Game Development
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You're reading from  Mathematics for Game Programming and Computer Graphics

Product typeBook
Published inNov 2022
PublisherPackt
ISBN-139781801077330
Edition1st Edition
Tools
OpenGL
Concepts
Game Optimization
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Author (1)
Penny de Byl
Penny de Byl
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Penny de Byl

Penny de Byl is a full stack developer with an honors in graphics and Ph.D. in artificial intelligence for games. She has a passion for teaching, teaching games development and computer graphics for over 25 years in universities in Australia and Europe. Her best-selling textbooks, including Holistic Game Development with Unity, are used in over 100 institutions. She has won numerous awards for teaching, including an Australian Government Excellence in Teaching Award and the Unity Mobile Game Curriculum Competition. Her approach to teaching computer science and related fields is project-based giving you hands-on workshops you can immediately get your teeth into. The full range of her teaching interests can be found at H3D Learn.
Read more about Penny de Byl

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Working with mouse interactions

The position of the mouse on the screen is recorded as a pixel location based on the screen coordinate system. As you discovered in earlier chapters, the screen coordinate system by default has its origin in the upper-left corner of the graphics window.

The actions that can be taken with a mouse include the following:

  • Pressing down any of the mouse buttons with a finger, including the left, right, and middle buttons
  • Releasing a finger press on any of the mouse buttons
  • Moving the mouse without pressing any buttons
  • Dragging, which is moving the mouse while a button is being held
  • Scrolling, in which the user’s finger turns the mouse wheel, or on a touchpad or touch mouse, gliding the finger over the surface either vertically or horizontally

The mouse can be used for selecting objects, moving objects, clicking on buttons or input fields, moving the camera, and drawing on the screen. Many of these functions will be...

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Mathematics for Game Programming and Computer Graphics
Published in: Nov 2022Publisher: PacktISBN-13: 9781801077330
© 2022 Packt Publishing Limited All Rights Reserved

Author (1)

author image
Penny de Byl

Penny de Byl is a full stack developer with an honors in graphics and Ph.D. in artificial intelligence for games. She has a passion for teaching, teaching games development and computer graphics for over 25 years in universities in Australia and Europe. Her best-selling textbooks, including Holistic Game Development with Unity, are used in over 100 institutions. She has won numerous awards for teaching, including an Australian Government Excellence in Teaching Award and the Unity Mobile Game Curriculum Competition. Her approach to teaching computer science and related fields is project-based giving you hands-on workshops you can immediately get your teeth into. The full range of her teaching interests can be found at H3D Learn.
Read more about Penny de Byl

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