这项技术近似模拟了观察点相对于粗糙的表面移动时的视差。
This technique approximates the parallax seen when moving the eye relative to an uneven surface.
视差滚动使背景图像比前景的内容移动得更慢，继而产生深度和沉浸的错觉。
Parallax scrolling involves the background image moving slower than the content in the foreground, creating an illusion of depth and immersion. Image credits: squarespace.
表明视差的影响这一最低点是故意采取一个大角度偏移：照相机移动了至少一个单位从原来的拍摄位置。
To demonstrate the effects of parallax this nadir shot was deliberately taken with a large viewpoint offset: the camera was moved at least a meter from the original shooting position.
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