Creates the second rectangle and draws it to the screen in red.
创建第二个矩形并用红色将其绘制到屏幕。
Creates a second rectangle with upper-left corner at (100, 100).
创建第二个矩形，使其左上角位于(100,100)。
Gets the area of intersection for the region when combined with the second rectangle.
取得此区域与第二个矩形组合时的交集区域。
Creates a second rectangle that intersects with the first and draws it to the screen in red.
建立与第一个矩形交集的第二个矩形，并以红色将它绘制至画面。
Creates a second rectangle that intersects with the first and draws it to the screen in red.
建立与第一个矩形交集的第二个矩形，并以红色将它绘制至画面。
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