[英]How to animate the change when setting attribute using Javascript in A-frame
[英]A-frame : how to change image using javascript
更改图像需要什么 JavaScript? 我不知道如何定位他们:
<a-scene stats>
<a-sky src="../1/img/2.jpg"></a-sky>
<a-assets>
<img id="my-image" src="../1/img/bear.png" >
<img id="bear2" src="../1/img/bear.png" >
<img id="bear3" src="../1/img/bear.png" >
</a-assets>
<!-- Using the asset management system. -->
<a-image src="#my-image" width="10" height="10" position="-5 1 -7" rotation="0 10 0"></a-image>
<a-image src="#bear2" width="10" height="10" position="5 1 -5" rotation="0 -60 0"></a-image>
<a-image src="#bear3" width="150" height="150" position="-45 2 100"></a-image>
<!-- Defining the URL inline. Not recommended but more comfortable for web developers.-->
document.querySelector('#my-image').setAttribute('src', 'foo.jpg')
https://aframe.io/docs/0.4.0/guides/using-javascript-and-dom-apis.html
首先,我想使用 A-Frame 组件来确保加载了相应的元素,并将 src 值更改为存储在资产中的任何 id 以动态更改图像,假设组件名称为“my-image-comp”通过这样做:
AFRAME.registerComponent("my-image-comp", {
init: function () {
this.a_image = document.querySelector("a-image");
setTimeout(() => {
this.a_image.setAttribute("src", "#my-image-next");
this.a_image.components.material.flushToDOM(true);
}, 5000);
},
});
这是html,在我删除了一些元素以简化之后:
<a-assets>
<img id="my-image" src="../1/img/bear.png" >
<img id="my-image-next" src="../1/img/bear-next.png" >
</a-assets>
<a-image
my-image-comp
src="#my-image"
width="10"
height="10"
position="-5 1 -7"
rotation="0 10 0"
></a-image>
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