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Classes
- AlgeobraThreeScene
- DefLine3
- DefMesh
- DefNormal3
- DefPlane
- DefPoint3
- DefReflection3
- DefSphere
- DefSpherical
- DefVector3
Members
(inner, constant) TYPE_LINE3
Type specifier for a 3D line type
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(inner, constant) TYPE_MESH
Type specifier for a mesh type
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(inner, constant) TYPE_PLANE
Type specifier for a plane type
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(inner, constant) TYPE_POINT3
Type specifier for a 3D point type
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(inner, constant) TYPE_SPHERE
Type specifier for a sphere type
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(inner, constant) TYPE_SPHERICAL
Type specifier for a spherical coordinate type
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(inner, constant) TYPE_VECTOR3
Type specifier for a 3D vector type
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(inner, constant) styles
Default style definitions of provided objects
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Methods
(inner) createDefaultGeometryHandlers() → {Object}
Create handlers for types described in this module
The map is organized as: TYPE_NAME -> handler
Current map provides: TYPE_POINT3, TYPE_LINE3, TYPE_SPHERE, TYPE_VECTOR3, TYPE_PLANE,TYPE_MESH
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Returns:
A map of handlers
- Type
- Object
(inner) disposeThreeObjectTree(obj)
Disposes a three object with its children
Parameters:
| Name | Type | Description |
|---|---|---|
obj |
THREE.Object3D |
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(inner) intersectLine3Plane(line, plane, epsopt) → {Array.<THREE.Vector3>}
Computes the intersection of a line and a plane
The line might be open ended either from the first or the second point.
The plane can be infinite or delimited by its spanning vectors.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
line |
Object | The line | ||
plane |
Object | The plane | ||
eps |
Number |
<optional> |
1e-10 | The epsilon value for comparisons |
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Returns:
The intersections, if any. A line and a plane have at most one
- Type
- Array.<THREE.Vector3>
(inner) intersectLine3Sphere(line, sphere, epsopt) → {Array.<THREE.Vector3>}
Computes the intersection of a line and a sphere
The line might be open ended either from the first or the second point.
Parameters:
| Name | Type | Attributes | Default | Description |
|---|---|---|---|---|
line |
Object | The line | ||
sphere |
Object | The sphere | ||
eps |
Number |
<optional> |
1e-10 | The epsilon value for comparisons |
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Returns:
The intersections, if any. A line and a sphere have at most two.
- Type
- Array.<THREE.Vector3>
(inner) makeLine3(p0, p1, leftOpen, rightOpen) → {Object}
Helper function to create a 3d line-type object
Parameters:
| Name | Type | Description |
|---|---|---|
p0 |
THREE.Vector3 | The first line point |
p1 |
THREE.Vector3 | The second line point |
leftOpen |
Boolean | Whether the line extends to infinity from the first point |
rightOpen |
Boolean | Whether the line extends to infinity from the second point |
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Returns:
- Type
- Object
(inner) makeMesh(points, normalsopt, uvsopt) → {Object}
Helper function to create a mesh-type object
Only points are mandatory.
If other attributes are given, they must have the same size as the points
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
points |
Array.<THREE.Vector3> | The points | |
normals |
Array.<THREE.Vector3> |
<optional> |
The normals |
uvs |
Array.<THREE.Vector2> |
<optional> |
The uvs |
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Returns:
- Type
- Object
(inner) makePlane(origin, u, b, infinite) → {Object}
Helper function to create a plane-type object
Parameters:
| Name | Type | Description |
|---|---|---|
origin |
THREE.Vector3 | The plane origin |
u |
THREE.Vector3 | The first spanning vector |
b |
THREE.Vector3 | The second spanning vector |
infinite |
Boolean | Whether the plane is infinite |
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Returns:
- Type
- Object
(inner) makePoint3(p) → {Object}
Helper function to create a 3d point-type object
Parameters:
| Name | Type | Description |
|---|---|---|
p |
THREE.Vector3 | The point |
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Returns:
- Type
- Object
(inner) makeSphere(r, center) → {Object}
Helper function to create a sphere-type object
Parameters:
| Name | Type | Description |
|---|---|---|
r |
Number | The radius |
center |
THREE.Vector3 | The center |
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Returns:
- Type
- Object
(inner) makeSpherical(r, phi, theta) → {Object}
Helper function to create a spherical coordinate-type object
Parameters:
| Name | Type | Description |
|---|---|---|
r |
Number | The radius |
phi |
Number | The phi angle |
theta |
Number | The theta angle |
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Returns:
- Type
- Object
(inner) makeVector3(v, ref) → {Object}
Helper function to create a 3d vector-type object
Parameters:
| Name | Type | Description |
|---|---|---|
v |
THREE.Vector3 | The vector |
ref |
THREE.Vector3 | The point the vector is attached to |
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Returns:
- Type
- Object
(inner) registerAlgeobraIntersectors()
Registers intersectors at the algeobra registry
Currently supported intersectors are:
TYPE_LINE3: TYPE_SPHERE, TYPE_PLANE
TYPE_SPHERE: TYPE_LINE3
TYPE_PLANE: TYPE_LINE3
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(inner) vecsToTypedArray(vecs, paramsopt, arrayTypeopt)
Helper function to convert an array of THREE vectors into a typed linear buffer
Parameters:
| Name | Type | Attributes | Description |
|---|---|---|---|
vecs |
Array | Vector of THREE vectors | |
params |
Object |
<optional> |
|
arrayType |
Number |
<optional> |
The type of the typed Array |
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Returns:
The typed array