Write and discuss Z-Buffer algorithm with suitable example. What are the maximum number of objects that can be handled by the Z-buffer algorithm? What will happen if Z-buffer algorithm is used and it is found that two polygons have same Z-value?

The Z-Buffer algorithm, also known as depth buffering, is a fundamental technique used in computer graphics to determine which objects are visible in a scene and which are obscured by others. It works by storing the depth, or Z-coordinate, of each pixel in a buffer as the scene is rendered. When rendering a new object, the Z-Buffer algorithm compares the depth of each pixel of the object with the corresponding depth stored in the buffer. If the new object is closer to the viewer, its pixels replace those in the buffer, indicating that they are visible. If the new object ______ ___ _____ ___ _____ ______.
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