Description: Fog, in the context of firecrackers and 3D rendering, refers to the smoke produced by the combustion of these explosive devices, which can create a fog-like visual effect in the air. This phenomenon is characterized by its ability to scatter light, generating a dense and enveloping atmosphere that can alter the perception of space and distance. In the realm of 3D rendering, fog is used as both an aesthetic and technical resource to simulate atmospheric conditions, adding depth and realism to scenes. Fog can be adjusted in terms of density and color, allowing digital artists to create environments that evoke different moods, from calmness and serenity to tension and mystery. This effect is especially relevant in the creation of video games and animated films, where atmosphere plays a crucial role in visual storytelling. Fog not only beautifies the scene but can also serve to obscure unwanted details, guiding the viewer’s attention to key elements of the composition.