Abstract: A method for simulating a movement Track of a vehicle for a vehicle using a handheld device requires a first senor and a second sensor. The method detects three-axis acceleration variations of the vehicle using the first sensor when the vehicle is moving. When at least one of the detected three-axis acceleration variations is greater than a preset threshold, a movement speed of the vehicle is detected using a position system and three-axis angle variations are detected using the second sensor. The method further stores the detected movement speeds and detected three-axis angle variations as vehicle data into a storage device. When the vehicle stops moving, the method stops storing the detected movement speeds and detected three-axis angle variations when and simulate a movement Track according the vehicle data stored in the storage device.

Abstract: In a method for capturing an optimized image of people jumping, the method obtains a first image captured by an image capturing device of an electronic device, detecting face areas from the first image, obtains vertical coordinates of center points of the detected face areas, and calculates an average value of the vertical coordinates of the center points. The method further controls the image capturing device to capture a second image when the calculated average value is greater than a preset value, the second image is determined as the optimized image that all of people in the second image have jumped.

Abstract: In a method for simulating a flight path of a boomerang on a display screen of a handheld device, the method obtains accelerations and rotation angles of the handheld device, determines a flight path of an image of the boomerang according to the accelerations, the rotation angles of the handheld device, and preset simulation equations, and displays the flight path of the image of the boomerang on the display screen of the handheld device.