Function matDefine

matDefine(
    key?: string | symbol,
    customDefines?: any,
    thisMat?: boolean,
    onChange?: (...args: any[]) => any,
    processVal?: (newVal: any) => any,
    invProcessVal?: (val: any) => any,
): PropertyDecorator
Decorator to create a three.js style define in this.material or this and bind to a property. see also - matDefineBool
Parameters
- Optionalkey: string | symbol
  define name
- OptionalcustomDefines: any
  object for setting define value (like ShaderMaterial.defines), otherwise this.material.defines is taken
- thisMat: boolean = false
  access this.defines instead of this.material.defines
- OptionalonChange: (...args: any[]) => any
  function to call when the value changes. The function is called with the following parameters: [key, newVal]. Note: needsUpdate is set to true for this/material if onChange is not provided.
- OptionalprocessVal: (newVal: any) => any
  function that processes the value before setting it.
- OptionalinvProcessVal: (val: any) => any
  function that processes the value before returning it.
Returns PropertyDecorator
- Defined in src/three/utils/decorators.ts:65