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NOT Gate (Read 2158 times)

venkata

NOT Gate
Mar 17^th, 2009, 5:06pm

Hi, I am new to the processing and i am working on a project .I need to Create an application of not gate that is to draw a Line at a particular place and if mousepressed line should move towards right.I have just tried it by using MousePressed that is
line(20,30,50,30);
if (mousepressed)
line(40,30,70,30);

. My problem is I need the old line get deleted after new line appears .Could any one help me ?

JohnG Ex Member	Re: NOT Gate Reply #1 - Mar 17^th, 2009, 5:17pm add background(128,128,128); before the first line(..);

venkata YaBB Newbies Offline Posts: 18	Re: NOT Gate Reply #2 - Mar 17^th, 2009, 6:01pm You mean inside the if(mousepressed) loop ?

JohnG Ex Member	Re: NOT Gate Reply #3 - Mar 17^th, 2009, 6:07pm No, before any of the drawing is the best place, that way you're never going to have left-over drawn things on screen when you get to more complicated things.

venkata YaBB Newbies Offline Posts: 18	Re: NOT Gate Reply #4 - Mar 17^th, 2009, 6:49pm So if i keep the statement background() before first line , After second line is drawn do the first line dissappears ?

PhiLho YaBB Moderator Offline Posts: 4190 Near Paris (France)	Re: NOT Gate Reply #5 - Mar 17^th, 2009, 6:57pm venkata, the idea is to clear all the screen at the start of draw() routine (with background()), and re-draw all the graphics there. That's the base concept of Processing, although some special sketches use persistence of drawing between draw() calls.

NoahBuddy Ex Member	Re: NOT Gate Reply #6 - Mar 17^th, 2009, 8:51pm I think what you want is to use an if/else block: Code: background(yourfavoritecolor); if (mousepressed) { //draw the second line line(40,30,70,30); } else { //draw the normal line line(20,30,50,30); } This way, only one of the lines would be drawn.

venkata YaBB Newbies Offline Posts: 18	Re: NOT Gate Reply #7 - Mar 17^th, 2009, 9:06pm Actually the first line should be there at the beginning but after mouse click at one end the line should move towards right.that is as per properties of NOT gate when we give 1(Mouse click) as input output should be 0 as it should move towards right.

NoahBuddy

Re: NOT Gate
Reply #8 - Mar 18^th, 2009, 5:58am

Do you mean to flip the state with each mouse click (instead of only showing when the mouse button is held)?

Code:


boolean inputvalue = false;//store the input state

void setup() {
  size(100,100);
}

void mouseReleased() {
  //toggle the input state
  inputvalue = !inputvalue;
}

void draw() {
  background(255);

  if (inputvalue) {
    //draw the second line
    line(40,30,70,30);
  } else {
    //draw the normal line
    line(20,30,50,30);  
  } 

}

venkata

Re: NOT Gate
Reply #9 - Mar 18^th, 2009, 6:14am

This is what i need exactly naohbuddy

thank you very much
for this i just need to improve like this .. The nano not gate looks like this
(input)
-------------- 1
/
/
/
/
---------------
2 (output)

when we give click on the input side( i.e input as "1" output should be 0) therefore the point 1 will move forward so that point 2 will move backward and the output goes backward (that is it indicates "0")
Can you please help me ?

venkata YaBB Newbies Offline Posts: 18	Re: NOT Gate Reply #10 - Mar 18^th, 2009, 6:15am Sorry the gate is not diplayed well it looks like Z shape.

venkata YaBB Newbies Offline Posts: 18	Re: NOT Gate Reply #11 - Mar 18^th, 2009, 6:15am There is a connection between positions 1 and 2

NoahBuddy Ex Member	Re: NOT Gate Reply #12 - Mar 18^th, 2009, 7:27am If I understand correctly, you only have to draw more lines (or other shapes) within the if/else block. Since it is a not gate, there are still only two states. Code: if (inputvalue) { //draw state one } else { //same as NOT(inputvalue) //draw state two } Sorry, I'm not sure exactly what it is supposed to look like.

venkata YaBB Newbies Offline Posts: 18	Re: NOT Gate Reply #13 - Mar 18^th, 2009, 7:44am Is there any other means to send you my exact question so that i can explain you clearly, i mean your email or so ... only thing is the line for which you have written code should move forward and the line at the bottom that is connected through a pivot should move backward to indicate zero output

NoahBuddy Ex Member	Re: NOT Gate Reply #14 - Mar 18^th, 2009, 4:40pm You can reach me by email through buddyDOTnoah AT Google Mail DOT com Replace AT with '@' Google Mail with 'gmail' and DOT with '.' No spaces.

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