GLUtils | @kiswa/kilo

Provides static methods for working with WebGL.

Hierarchy

GLUtils

Index

Methods

Methods

Static get2DProjectionMatrix

get2DProjectionMatrix(width: number, height: number): number[]

- Defined in renderer/webgl/utils.ts:65
Gets a simple 2D flat projection matrix from the provided dimensions.

Parameters
- width: number
  
  Width of view in pixels.
- height: number
  
  Height of view in pixels.
Returns number[]

Static getCameraTranslation

getCameraTranslation(camera: any): number[]

- Defined in renderer/webgl/utils.ts:15
Gets a translation matrix based upon camera position.

Parameters
- camera: any
  
  Camera object to translate.
Returns number[]

Static getRotation

getRotation(angle: number): number[]

- Defined in renderer/webgl/utils.ts:92
Gets a rotation matrix from the provided angle.

Parameters
- angle: number
  
  Angle in radians.
Returns number[]

Static getScale

getScale(x: number, y: number): number[]

- Defined in renderer/webgl/utils.ts:51
Gets a scale matrix based upon provided sizes.

Parameters
- x: number
  
  Size to scale to in x dimension.
- y: number
  
  Size to scale to in y dimension.
Returns number[]

Static getScaleMatrix

getScaleMatrix(sprite: Sprite | TileSprite | Rect, width: number, height: number): number[]

- Defined in renderer/webgl/utils.ts:33
Gets a scale matrix based upon entity scale.

Parameters
- sprite: Sprite | TileSprite | Rect
  
  Entity with scale property.
- width: number
  
  Width of the entity in pixels.
- height: number
  
  Height of the entity in pixels.
Returns number[]

Static getTranslation

getTranslation(x: number, y: number): number[]

- Defined in renderer/webgl/utils.ts:79
Gets a translation matrix from the provided coordinates.

Parameters
- x: number
  
  Translation for the x dimension.
- y: number
  
  Translation for the y dimension.
Returns number[]

Static multiplyMatrices

multiplyMatrices(a: number[], b: number[]): number[]

- Defined in renderer/webgl/utils.ts:106
Multiplies two matrices together.

Parameters
- a: number[]
  
  The first matrix for multiplication.
- b: number[]
  
  The second matrix for multiplication.
Returns number[]