Hit testing is determining whether the mouse was clicked in a certain region of the screen.

点击测试可决定是否已在萤幕的某个区域按了滑鼠键。

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Hit testing is determining whether the mouse was clicked in a certain region of the screen.

点击测试可决定是否已在萤幕的某个区域按了滑鼠键。

youdao