Question

GUI bouncing shapes program

use this interface

the out put of the program should be a jFrame with three buttons: “add triangle”, “add square” and “add circle” and a blank screen. when the user clicks any of these buttons the corresponding shape appears and starts bouncing around the screen. the shape of these shaoes and randomized and anytime the user clicks the button you should be able to keeping adding shapes on the screen while the previosus shape is bouncing arounf the frame.

i have attached more detail of the program

te a lava program to implement the animated bouncing shapes graphics program that Writ was demonstrated in class. Square", an Icon object where the geometric shapes will be drawn. The Icon should 600 pixels wide and 400 pixels in height, and should contain a rectangle that shows its boundary. Clicking on any button will add the corresponding shape to the icon. Your GUI will consist of three buttons labeled "Add a "Add a Circle", and "Add a Triangle", and a JLabel containing public interface BouncingShape / Change the position of the objects bounding box. void move /* * Dr aw the object in the given graphics context. eparam g2 the graphics context in which to draw or fill void draw (Graphics2D g2) Write a Java program to implement the anim ated bouncing shapes graphics program that demonstrated in class. Your GUI will consist of three buttons labeled "Add a was re", "Add a Circle", and "Add a Triangle", and a JLabel containin an Icon object where the geometric shapes will be drawn. The Icon should 600 pixels wide and 400 pixels in height, and should contain a rectangle that shows its boundary Clicking on any button will add the corresponding shape to the icon All shape objects must implement the BouncingShape interface given at the end of this handout. Each shape must have the following characteristics: When a shape is constructed, its original location should be the upper-left corner of the Icon Each shape should be constructed in square bounding box. The size of each bounding box should be determined when the shape is constructed by calculating a random integer in the range 10. 100 In addition to its size, each new shape should calculate two random integer values (dx and dy) in the range 1-5. These values represent the amounts that the object will shift in the x- and y-direction each time it is told to move. When the BouncingShape's move () method is called, your program should: Determine if adding dx and dy to the upper-left coordinate of the shape's bounding box will cause any part of the shape to move outside of the icon area. If so, multiply the dx and/or dy value (as appropriate) by -1 to reverse the direction of movement on that axis o o Add the values of dx and dy to the upper-left coordinate of the shape Each new shape should choose a color for itself when it is constructed by generating three random integers in the appropriate range and then creating a Color object using those values. Set the pen color to this value before you call draw() or fill() for that object. Animation should be controlled by a Timer object that fires 24 times/second (approximatly every 42 msecs). Each time the Timer executes its listener, the shape container object should move each BouncingShape and then repaint () the label Place all source files except the main class in an appropriately named package

Answer 1

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