three.js add missing math.lerp and webglrenderer methods (#27317)
three.js add missing math.lerp and webglrenderer methods (#27317)

* Update three-core.d.ts

Add missing WebGLRenderer methods (getDrawingBufferSize, setDrawingBufferSize, getCurrentViewport)

* Update three-core.d.ts

remove unnecessary whitespace

* Add missing lerp method from Math namespace

* Fixed indentation & order

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