July 2018
Intermediate to advanced
462 pages
12h 2m
English
Content preview from Qt5 Python GUI Programming Cookbook
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How to do it...
The setKeyValueAt method of the QPropertyAnimation class determines the direction of an animation. For guided animation, you invoke the setKeyValueAt method in a loop. The coordinates of the curve are passed to the setKeyValueAt method in the loop to make the ball animate along the curve. Here are the steps to make an object animate as desired:
- Create a new application based on the Dialog without Buttons template.
- Drag and drop a Label widget and one Push Button widget onto the form.
- Set the text property of the Push Button widget to Move With Curve.
- Assuming you have a ball image on your computer with the filename coloredball.jpg, you can assign this ball image to the Label widget by using its pixmap property.
- In the pixmap ...
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