Simulation method and training system of grenade gun based on virtual reality

The invention relates to a simulation method and a training system of a grenade gun based on virtual reality, and the simulation method and the training system of the grenade gun based on virtual reality are characterized in that for the simulation method, the simulation method comprises the following steps: a, building a three-dimensional virtual space, and constructing a grenade body 3D model; b, analyzing basic parameters of a grenade body to obtain an initial flight state of the grenade body, and simultaneously establishing a ballistic equation under a standard condition; c, calculating ballistic data of the obtained grenade ballistic equation by adopting a fourth-order Runge-Kutta method; d, the calculated ballistic data are input into a Unity 3D simulation environment; and e, according to basic parameters at least including grenade charging and shell thickness, simulating fragment cloud and metal jet flow through the special effect of the simulation explosion particles, and completing weapon trajectory