetPos

  • start: object

  • point: OutlinePoint‹› = aStartMappingTarget

  • worldPosition: Vector3‹› = aStartMappingTargetPos

---

Static applyRotationAroundEdge

▸ applyRotationAroundEdge(assembly: Assembly, edge: any, angle: number): void

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:158

Parameters:

Name	Type	Default
assembly	Assembly	-
edge	any	-
angle	number	Math.PI / 2

Returns: void

---

Static determinePointToPointMapping

▸ determinePointToPointMapping(sectionA: OutlineSection, sectionB: OutlineSection, assemblyA: Assembly, assemblyB: Assembly): object

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:37

Determines which point (start/end) of section A will be mapped onto which point (start/end) of section B. Chooses the combination with shortest distance

Parameters:

Name	Type
sectionA	OutlineSection
sectionB	OutlineSection
assemblyA	Assembly
assemblyB	Assembly

Returns: object

• source: object

• end: object

  • worldPosition: Vector3‹› = osAEnd

• start: object

  • worldPosition: Vector3‹› = osAStart

• target: object

• end: object

  • point: OutlinePoint‹› = aEndMappingTarget

  • worldPosition: Vector3‹› = aEndMappingTargetPos

• start: object

  • point: OutlinePoint‹› = aStartMappingTarget

  • worldPosition: Vector3‹› = aStartMappingTargetPos

---

Static ensurePlanarObjects

▸ ensurePlanarObjects(objectA: PhysicalObject, objectB: PhysicalObject, edge: object): void

Defined in src/model/data/Joints/Joints/PreTransformHelper.ts:127

Ensures both plates are planar, i.e the normal vectors point in the same direction, by rotating objectA's assembly around rotationCenter Since resulting quaternions may have too many degrees of freedom, the rotation is constrained to a rotation around the edge's direction vector

Parameters:

▪ objectA: PhysicalObject

▪ objectB: PhysicalObject

▪ edge: object

Name	Type
direction	Vector3
start	Vector3

Returns: void