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  2. Baldur's Gate 3 - Wikipedia

    en.wikipedia.org/wiki/Baldur's_Gate_3

    [50] [51] Spike Chunsoft published the PlayStation 5 version in Japan on 21 December 2023. [ 52 ] [ 53 ] An Xbox Series X and Series S version was released on 7 December 2023, which was delayed due to performance issues on the Xbox Series S with splitscreen co-op, which was cut from the Series S version.

  3. Lightmap - Wikipedia

    en.wikipedia.org/wiki/Lightmap

    A surface can have a lightmap that has the same area, so a 1:1 ratio, or smaller, so the lightmap is stretched to fit. Lightmaps in games are usually colored texture maps. They are usually flat, without information about the light's direction, whilst some game engines use multiple lightmaps to provide approximate directional information to ...

  4. Sphere mapping - Wikipedia

    en.wikipedia.org/wiki/Sphere_mapping

    The map has been created as above, looking at the sphere along the z-axis. The texture coordinate of the center of the map is (0,0), and the sphere's image has radius 1. We are rendering an image in the same exact situation as the sphere, but the sphere has been replaced with a reflective object.

  5. 3-sphere - Wikipedia

    en.wikipedia.org/wiki/3-sphere

    The four Euclidean coordinates for S 3 are redundant since they are subject to the condition that x 0 2 + x 1 2 + x 2 2 + x 3 2 = 1. As a 3-dimensional manifold one should be able to parameterize S 3 by three coordinates, just as one can parameterize the 2-sphere using two coordinates (such as latitude and longitude ).

  6. Celestial sphere - Wikipedia

    en.wikipedia.org/wiki/Celestial_sphere

    Such globes map the constellations on the outside of a sphere, resulting in a mirror image of the constellations as seen from Earth. The oldest surviving example of such an artifact is the globe of the Farnese Atlas sculpture, a 2nd-century copy of an older ( Hellenistic period , ca. 120 BCE) work.

  7. Equinox (celestial coordinates) - Wikipedia

    en.wikipedia.org/wiki/Equinox_(celestial...

    In astronomy, an equinox is either of two places on the celestial sphere at which the ecliptic intersects the celestial equator. [1] [2] [3] Although there are two such intersections, the equinox associated with the Sun's ascending node is used as the conventional origin of celestial coordinate systems and referred to simply as "the equinox".

  8. Codes for electromagnetic scattering by spheres - Wikipedia

    en.wikipedia.org/wiki/Codes_for_electromagnetic...

    Light scattering by a coated sphere (extinction efficiency, scattering efficiency, light scattering intensity) 2009-2022 Scattnlay: O. Pena, U. Pal, K. Ladutenko [16] C++, Python, and JavaScript: GPLv3 Light scattering from a multilayered sphere based on the algorithm by W Yang. [17] Very robust and stable, slower than Toon and Ackerman.

  9. Regular map (graph theory) - Wikipedia

    en.wikipedia.org/wiki/Regular_map_(graph_theory)

    In this definition the faces are the orbits of F = <r 0, r 1 >, edges are the orbits of E = <r 0, r 2 >, and vertices are the orbits of V = <r 1, r 2 >. More abstractly, the automorphism group of any regular map is the non-degenerate, homomorphic image of a <2,m,n>- triangle group .