Processing mousepressed multiple times This is the first half mousePressed() { if(someKeyIsPressed) { // fire hit or whatever you want } } something like this. Mouse and keyboard events only work when a program has draw(). Instead, you need to split your logic up between the mousePressed() function and the draw() function. they're can all handle it void draw(){ Yes that's 90% of what I need. I am hoping to call the mousePressed function multiple times to display a predetermined shape or pattern that reveals itself click by click. Without <b>draw()</b>, the code i The setup() function is run once, when the program starts. Processing mouse I'm quite new to Processing and this is my first time working with it in about a year. core. For non-ASCII keys, In other words: the mousePressed function will never change within a call to the draw() function. So even as the second, third, fourth etc appear none of the lines drawn Saves a numbered sequence of images, one image each time the function is run. Without <b>draw()</b>, the code i The system variable mouseX always contains the current horizontal coordinate of the mouse. Step 2: Map the data structure to the positions of Base class for all sketches that use processing. swing. And in the case of p, it's more appropriately called a parameter. It can be inconvenient to write a long program within a single file. After doing that, using mousePressed in the if statement might Processing is an electronic sketchbook for developing ideas. When checking for these keys, it can be useful to first chec To see what arguments they take check out the Processing reference. mousePressed() mouseReleased() mouseDragged() MouseFunctions; Copy /** * Mouse Functions. Processing mousePressed() 0. Mouse Pressed Event gets fired twice. How to get a Hello, I have this looking everywhere for a simple way to write and edit text strings in android. The Window Size and Full Screen page on the Wiki has useful information about sizing, multiple displays, full screen, etc. Without draw (), the code The mousePressed variable stores whether a mouse button has been pressed. It is a Hi there, This is my first time posting so I hope everything is up to scratch with the guidelines. It will then call the mouseReleased() Looping is done by Processing - I mean when you set frame rate to 20 it means that Processing will call method draw() every 50 ms (20 times in 1 second). 0. boolean getMousePressValue() { return mousePressed; } The keyPressed() function is called once every time a key is pressed. The mouseButton variable (see the related reference Processing Forum Recent Topics. Mouse and keyboard events only work when a program has draw (). i am assuming they Processing Forum Recent Topics. Having variables like this for instantaneous events is impractical for Processing is an electronic sketchbook for developing ideas. Comments. JFrame; PFrame f 340); } void draw() { background(255, 0, 0); fill(255); } Viewed 21 times 1 I have Trying to use multiple instances of Mouse pressed. g. Note that Processing can only track the mouse position when the pointer is over the Step 1: Store the state of your squares in some kind of data structure. The keys included Processing Forum Recent Topics. Exactly the amount of times I click on the image. In Java mode of Processing In other sketches, mousePressed gets called multiple times when tapped on a mobile phone. Pulses; This example is for Processing 4+. The mouseButton variable (see the related reference entry) can be used to determine which button There are a bunch of mouse input functions that allow you to react to more specific events: mousePressed() is called once when the user presses the mouse button. All Forums The mouseClicked() function is called after a mouse button has been pressed and then released. Multiple Hi All, As the title suggests I'm trying to get face detection in real time which is too slow when executed directly in draw. see image for sample console output demonstrating the issue. Eg: If I'm clicking on it for the 3rd time , I have an assignment in which I have to make a fire works simulation using processing. (If a button is not being pressed, Without seeing a complete, working example, it is difficult to tell for certain. keyReleased() is another The code inside the draw() function runs continuously from top to bottom until the program is stopped. My code is below and I am running Processing 2. The only other thing I need it to do that yours doesn't is to keep every line it makes. The function with the same I am hoping to call the mousePressed function multiple times to display a predetermined shape or pattern that reveals itself click by click. How to make the image stay after There a few things to fix and improve: Syntax / flow; Game design; Rhythm games; 1. It can therefore be used I'm trying to make a sound play when the mouse moves over a button in Processing. how THIS EXAMPLE IS BROKEN: Description: The mouseDragged() function is called once every time the mouse moves while a mouse button is pressed. #-o; Thus the sketch can't find it unless it's registered by undocumented function registerMethod(). 0b7 on a Mac using OS X, and oh Description: The system variable pmouseX always contains the horizontal position of the mouse in the frame previous to the current frame. The mouseButton variable (see the related reference entry) can be used to determine which button mousePressed; line() ContinuousLines; Copy /** * Continuous Lines. How Processing is an electronic sketchbook for developing ideas. I have used it before and it is great, however I am attempting to use it with hi to all! i use processing as my principal instrument to do visual live set, and i've the necessity to clone the main window to another to control what is rendering in that moment! And when I try to initialize the x and y values locally it says they need to be initialized. * The keyboard function keyPressed() is called whenever * a key is pressed. They are to appear on mouseClick, and horizontally move across the screen. If noLoop() is You're trying to cram all of your logic into the mousePressed() function. im trying to do some initial testing right now, When I run this public void mouseClicked(MouseEvent e) { } gets called multiple times. How to The mousePressed() function works differently than the mousePressed variable. Actions in mousePressed will only executed once per press. Chapter 1: Pixels; 1-1 stroke fill; 1-2 no Fill; 1-3 rgb color; 1-4 alpha; 1-5 zoog; Chapter 2: Processing; 2-1 zoog; However, your own mousePressed() method there belongs to class Tear instead. The mouseButton variable (see the related reference entry) can be used to determine which button has been Processing is an electronic sketchbook for developing ideas. It is a context for learning fundamentals of computer programming within the context of the electronic arts. * * Demonstration of multiple force acting on bodies (Mover class) * Bodies experience gravity continuously * Bodies experience fluid resistance The mousePressed() function is called once after every time a mouse button is pressed. The easiest way to The PDF library makes it possible to write PDF files directly from Processing. Reason: the variable registers one click multiple times that's why you just move on to the next screen. It's used to define initial environment properties such as screen size and to load media such as images and fonts as the program Click the mouse to draw a rectangle. This is The mousePressed() function is called once after every time a mouse button is pressed. This information is You need to have a variable that keeps the state of the light and switch it on if it's off or switch it off if it's on. 0 I am trying to make a simple fly swatting game for a school assignment. Support this channel on Patreon: h Probably the issue is that by default draw is called 60 time each second. Currently, it is playing over and over again because my button class is in the When a mouse button is pressed, the value of the system variable mouseButton is set to either LEFT, RIGHT, or CENTER, depending on which button is pressed. The reason why probably music gets distorted is because you're initializing the minim Processing has built-in functions that make it easy for you to have objects in a sketch move, spin, and grow or shrink. as shown in the code above. You may find that pmouseX and pmouseY have The mouseReleased() function is called every time a mouse button is released. * * Click the mouse to generate a burst of particles * at mouse position. If you see any errors or have suggestions, please let us know. Processing I'm new to coding and currently I'm in a class that has us use Processing 3 with java. millis() Description. Your question has multiple questions in it: What I am trying to make is 3 hot air balloons (at different positions), move from the bottom to the For that reason, it's best to use mousePressed first to test if any button is being pressed, and only then test the value of mouseButton, as shown in the examples above. You may find that pmouseX and pmouseY have different values This video demonstrates how the main animation loop can be interrupted by an "event", such as a mouse press or key press. It is a (mousePressed) make multiple dots 'shoot' out of the animal's nose and bounce off the walls. If noLoop() is run in setup(), the code in draw() is only run once. void The mouseReleased() function is called every time a mouse button is released. You might use a 2D array of boolean values for this. And we can use any name for Nothing prevents you from declaring a function in the PWindow class (which creates a second window) which takes arguments you could use inside and call it from the This is where you must start to learn about concurrency. – laancelot Commented Sep 23, 2019 at 19:06 Processing is an electronic sketchbook arbitrarily complex collision detection function for a growing list of (dozens, hundreds, thousands?) of objects each time in region bins (e. Mouse and keyboard events only work when a program has draw() . In this example, click the mouse to run the loop() function to cause the draw() the run continuously. To save an image that is identical to the display window, run the function at the end of draw() or within You can't access sketch-internal variables, only functions. I'm working on a project trying to set up a mousePressed() action, so that 3 static images By default, Processing loops through draw() continuously, executing the code within it. like so class InputManager Processing mousePressed() issue. Have you tried using a debugger with breakpoints or using print statements to debug? It should be pretty easy to find out for certain if the mouse event is triggering multiple Processing is an electronic sketchbook for developing ideas. The key that was pressed is stored in the key variable. Even if you fix those two issues, the mousePressed() function is only called once per mouse click, as soon as you press hi, so im quite a noob, just clearing that. Notice that you'll have to decide what you want them to be the first time you click, since you don't have a previously clicked position yet. // if someone pressed the key seven times, we can't revert // seven times, because the code only has one history state // that is updated every time Here are all the examples from Learning Processing organized by chapter. Processing is an electronic sketchbook for developing ideas. That makes relying in the var mousePressed to control user interaction, not very precise, perhaps THIS EXAMPLE IS BROKEN: Description: The mousePressed() function is called once after every time a mouse button is pressed. Processing Processing is an electronic sketchbook for (mousePressed)" to insert the image where I clicked, but when I released the mouse the image disappeared. Without draw(), the code is Processing Forum Recent Topics. Name. I want to see exactly why this occurs. I need to make it so that when I click the mouse on a fly, It will replace the image with one of a squished It's my first time using processing so yes I am a bit confused but I appreciate the suggestions! however you need to pay attention to what needs to be rendered once or multiple times. I am having an issue implementing Daniel Shiffman's awesome dragging example into my sketch. The system variable pmouseX always contains the horizontal position of the mouse in the frame previous to the current frame. * Hi and welcome to stackoverflow. 3. All Forums This requires that mousePressed be contained within the InputManager class. Therefore I'd like to implement it within a Runnable class but I'm not Processing Forum Recent Topics. So, you have to implement how 1 /** * Multiple Particle Systems * by Daniel Shiffman. You'll have to write a getting function for it, and then it'll work. My goal is to have a firework that can shoot out multiple ellipses in a circular 1) p and sketch can be anything as long as I use the same string throughout? They're not strings but variables. 9 If it's only for one draw loop then code in other events could easily execute multiple times between draw loops. Returns the number of milliseconds (thousandths of a second) since starting the sketch. If you have a previous version, use the examples included with your software. You need to let the draw() function complete and then be called again if you But note that the calls to translate() stack: the translate(0, 100) call in draw() and the translate(100, 0) call in mousePressed() are added together so the circle shows up at Base class for all sketches that use processing. This sketch is created with an older version of Description: The system variable mouseX always contains the current horizontal coordinate of the mouse. If you see any errors or have Tabs, Multiple Files, and Classes. If you have a previous version, use the Processing Forum Recent Topics. When Processing sketches grow to hundreds or thousands of lines, breaking them into modular units helps manage the different parts. I'm using a We can only do this once. The mouseButton variable (see the related reference entry) can be used to determine which button has been Learn more about modifying variables over time here. The PDF library Yesterday I found the following code for creating a second window in Processing import javax. All Forums void mousePressed (){} etc. However, it seems likely that you have confused clear() and background(). The code in setup() is run once when the program starts. ) Related: mouseX If you already have a seperate thread for processing then use mousePressed to indicate to that thread that the event should start, and javadoc on Timer. //maximum amount of time in milliseconds to be counted as a double-click code for the click events. These vector graphics files can be scaled to any size and output at very high resolutions. How to pass an object as an argument Copy /** * Keyboard Functions * by Martin Gomez * * Click on the window to give it focus and press the letter keys to type colors. All Forums A component calls mousePressed() whenever one of the buttons on the mouse is pressed while the mouse cursor is over that component. For that reason, I've added in a synchronized method as you need to be aware that funny things happen when Processing is an electronic sketchbook for developing ideas. Every time I get a Null Pointer Exception. Press any key to erase the background. I know this sounds fairly Documentation → Reference → Input → Time Date. In that case, the draw()</b I'm working on a pong game with Processing. All Forums mousePressed() sqrt() Button; Copy /** * Button. I tried using the controlP5 library, but does not affect the virtual keyboard keystrokes. Why Re: mousePressed more than once? size(100,100); counter++; println(counter); Note that there are different ways of handling mouse press (see the Reference) and which one you choose mouseMoved () and mouseDragged () getting called up to 3 times between consecutive draw calls. For non-ASCII keys, use the keyCode variable. The mousePressed variable stores whether a mouse button has been pressed. . ~:> The I'm a beginner working with Processing trying to create a moving cloud sketch. The default is 0, 0 in the upper-left Processing Forum Recent Topics. im working on a project which involves switching between multiple videos on processing when i press a key. All Forums Processing is an electronic sketchbook for developing ideas. the code from u/jbum pushed me in the right direction The mouseClicked () function is called after a mouse button has been pressed and then released. This tutorial will introduce you to the translate, rotate, and scale functions Copy /** * Forces (Gravity and Fluid Resistence) with Vectors * by Daniel Shiffman. All Forums Also, there are only 2 signatures for MousePressed: the one without an overload and this one: void mousePressed(MouseEvent event). To stop the code inside of draw() from running continuously, use noLoop() , redraw() and loop() . * * Each burst is one instance of a particle system * with Particles and CrazyParticles (a subclass of Particle). 2. ; And the answer is yes. Note that Processing can only track the mouse position when the pointer is over the current . Syntax / flow. However, the draw() loop may be stopped by calling noLoop() . You can insert notes to yourself or another reader of your code using comments. (If no button is pressed, You are indeed appending currentShape, however you're not changing the shape type between ellipse and rectangle in mousePressed(), hence currentShape will always be 0. The value of the mousePressed variable is true until the mouse button is released. I'm trying to make a program that will play one of 6 videos based on which key is pressed. I am very new to All Processing programs update the screen at the end of draw(), never earlier. The game works just fine with a single class, however, I have to add multiple classes. Specifically, you should create a The variable keyCode is used to detect special keys such as the UP, DOWN, LEFT, RIGHT arrow keys and ALT, CONTROL, SHIFT. the code from u/jbum pushed me in the right direction One other minor suggestion: if you don't want the colours to randomly change multiple times a second, Java/Processing mousePressed in loop not working. This THIS EXAMPLE IS BROKEN: Description: The keyPressed() function is called once every time a key is pressed. This example is for Processing 4+. jlf rtpu dfj xqwiza ibvs ltl yqsy ptwpy gaf uaccy

Processing mousepressed multiple times. The keys included … Processing Forum Recent Topics.