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A-Frame - Exokit Web bindings prototype v0.1 #127

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A-Frame - Exokit Web bindings prototype v0.1 #127

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bfb294e
Merge pull request #1 from exokitxr/master
two-one-five Oct 1, 2019
55a5aca
A-Frame - Exokit Web bindings prototype v0.1
Oct 8, 2019
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60 changes: 60 additions & 0 deletions aframe.exokit.scene.html
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@@ -0,0 +1,60 @@
<!DOCTYPE html>
<html>
<head>
<script src="https://aframe.io/releases/0.9.2/aframe.min.js"></script>
<script type=module src="http://localhost:6969/local-exokit-web/exokit-web/ew.js"></script>
<script defer src="./aframe-exokit-v2.js"></script>

<script>
var kalilaContexts = [];
HTMLCanvasElement.prototype.getContext = (function(originalGetContext) {
return myCustomGetContext;
function myCustomGetContext(a,b) {
console.info('getContext intercepted - - - ',a,b);
b = b || {};
b.xrCompatible = true;
b.alpha = true;
b.antialias = true;
b.depth = true;
b.powerPreference = "default";
b.premultipliedAlpha = true;
b.preserveDrawingBuffer = false;
b.stencil = true;

if(a === "webgl") {
a = "webgl2";
}
if (this['$'+a]) return this['$'+a];
var context = originalGetContext.apply(this, arguments);
kalilaContexts.push({ canvas: this, arguments: [a,b], context: context });
this['$'+a] = context;
return context;
}
})(HTMLCanvasElement.prototype.getContext);
</script>

</head>
<body>

<a-scene>
<a-box rotation="45 45 45" position="0 0 -2" color="tomato" depth="2" height="4" width="0.5"></a-box>
<a-box rotation="45 -45 45" position="0 0 -16" color="tomato" depth="2" height="4" width="0.5"></a-box>
<a-box rotation="45 -45 45" position="0 0 -32" color="tomato" depth="2" height="4" width="0.5"></a-box>

<a-xr-engine xr-engine wireframe scale="2 2 2" material="color: gray" geometry="primitive: box; width: 1; height: 1; depth: 1" position="0 3 -5">
<!-- <a-xr-site wireframe scale=".95 .95 .95" material="color: magenta" geometry="primitive: box; width: 1; height: 1; depth: 1" position="0 0 0">
<a-xr-iframe position="0 0 0" gltf-model="#a-xr-iframe"></a-xr-iframe>
</a-xr-site> -->
</a-xr-engine>

<a-box a-xr-test="asdfsdf" rotation="45 -45 45" position="0 0 -20" color="blue" depth="2" height="10" width="0.25"></a-box>

<a-sphere position="0 1.25 -1" radius="1.25" color="#EF2D5E"></a-sphere>
<a-cube position="-1 0.5 1" rotation="0 45 0" width="1" height="1" depth="1" color="#4CC3D9"></a-cube>
<a-cylinder position="1 0.75 1" radius="0.5" height="1.5" color="#FFC65D"></a-cylinder>
<a-plane rotation="-90 0 0" width="4" height="4" color="#7BC8A4"></a-plane>
<!-- <a-sky color="#333333"></a-sky> -->
</a-scene>
</body>

</html>
67 changes: 67 additions & 0 deletions src/aframe-exokit-v2.js
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var axrengine = document.createElement("script"); // create a script DOM node
axrengine.src = "http://localhost:6969/local-exokit-web/exokit-web/src/a-xr-engine.js"; // set its src to the provided URL

document.head.appendChild(axrengine);

window.mainCanvas = null;

AFRAME.registerSystem('bind-exokit-aframe-canvas', {
init: function() {
console.info('AFRAME.system.init')
var sceneEl = this.sceneEl;

console.info(document.getElementsByClassName("a-canvas")[0]);
window.mainCanvas = document.getElementsByClassName("a-canvas")[0];
// if(0) setTimeout(function() {
try {
navigator.xr.requestSession('immersive-vr').then((session)=> {
console.info('got session', session)
console.info('exiting VR')
sceneEl.exitVR();
}).catch((err)=>console.error('crashless-vrless error:' + err));
} catch(e) { console.warn('navigator.xr error:'+e); }
// }, 500);
},
tick: function() {
// this.sceneEl.camera.rotation.y+=.01;
},
});

AFRAME.registerComponent('wireframe', {
dependencies: ['material'],
init: function () {
this.el.components.material.material.wireframe = true;
}
});

function generateXREngine(context) {

const xrEngine = new XREngine();
top.xrEngine = xrEngine;
xrEngine.canvas = window.mainCanvas;
xrEngine.context = window.mainCanvas.$webgl;
// alert(xrEngine.canvas);
xrEngine.innerHTML = '<xr-site><xr-iframe src="https://webvr.info/samples/04b-simple-mirroring-2.html?polyfill=1"></xr-iframe></xr-site>';
context.appendChild(xrEngine);
xrEngine.addEventListener('load', function() { console.log("XR ENGINE LOADED : : : ---")});
xrEngine.enterXr();

}

AFRAME.registerComponent('xr-engine', {
init: function() {
var context = this.el;
console.info('a-xr-engine', this.data)

setTimeout(function() {
generateXREngine(context);
}, 1000);
},
tick: function() {
//this.el.object3D.rotation.y+=.05;
},
});

AFRAME.registerElement("a-xr-engine", { prototype: AFRAME.AEntity.prototype });
AFRAME.registerElement("a-xr-site", { prototype: AFRAME.AEntity.prototype });
AFRAME.registerElement("a-xr-iframe", { prototype: AFRAME.AEntity.prototype });
32 changes: 20 additions & 12 deletions src/xr-engine.js
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Expand Up @@ -73,26 +73,34 @@ const XREngineProto = {
win.baseLayer = null;
win.install = () => {
if (!win.canvas) {
win.canvas = document.createElement('canvas');
win.canvas.width = GlobalContext.xrState.renderWidth[0] * 2;
win.canvas.height = GlobalContext.xrState.renderHeight[0];
win.canvas.style.width = '100%';
win.canvas.style.height = '100%';
win.canvas.addEventListener('mousedown', e => {
e.preventDefault();
});
// win.canvas = document.createElement('canvas');
if(document.getElementsByClassName("a-canvas")[0]) {
win.canvas = document.getElementsByClassName("a-canvas")[0];
} else {
win.canvas = document.createElement('canvas');
alert("Made new one.");
}
// win.canvas.width = GlobalContext.xrState.renderWidth[0] * 2;
// win.canvas.height = GlobalContext.xrState.renderHeight[0];
// win.canvas.style.width = '100%';
// win.canvas.style.height = '100%';
// win.canvas.addEventListener('mousedown', e => {
// e.preventDefault();
// });
win.canvas.addEventListener('mouseenter', e => {
const {x, y, width, height} = win.canvas.getBoundingClientRect();
GlobalContext.xrState.canvasViewport[0] = x;
GlobalContext.xrState.canvasViewport[1] = y;
GlobalContext.xrState.canvasViewport[2] = width;
GlobalContext.xrState.canvasViewport[3] = height;
});
win.ctx = win.canvas.getContext(window.WebGL2RenderingContext ? 'webgl2' : 'webgl', {
win.ctx = win.canvas.$webgl2; if(0) getContext(window.WebGL2RenderingContext ? 'webgl2' : 'webgl', {
antialias: true,
alpha: true,
xrCompatible: true,
});
console.info("win.ctx: ", win.ctx);

win.ctx.bindFramebuffer = (_bindFramebuffer => function bindFramebuffer(target, fbo) { // XXX return the correct undone binding in gl.getParameter
if (!fbo) {
fbo = win.ctx.xrFramebuffer;
Expand All @@ -108,11 +116,11 @@ const XREngineProto = {

if (this._canShadow) {
if (!this.shadow) {
this.shadow = this.attachShadow({mode: 'closed'});
// this.shadow = this.attachShadow({mode: 'closed'});
}
this.shadow.appendChild(win.canvas);
// this.shadow.appendChild(win.canvas);
} else {
this.insertAdjacentElement('afterend', win.canvas);
// this.insertAdjacentElement('afterend', win.canvas);
}

this.dispatchEvent(new MessageEvent('canvas', {
Expand Down