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v128
WebAssembly & Javascript module for fast 3D matrix vector calculations using SIMD vector 128 bits.
v128
v128 is an high performance javascript library for 3D matrix vector calculations using 128 bits vector type from WebAssembly
Installation :
npm install v128
Getting started
Web browser :
<script src="node_module/v128/dist/v128-min.js"></script>
Node.js :
const {v128} = require("v128");
await v128.init(4);
let cameraPos = v128.vector.new(0,2.5,-4);
let center = v128.vector.new(0,0,0);
let up = v128.vector.new(0,1,0);
let viewMatrix = v128.matrix.lookAt(cameraPos,center,up,v128.matrix.new());
let projectionMatrix = v128.matrix.perspective(Math.PI/2,4/3,0.1,1000,v128.matrix.new());
let viewProjection = v128.matrix.multiply(viewMatrix, projectionMatrix,v128.matrix.new());
WebGL compatibility :
gl.uniformMatrix4fv(projectionLocation, false, v128.memory.toArray(projectionMatrix));
How to build :
prerequisite :
step to build : just type :
> make
API Reference
v128 : object
WebAssembly & Javascript module fast matrix vector calculations using SIMD vector 128 bits.
Kind: global namespace
- v128 :
object- .ready :
Promise - .memory :
object- .randomize()
- .alloc(size) ⇒
UInt32 - .free(pointer)
- .fill(pointer, ...vals)
- .slice(pointer) ⇒
Float32Array - .toArray(pointer) ⇒
Float32Array
- .matrix :
object- .new(...vals) ⇒
UInt32 - .free(pointer)
- .identity([pMatDest]) ⇒
- .multiply(pMatA, pMatB, pMatDest) ⇒
UInt32 - .transform(pMat, pVec, pVecDest) ⇒
UInt32 - .lookAt(pCamPos, pTargetPos, pUpAxis, pMatDest) ⇒
UInt32 - .invert(pMat, pMatDest) ⇒
UInt32 - .perspective(fovy, aspect, near, far, pMatDest) ⇒
UInt32 - .fromTranslation(pVec, pMatDest) ⇒
UInt32 - .fromScaling(pVec, pMatDest) ⇒
UInt32 - .fromXRotation(rad, pMatDest) ⇒
UInt32 - .fromYRotation(rad, pMatDest) ⇒
UInt32 - .fromZRotation(rad, pMatDest) ⇒
UInt32 - .rotateX(pMat, angle, pMatDest) ⇒
UInt32 - .rotateY(pMat, angle, pMatDest) ⇒
UInt32 - .rotateZ(pMat, angle, pMatDest) ⇒
UInt32 - .rotateX(pMat, pVec, pMatDest) ⇒
UInt32
- .new(...vals) ⇒
- .vector :
object- .new(...vals) ⇒
UInt32 - .free(pointer)
- .length(pVec) ⇒
Number - .normalize(pVec, pVecDest) ⇒
UInt32 - .add(pVecA, pVecB, pVecDest) ⇒
UInt32 - .sub(pVecA, pVecB, pVecDest) ⇒
UInt32 - .mul(pVecA, pVecB, pVecDest) ⇒
UInt32 - .div(pVecA, pVecB, pVecDest) ⇒
UInt32 - .cross(pVecA, pVecB, pVecDest) ⇒
UInt32 - .dot(pVecA, pVecB) ⇒
Number - .scale(pVec, scale, pVecDest) ⇒
UInt32
- .new(...vals) ⇒
- .uniformBlock :
object - .vertexBuffer :
object - .init(size) ⇒
Promise
- .ready :
v128.ready : Promise
Promise resolve when API is ready
Kind: static property of v128
v128.memory : object
memory API
Kind: static namespace of v128
- .memory :
object- .randomize()
- .alloc(size) ⇒
UInt32 - .free(pointer)
- .fill(pointer, ...vals)
- .slice(pointer) ⇒
Float32Array - .toArray(pointer) ⇒
Float32Array
memory.randomize()
Randomize all the memory
Kind: instance method of memory
memory.alloc(size) ⇒ UInt32
allocate float memory array
Kind: instance method of memory
Returns: UInt32 - the pointer from v128 memory
| Param | Type | Description |
|---|---|---|
| size | Number | the number of float to allocate |
memory.free(pointer)
free float memory
Kind: instance method of memory
| Param | Type | Description |
|---|---|---|
| pointer | UInt32 | the pointer to free |
memory.fill(pointer, ...vals)
fill float memory with given values
Kind: instance method of memory
| Param | Type | Description |
|---|---|---|
| pointer | UInt32 | |
| ...vals | Numbers | number values to fill |
memory.slice(pointer) ⇒ Float32Array
get copy of portion float memory
Kind: instance method of memory
| Param | Type |
|---|---|
| pointer | UInt32 |
memory.toArray(pointer) ⇒ Float32Array
get read/write access of portion float memory
Kind: instance method of memory
| Param | Type |
|---|---|
| pointer | UInt32 |
v128.matrix : object
matrix API
Kind: static namespace of v128
- .matrix :
object- .new(...vals) ⇒
UInt32 - .free(pointer)
- .identity([pMatDest]) ⇒
- .multiply(pMatA, pMatB, pMatDest) ⇒
UInt32 - .transform(pMat, pVec, pVecDest) ⇒
UInt32 - .lookAt(pCamPos, pTargetPos, pUpAxis, pMatDest) ⇒
UInt32 - .invert(pMat, pMatDest) ⇒
UInt32 - .perspective(fovy, aspect, near, far, pMatDest) ⇒
UInt32 - .fromTranslation(pVec, pMatDest) ⇒
UInt32 - .fromScaling(pVec, pMatDest) ⇒
UInt32 - .fromXRotation(rad, pMatDest) ⇒
UInt32 - .fromYRotation(rad, pMatDest) ⇒
UInt32 - .fromZRotation(rad, pMatDest) ⇒
UInt32 - .rotateX(pMat, angle, pMatDest) ⇒
UInt32 - .rotateY(pMat, angle, pMatDest) ⇒
UInt32 - .rotateZ(pMat, angle, pMatDest) ⇒
UInt32 - .rotateX(pMat, pVec, pMatDest) ⇒
UInt32
- .new(...vals) ⇒
matrix.new(...vals) ⇒ UInt32
fast create new matrix from initial values
Kind: instance method of matrix
Returns: UInt32 - the pointer to new matrix
| Param | Type | Description |
|---|---|---|
| ...vals | Numbers | number values to fill into matrix |
matrix.free(pointer)
free the matrix
Kind: instance method of matrix
| Param | Type | Description |
|---|---|---|
| pointer | UInt32 | the pointer of matrix to free |
matrix.identity([pMatDest]) ⇒
set or create matrix identity
Kind: instance method of matrix
Returns: the pointer of matrix identity
| Param | Type | Description |
|---|---|---|
| [pMatDest] | UInt32 | the pointer of matrix to set |
matrix.multiply(pMatA, pMatB, pMatDest) ⇒ UInt32
fast multiply 2 matrix (WebAssembly method)
Kind: instance method of matrix
Returns: UInt32 - the pointer to result matrix A*B
| Param | Type | Description |
|---|---|---|
| pMatA | UInt32 | pointer of matrix A |
| pMatB | UInt32 | pointer of matrix B |
| pMatDest | UInt32 | pointer of result matrix A*B |
matrix.transform(pMat, pVec, pVecDest) ⇒ UInt32
fast multiply matrix * vector (WebAssembly method)
Kind: instance method of matrix
Returns: UInt32 - the pointer to result transformed vector
| Param | Type | Description |
|---|---|---|
| pMat | UInt32 | pointer of matrix |
| pVec | UInt32 | pointer of vector |
| pVecDest | UInt32 | pointer of result transformed vector (matrix * vector) |
matrix.lookAt(pCamPos, pTargetPos, pUpAxis, pMatDest) ⇒ UInt32
fast create view matrix from camera position & target position (WebAssembly method)
Kind: instance method of matrix
Returns: UInt32 - the pointer to result view matrix
| Param | Type | Description |
|---|---|---|
| pCamPos | UInt32 | pointer of camera position |
| pTargetPos | UInt32 | pointer of target position |
| pUpAxis | UInt32 | pointer of up axis |
| pMatDest | UInt32 | pointer of result view matrix |
matrix.invert(pMat, pMatDest) ⇒ UInt32
fast invert matrix (WebAssembly method)
Kind: instance method of matrix
Returns: UInt32 - the pointer to inversed matrix
| Param | Type | Description |
|---|---|---|
| pMat | UInt32 | pointer of th matrix |
| pMatDest | UInt32 | pointer of inversed matrix |
matrix.perspective(fovy, aspect, near, far, pMatDest) ⇒ UInt32
create projection matrix from perspective data
Kind: instance method of matrix
Returns: UInt32 - the pointer to result projection matrix
| Param | Type | Description |
|---|---|---|
| fovy | number | Vertical field of view in radians |
| aspect | number | Aspect ratio. typically viewport width/height |
| near | number | Near clipping bound of the frustum |
| far | number | Far clipping bound of the frustum |
| pMatDest | UInt32 | pointer of result projection matrix |
matrix.fromTranslation(pVec, pMatDest) ⇒ UInt32
Creates a matrix from a vector translation
Kind: instance method of matrix
Returns: UInt32 - the pointer to result translated matrix
| Param | Type | Description |
|---|---|---|
| pVec | UInt32 | pointer of Translation vector |
| pMatDest | UInt32 | pointer of result translated matrix |
matrix.fromScaling(pVec, pMatDest) ⇒ UInt32
Creates a matrix from a vector scaling
Kind: instance method of matrix
Returns: UInt32 - the pointer to result scaled matrix
| Param | Type | Description |
|---|---|---|
| pVec | UInt32 | pointer of scaling vector |
| pMatDest | UInt32 | pointer of result scaled matrix |
matrix.fromXRotation(rad, pMatDest) ⇒ UInt32
Creates a matrix from the given angle around the X axis
Kind: instance method of matrix
Returns: UInt32 - the pointer to result rotated matrix
| Param | Type | Description |
|---|---|---|
| rad | Number | the angle to rotate the matrix by |
| pMatDest | UInt32 | pointer of result rotated matrix |
matrix.fromYRotation(rad, pMatDest) ⇒ UInt32
Creates a matrix from the given angle around the Y axis
Kind: instance method of matrix
Returns: UInt32 - the pointer to result rotated matrix
| Param | Type | Description |
|---|---|---|
| rad | Number | the angle to rotate the matrix by |
| pMatDest | UInt32 | pointer of result rotated matrix |
matrix.fromZRotation(rad, pMatDest) ⇒ UInt32
Creates a matrix from the given angle around the Z axis
Kind: instance method of matrix
Returns: UInt32 - the pointer to result rotated matrix
| Param | Type | Description |
|---|---|---|
| rad | Number | the angle to rotate the matrix by |
| pMatDest | UInt32 | pointer of result rotated matrix |
matrix.rotateX(pMat, angle, pMatDest) ⇒ UInt32
Rotates a matrix by the given angle around the X axis
Kind: instance method of matrix
Returns: UInt32 - the pointer of the receiving matrix
| Param | Type | Description |
|---|---|---|
| pMat | UInt32 | pointer of matrix to rotate |
| angle | Number | the angle in radian to rotate the matrix by |
| pMatDest | UInt32 | pointer of the receiving matrix |
matrix.rotateY(pMat, angle, pMatDest) ⇒ UInt32
Rotates a matrix by the given angle around the Y axis
Kind: instance method of matrix
Returns: UInt32 - the pointer of the receiving matrix
| Param | Type | Description |
|---|---|---|
| pMat | UInt32 | pointer of matrix to rotate |
| angle | Number | the angle in radian to rotate the matrix by |
| pMatDest | UInt32 | pointer of the receiving matrix |
matrix.rotateZ(pMat, angle, pMatDest) ⇒ UInt32
Rotates a matrix by the given angle around the Z axis
Kind: instance method of matrix
Returns: UInt32 - the pointer of the receiving matrix
| Param | Type | Description |
|---|---|---|
| pMat | UInt32 | pointer of matrix to rotate |
| angle | Number | the angle in radian to rotate the matrix by |
| pMatDest | UInt32 | pointer of the receiving matrix |
matrix.rotateX(pMat, pVec, pMatDest) ⇒ UInt32
Translates a matrix by the given vector
Kind: instance method of matrix
Returns: UInt32 - the pointer of the receiving matrix
| Param | Type | Description |
|---|---|---|
| pMat | UInt32 | pointer of matrix to translate |
| pVec | Number | pointer of vector to translate by |
| pMatDest | UInt32 | pointer of the receiving matrix |
v128.vector : object
vector API
Kind: static namespace of v128
- .vector :
object- .new(...vals) ⇒
UInt32 - .free(pointer)
- .length(pVec) ⇒
Number - .normalize(pVec, pVecDest) ⇒
UInt32 - .add(pVecA, pVecB, pVecDest) ⇒
UInt32 - .sub(pVecA, pVecB, pVecDest) ⇒
UInt32 - .mul(pVecA, pVecB, pVecDest) ⇒
UInt32 - .div(pVecA, pVecB, pVecDest) ⇒
UInt32 - .cross(pVecA, pVecB, pVecDest) ⇒
UInt32 - .dot(pVecA, pVecB) ⇒
Number - .scale(pVec, scale, pVecDest) ⇒
UInt32
- .new(...vals) ⇒
vector.new(...vals) ⇒ UInt32
fast create new vector from initial values
Kind: instance method of vector
Returns: UInt32 - the pointer to new vector
| Param | Type | Description |
|---|---|---|
| ...vals | Numbers | number values to fill into vector |
vector.free(pointer)
free the vector
Kind: instance method of vector
| Param | Type | Description |
|---|---|---|
| pointer | UInt32 | the pointer of vector to free |
vector.length(pVec) ⇒ Number
get fast length of 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: Number - the length of vector
| Param | Type | Description |
|---|---|---|
| pVec | UInt32 | pointer of vector |
vector.normalize(pVec, pVecDest) ⇒ UInt32
fast normalize 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: UInt32 - the pointer of normalized vector
| Param | Type | Description |
|---|---|---|
| pVec | UInt32 | pointer of vector |
| pVecDest | UInt32 | pointer of receive normalized vector |
vector.add(pVecA, pVecB, pVecDest) ⇒ UInt32
fast add two 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: UInt32 - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVecA | UInt32 | pointer of vector A |
| pVecB | UInt32 | pointer of vector B |
| pVecDest | UInt32 | pointer of receive sum result vector ( A + B ) |
vector.sub(pVecA, pVecB, pVecDest) ⇒ UInt32
fast sub two 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: UInt32 - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVecA | UInt32 | pointer of vector A |
| pVecB | UInt32 | pointer of vector B |
| pVecDest | UInt32 | pointer of receive sum result vector ( A - B ) |
vector.mul(pVecA, pVecB, pVecDest) ⇒ UInt32
fast multiply two 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: UInt32 - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVecA | UInt32 | pointer of vector A |
| pVecB | UInt32 | pointer of vector B |
| pVecDest | UInt32 | pointer of receive multiply result vector ( A * B ) |
vector.div(pVecA, pVecB, pVecDest) ⇒ UInt32
fast divide two 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: UInt32 - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVecA | UInt32 | pointer of vector A |
| pVecB | UInt32 | pointer of vector B |
| pVecDest | UInt32 | pointer of receive divide result vector ( A / B ) |
vector.cross(pVecA, pVecB, pVecDest) ⇒ UInt32
fast cross product of two 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: UInt32 - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVecA | UInt32 | pointer of vector A |
| pVecB | UInt32 | pointer of vector B |
| pVecDest | UInt32 | pointer of receive cross product result vector ( A.B ) |
vector.dot(pVecA, pVecB) ⇒ Number
fast dot product of two 3D Homogeneous coordinates vector (WebAssembly method)
Kind: instance method of vector
Returns: Number - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVecA | UInt32 | pointer of vector A |
| pVecB | UInt32 | pointer of vector B |
vector.scale(pVec, scale, pVecDest) ⇒ UInt32
fast scale vector by a scalar number
Kind: instance method of vector
Returns: UInt32 - the pointer of result vector
| Param | Type | Description |
|---|---|---|
| pVec | UInt32 | pointer of vector to scale |
| scale | Number | amount to scale the vector by |
| pVecDest | UInt32 | pointer of receive result vector |
v128.uniformBlock : object
WebGL2 Uniform Buffer Objects API (UBOs) using std140 layout.
Kind: static namespace of v128
v128.vertexBuffer : object
WebGL Vertex Buffer Objects API (VBOs)
Kind: static namespace of v128
v128.init(size) ⇒ Promise
Initialize the v128 API
Kind: static method of v128
Returns: Promise - resolve when API is ready
| Param | Type | Description |
|---|---|---|
| size | Number | the number of page for v128 Memory (page = 64Kb) |
Keywords
FAQs
WebAssembly & Javascript module for fast 3D matrix vector calculations using SIMD vector 128 bits.
The npm package v128 receives a total of 1 weekly downloads. As such, v128 popularity was classified as not popular.
We found that v128 demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
Package last updated on 12 Jul 2023
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