Messages

Gamma provides the ability to display messages to the player through gma.hud.

Note

When you create an instance of gma.manager, an instance of gma.hud is created for you which you can access through manager.hud

The function gma.hud.displayMessage accepts a string to display:

manager.hud.displayMessage("Greetings, traveller");

Use gma.hud.hideMessage to remove the message:

manager.hud.hideMessage();

You can specify an amount of time for the message to be displayed, after which the message is removed:

// Message is displayed for 1 second (1000 milliseconds)
manager.hud.displayMessage("Look out!", 1000);

Finally, you may specify a function to be called when the message is removed:

// Message is displayed for 1 second (1000 milliseconds)
// ... then the character jumps
manager.hud.displayMessage("Watch out, its jumping time!", 1000, function() {
    character.jump();
});

Style the messages

The message can be styled using CSS. Eg:

#message {
    font-family: Arial, san-serif;
    background-color:black;
    color: #99c;
    background-color: rgba(0, 0, 0, 0.7); /* CSS 3 transparencies */
}