Function IncAlpha

IncAlpha<G extends GameObject[]>(
    items: G,
    value: number,
    step?: number,
    index?: number,
    direction?: number,
): G
Takes an array of Game Objects, or any objects that have a public alpha property, and then adds the given value to each of their alpha properties.

The optional step property is applied incrementally, multiplied by each item in the array.

To use this with a Group: IncAlpha(group.getChildren(), value, step)
Type Parameters
- G extends GameObject[]
Parameters
- items: G
  The array of items to be updated by this action.
- value: number
  The amount to be added to the alpha property.
- Optionalstep: number
  This is added to the value amount, multiplied by the iteration counter. Default 0.
- Optionalindex: number
  An optional offset to start searching from within the items array. Default 0.
- Optionaldirection: number
  The direction to iterate through the array. 1 is from beginning to end, -1 from end to beginning. Default 1.
Returns G
- Defined in types/phaser.d.ts:107