cross_product - Online Linux Manual PageSection : 3
Updated : version 4.4.3
Source : Allegro
Note : Allegro manual

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NAMEcross_product, cross_product_f − Calculates the cross product. Allegro game programming library.​

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SYNOPSIS#include <allegro.h> void cross_product(fixed x1, y1, z1, x2, y2, z2, *xout, *yout, *zout); void cross_product_f(float x1, y1, z1, x2, y2, z2, *xout, *yout, *zout);

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DESCRIPTIONCalculates the cross product (x1, y1, z1) x (x2, y2, z2), storing the result in (*xout, *yout, *zout). The cross product is perpendicular to both of the input vectors, so it can be used to generate polygon normals.

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SEE ALSOdot_product(3), polygon_z_normal(3), normalize_vector(3), exstars(3) 0

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