reuse _tempVec2 and avoid creating new temple object #13906

	# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
	# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions

	name: <Web> build

	on: [pull_request]


	# github.head_ref is only defined on pull_request events
	concurrency:
	group: ${{ github.workflow }}-${{ github.actor }}-${{ github.head_ref \|\| github.run_id }}
	cancel-in-progress: true

	jobs:
	build:
	runs-on: ubuntu-latest
	if:
	(! contains(github.event.pull_request.body, '[X] does not change any runtime related code or build configuration'))
	strategy:
	matrix:
	node-version: [18.x]
	# See supported Node.js release schedule at https://nodejs.org/en/about/releases/

	steps:
	- uses: actions/checkout@v4
	- name: Use Node.js ${{ matrix.node-version }}
	uses: actions/setup-node@v4
	with:
	node-version: ${{ matrix.node-version }}

	- name: Download external
	run: \|
	EXT_VERSION=`node ./.github/workflows/get-native-external-version.js`
	git clone --branch $EXT_VERSION --depth 1 https://github.com/cocos/cocos-engine-external native/external

	- run: npm ci
	- run: echo "::add-matcher::.github/workflows/build-problem-matcher.json"
	- run: npm run build:dev
	#- run: echo "::remove-matcher owner=circular-reference-check::"

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