VrpnButtonDevice Class
A class for the VRPN plugin add-on that allows receiving data about states of input device buttons.
See Also
- Article on VRPN Plugin Add-On
VrpnButtonDevice Class
Members
void setButtonCallback(string name)
Sets the world script callback function that receives data about input device buttons.Notice
The callback function should be defined in the world script and receive 2 arguments - a button number and state.
Source code (UnigineScript)
void callback_func(int button,int state) {
// function logic
}Arguments
- string name - Callback function name.
Examples
Source code (UnigineScript)
VrpnButtonDevice vrpn_button;
int init() {
// create an instance of VrpnButtonDevice
vrpn_button = new VrpnButtonDevice("device_name@server_addr");
// set a callback
vrpn_button.setButtonCallback("button_callback");
return 1;
}
int shutdown() {
delete vrpn_button;
return 1;
}
int update() {
vrpn_button.update();
return 1;
}
// a callback function
void button_callback(int button,int state) {
log.message("Device button %d: %d\n",button,state);
}string getButtonCallback()
Returns a name of the world script callback function that receives data about input device buttons. The callback function should be defined in the world script and receive 2 arguments - a button number and state.Source code (UnigineScript)
void callback_func(int button,int state) {
// function logic
}Return value
Callback function name.void update()
Updates the internal state of the device and receives input data.Notice
This function should be called each frame.
VrpnButtonDevice(string name)
Constructor.Arguments
- string name - Path to the device in the format device_name@server_address.
Last update: 2018-08-10
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