Class ClothVisual

Simulates and renders cloth visuals in a Lens.

Remarks

Handles the mesh data of cloth and prepares it for cloth simulation. Also controls all the parameters of the cloth simulator and colliders.

See

Cloth Simulation

Example

// @input  Component.ClothVisual clothVisual
// @input Asset.RenderMesh mesh
// @input Asset.Material material

var clothVisual = script.clothVisual;

clothVisual.bendMode = ClothVisual.BendMode.Isometric; 
clothVisual.mesh = script.mesh;
clothVisual.mainMaterial = script.material;
clothVisual.gravity = new vec3(0, -100, 0);
clothVisual.stretchStiffness = 0.1;
clothVisual.bendStiffness = 0.1;
clothVisual.friction = 0.1;
clothVisual.repulsionEnabled = true;
clothVisual.repulsionOffset = 0.1;
clothVisual.repulsionStiffness = 0.1;
clothVisual.repulsionFriction = 0.1;
clothVisual.iterationsPerStep = 60;
clothVisual.frameRate = 30;
clothVisual.colliders = script.Colliders;
clothVisual.debugModeEnabled = false;
clothVisual.drawCollider = true;
clothVisual.updateNormalsEnabled = true;
clothVisual.mergeCloseVerticesEnabled = true;
clothVisual.onInitialized = clothInitCallback;
clothVisual.updatePriority = 0;

function clothInitCallback(clothVisualArg) {
	clothVisualArg.resetSimulation(); 
}

Hierarchy (View Summary, Expand)

Constructors

constructor

Properties

bendMode bendStiffness bendStiffnessVertexWeight colliders enabled extentsTarget externalBodyMeshWeight friction frictionVertexWeight gravity horizontalAlignment iterationsPerStep mainMaterial mainPass mass massVertexWeight materials maxAcceleration mergeCloseVerticesEnabled mergeCloseVerticesThreshold mesh meshShadowMode onInitialized repulsionEnabled repulsionFriction repulsionOffset repulsionStiffness sceneObject shadowColor shadowDensity simulatedMesh stretchMode stretchStiffness stretchStiffnessVertexWeight uniqueIdentifier updateNormalsEnabled verticalAlignment

Methods

addCollider addMaterial clearColliders clearMaterials createVertexSettings destroy getAllColors getMaterial getMaterialsCount getPointColorByIndex getPointIndicesByColor getPointIndicesByMask getRenderOrder getSceneObject getTransform getTypeName getVertexBinding getVertexSettings isHardwareSupported isInitialized isOfType isSame localAabbMax localAabbMin removeColliderByIndex resetSimulation setRenderOrder setVertexBinding setVertexSettings snap worldAabbMax worldAabbMin

Constructors

Protectedconstructor

Properties

bendMode

bendMode: BendMode

Select bend mode to use (Isometric bending/Linear bending).

bendStiffness

bendStiffness: number

BendStiffness value.

bendStiffnessVertexWeight

bendStiffnessVertexWeight: number

BendStiffness value weight on all the VertexSettings.

colliders

colliders: ColliderComponent[]

List of colliders assigned.

enabled

enabled: boolean

If disabled, the Component will stop enacting its behavior.

extentsTarget

extentsTarget: ScreenTransform

When a ScreenTransform is present on this SceneObject, and extentsTarget is a child of this SceneObject, extentsTarget will be repositioned to match the exact area this MeshVisual is being rendered. Very useful for Image and Text components.

externalBodyMeshWeight

externalBodyMeshWeight: number

The influence of the external body mesh acting on the cloth visual.

friction

friction: number

Friction value.

frictionVertexWeight

frictionVertexWeight: number

Friction value weight on all the VertexSettings.

gravity

gravity: vec3

Gravity force vector.

horizontalAlignment

horizontalAlignment: HorizontalAlignment

When a ScreenTransform is attached to the same SceneObject, this controls how the mesh will be positioned horizontally depending on stretchMode.

iterationsPerStep

iterationsPerStep: number

Number of simulation iterations to perform per each step. Higher number contributes to higher quality, but can be difficult for device performance.

mainMaterial

mainMaterial: Material

Returns the first Material.

mainPass

mainPass: Pass

Returns the mainPass of the mainMaterial.

mass

mass: number

Mass value.

massVertexWeight

massVertexWeight: number

Mass value weight on all the VertexSettings.

materials

materials: Material[]

Get the array of materials used by the MaterialMeshVisual.

maxAcceleration

maxAcceleration: number

Control for the acceleration on motion of vertices in cloth simulation, by default set to 2000.

mergeCloseVerticesEnabled

mergeCloseVerticesEnabled: boolean

Whether to merge close vertices (Lens Studio might split vertices when loading FBX mesh). Changing this resets the simulation.

mergeCloseVerticesThreshold

mergeCloseVerticesThreshold: number

Threshold of close vertices. Changing this value resets the simulation.

mesh

mesh: RenderMesh

Attached mesh.

meshShadowMode

meshShadowMode: MeshShadowMode

None = 0, Caster = 1, Receiver = 2

onInitialized

onInitialized: (clothVisual: ClothVisual) => void

Function called when the ClothVisual is initialized.

repulsionEnabled

repulsionEnabled: boolean

Indicates whether we will enable collision repulsion with collider models.

repulsionFriction

repulsionFriction: number

Collision friction to dampen relative motion.

repulsionOffset

repulsionOffset: number

Indicates the offset we set when the cloth mesh is too close to the colliders.

repulsionStiffness

repulsionStiffness: number

Indicates the stiffness of repulsion when collision.

ReadonlysceneObject

sceneObject: SceneObject

The scene object this component is on.

shadowColor

shadowColor: vec4

Affects the color of shadows being cast by this MeshVisual. The color of the cast shadow is a mix between shadowColor and the material's base texture color. The alpha value of shadowColor controls the mixing of these two colors, with 0 = shadowColor and 1 = shadowColor * textureColor.

shadowDensity

shadowDensity: number

Density of shadows cast by this MeshVisual.

ReadonlysimulatedMesh

simulatedMesh: RenderMesh

Returns the modified simulated mesh which can be used in another RenderMeshVisual if the same simulated mesh is needed. Useful when creating effects that might require the same mesh to be rendered twice, such as with a mirror effect. Prevents the need to run a simulation twice.

stretchMode

stretchMode: StretchMode

When a ScreenTransform is attached to the same SceneObject, this controls how the mesh will be stretched relative to the ScreenTransform's boundaries.

stretchStiffness

stretchStiffness: number

StretchStiffness Value.

stretchStiffnessVertexWeight

stretchStiffnessVertexWeight: number

StretchStiffness Value weight on all the VertexSettings.

ReadonlyuniqueIdentifier

uniqueIdentifier: string

updateNormalsEnabled

updateNormalsEnabled: boolean

Whether to update normals for the cloth mesh each frame in order to get reflection update.

verticalAlignment

verticalAlignment: VerticalAlignment

When a ScreenTransform is attached to the same SceneObject, this controls how the mesh will be positioned vertically depending on stretchMode.

Methods

addCollider

addMaterial

clearColliders

  • clearColliders(): void

    Clears the colliders list.

    Returns void

clearMaterials

StaticcreateVertexSettings

destroy

getAllColors

  • getAllColors(): vec4[]

    Returns all available vertex colors on cloth mesh.

    Returns vec4[]

getMaterial

getMaterialsCount

getPointColorByIndex

  • getPointColorByIndex(index: number): vec4

    Returns the vertex color by vertex index.

    Parameters

    • index: number

    Returns vec4

getPointIndicesByColor

  • getPointIndicesByColor(color: vec4, colorMask: vec4b): number[]

    Returns all the indices of vertices that are labeled by this color.

    Parameters

    Returns number[]

getPointIndicesByMask

  • getPointIndicesByMask(colorMask: vec4b): number[]

    Returns all the indices on the cloth mesh that are matching the color mask. Match means that the color has value on the channels which in colorMask is true.

    Parameters

    Returns number[]

getRenderOrder

getSceneObject

getTransform

getTypeName

getVertexBinding

  • getVertexBinding(index: number): SceneObject

    Gets binding SceneObject of the vertex.

    Parameters

    • index: number

    Returns SceneObject

getVertexSettings

isHardwareSupported

  • isHardwareSupported(): boolean

    Returns true if the Cloth Simulation feature is supported by the current device.

    Returns boolean

isInitialized

  • isInitialized(): boolean

    Returns true if the Cloth Simulation and resources are initialized. Always return false if device is not supported.

    Returns boolean

isOfType

  • isOfType(type: string): boolean

    Returns true if the object matches or derives from the passed in type.

    Parameters

    • type: string

    Returns boolean

isSame

localAabbMax

localAabbMin

removeColliderByIndex

resetSimulation

  • resetSimulation(): void

    Resets the cloth simulation.

    Returns void

setRenderOrder

  • setRenderOrder(value: number): void

    Sets the order of this Visual in the render queue.

    Parameters

    • value: number

    Returns void

setVertexBinding

  • setVertexBinding(index: number, bindingObj: SceneObject): void

    Sets the binding SceneObject for the vertex.

    Parameters

    Returns void

setVertexSettings

snap

  • snap(camera: Camera): void

    Projects screen positions from camera's view onto the mesh's UVs. If the MeshVisual's material uses the same texture as the camera input, the MeshVisual will look identical to the part of the screen it covers.

    Parameters

    Returns void

worldAabbMax

worldAabbMin

Settings

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