Class TextureMatrix

Class controls uv mapping from Texture normal space to BaseTexture normal space.

Takes trim and rotate into account. May contain clamp settings for Meshes and TilingSprite.

Can be used in Texture uvMatrix field, or separately, you can use different clamp settings on the same texture. If you want to add support for texture region of certain feature or filter, that's what you're looking for.

Takes track of Texture changes through _lastTextureID private field. Use update() method call to track it from outside.

See

  • PIXI.Texture
  • PIXI.Mesh
  • PIXI.TilingSprite

Memberof

PIXI

Constructors

constructor

Properties

_texture clampMargin clampOffset isSimple mapCoord uClampFrame uClampOffset

Accessors

texture

Methods

multiplyUvs update

Constructors

constructor

  • new TextureMatrix(texture, clampMargin?): TextureMatrix

  • Parameters

    • texture: Texture<Resource>

      observed texture

    • Optional clampMargin: number

      Changes frame clamping, 0.5 by default. Use -0.5 for extra border.

    Returns TextureMatrix

Properties

_texture

_texture: Texture<Resource>

clampMargin

clampMargin: number

Changes frame clamping Works with TilingSprite and Mesh Change to -0.5 to add a pixel to the edge, recommended for transparent trimmed textures in atlas

Default

0.5

clampOffset

clampOffset: number

Changes frame clamping Works with TilingSprite and Mesh Change to 1.5 if you texture has repeated right and bottom lines, that leads to smoother borders

Default

0

Readonly isSimple

isSimple: boolean

If texture size is the same as baseTexture.

Default

false
@readonly

Readonly mapCoord

mapCoord: Matrix

Matrix operation that converts texture region coords to texture coords

Readonly uClampFrame

uClampFrame: Float32Array

Clamp region for normalized coords, left-top pixel center in xy , bottom-right in zw. Calculated based on clampOffset.

Readonly uClampOffset

uClampOffset: Float32Array

Normalized clamp offset. Calculated based on clampOffset.

Accessors

texture

  • get texture(): Texture<Resource>

  • Texture property.

    Returns Texture<Resource>

  • set texture(value): void

  • Parameters

    Returns void

Methods

multiplyUvs

  • multiplyUvs(uvs, out?): Float32Array

  • Multiplies uvs array to transform

    Parameters

    • uvs: Float32Array

      mesh uvs

    • Optional out: Float32Array

      output

    Returns Float32Array

    • output

update

  • update(forceUpdate?): boolean

  • Updates matrices if texture was changed.

    Parameters

    • Optional forceUpdate: boolean

      if true, matrices will be updated any case

    Returns boolean

    • Whether or not it was updated

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