Introduction to Godot’s AnimationPlayer | Kodeco


From a humble stroll to massive bosses and fancy UI components, video video games are all about animations! In Godot, you’ll be able to create animations utilizing the AnimationPlayer node and a versatile animation system permitting you to create your personal animations utilizing a timeline. You may make nodes transfer, change shade, make sounds or anything over time in Godot.

On this article, you’ll find out how animations in Godot work and create your personal utilizing the AnimationPlayer node. Right here’s a abstract of what you’ll be taught:

  • Animate the place and shade of a sprite
  • Get acquainted with the AnimationPlayer node and the Animation panel
  • Create a cutout animation
  • Use different observe sorts to orchestrate animations and play sound results
Observe: This text assumes you’re acquainted with Godot’s editor. Should you’re not, try the Getting Began article.

The top results of this tutorial will probably be an animated title card and a robotic arm that drills right into a block.

Full project

Getting Began

To get began, obtain the mission supplies through the Obtain Supplies hyperlink on the high and backside of this web page. Subsequent, import and edit the starter mission in Godot.

Important Scene

As soon as the mission is loaded, you’ll be greeted by the important scene, which consists of a Background sprite and two hidden nodes for later use: a Robotic Arm and a Block.

Main nodes

Should you run the mission, you must see simply the background sprite.

Background sprite

File Overview

Now check out the FileSystem tab to see the included assets.

Files

Right here’s an summary of the recordsdata and folders:

  • scenes: Comprises the principle scene
  • scripts: There’s a single script right here used to animate the hidden Block node
  • sounds: This folder holds the drill sound impact for the robotic arm
  • sprites: All sprites used all through the mission, together with the elements of the robotic arm and the background
  • credit score.txt: Credit for the mission belongings
  • icon.svg: The default icon for the mission

Now you may have a grasp of what the mission appears like, you’re able to know extra concerning the AnimationPlayer node!

What’s an AnimationPlayer?

The AnimationPlayer node holds animations and means that you can play, pause, and cease them. It will probably manipulate the properties of nodes within the scene and interpolate them over time. For instance, you’ll be able to transfer a sprite, make characters blink and alter the fabric of a mesh.

This node is among the extra highly effective ones in Godot, and also you’ll discover makes use of for it in virtually each mission. Mixed with the Animation panel, the AnimationPlayer node provides you the instruments it’s good to create your personal animations.

Animation Necessities

On your first animation, you’ll be animating the place and shade of a title sprite so it strikes into the display and fades out.

Title animation

This may cowl the fundamentals of create an animation from scratch.

Making ready the Scene

First up, you’ll want the sprite for the title card. Add it to the scene as a toddler of the Important root node by dragging the title.png from the sprites folder into the viewport.

Drag title sprite

Choose the brand new Title node this created and alter its place to (X: 630, Y: 160) through the Inspector so it’s on the high of the display.

Title position

With the title in place, you’ll be able to create an AnimationPlayer node. Go forward and create a brand new AnimationPlayer node as a toddler of the Important root node. To do that, right-click the basis node and choose Add Youngster Node… within the context menu.

Add child node

Subsequent, filter for AnimationPlayer within the search bar on the high and double-click the AnimationPlayer possibility so as to add it to the scene.

Animation player

To maintain observe of its goal, rename this new AnimationPlayer node TitleAnimationPlayer.
Choose the TitleAnimationPlayer node and you must see the Animation panel opening on the backside of the editor.

Animation panel

That is the place the magic occurs! Within the subsequent part you’ll be creating the animation itself.

Creating the Animation

Create a brand new animation by clicking the Animation button within the Animation panel and choosing New.

New animation

A dialog window will pop up asking for the identify of the animation. Enter title because the identify and click on OK to create the animation.
The timeline will now be proven within the area beneath the Animation button.

Timeline

The title animation will take 2 seconds to finish, so change the animation size to 2 seconds on the far proper of the animation panel, subsequent to the clock icon.

Animation length

Including Keyframes

The whole lot is now prepared to start out including keyframes. Keyframes are closing dates within the animation the place a price modifications. The animation will interpolate between these keyframes over time.
To indicate how this works in follow, choose the Title node within the scene and try the Inspector. With the Animation panel opened, you’ll see key buttons subsequent to node properties.

Key icons

These buttons will add a keyframe to the animation on the present place within the timeline. Click on the keyframe button subsequent to the Place property to provide it a shot. After doing so, you’ll see a dialog window asking you if you wish to create a brand new observe and a key.

Create track

An animation observe is a set of keyframes. You’ll want a separate observe for every property you need to animate. That approach, you’ll be able to animate a number of properties on the similar time.

There are two checkboxes right here: Use Bezier Curves and Create RESET Observe(s). The previous will allow bezier curves for the animation observe, which gives you handles to regulate the form of the curve to high-quality tune the animation. The latter will create an additional RESET animation with the identical property observe that can reset the property to its default worth.

You’ll be able to maintain each checkboxes at their default values right here, as you gained’t be needing bezier curves. Click on Create to create the animation tracks.

Now take one other take a look at the Animation panel. As you’ll be able to see, there’s a observe now for the Place property of the Title node. There’s additionally a keyframe now at first of the timeline, represented by a diamond form.

Position track

A single keyframe gained’t do something, so that you’ll want so as to add one other to create an animation. To take action, you’ll have to set the time the place you need your new keyframe to be added. Transfer the time slider to 0.8 second mark by dragging your cursor on the timeline header (the numbers on the high) or by setting it straight within the animation place property on the high left. If you wish to see smaller increments on the time header, maintain the CTRL/CMD key and scroll up.

Change time position

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