Method infront

game/src/main/java/jake2/game/GameUtil.java:227–240

Returns true if the entity is in front (in sight) of self

(SubgameEntity self, edict_t other)

     * Returns true if the entity is in front (in sight) of self
     */
    public static boolean infront(SubgameEntity self, edict_t other) {
        float[] vec = { 0, 0, 0 };
        float dot;
        float[] forward = { 0, 0, 0 };

        Math3D.AngleVectors(self.s.angles, forward, null, null);
        Math3D.VectorSubtract(other.s.origin, self.s.origin, vec);
        Math3D.VectorNormalize(vec);
        dot = Math3D.DotProduct(vec, forward);

        if (dot > 0.3)
            return true;
        return false;
    }

    /**
     * Returns 1 if the entity is visible to self, even if not infront().