How to use HTML5Canvas to make keyboard and mouse animation

This article will explain in detail how to use HTML5Canvas to make keyboard and mouse animation. The content of the article is of high quality, so the editor will share it with you for reference. I hope you will have a certain understanding of the relevant knowledge after reading this article.

Keyboard controls the movement of the ball

As we all know, the animation we see is actually a series of static pictures that switch quickly, so that the visual effect of "the picture is moving" is produced by the naked eye because of the visual remnants. Once you understand this, it is relatively easy to draw animation effects on canvas. We just need to clear a static graph first, and then redraw it in another location, so repeatedly, let the static graph move according to a certain trajectory, we can produce animation effect.

Next, we draw a solid ball on canvas, and then use the arrow keys on the keyboard to control the movement of the ball to produce a dynamic effect. The sample code is as follows:

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An example of getting started with html5 canvas drawing a movable ball