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我的Javascript代碼在JSFiddle之外不起作用

[英]My Javascript Code doesnt work outside of JSFiddle

出於某些奇怪的原因,我的代碼將在JSFiddle中加載並工作,但是當我嘗試在JSFiddle之外使用它時,它將無法工作。 有人知道解決方法嗎? 還是發生了什么? 鏈接到JSFiddle ... http://jsfiddle.net/56yK9/12/

If you go onto the jsfiddle link click "run" after the page has loaded.

要查看我的html文檔代碼: http : //pastebin.com/D9eeVysr

在您的html文檔中imageWidth和imageHeight等於0,因為其余的其他功能/代碼不會等到從站點加載圖像后(在開發人員工具->網絡中檢查它),這就是這里的問題,因此該精靈是不可見的..您的代碼可能需要更改。

var texture = THREE.ImageUtils.loadTexture(tUrl, {}, callback);
callback = function(texture){
........code ur stuff here...........
}

只需通過鏈接中的代碼,它將為您提供有關圖像/紋理加載的一些想法... https://stackoverflow.com/a/21277768/2089677

這里的這段代碼可能會幫助您... http://jsfiddle.net/ebeit303/e5Q3N/1/

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
    <script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/2.0.3/jquery.min.js" ></script>
    <script src="http://cdnjs.cloudflare.com/ajax/libs/three.js/r61/three.min.js" ></script>
</head>
<body >
    <script>
        var container;
        var camera, scene, renderer;
        var group;

        container = document.createElement('div');
        document.body.appendChild(container);
        $(document).ready(function() {
            try {
                init();

            }
            catch (e) {
                container.innerHTML = e.toString();
            }
        });
        function init() {
            // renderer
            renderer = new THREE.WebGLRenderer({antialias: true});
            renderer.setClearColorHex(0xADD8E6, 1);
            renderer.setSize(window.innerWidth, window.innerHeight);
            container.appendChild(renderer.domElement);

            camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 1, 2100);
            camera.position.z = 1000;

            scene = new THREE.Scene();

            group = new THREE.Object3D();
            scene.add(group);

            var tUrl = "http://www.mediafire.com/convkey/7344/ra2l3kgscpvjflafg.jpg";
            var texture = THREE.ImageUtils.loadTexture(tUrl, {}, spriteMesh);

            window.addEventListener('resize', onWindowResize, false);
            animate();
        }
        function spriteMesh(ashTexture) {
            // create sprites
            var ashMaterial = new THREE.SpriteMaterial({map: ashTexture});
            var Ash = new THREE.Sprite(ashMaterial);
            var imageWidth1 = ashMaterial.map.image.width;
            var imageHeight1 = ashMaterial.map.image.height;
            Ash.scale.set(3 * imageWidth1, 3 * imageHeight1, 1.0);
            Ash.position.set(2 * imageWidth1, 2 * imageHeight1, 1.0);
            group.add(Ash);
        }
        function onWindowResize() {
            camera.aspect = window.innerWidth / window.innerHeight;
            camera.updateProjectionMatrix();
            renderer.setSize(window.innerWidth, window.innerHeight);
        }

        function animate() {
            requestAnimationFrame(animate);
            update();
            render();
        }
        function update() {
            camera.lookAt(scene.position);
            camera.updateProjectionMatrix();
        }
        function render() {
            renderer.render(scene, camera);
        }

    </script>
</body>
</html>

我想您缺少頁面加載/就緒處理程序。
這個小例子似乎至少顯示了一些東西:

http://pastebin.com/NmnTeX6Z

您可以在這里查看jsfiddle創建的更簡潔的輸出:
jsfiddle.net/56yK9/show/

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