This page has been translated automatically.
编程
Fundamentals
Setting Up Development Environment
UnigineScript
High-Level Systems
C++
C#
UUSL (Unified UNIGINE Shader Language)
File Formats
Rebuilding the Engine and Tools
GUI
Double Precision Coordinates
应用程序接口
Containers
Common Functionality
Controls-Related Classes
Engine-Related Classes
Filesystem Functionality
GUI-Related Classes
Math Functionality
Node-Related Classes
Networking Functionality
Pathfinding-Related Classes
Physics-Related Classes
Rendering-Related Classes
注意! 这个版本的文档是过时的,因为它描述了一个较老的SDK版本!请切换到最新SDK版本的文档。
注意! 这个版本的文档描述了一个不再受支持的旧SDK版本!请升级到最新的SDK版本。

VrpnButtonDevice Class

A class for the VRPN plugin add-on that allows receiving data about states of input device buttons.

See Also

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: 2017-07-03
Build: ()