PlaneConstraint

Extends: Constraint
Defined in: src/constraints/PlaneConstraint.js:15

Defines one or many relationships between an infinite plane and single particles.

Orientaiton of the plane is defined by 3 points: planeA, planeB, and planeC.

var planeA = 0, planeB = 1, planeC = 2
var a = 3, b = 4, c = 5
var single = PlaneConstraint.create(planeA, planeB, planeC, a)
var many = PlaneConstraint.create(planeA, planeB, planeC, [a, b, c])

PlaneConstraint( planeA, planeB, planeC, a )

src/constraints/PlaneConstraint.js:15

planeA Int

Particle index defining point on plane
planeB Int

Particle index defining point on plane
planeC Int

Particle index defining point on plane
a Int | Array

Particle index or list of many indices

Methods
Properties

_calculateNormal( index, p0 ) private

src/constraints/PlaneConstraint.js:77

Calculate and cache plane normal vector. Calculated once per relaxation loop iteration.

index Int

Constraint set index
p0 Float32Array (Vec3)

Reference to ParticleSystem.positions

applyConstraint( index, p0, p1 ) protected

Defined in Constraint: src/constraints/Constraint.js:90

Apply constraint to one set of particles defining a constrint relation. Called _count times per relaxation loop.

index Int

Constraint set index
p0 Float32Array (Vec3)

Reference to ParticleSystem.positions
p1 Float32Array (Vec3)

Reference to ParticleSystem.positionsPrev

create( ) static

src/constraints/PlaneConstraint.js:53

Create instance, accepts constructor arguments.

setIndices( indices, [a] )

Defined in Constraint: src/constraints/Constraint.js:73

Set particle indices with Array or list of arguments.

indices Int | Array

Single or many particle indices
[a] Int (*..n)

Particle index

setPlane( a, b, c )

src/constraints/PlaneConstraint.js:61

Set particles defining constraint plane

a Int

Particle index point on plane
b Int

Particle index point on plane
c Int

Particle index point on plane

_count Int private

src/constraints/Constraint.js:37

Number of constraint relations managed by this instance

_hasNormal Bool private

src/constraints/PlaneConstraint.js:129

State of constraint's plane normal resolution

_itemSize Int private

src/constraints/Constraint.js:46

Number of particles per constraint relation

_offset Int private

src/constraints/Constraint.js:55

Number of indices to save at beginning of index array

bufferVec3 Float32Array (Vec3) private

src/constraints/PlaneConstraint.js:40

Vec3 buffer which stores plane normal.

indices Uint16Array

src/constraints/Constraint.js:29

Particle indices defining constraint relations

Three Point Square ^0.3.3