anny.math v0.1.6
Math
This is a basic Math package. It contains routines to work with matrices, quaternions and vectors. All those entities are represented as Float32Arrays.
| Property | Description |
| ------ | ------ |
| Mathf.matrix4x4 | access available matrix functions. |
| Mathf.quaternion | access available quaternion functions. |
| Mathf.vector | access available vector functions. |
| Mathf.deg2Rad | use this to convert degrees to radians. |
| Mathf.rad2Deg | use this to convert radians to degrees. |
| Method | Description |
|---|---|
Mathf.asUint | convert number to uint32. |
Mathf.asInt | convert number to int32. |
Mathf.asFloat | convert number to float. |
Matrices
Matrices are stored in the column-major order
| Method | Description |
| ------ | ------ |
| Mathf.matrix4x4.identity | gets the identity matrix .|
| Mathf.matrix4x4.inverse | calculates full matrix inversion. |
| Mathf.matrix4x4.scaleWithVector3 | constructs scale matrix from a given float3 vector containing the 3 axis scales. |
| Mathf.matrix4x4.scaleWithNumber | constructs scale matrix from a given uniform scale value. |
| Mathf.matrix4x4.mul | calculates the float4x4 matrix result of a matrix multiplication between a float4x4 matrix and a float4x4 matrix. |
| Mathf.matrix4x4.set | sets matrix with rows. |
| Mathf.matrix4x4.setWithMatrix | set matrix with values from another matrix. |
| Mathf.matrix4x4.translateWithVector3 | calculates a float4x4 translation matrix given a float3 translation vector. |
| Mathf.matrix4x4.setWithQuaternion | calculates a float4x4 matrix constructed from a quaternion. |
| Mathf.matrix4x4.setWithQuaternionAndTranslate | calculates a float4x4 matrix constructed from a quaternion and a given float3 translation vector. |
Quaternions
| Method | Description |
|---|---|
Mathf.quaternion.eulerXYZ | calculates a quaternion constructed by first performing a rotation around the x-axis, then the y-axis and finally the z-axis |
Mathf.quaternion.eulerXZY | calculates a quaternion constructed by first performing a rotation around the x-axis, then the z-axis and finally the y-axis. |
Mathf.quaternion.eulerYXZ | calculates a quaternion constructed by first performing a rotation around the y-axis, then the x-axis and finally the z-axis. |
Mathf.quaternion.eulerYZX | calculates a quaternion constructed by first performing a rotation around the y-axis, then the z-axis and finally the x-axis. |
Mathf.quaternion.eulerZXY | calculates a quaternion constructed by first performing a rotation around the z-axis, then the x-axis and finally the y-axis. |
Mathf.quaternion.eulerZYX | calculates a quaternion constructed by first performing a rotation around the z-axis, then the y-axis and finally the x-axis. |
Mathf.quaternion.mul | calculates the result of transforming the quaternion b by the quaternion a. |
Vectors
Vectors may be treated as Float32Arrays and also as instances of classes: Vector2, Vector3, Vector4
| Method | Description |
| ------ | ------ |
| Mathf.vector.add | returns a sum of two vectors element wise. |
| Mathf.vector.sub | returns a subtraction of two vectors element wise. |
| Mathf.vector.mul | returns a multiplication of two vectors element wise. |
| Mathf.vector.scale | returns a multiplication of a vector by another vector element wise. |
| Mathf.vector.div | returns a division of a vector and number element wise. |
| Mathf.vector.inverse | returns vector inversion as 1 / v[i]. |
| Mathf.vector.equals | returns true if vectors are equal. |
| Mathf.vector.length | returns length(magnitude) of a vector. |
| Mathf.vector.distance | returns distance between two points. |
| Mathf.vector.dot | returns dot product of two vectors. |
| Mathf.vector.cross | returns cross product of two vectors. |