https://www.learnopengles.com/tag/touch-events/Recent content in touch events on Learn OpenGL ESHugoen-USWed, 28 Jul 2021 19:24:16 +0000https://www.learnopengles.com/finishing-up-our-native-air-hockey-project-with-touch-events-and-basic-collision-detection/Fri, 08 Nov 2013 14:51:43 +0000https://www.learnopengles.com/finishing-up-our-native-air-hockey-project-with-touch-events-and-basic-collision-detection/In this post in the air hockey series, we’re going to wrap up our air hockey project and add touch event handling and basic collision detection with support for Android, iOS, and emscripten. Prerequisites This lesson continues the air hockey project series, building upon the code from GitHub for ‘article-3-matrices-and-objects’. Here are the previous posts in this series: …https://www.learnopengles.com/listening-to-android-touch-events-and-acting-on-them/Sat, 25 Feb 2012 21:00:20 +0000https://www.learnopengles.com/listening-to-android-touch-events-and-acting-on-them/We started listening to touch events in Android Lesson Five: An Introduction to Blending, and in that lesson, we listened to touch events and used them to change our OpenGL state. To listen to touch events, you first need to subclass GLSurfaceView and create your own custom view. In that view, you create a default …https://www.learnopengles.com/android-lesson-five-an-introduction-to-blending/Mon, 03 Oct 2011 00:49:59 +0000https://www.learnopengles.com/android-lesson-five-an-introduction-to-blending/In this lesson we’ll take a look at the basics of blending in OpenGL. We’ll look at how to turn blending on and off, how to set different blending modes, and how different blending modes mimic real-life effects. In a later lesson, we’ll also look at how to use the alpha channel, how to use …