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Sync the position of entity with respect to two animations in AFrame

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by Abdul Rawoof A R dot icon Updated: Jan 24, 2024

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AFrame is an open-supply net framework for constructing digital reality (VR) experiences. Developers from Supermedium (Diego Marcos, Kevin Ngo) and Google (Don McCurdy) maintain it.  


A-Frame is an entity thing device framework for Three.js. Developers can use it to create 3D and WebVR scenes using HTML. Word processing and graphic arts often use frames to help focus a viewer's attention. In information or community communications, a body is a information transmission unit. It has a header to show the beginning and end of a data block. In this kit, we will see how to sync the position of an entity of about two animations. Both animations are inside the same entity tag in aframe. I'll show you how to do this with simple steps. 


Please check the code below to know how to sync the position of an entity with respect to two animations in AFrame.

Fig : Preview of the output that you will get on running this code from your IDE.

Code

In this solution we're using AFrame library.

How to sync the position of entity with respect to two animations present inside same entity tag in aframe?

Lines of Code : 42dotLicense : Strong Copyleft (CC BY-SA 4.0)

Dependent Libraries : 
<script src="https://aframe.io/releases/1.2.0/aframe.min.js"></script>
<script>
  AFRAME.registerComponent("animation-manager", {
    init: function() {
      // bind updateAnimation() so that we have new functions
      // doing exactly what we need
      this.rotateClockwise = this.updateAnimation.bind(this, 1);
      this.rotateCounterClockwise = this.updateAnimation.bind(this, -1);

      // bind the above functions to mouseenter/mouseleave
      this.el.addEventListener("mouseenter", this.rotateClockwise)
      this.el.addEventListener("mouseleave", this.rotateCounterClockwise)
    },
    updateAnimation: (function() {
      // this is an IIFE - there two vectors are created only once
      // even though the returned function is called multiple times
      const fromRotation = new THREE.Vector3();
      const toRotation = new THREE.Vector3();

      return function(dir) {
        // get current rotation, and move the target rotation by 360 or -360
        // depending on the direction
        fromRotation.copy(this.el.getAttribute("rotation"));
        toRotation.copy(this.el.getAttribute("rotation"));
        toRotation.y += dir * 360

        // update the animation
        this.el.setAttribute("animation", {
          "from": AFRAME.utils.coordinates.stringify(fromRotation),
          "to": AFRAME.utils.coordinates.stringify(toRotation),
          "dur": dir == -1 ? "8000" : "1000"
        })
      }
    })()
  })
</script>
<a-scene cursor="rayOrigin: mouse" raycaster="objects: a-box">
  <a-box position="0 1 -4" color="blue" animation-manager 
         animation="property: rotation; to:0 -360 0; loop:true; easing:linear; dur:8000">
    <a-sphere position="2 0 0" color="green" radius="0.25" foo></a-sphere>
  </a-box>
</a-scene>

Instructions

Follow the steps carefully to get the output easily.

  1. Install Visual Studio Code IDE.
  2. Create a new html file.
  3. Copy the code snippet using 'copy' button and paste it in that html file in your IDE.
  4. Save the file and run the html file directly from the file location to get the output.


I hope you found this useful. I have added the link to dependent library, version information in the following sections.


I found this code snippet by searching for 'sync the position of entity with respect to two animations in aframe' in kandi. You can try any such use case!

Dependent Library

aframeby aframevr

JavaScript doticonstar image 15445 doticonVersion:v1.4.2doticon
License: Permissive (MIT)

:a: Web framework for building virtual reality experiences.

Support
    Quality
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            aframeby aframevr

            JavaScript doticon star image 15445 doticonVersion:v1.4.2doticon License: Permissive (MIT)

            :a: Web framework for building virtual reality experiences.
            Support
              Quality
                Security
                  License
                    Reuse

                      You can also search for any dependent libraries on kandi like 'aframe'.

                      Environment Tested

                      I tested this solution in the following versions. Be mindful of changes when working with other versions.

                      1. The solution is created in Visual Studio Code 1.73.1.
                      2. AFrame version-0.7.0.


                      Using this solution, we are able to sync the position of entity with respect to two animations in AFrame with simple steps. This process also facilities an easy way to use, hassle-free method to create a hands-on working version of code which would help us to sync the position of entity with respect to two animations in AFrame.

                      FAQ 

                       1. What is aframe? 

                       A-Frame is an open-source web framework. It uses HTML to build virtual reality experiences.  


                      2. Who maintains aframe?  

                      Diego Marcos, Kevin Ngo, and Don McCurdy work for Supermedium and Google. They are the people taking care of A-Frame.  


                      3. How does aframe work? 

                       A-Frame is an entity element gadget framework for Three.js. It allows developers to create 3D and WebVR scenes using HTML. 


                      4. What is a frame in word processing and graphic arts? 

                      In word processing and graphic arts, a frame helps focus a viewer's attention. 


                      5. What is a frame in data or network communications? 

                      In records or community communications, a body is a records transmission unit. It has a header indicating the beginning and end of a data block. 

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