Description: Rotation around the Y-axis in a 3D space refers to the geometric transformation that rotates an object around its vertical axis. This type of rotation is fundamental in computer graphics, 3D modeling, and physical simulations, as it allows for the manipulation of the orientation of objects in a three-dimensional environment. Mathematically, rotation around the Y-axis can be represented by a rotation matrix that transforms the coordinates of a point in space. This transformation is generally expressed in radians or degrees and is applied to the X and Z coordinates of an object, while the Y coordinate remains constant. Y-axis rotation is particularly useful for creating dynamic visual effects, such as in virtual simulations and interactive applications, where characters or elements must turn to face different directions. Additionally, it is a key concept in virtual and augmented reality, where user interaction with the three-dimensional environment requires precise manipulation of object orientation. In summary, rotation around the Y-axis is an essential tool in the realm of 3D transformations, allowing for a richer and more realistic representation of objects in a three-dimensional space.