60 lines
1.8 KiB
Lua
60 lines
1.8 KiB
Lua
-- This first example, maintaining tradition, prints a "Hello World" message.
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-- Furthermore it shows:
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-- - Using the Sample utility functions as a base for the application
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-- - Adding a Text element to the graphical user interface
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-- - Subscribing to and handling of update events
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require "LuaScripts/Utilities/Sample"
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function Start()
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-- Execute the common startup for samples
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SampleStart()
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-- Create "Hello World" Text
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CreateText()
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-- Set the mouse mode to use in the sample
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SampleInitMouseMode(MM_FREE)
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-- Finally, hook-up this HelloWorld instance to handle update events
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SubscribeToEvents()
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end
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function CreateText()
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-- Construct new Text object
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local helloText = Text:new()
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-- Set String to display
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helloText.text = "Hello World from Urho3D!"
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-- Set font and text color
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helloText:SetFont(cache:GetResource("Font", "Fonts/Anonymous Pro.ttf"), 30)
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helloText.color = Color(0.0, 1.0, 0.0)
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-- Align Text center-screen
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helloText.horizontalAlignment = HA_CENTER
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helloText.verticalAlignment = VA_CENTER
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-- Add Text instance to the UI root element
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ui.root:AddChild(helloText)
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end
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function SubscribeToEvents()
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-- Subscribe HandleUpdate() function for processing update events
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SubscribeToEvent("Update", "HandleUpdate")
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end
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function HandleUpdate(eventType, eventData)
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-- Do nothing for now, could be extended to eg. animate the display
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end
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-- Create XML patch instructions for screen joystick layout specific to this sample app
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function GetScreenJoystickPatchString()
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return
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"<patch>" ..
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" <add sel=\"/element/element[./attribute[@name='Name' and @value='Hat0']]\">" ..
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" <attribute name=\"Is Visible\" value=\"false\" />" ..
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" </add>" ..
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"</patch>"
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end
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