[英]Resizing box in real time
I am trying to resize a cube whenever a new value is set in the input text-box.每当在输入文本框中设置新值时,我都会尝试调整多维数据集的大小。 So far i have come across something similar, but it changes the cube only after a button is pressed.到目前为止,我遇到过类似的东西,但只有在按下按钮后它才会改变立方体。
http://jsfiddle.net/EtSf3/3/ http://jsfiddle.net/EtSf3/3/
document.getElementById('btn').addEventListener('click', function(e) {
var inputs = document.getElementsByClassName('numeric-textbox');
cube.scale.x = parseFloat(inputs[0].value) || cube.scale.x;
cube.scale.z = parseFloat(inputs[1].value) || cube.scale.z;
cube.scale.y = parseFloat(inputs[2].value) || cube.scale.y;
});
Just have to add onChange to the input fields that triggers a function to call the resize.只需将 onChange 添加到触发 function 的输入字段即可调用调整大小。
<input class="numeric-textbox" type="text" value="" onChange="resCube();">
function resCube() {
var inputs = document.getElementsByClassName('numeric-textbox');
cube.scale.x = parseFloat(inputs[0].value) || cube.scale.x;
cube.scale.z = parseFloat(inputs[1].value) || cube.scale.z;
cube.scale.y = parseFloat(inputs[2].value) || cube.scale.y;
}
Change your html to this:将您的 html 更改为:
<script src="http://www.html5canvastutorials.com/libraries/three.min.js"></script>
<div id="container"></div>
<div class="inputRow clear" id="dimensionsNotRound" data-role="tooltip">
<label class="grid-8">Dimensions (mm):</label>
<br/>
<br/>
<div> <span>Length</span>
<input class="numeric-textbox" id='x' type="text" value="" onkeyup="updateRect(this.id, this.value)">
<br/>
<br/>
</div>
<div> <span>Width</span>
<input class="numeric-textbox" id='y' type="text" value="" onkeyup="updateRect(this.id, this.value)">
<br/>
<br/>
</div>
<div> <span>Height</span>
<input class="numeric-textbox" id='z' type="text" value="" onkeyup="updateRect(this.id, this.value)">
<br/>
<br/>
</div>
</div>
And change this function:并更改此 function:
//Script for 3D Box
document.getElementById('btn').addEventListener('click', function(e) {
var inputs = document.getElementsByClassName('numeric-textbox');
cube.scale.x = parseFloat(inputs[0].value) || cube.scale.x;
cube.scale.z = parseFloat(inputs[1].value) || cube.scale.z;
cube.scale.y = parseFloat(inputs[2].value) || cube.scale.y;
});
to this:对此:
const changer = {
"x": (value) => cube.scale.x = parseFloat(value) || cube.scale.x,
"y": (value) => cube.scale.y = parseFloat(value) || cube.scale.y,
"z": (value) => cube.scale.z = parseFloat(value) || cube.scale.z,
}
function updateRect(axis, value){
changer[axis](value)
}
This should change the rectangle whenever you change the input value.每当您更改输入值时,这应该会更改矩形。 You can see on this updated fiddle: http://jsfiddle.net/v5md7ug8/您可以在这个更新的小提琴上看到: http://jsfiddle.net/v5md7ug8/
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