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Game Programming using Qt 5 Beginner's Guide - Second Edition by Lorenz Haas, Witold Wysota, Pavel Strakhov

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Time for action – Animating the car dashboard

Let's employ the knowledge we just learned to improve the car dashboard we created in the previous chapter. We will use animations to show some realism in the way the clocks update their values.

Open the dashboard project and navigate to the main.qml file. Find the declaration of the Needle object, which is responsible for visualizing the speed of the vehicle. Add the following declaration to the object:

Behavior on rotation {    SmoothedAnimation {         velocity: 50     }} 

Repeat the process for the left clock. Set the velocity of the animation to 100. Build and run the project. See how the needles behave when you modify the parameter values in spin boxes. Adjust the velocity of each animation until you ...

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