Added in API level 11
Deprecated in API level 31

Matrix3f

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Kotlin |Java

open class Matrix3f

kotlin.Any
↳	android.renderscript.Matrix3f

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This class was deprecated in API level 31.

Renderscript has been deprecated in API level 31. Please refer to the migration guide for the proposed alternatives.

Class for exposing the native RenderScript rs_matrix3x3 type back to the Android system.

Summary

Public constructors
Matrix3f() Creates a new identity 3x3 matrix
Matrix3f(dataArray: FloatArray!) Creates a new matrix and sets its values from the given parameter

Public methods
open Float	get(x: Int, y: Int) Returns the value for a given row and column
open FloatArray!	getArray() Return a reference to the internal array representing matrix values.
open Unit	load(src: Matrix3f!) Sets the values of the matrix to those of the parameter
open Unit	loadIdentity() Sets the matrix values to identity
open Unit	loadMultiply(lhs: Matrix3f!, rhs: Matrix3f!) Sets current values to be the result of multiplying two given matrices
open Unit	loadRotate(rot: Float) Makes the upper 2x2 a rotation matrix of the given angle
open Unit	loadRotate(rot: Float, x: Float, y: Float, z: Float) Sets current values to be a rotation matrix of certain angle about a given axis
open Unit	loadScale(x: Float, y: Float) Makes the upper 2x2 a scale matrix of given dimensions
open Unit	loadScale(x: Float, y: Float, z: Float) Sets current values to be a scale matrix of given dimensions
open Unit	loadTranslate(x: Float, y: Float) Sets current values to be a translation matrix of given dimensions
open Unit	multiply(rhs: Matrix3f!) Post-multiplies the current matrix by a given parameter
open Unit	rotate(rot: Float) Modifies the upper 2x2 of the current matrix by post-multiplying it with a rotation matrix of given angle
open Unit	rotate(rot: Float, x: Float, y: Float, z: Float) Modifies the current matrix by post-multiplying it with a rotation matrix of certain angle about a given axis
open Unit	scale(x: Float, y: Float) Modifies the upper 2x2 of the current matrix by post-multiplying it with a scale matrix of given dimensions
open Unit	scale(x: Float, y: Float, z: Float) Modifies the current matrix by post-multiplying it with a scale matrix of given dimensions
open Unit	set(x: Int, y: Int, v: Float) Sets the value for a given row and column
open Unit	translate(x: Float, y: Float) Modifies the current matrix by post-multiplying it with a translation matrix of given dimensions
open Unit	transpose() Sets the current matrix to its transpose

Public constructors

Matrix3f

Added in API level 11

Matrix3f()

Creates a new identity 3x3 matrix

Matrix3f

Added in API level 11

Matrix3f(dataArray: FloatArray!)

Creates a new matrix and sets its values from the given parameter

Parameters
dataArray	FloatArray!: values to set the matrix to, must be 9 floats long

Public methods

get

Added in API level 11

open fun get(
    x: Int, 
    y: Int
): Float

Deprecated: Deprecated in Java.

Returns the value for a given row and column

Parameters
x	Int: column of the value to return
y	Int: row of the value to return

Return
Float	value in the yth row and xth column

getArray

Added in API level 11

open fun getArray(): FloatArray!

Deprecated: Deprecated in Java.

Return a reference to the internal array representing matrix values. Modifying this array will also change the matrix

Return
FloatArray!	internal array representing the matrix

load

Added in API level 11

open fun load(src: Matrix3f!): Unit

Deprecated: Deprecated in Java.

Sets the values of the matrix to those of the parameter

Parameters
src	Matrix3f!: matrix to load the values from

loadIdentity

Added in API level 11

open fun loadIdentity(): Unit

Deprecated: Deprecated in Java.

Sets the matrix values to identity

loadMultiply

Added in API level 11

open fun loadMultiply(
    lhs: Matrix3f!, 
    rhs: Matrix3f!
): Unit

Deprecated: Deprecated in Java.

Sets current values to be the result of multiplying two given matrices

Parameters
lhs	Matrix3f!: left hand side matrix
rhs	Matrix3f!: right hand side matrix

loadRotate

Added in API level 11

open fun loadRotate(rot: Float): Unit

Deprecated: Deprecated in Java.

Makes the upper 2x2 a rotation matrix of the given angle

Parameters
rot	Float: rotation angle

loadRotate

Added in API level 11

open fun loadRotate(
    rot: Float, 
    x: Float, 
    y: Float, 
    z: Float
): Unit

Deprecated: Deprecated in Java.

Sets current values to be a rotation matrix of certain angle about a given axis

Parameters
rot	Float: angle of rotation
x	Float: rotation axis x
y	Float: rotation axis y
z	Float: rotation axis z

loadScale

Added in API level 11

open fun loadScale(
    x: Float, 
    y: Float
): Unit

Deprecated: Deprecated in Java.

Makes the upper 2x2 a scale matrix of given dimensions

Parameters
x	Float: scale component x
y	Float: scale component y

loadScale

Added in API level 11

open fun loadScale(
    x: Float, 
    y: Float, 
    z: Float
): Unit

Deprecated: Deprecated in Java.

Sets current values to be a scale matrix of given dimensions

Parameters
x	Float: scale component x
y	Float: scale component y
z	Float: scale component z

loadTranslate

Added in API level 11

open fun loadTranslate(
    x: Float, 
    y: Float
): Unit

Deprecated: Deprecated in Java.

Sets current values to be a translation matrix of given dimensions

Parameters
x	Float: translation component x
y	Float: translation component y

multiply

Added in API level 11

open fun multiply(rhs: Matrix3f!): Unit

Deprecated: Deprecated in Java.

Post-multiplies the current matrix by a given parameter

Parameters
rhs	Matrix3f!: right hand side to multiply by

rotate

Added in API level 11

open fun rotate(rot: Float): Unit

Deprecated: Deprecated in Java.

Modifies the upper 2x2 of the current matrix by post-multiplying it with a rotation matrix of given angle

Parameters
rot	Float: angle of rotation

rotate

Added in API level 11

open fun rotate(
    rot: Float, 
    x: Float, 
    y: Float, 
    z: Float
): Unit

Deprecated: Deprecated in Java.

Modifies the current matrix by post-multiplying it with a rotation matrix of certain angle about a given axis

Parameters
rot	Float: angle of rotation
x	Float: rotation axis x
y	Float: rotation axis y
z	Float: rotation axis z

scale

Added in API level 11

open fun scale(
    x: Float, 
    y: Float
): Unit

Deprecated: Deprecated in Java.

Modifies the upper 2x2 of the current matrix by post-multiplying it with a scale matrix of given dimensions

Parameters
x	Float: scale component x
y	Float: scale component y

scale

Added in API level 11

open fun scale(
    x: Float, 
    y: Float, 
    z: Float
): Unit

Deprecated: Deprecated in Java.

Modifies the current matrix by post-multiplying it with a scale matrix of given dimensions

Parameters
x	Float: scale component x
y	Float: scale component y
z	Float: scale component z

set

Added in API level 11

open fun set(
    x: Int, 
    y: Int, 
    v: Float
): Unit

Deprecated: Deprecated in Java.

Sets the value for a given row and column

Parameters
x	Int: column of the value to set
y	Int: row of the value to set

translate

Added in API level 11

open fun translate(
    x: Float, 
    y: Float
): Unit

Deprecated: Deprecated in Java.

Modifies the current matrix by post-multiplying it with a translation matrix of given dimensions

Parameters
x	Float: translation component x
y	Float: translation component y

transpose

Added in API level 11

open fun transpose(): Unit

Deprecated: Deprecated in Java.

Sets the current matrix to its transpose