In which type of perspective do surfaces directed towards the viewer maintain their true shape?

One-Point Perspective is a technique in which all lines converge toward a single vanishing point on the horizon line. This approach is specifically designed to create the illusion of depth on a flat surface. In this perspective, surfaces that are parallel to the viewer—particularly those oriented towards the viewer—retain their true shape and do not distort. This makes it an effective method for depicting objects such as roads, railways, or rooms where the front surface is facing directly toward the viewer.

In contrast, two-point and three-point perspectives introduce additional vanishing points, which can lead to the distortion of shapes when surfaces are not aligned directly towards the viewer. In two-point perspective, the surfaces can appear skewed as they recede into space towards two distinct vanishing points. Similarly, three-point perspective incorporates a third point, often placed above or below the horizon, which intensifies the distortion for surfaces not aligned with the viewer’s line of sight.

Central axis, while not a common term in the context of traditional perspective methods, may refer to a linear approach that does not specifically address how surfaces maintain their true shapes in the way that one-point perspective does.