Elevator_Program.rar_java电梯_电梯

// ElevatorView.java // View for ElevatorSimulation package com.deitel.jhtp5.elevator.view; // Java core packages import java.awt.*; import java.awt.event.*; import java.util.*; import java.applet.*; // Java extension package import javax.swing.*; // Deitel packages import com.deitel.jhtp5.elevator.event.*; import com.deitel.jhtp5.elevator.ElevatorConstants; public class ElevatorView extends JPanel implements ActionListener, ElevatorSimulationListener, ElevatorConstants { // ElevatorView dimensions private static final int VIEW_WIDTH = 800; private static final int VIEW_HEIGHT = 435; // offset for positioning Panels in ElevatorView private static final int OFFSET = 10; // Elevator repaints components every 50 ms private static final int ANIMATION_DELAY = 50; // horizontal distance constants private static final int PERSON_TO_BUTTON_DISTANCE = 400; private static final int BUTTON_TO_ELEVATOR_DISTANCE = 50; private static final int PERSON_TO_ELEVATOR_DISTANCE = PERSON_TO_BUTTON_DISTANCE + BUTTON_TO_ELEVATOR_DISTANCE; // times walking to Floor's Button and Elevator private static final int TIME_TO_BUTTON = 3000; // 3 seconds private static final int TIME_TO_ELEVATOR = 1000; // 1 second // time traveling in Elevator (5 seconds) private static final int ELEVATOR_TRAVEL_TIME = 5000; // Door images for animation private static final String doorFrames[] = { "images/door1.png", "images/door2.png", "images/door3.png", "images/door4.png", "images/door5.png" }; // Person images for animation private static final String personFrames[] = { "images/bug1.png", "images/bug2.png", "images/bug3.png", "images/bug4.png", "images/bug5.png", "images/bug6.png", "images/bug7.png", "images/bug8.png" }; // Light images for animation private static final String lightFrames[] = { "images/lightOff.png", "images/lightOn.png" }; // Floor Light images for animation private static final String firstFloorLightFrames[] = { "images/firstFloorLightOff.png", "images/firstFloorLightOn.png" }; private static final String secondFloorLightFrames[] = { "images/secondFloorLightOff.png", "images/secondFloorLightOn.png", }; // Floor Button images for animation private static final String floorButtonFrames[] = { "images/floorButtonUnpressed.png", "images/floorButtonPressed.png", "images/floorButtonLit.png" }; // Elevator Button images for animation private static final String elevatorButtonFrames[] = { "images/elevatorButtonUnpressed.png", "images/elevatorButtonPressed.png", "images/elevatorButtonLit.png" }; // Bell images for animation private static final String bellFrames[] = { "images/bell1.png", "images/bell2.png", "images/bell3.png" }; private static final String floorImage = "images/floor.png"; private static final String ceilingImage = "images/ceiling.png"; private static final String elevatorImage = "images/elevator.png"; private static final String wallImage = "images/wall.jpg"; private static final String elevatorShaftImage = "images/elevatorShaft.png"; // audio files private static final String bellSound = "bell.wav"; private static final String doorOpenSound = "doorOpen.wav"; private static final String doorCloseSound = "doorClose.wav"; private static final String elevatorSound = "elevator.au"; private static final String buttonSound = "button.wav"; private static final String walkingSound = "walk.wav"; private static final String elevatorMusicSound = "liszt.mid"; // ImagePanels for Floors, ElevatorShaft, wall and ceiling private ImagePanel firstFloorPanel; private ImagePanel secondFloorPanel; private ImagePanel elevatorShaftPanel; private ImagePanel wallPanel; private ImagePanel ceilingPanel; // MovingPanels for Elevator private MovingPanel elevatorPanel; // AnimatedPanels for Buttons, Bell, Lights and Door private AnimatedPanel firstFloorButtonPanel; private AnimatedPanel secondFloorButtonPanel; private AnimatedPanel elevatorButtonPanel; private AnimatedPanel bellPanel; private AnimatedPanel elevatorLightPanel; private AnimatedPanel firstFloorLightPanel; private AnimatedPanel secondFloorLightPanel; private AnimatedPanel doorPanel; // List containing AnimatedPanels for all Person objects private java.util.List personAnimatedPanels; // AudioClips for sound effects private AudioClip bellClip; private AudioClip doorOpenClip; private AudioClip doorCloseClip; private AudioClip elevatorClip; private AudioClip buttonClip; private AudioClip walkClip; // ElevatorMusic to play in Elevator private AudioClip elevatorMusicClip; // Timer for animation controller; private javax.swing.Timer animationTimer; // distance from top of screen to display Floors private int firstFloorPosition; private int secondFloorPosition; // Elevator's velocity private double elevatorVelocity; // ElevatorView constructor public ElevatorView() { // specifiy null Layout super( null ); instantiatePanels(); placePanelsOnView(); initializeAudio(); // calculate distance Elevator travels double floorDistance = firstFloorPosition - secondFloorPosition; // calculate time needed for travel double time = ELEVATOR_TRAVEL_TIME / ANIMATION_DELAY; // determine Elevator velocity (rate = distance / time) elevatorVelocity = ( floorDistance + OFFSET ) / time; // start animation Thread startAnimation(); } // end ElevatorView constructor // instantiate all Panels (Floors, Elevator, etc.) private void instantiatePanels() { // instantiate ImagePanels representing Floors firstFloorPanel = new ImagePanel( 0, floorImage ); secondFloorPanel = new ImagePanel( 0, floorImage ); // calculate first and second Floor positions firstFloorPosition = VIEW_HEIGHT - firstFloorPanel.getHeight(); secondFloorPosition = ( int ) ( firstFloorPosition / 2 ) - OFFSET; firstFloorPanel.setPosition( 0, firstFloorPosition ); secondFloorPanel.setPosition( 0, secondFloorPosition ); wallPanel = new ImagePanel( 0, wallImage ); // create and position ImagePanel for ElevatorShaft elevatorShaftPanel = new ImagePanel( 0, elevatorShaftImage ); double xPosition = PERSON_TO_ELEVATOR_DISTANCE + OFFSET; double yPosition = firstFloorPosition - elevatorShaftPanel.getHeight(); elevatorShaftPanel.setPosition( xPosition, yPosition ); // create and position ImagePanel for ceiling ceilingPanel = new ImagePanel( 0, ceilingImage ); yPosition = elevatorShaftPanel.getPosition().getY() - ceilingPanel.getHeight(); ceilingPanel.setPosition( xPosition, yPosition ); // create and position MovingPanel for Elevator elevatorPanel = new MovingPanel( 0, elevatorImage ); yPosition = firstFloorPosition - elevatorPanel.getHeight(); elevatorPanel.setPosition( xPosition, yPosition ); // create and position first Floor Button firstFloorButtonPanel = new AnimatedPanel( 0, floorButtonFrames ); xPosition = PERSON_TO_BUTTON_DISTANCE + 2 * OFFSET; yPosition = firstFloorPosition - 5 * OFFSET; firstFloorButtonPanel.setPosition( xPosition, yPosition ); int floorButtonPressedFrameOrder[] = { 0, 1, 2 }; firstFloorButtonPanel.addFrameSequence( floorButtonPressedFrameOrder ); // create and posit