trelek2

Hi! I'm writing a Java simulation of a physical system. I wrote the whole simulation without any problems and later decided to add very simple GUI to paint the current sate of the system after each iteration. This is where the first problem occurred. After creating my JFrame and JPanel …

Hi! I'm writing a pool simulation and have an awful problem with my ball collisions (elastic collisions). The theory (in terms of vectors) is that when two balls collide you take the line between their centers and the velocity components which are perpendicular to this line are unaffected, while the …

Although I'm a novice in Java I am to make a pool simulator in java with the ability to handle any arbitrary number of balls (i have created a Ball object, balls will be stored in the Ball array called balls). All the parameters are to be read in from …

Hi! I'm writing a program thats due tomorrow and I have a problem with one aspect: I can draw the picture I want and everything using paintComponent, but then when the user pulls the edge of the window, the program should resize the whole picture- redraw it i guess... How …

Hi! I'm a newbie in drawing graphics with Java and have another problem with my traffic Jam simulation: At the end of the simulation the program should draw the finalA array as a series of filled/unfilled squares. All I get is a white window coming up:@ I will post all …

Hi! I'm really fed up with my program. I'm trying to write a JAVA simulation of a traffic jam. In the beginning the user inputs the length a of Road n (problem with the constructor) and the number of cars c. The Road is an object- simply an array filled …