From 95d35db382b85b95e681fd65876b57238a0442a1 Mon Sep 17 00:00:00 2001
From: Riegel <22rial1mpg@hft-stuttgart.de>
Date: Sat, 17 Jun 2023 15:00:25 +0000
Subject: [PATCH] Update public/index.html
---
public/index.html | 28 ++++++++++++++++++++++++++++
1 file changed, 28 insertions(+)
diff --git a/public/index.html b/public/index.html
index 5b979d9..b14f73f 100644
--- a/public/index.html
+++ b/public/index.html
@@ -63,6 +63,34 @@ session.updateRenderState({
// near the viewer's position at the time the session was created.
const referenceSpace = await session.requestReferenceSpace('local');
+// Create a render loop that allows us to draw on the AR view.
+const onXRFrame = (time, frame) => {
+ // Queue up the next draw request.
+ session.requestAnimationFrame(onXRFrame);
+
+ // Bind the graphics framebuffer to the baseLayer's framebuffer
+ gl.bindFramebuffer(gl.FRAMEBUFFER, session.renderState.baseLayer.framebuffer)
+
+ // Retrieve the pose of the device.
+ // XRFrame.getViewerPose can return null while the session attempts to establish tracking.
+ const pose = frame.getViewerPose(referenceSpace);
+ if (pose) {
+ // In mobile AR, we only have one view.
+ const view = pose.views[0];
+
+ const viewport = session.renderState.baseLayer.getViewport(view);
+ renderer.setSize(viewport.width, viewport.height)
+
+ // Use the view's transform matrix and projection matrix to configure the THREE.camera.
+ camera.matrix.fromArray(view.transform.matrix)
+ camera.projectionMatrix.fromArray(view.projectionMatrix);
+ camera.updateMatrixWorld(true);
+
+ // Render the scene with THREE.WebGLRenderer.
+ renderer.render(scene, camera)
+ }
+}
+session.requestAnimationFrame(onXRFrame);
}
--
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