Tag: snapshot

Tutorial: Paint Brushes, Trailing Object Effects, and More with the Snapshot Canvas

Today, I’m going to show you how to use snapshots to achieve the sorts of tricks you’d want to do in traditional CPU-based graphics.

One of the old school tricks is to be able to touch pixels on the frame buffer directly, or modify the pixels of an image directly. In a GPU world, you cannot do that b/c passing memory between the CPU and GPU is extremely expensive.

Snapshots to the rescue!


Tutorial: Snapshots

One of the new additions to Corona’s updated graphics engine is the snapshot feature. Snapshots allow you to create a single dynamic image from other images and manipulate it using 2.5D distortion and filter effects. Read further to learn about the core power of snapshots.