Method and system for controlling camera to move and roam along with three-dimensional model

The invention discloses a control method and system for a camera to move and roam along with a three-dimensional model, and the method comprises the steps: prefabricating a model following and roaming plug-in, and adding the model following and roaming plug-in for the three-dimensional model in a three-dimensional model editing scene, performing initialization setting on an initial value of a camera position corresponding to the three-dimensional model; determining a node connection relationship between the model following roaming plug-in and external data according to the application request, and determining a position and an angle of a camera and a default view value according to a fixed view value; and based on the model following roaming plug-in, receiving a start following and surrounding event triggering instruction in real time, and driving the camera to start following or surrounding by taking the model as the center according to the event type and the action type of the start following and surroundin