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Questions tagged [bufferstrategy]

The BufferStrategy is a Java class representing the mechanism used to organize complex memory on a certain AWT Canvas or Window. Use this tag for general questions related to creating or managing a BufferStrategy.

Official Documentation:

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My pixels won't draw in the places I've put them

I'm trying to draw individual pixels to the screen using a BufferStrategy but when I run the program all the pixels are displayed werid, it's supposed to make 1 square in the top left, but it makes multiple squares that have black lines in between…
Logan MacDougall
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Game written in java swing stutters

I've got a small problem with my new project which is a Flappy Bird game written in Java. It stutters a lot. I do not know what to do. I've been looking for a solution in other topics but unfortunatelly I have no idea what is wrong. I used a Buffer…
TomD
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Calling getBufferStrategy and createBufferStrategy without an object

I was watching a video on making a game in Java and saw the following code for creating a BufferStrategy object: public void render() { BufferStrategy bs = getBufferStrategy(); if bs==null { createBufferStrategy(3); return …
robzoid
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Buffer Stragy and Graphics object works fin in IDE, but not when exported to a jar

So, I'm working on a tile game for my programming class, and I've made some progress. but when I try and export my game to a runnable jar, it doesn't work yet works in the IDE. The render method that renders everything. private void render() { …
Cody Hausser
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Component must have a valid peer (BufferStrategy)

So I'm making a 2D game on java and I implemented the BufferStrategy method into my game. It's stuck at this line 'this.createBufferStrategy(3);' Since then, I'm getting this error: Exception in thread "Thread-2" java.lang.IllegalStateException:…
Choiboy
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What is the correct way to use createBufferStrategy()?

Even after using Java Swing for over a year, it still seems like magic to me. How do I correctly use a BufferStrategy, in particular, the method createBufferSrategy()? I would like to have a JFrame and a Canvas that gets added to it and then…
SaphirShroom
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BufferStrategy and Graphics g

I have a sprite sheet that I want to use in a src folder within the project. Here is some code I have for a simple game I am making. I get an error when trying to draw anything with the paintbrush or (g). Can you help me figure out what is wrong? I…
Cameron Dindy
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Java buffer strategy sometimes doesn't draw properly

I created a game in Java which uses buffer strategy. But sometimes I just get a white frame or a white border. That happens about every fifth time. I searched a lot but I really can't figure out what I'm doing wrong. The code compiles and there…
tobxd
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Why is createBufferStrategy(3) just as fast as createBufferStrategy(3+x)?

As far as I know, you can put any int into the createBufferStrategy parameter. I've been told that there's no visible difference in buffer speed after triple buffering. Why is this?
Emilia Clarke
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BufferStrategy used with a retina display

Let me start with this small example application: public class Main extends Canvas{ public static void main(String[] args) { new Main(); } private BufferStrategy buffstrat; public Main() { JFrame frame = new…
Valerie Thiesent
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BufferStrategy in windowed mode causes constant intense white screen flicker

I put this code together based on a lot of examples I found around here on stackoverflow. When I run the program the entire screen flickers intensely. I'm sure there is something simple I'm overlooking, but so far have been unable to track down a…
Orange
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How to render one panel in a JFrame

I'm creating an application and as the picture below crudely illustrates there are 3 sections: a top menu (JPanel), a sidebar menu (another JPanel) and a 3rd part which I'll call the preview pane (the yellow part). The preview pane displays a…
quantum285
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BufferStrategy Not Always Showing on JFrame

I have an application that is using a BufferStrategy created by a JFrame object to paint shapes. The code is pretty standard, what you would find elsewhere: // JFrame class frame.setVisible( true ); frame.createBufferStrategy( 2 ); new Logic(…
Sloth Armstrong
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Swing requires createBufferStrategy(2) to properly paint

I have some grids that is painted to screen one by one. I use arrow keys to move grids around as a group. Swing is said to be doubleBuffered by default so I believe frame.createBufferStrategy(2) is a bad practice but the problem is when I don't use…
WVrock
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AWT Canvas BufferStrategy and resize flickering

I am trying to make a simple game using Java2D for maximum compatibility. It is working great under Java 8 on Mac OS X Yosemite, but it is not as fluid when I try the same code under Windows 7. The canvas flickers when the JFrame is being resized…
Béatrice Cassistat
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