Class help

Programming Questions

tim1257

in Programming Questions • 1 year ago

I have a button class i made and if you click inside the button the variable "clicked" returns true, however in void draw() it cant find anything named "clicked" I tried "public boolean clicked;" and it would not work. If anyone can help that would be great.

Replies(3)

tfguy44

Re: Class help

1 year ago

Sounds like you're confused about how variables work. Variables don't return values. Functions, however, do. It's hard to show you what you're doing wrong without looking at the code you're talking about...

tim1257

Re: Class help

1 year ago

I know variables don't return anything i couldn't think of a way to describe it maybe "is equal too" or something like that. But anyways here is the code:

class Button {

color rcolor;

color pcolor;

int xpos;

int ypos;

int widthh;

int heightt;

boolean clicked;

Button(int tempXpos, int tempYpos, int tempHeight, int tempWidth, color tempPcolor, color tempRcolor) {

tempXpos = xpos;

tempYpos = ypos;

tempHeight = heightt;

tempWidth = widthh;

tempPcolor = pcolor;

tempRcolor = rcolor;

}

void Clicked() {

if (mousePressed == true) {

if (mouseX >= xpos && mouseY >= ypos) {

if (mouseX <= xpos + widthh && mouseY <= ypos + heightt) {

clicked = true;

}

if (mousePressed == false) {

clicked = false;

}

Button button;

void setup() {

size(500, 500);

background(255, 0, 0);

button = new Button (10, 10, 10, 10, color(255), color(0));

}

void draw() {

button.Clicked();

if (clicked == true){

background(0, 255, 0);

}

else if (clicked == false){

background(255, 0, 0);

}

calsign

Re: Class help

1 year ago

To access the variable, use button.clicked.

Also, in your Button constructor, your variable assignments are flipped; for example, tempXpos = xpos; does nothing other than assign a short-lived variable to be 0. Instead, it should be xpos = tempXpos;.
The same applies for all of them.

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