rhodonite
    Preparing search index...

    Interface IMutableMatrix33

    Interface for mutable 3x3 matrices. Provides modifiable 3x3 matrix operations for 3D transformations without translation.

    interface IMutableMatrix33 {
        m00: number;
        m01: number;
        m02: number;
        m10: number;
        m11: number;
        m12: number;
        m20: number;
        m21: number;
        m22: number;
        _swap(l: number, r: number): void;
        at(row_i: number, column_i: number): number;
        clone(): IMutableMatrix33;
        copyComponents(mat: IMatrix33 | IMatrix44): IMutableMatrix33;
        determinant(): number;
        flattenAsArray(): number[];
        getScale(): IVector3;
        getScaleTo(outVec: IMutableVector3): IMutableVector3;
        identity(): IMutableMatrix33;
        invert(): IMutableMatrix33;
        isDummy(): boolean;
        isEqual(mat: IMatrix33, delta?: number): boolean;
        isStrictEqual(mat: IMatrix33): boolean;
        multiply(mat: IMatrix33): IMutableMatrix33;
        multiplyByLeft(mat: IMatrix33): IMutableMatrix33;
        multiplyScale(vec: IVector3): IMutableMatrix33;
        multiplyVector(vec: IVector3): IVector3;
        multiplyVectorTo(vec: IVector3, outVec: IMutableVector3): IMutableVector3;
        raw(): TypedArray;
        rotate(vec3: IVector3): IMutableMatrix33;
        rotateX(radian: number): IMutableMatrix33;
        rotateXYZ(x: number, y: number, z: number): IMutableMatrix33;
        rotateY(radian: number): IMutableMatrix33;
        rotateZ(radian: number): IMutableMatrix33;
        scale(vec: IVector3): IMutableMatrix33;
        setAt(row_i: number, column_i: number, value: number): IMutableMatrix33;
        setComponents(
            m00: number,
            m01: number,
            m02: number,
            m10: number,
            m11: number,
            m12: number,
            m20: number,
            m21: number,
            m22: number,
        ): IMutableMatrix33;
        toString(): string;
        toStringApproximately(): string;
        transpose(): IMutableMatrix33;
        zero(): IMutableMatrix33;
    }

    Implemented by

    Index

    Properties

    m00 m01 m02 m10 m11 m12 m20 m21 m22

    Methods

    _swap at clone copyComponents determinant flattenAsArray getScale getScaleTo identity invert isDummy isEqual isStrictEqual multiply multiplyByLeft multiplyScale multiplyVector multiplyVectorTo raw rotate rotateX rotateXYZ rotateY rotateZ scale setAt setComponents toString toStringApproximately transpose zero

    Properties

    m00: number

    Element at row 0, column 0

    m01: number

    Element at row 0, column 1

    m02: number

    Element at row 0, column 2

    m10: number

    Element at row 1, column 0

    m11: number

    Element at row 1, column 1

    m12: number

    Element at row 1, column 2

    m20: number

    Element at row 2, column 0

    m21: number

    Element at row 2, column 1

    m22: number

    Element at row 2, column 2

    Methods

    _swap

    • _swap(l: number, r: number): void

      Swaps two elements in the internal array.

      Parameters

      • l: number

        Left index

      • r: number

        Right index

      Returns void

    • Gets the value at the specified row and column.

      Parameters

      • row_i: number

        Row index (0-based)

      • column_i: number

        Column index (0-based)

      Returns number

      Value at the specified position

    • Flattens the matrix into a plain JavaScript array.

      Returns number[]

      Array containing all matrix elements

    • Checks if this is a dummy/placeholder matrix.

      Returns boolean

      True if this is a dummy matrix

    • Checks if this matrix is approximately equal to another matrix.

      Parameters

      • mat: IMatrix33

        Matrix to compare against

      • Optionaldelta: number

        Optional tolerance for comparison (default: small epsilon)

      Returns boolean

      True if matrices are approximately equal

    • Applies rotations around X, Y, and Z axes in that order.

      Parameters

      • x: number

        Rotation around X-axis in radians

      • y: number

        Rotation around Y-axis in radians

      • z: number

        Rotation around Z-axis in radians

      Returns IMutableMatrix33

      This matrix for method chaining

    • Sets the value at the specified row and column.

      Parameters

      • row_i: number

        Row index (0-based)

      • column_i: number

        Column index (0-based)

      • value: number

        Value to set

      Returns IMutableMatrix33

      This matrix for method chaining

    • Sets all matrix components from individual values.

      Parameters

      • m00: number

        Element at row 0, column 0

      • m01: number

        Element at row 0, column 1

      • m02: number

        Element at row 0, column 2

      • m10: number

        Element at row 1, column 0

      • m11: number

        Element at row 1, column 1

      • m12: number

        Element at row 1, column 2

      • m20: number

        Element at row 2, column 0

      • m21: number

        Element at row 2, column 1

      • m22: number

        Element at row 2, column 2

      Returns IMutableMatrix33

      This matrix for method chaining

    • Converts the matrix to a string representation.

      Returns string

      String representation of the matrix

    • Converts the matrix to an approximate string representation.

      Returns string

      Approximate string representation with rounded values

    Settings

    Member Visibility

    On This Page

    Properties
    Methods