in app/src/main/java/com/facebook/sample/SampleGLTFView.java [152:168]
private void onVSync() {
if (!eglRenderTarget.hasValidContext()) {
return;
}
Choreographer.getInstance().postFrameCallback(frameCallback);
eglRenderTarget.makeCurrent();
GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT);
updateCamera();
gltfObject.updateModelMatrix(modelMatrix, SCALE_FACTOR * aspectRatio);
gltfObject.draw(viewMatrix, projectionMatrix);
eglRenderTarget.swapBuffers();
}