To create a WebGL-glTF based document, select WebGL-glTF Standard or WebGL-glTF Extended from Advanced intent of Home screen.
WebGL is an open web standard for rendering graphics on any compatible browser, without the need for additional plug-ins. WebGL is integrated completely into all the web standards of the browser allowing GPU accelerated usage of image processing and effects as part of the web page canvas. WebGL elements can be embedded with other HTML elements and composited with other parts of the page.
Although, most modern-day browsers support WebGL, visit this link to know more details about the exact versions that are supported.
Some browsers do not have WebGL enabled by default. To enable WebGL on your browser, see this article.
Ensure that you enable WebGL on your browser, because some browsers disable WebGL by default.
Animate now has two WebGL-glTF document types. You can use WebGL-glTF Standard document type to allow integration with any of the standard WebGL-glTF packages. It is is completely standards-compliant.
To create a WebGL-glTF based document, select WebGL-glTF Standard or WebGL-glTF Extended from Advanced intent of Home screen.
Specify the Width, Height, and Units as per your requirement and click Create.
Click Publish Settings from the Properties Inspector.
Type a name in the Output name textbox.
Select GLB or GLTF in Format option.
Specify a decimal number with 1-3 range in the Image Resolution textbox.
Check the Remove white spaces in JSON file to reduce file size.
By default, the standard options Loop timeline and Include hidden layers are checked. You can uncheck them to find any small errors.
Click the Publish button to publish the file.
WebGL-glTF and GLB reduces the file size and runtime processing. On Animate, you can use the documents in both the formats. Want to use your videos in both the formats? Watch the tutorial at the end of this example and follow these steps.
In the Properties, click Publish Settings.
Type a name in the Output name textbox.
Select GLB or GLTF in Format option.
Specify a decimal number with 3 range in the Image Resolution textbox.
Check the Remove white spaces in JSON file to reduce file size.
You can refer to the following content if you are using Animate 18.0 or any of the earlier versions of Animate.
Animate allows you to create and publish rich interactive content to the Web Graphics Library (WebGL) format. Since WebGL is fully integrated into browsers, it allows Animate to leverage GPU accelerated usage of graphics processing and rendering, as part of the web page canvas.
This new document type allows you to create content and quickly publish to a WebGL output. You can leverage powerful tools within Animate to create rich content, but render WebGL output that runs on any compatible browser. This means that you can use the traditional Animate timeline, workspace, and drawing tools to natively author and produce WebGL content. Most commonly used browsers support WebGL, there by, allowing Animate to render content on most web platforms.
Support for WebGL is only available as preview. This update of Animate includes support for basic animations with sound and scripting, and a set of interactivity features. With future releases of Animate, you will see more features being enabled for the WebGL document type. For a complete list of Animate features that are supported for WebGL, see this KB article.
In Animate, the WebGL document allows you to quickly create and publish content for the WebGL format. To create a WebGL document:
You can use the Test Movie feature of Animate to preview or test your content. To preview, do the following:
Animate allows you to create and publish WebGL content natively from within.
To publish your WebGL document, do the following:
Output file
Provide a meaningful name for the output. Also, browse to or enter the location where you want to publish the WebGL output.
Overwrite HTML
Lets you specify whether to overwrite the HTML Wrapper or not everytime you publish your WebGL project. You may uncheck this option if you have made any external changes to the published HTML file and wish to retain them while updating any changes made to the animation or assets in Animate.
Include Hidden Layers
Includes all hidden layers in the WebGL output. Deselecting Include Hidden Layers prevents all layers (including layers nested inside movie clips) marked as hidden from being exported in the resulting WebGL. This lets you easily test different versions of WebGL document by making layers invisible.
Loop Timeline
Repeats the content when it reaches the last frame. Deselect this option to stop the content when it reaches the last frame.
The maximum FPS that could specified for WebGL content that run on browsers is 60FPS.
The published WebGL output contains the following files:
HTML Wrapper file
It includes the runtime, calls for assets, and also, initializes the WebGL renderer. The file is named as <FLA_name>.html by default. You can provide a different name for the HTML file in the Publish Settings dialog (File > Publish Settings).
The HTML file is placed in the same directory as that of the FLA by default. You can provide a different location on the Publish Settings dialog.
JavaScript File (WebGL Runtime)
Renders published content on WebGL. Is published in the libs/ folder of the WebGL document. The file is named as: flwebgl-<version>.min.js
The HTML wrapper makes use of this JS file to render WebGL content.
Texture Atlas
Stores all the color value ( of shapes ) including the bitmap instances on the stage.
You can import and embed audio to the your WebGL document, control the playback using the sync settings (event, start, and stop), and play timeline audio at runtime. WebGL currently supports only .wav and .mp3 formats.
For more information on working with audio, see Using Sounds in Animate.
You can migrate existing content within Animate to a WebGL document. To its end, Animate allows you to migrate via copying or importing content manually. Also, when working with multiple documents within Animate, it is a common practice to copy content across documents as Layers or assets in the Library. Although, most features of Animate are supported, some content types are modified to better accommodate the WebGL format.
Animate contains several powerful features that help produce visually rich content. However, considering that some of these features are native to Animate, they will not be supported in a WebGL document. Animate has been designed to modify such content to a supported format, and visually indicate when a tool or feature is not supported.
Copy
content (layers or library symbols) from a traditional Animate document type (such as ActionScript 3.0, AIR for Android, AIR for Desktop, and so on) into a WebGL document. In this case, an unsupported content-type is either removed or converted to supported defaults.
For example, copying 3D animation will remove all 3D transformations applied to objects on stage.
Import
a PSD or AI file that contain unsupported content. In this case, the content is either removed or converted to supported defaults.
For example, import a PSD file that has Blur effects applied. Animate removes the effect.
Work
with multiple document types (for example, ActionScript 3.0 and WebGL) simultaneously, you switch documents with an unsupported tool or option selected. In this case, Animate visually indicates that the feature is not supported.
For example, you created a dotted line in an ActionScript 3.0 document and switch to WebGL with the Line tool still selected. Observe the pointer and the Properties Inspector, they visually indicate that dotted line is not supported within WebGL.
Scripts
You can write Javascript code in the Actions panel, which will be executed after player enters the frame. The 'this' variable in the context of frame scripts refers to the instance of the MovieClip it belongs to. In addition, frame scripts can access Javascript functions and variables declared in the container HTML file. When you copy a frame or layer from an ActionScript document and paste it in a WebGL document, scripts if any will be commented.
The following are the types of changes that are applied when you migrate legacy content to an WebGL document.
Content is removed
Content types that are not supported in HTML5 Canvas are removed. For example:
Filters
are not supported. The effect will be removed, and the shape will assume a solid fill, instead.
Content is modified to a supported default value
Content type or feature is supported, but a property of the feature is not. For example:
Radial Gradient
is modified to assume Solid fill using the primary color.
Runtime bitmap caching lets you optimize rendering performance by specifying that a static movie clip (for example, a background image) or button symbol be cached as a bitmap at runtime. By default, vector items are redrawn in every frame. Caching a movie clip or button symbol as a bitmap prevents the browser from having to continually redraw the item, because the image is a bitmap and its position does not change. This provides a significant improvement in performance of rendering WebGL content.
For example, when you create an animation with a complex background, create a movie clip containing all the items included in the background. Then select Cache as Bitmap for the background movie clip in the Property inspector. During playback, the background is rendered as a bitmap stored at the current screen depth. Browser draws the bitmap on the Stage quickly and only once, letting the animation play faster and more smoothly.
Bitmap caching lets you use a movie clip and freeze it in place automatically. If a region changes, vector data updates the bitmap cache. This process minimizes the number of redraws that browser must perform, and provides smoother, faster rendering performance.
To enable Cache as Bitmap property for a movieclip symbol, select the movieclip instance, and select Cache as Bitmap from the Render drop-down on Properties Inspector (Window > Properties).
When using Cache as Bitmap property on WebGL content, consider the following:
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