com.google.ar.core.PointCloud Java Examples
The following examples show how to use
com.google.ar.core.PointCloud.
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Example #1
Source File: PointCloudRenderer.java From justaline-android with Apache License 2.0 | 6 votes |
/** * Updates the OpenGL buffer contents to the provided point. Repeated calls with the same point * cloud will be ignored. */ public void update(PointCloud cloud) { if (lastPointCloud == cloud) { // Redundant call. return; } ShaderUtil.checkGLError(TAG, "before update"); GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vbo); lastPointCloud = cloud; // If the VBO is not large enough to fit the new point cloud, resize it. numPoints = lastPointCloud.getPoints().remaining() / FLOATS_PER_POINT; if (numPoints * BYTES_PER_POINT > vboSize) { while (numPoints * BYTES_PER_POINT > vboSize) { vboSize *= 2; } GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, vboSize, null, GLES20.GL_DYNAMIC_DRAW); } GLES20.glBufferSubData( GLES20.GL_ARRAY_BUFFER, 0, numPoints * BYTES_PER_POINT, lastPointCloud.getPoints()); GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0); ShaderUtil.checkGLError(TAG, "after update"); }
Example #2
Source File: PointCloudRenderer.java From react-native-arcore with MIT License | 6 votes |
/** * Updates the OpenGL buffer contents to the provided point. Repeated calls with the same * point cloud will be ignored. */ public void update(PointCloud cloud) { if (mLastPointCloud == cloud) { // Redundant call. return; } ShaderUtil.checkGLError(TAG, "before update"); GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, mVbo); mLastPointCloud = cloud; // If the VBO is not large enough to fit the new point cloud, resize it. mNumPoints = mLastPointCloud.getPoints().remaining() / FLOATS_PER_POINT; if (mNumPoints * BYTES_PER_POINT > mVboSize) { while (mNumPoints * BYTES_PER_POINT > mVboSize) { mVboSize *= 2; } GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, mVboSize, null, GLES20.GL_DYNAMIC_DRAW); } GLES20.glBufferSubData(GLES20.GL_ARRAY_BUFFER, 0, mNumPoints * BYTES_PER_POINT, mLastPointCloud.getPoints()); GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0); ShaderUtil.checkGLError(TAG, "after update"); }
Example #3
Source File: PointCloudRenderer.java From poly-sample-android with Apache License 2.0 | 6 votes |
/** * Updates the OpenGL buffer contents to the provided point. Repeated calls with the same point * cloud will be ignored. */ public void update(PointCloud cloud) { if (lastPointCloud == cloud) { // Redundant call. return; } ShaderUtil.checkGLError(TAG, "before update"); GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, vbo); lastPointCloud = cloud; // If the VBO is not large enough to fit the new point cloud, resize it. numPoints = lastPointCloud.getPoints().remaining() / FLOATS_PER_POINT; if (numPoints * BYTES_PER_POINT > vboSize) { while (numPoints * BYTES_PER_POINT > vboSize) { vboSize *= 2; } GLES20.glBufferData(GLES20.GL_ARRAY_BUFFER, vboSize, null, GLES20.GL_DYNAMIC_DRAW); } GLES20.glBufferSubData( GLES20.GL_ARRAY_BUFFER, 0, numPoints * BYTES_PER_POINT, lastPointCloud.getPoints()); GLES20.glBindBuffer(GLES20.GL_ARRAY_BUFFER, 0); ShaderUtil.checkGLError(TAG, "after update"); }
Example #4
Source File: DrawARActivity.java From justaline-android with Apache License 2.0 | 4 votes |
/** * renderScene() clears the Color Buffer and Depth Buffer, draws the current texture from the * camera * and draws the Line Renderer if ARCore is tracking the world around it */ private void renderScene() { GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT); if (mFrame != null) { mBackgroundRenderer.draw(mFrame); } // Draw debug anchors if (BuildConfig.DEBUG) { if (mFrame.getCamera().getTrackingState() == TrackingState.TRACKING) { zeroAnchorRenderer.draw(viewmtx, projmtx, false); } } // Draw background. if (mFrame != null) { // Draw Lines if (mTrackingIndicator.isTracking() || ( // keep painting through 5 frames where we're not tracking (bHasTracked.get() && mFramesNotTracked < MAX_UNTRACKED_FRAMES))) { if (!mTrackingIndicator.isTracking()) { mFramesNotTracked++; } else { mFramesNotTracked = 0; } // If the anchor is set, set the modelMatrix of the line renderer to offset to the anchor if (mAnchor != null && mAnchor.getTrackingState() == TrackingState.TRACKING) { mAnchor.getPose().toMatrix(mLineShaderRenderer.mModelMatrix, 0); if (BuildConfig.DEBUG) { mAnchor.getPose().toMatrix(cloudAnchorRenderer.mModelMatrix, 0); cloudAnchorRenderer.draw(viewmtx, projmtx, true); } } // Render the lines mLineShaderRenderer .draw(viewmtx, projmtx, mScreenWidth, mScreenHeight, AppSettings.getNearClip(), AppSettings.getFarClip()); } if (mDebugEnabled) { mHandler.post(new Runnable() { @Override public void run() { mDebugView.setAnchorTracking(mAnchor); } }); } } if (mMode == Mode.PAIR_PARTNER_DISCOVERY || mMode == Mode.PAIR_ANCHOR_RESOLVING) { if (mFrame != null) { PointCloud pointCloud = mFrame.acquirePointCloud(); this.pointCloud.update(pointCloud); this.pointCloud.draw(viewmtx, projmtx); // Application is responsible for releasing the point cloud resources after // using it. pointCloud.release(); } } }
Example #5
Source File: HelloArActivity.java From poly-sample-android with Apache License 2.0 | 4 votes |
@Override public void onDrawFrame(GL10 gl) { // Clear screen to notify driver it should not load any pixels from previous frame. GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT); // If we are ready to import the object and haven't done so yet, do it now. if (mReadyToImport && virtualObject == null) { importDownloadedObject(); } if (session == null) { return; } // Notify ARCore session that the view size changed so that the perspective matrix and // the video background can be properly adjusted. displayRotationHelper.updateSessionIfNeeded(session); try { session.setCameraTextureName(backgroundRenderer.getTextureId()); // Obtain the current frame from ARSession. When the configuration is set to // UpdateMode.BLOCKING (it is by default), this will throttle the rendering to the // camera framerate. Frame frame = session.update(); Camera camera = frame.getCamera(); // Handle one tap per frame. handleTap(frame, camera); // Draw background. backgroundRenderer.draw(frame); // If not tracking, don't draw 3d objects. if (camera.getTrackingState() == TrackingState.PAUSED) { return; } // Get projection matrix. float[] projmtx = new float[16]; camera.getProjectionMatrix(projmtx, 0, 0.1f, 100.0f); // Get camera matrix and draw. float[] viewmtx = new float[16]; camera.getViewMatrix(viewmtx, 0); // Compute lighting from average intensity of the image. // The first three components are color scaling factors. // The last one is the average pixel intensity in gamma space. final float[] colorCorrectionRgba = new float[4]; frame.getLightEstimate().getColorCorrection(colorCorrectionRgba, 0); // Visualize tracked points. PointCloud pointCloud = frame.acquirePointCloud(); pointCloudRenderer.update(pointCloud); pointCloudRenderer.draw(viewmtx, projmtx); // Application is responsible for releasing the point cloud resources after // using it. pointCloud.release(); // Check if we detected at least one plane. If so, hide the loading message. if (messageSnackbarHelper.isShowing()) { for (Plane plane : session.getAllTrackables(Plane.class)) { if (plane.getTrackingState() == TrackingState.TRACKING) { messageSnackbarHelper.hide(this); break; } } } // Visualize planes. planeRenderer.drawPlanes( session.getAllTrackables(Plane.class), camera.getDisplayOrientedPose(), projmtx); // Visualize anchors created by touch. float scaleFactor = 1.0f; for (Anchor anchor : anchors) { if (anchor.getTrackingState() != TrackingState.TRACKING) { continue; } // Get the current pose of an Anchor in world space. The Anchor pose is updated // during calls to session.update() as ARCore refines its estimate of the world. anchor.getPose().toMatrix(anchorMatrix, 0); // Update and draw the model. if (virtualObject != null) { virtualObject.updateModelMatrix(anchorMatrix, ASSET_SCALE * scaleFactor); virtualObject.draw(viewmtx, projmtx, colorCorrectionRgba); // If we haven't yet showing the attribution toast, do it now. if (!mShowedAttributionToast) { showAttributionToast(); } } } } catch (Throwable t) { // Avoid crashing the application due to unhandled exceptions. Log.e(TAG, "Exception on the OpenGL thread", t); } }