Processing Forum

Tweet a sketch

[15 Replies]
- 21-Aug-2013 03:51 PM
- Forum: Share your Work
Hey,

my friend and maker of the site funprogramming.org kicked off writing processing sketches that look cool and fit into a tweet. So what kind of Processing program can you fit in 135 characters? :) Add // #p5 at the end! Take the challenge!

https://twitter.com/search?q=void%20OR%20size%20%23p5&mode=realtime

P2D, P3D don't work unter windows

[8 Replies]
- 19-May-2013 12:39 AM
- Forum: Integration and Hardware
Hey,

just downloaded the 9th beta totally excited about it. but right after installing I ran into the problem that I already had under b8.

When I run a sketch in P2D or P3D it doesn't start and I get following error:

OpenGL error 1282 at bot endDraw(): invalid operation

#

# A fatal error has been detected by the Java Runtime Environment:

#

# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x00000001807bc34f, pid=5852, tid=1540

#

# JRE version: 6.0_37-b06

# Java VM: Java HotSpot(TM) 64-Bit Server VM (20.12-b01 mixed mode windows-amd64 compressed oops)

# Problematic frame:

# C [ig4icd64.dll+0x7bc34f]

#

# An error report file with more information is saved as:

# C:\Program Files\Java\processing-2.0b9\hs_err_pid5852.log

#

# If you would like to submit a bug report, please visit:

# http://java.sun.com/webapps/bugreport/crash.jsp

# The crash happened outside the Java Virtual Machine in native code.

# See problematic frame for where to report the bug.

#

Could not run the sketch (Target VM failed to initialize).

For more information, read revisions.txt and Help ? Troubleshooting.

Win 7, 64 bit

What is the matter?! please help!

Teaching material for kids

[2 Replies]
- 31-Mar-2013 08:05 AM
- Forum: General Discussion
Hello everyone,

I am giving some introduction to programing classes to school kids this summer and my idea is to use processing to teach programing ;). It is all voluntary and there are no regular dates.

However is there any source of easy learning material, which can be used to teach school-kids of various (ages)-

maybe even in german :)?

P5JS Pimage width/height always returning 0

[5 Replies]
- 10-Feb-2013 04:45 PM
- Forum: Processing with Other Languages
Hi

I created the easist example possible
2. size(400,400);
3. PImage img = loadImage("p2.png");
5. image(img, 20, 10);
6. println(img.width);
0 !?

multilingual reference

[0 Replies]
- 06-Feb-2013 09:20 AM
- Forum: General Discussion
Hello

I might gonna teach processing to school students in the next time.

I thought if there would be an german reference to p5 and the only thing i found is this post from the old forum.

http://www.processing.org/discourse/alpha/board_Collaboration_action_display_num_1072446756.html

Does anybody know what to the results happened. if there is something in german available or if not would like to contribute in writing a german reference with me

Cheers,

Ramin

Contribution to the core

[6 Replies]
- 05-Feb-2013 07:50 AM
- Forum: Library and Tool Development
Hi,

Is it possible to contribute to the core library?

Over the time I have added some functions that helped me with my programs and come, functions that for seemed to be beneficial in general, for examples better integration of the PVector class ( drawing functions using PVectors instead of all coordinates as parameters...)

So is there a way to submit or suggest my extensions

Cheers,

Ramin

many copy calls lead to OutOfMemoryError

[3 Replies]
- 30-Dec-2012 08:20 AM
- Forum: Core Library Questions
Hi everyone,

I'm working on a program, which slices up images and draws these slices on the screen. But no matter if I try PGraphics or PImages after a while my program simply crashes because of the OutOfMemoryError.

I have simplified my program so that is easy go trough it. But it seems like if the copy call leaves something in the memory, which is not cleaned up.
2. PImage s1, s2;
3. int left = 1;
4. int mode = 0;
5. int sliceW = 50;
6. PImage pg;
8. @Override
9. public void setup() {
10. super.setup();
11. s1 = loadImage("1.jpg");
12. s2 = loadImage("2.jpg");
13. size(s1.width * 2,s1.height);
14. pg = createImage((int)( s1.width * .5f), s1.height , RGB);
15. }
17. @Override
18. public void draw() {
19. Object[] leftG = getSlice(getPart(false, left == 1 ? s1 : s2), sliceW);
20. Object[] rightG = getSlice(getPart(true, left == 1 ? s2 : s1), sliceW);
21. switch (mode) {
22. case 0: // simple copy
23. image((PImage) leftG[0], (Integer) leftG[1], 0);
24. image((PImage) rightG[0], width - (Integer) rightG[1], 0);
25. break;
26. }
27. }
29. private Object[] getSlice(PImage pg, int size) {
30. PImage slice = createImage(size, pg.height, RGB);
31. int x = (int) random(pg.width - size);
32. slice.copy(pg, x, 0, size, pg.height, 0, 0, size, pg.height);
33. return new Object[] { slice, x };
34. }
36. private PImage getPart(boolean left, PImage img) {
37. int pgX = (int) (img.width * .5f);
38. int pgY = img.height;
39. if (left)
40. pg.copy(img, 0, 0, pgX, pgY, 0, 0, pgX, pgY);
41. else
42. pg.copy(img, (int) img.width - pgX, 0, pgX, pgY, 0, 0, pgX, pgY);
43. return pg;
44. }

Processing Google Community!

[0 Replies]
- 18-Dec-2012 08:44 AM
- Forum: General Discussion
https://plus.google.com/u/0/communities/103031190366755389488

PGL getting started

[1 Reply]

16-Dec-2012 08:30 AM
Forum: Core Library Questions

Hello everyone,

I want to get start using OPENGL in P5.

I am not sure how to start it and I can't find any tutorial on the

subject.

I want to start drawing a gradiant traingle so I found this for

JOGL.

                  
                                    gl.glBegin(GL.GL_POLYGON);
                    //We want to draw triangle in gradient color
                    //So setting the color of first vertex as red
                    gl.glColor4f(1, 0, 0, 1); 
                    gl.glVertex2d(100, 100);
                    //Setting the color of second vertex as green
                    gl.glColor4f(0, 1, 0, 1);
                    gl.glVertex2d(100, 200);
                    //Setting the color of third vertex as blue
                    gl.glColor4f(0, 0, 1, 1);
                    gl.glVertex2d(200, 200);
                    //Our polygon ends here 
                    gl.glEnd();
                    gl.glFlush();
                  
from
http://wiki.tankaar.com/index.php?title=Drawing_First_2D_Graphics_in_JOGL

but I don't know how to reproduce those line in P5 as I even can't find

a class (I don't know the purpose and difference between PGL, GL,...)

that has the glBegin function.

Can someone give me a hint how to start.

Thanks in advance.

ra

ProControll library with 64bit processors

[3 Replies]
- 12-Jan-2012 01:37 PM
- Forum: Contributed Library Questions
Hey everyone,

I was trying out the ProControll library on a new machine. I'm working with eclipse on a windows7 machine.

Now after adding the library to the path and adding the folder for native library. When i start the applet i get the exception:

Exception in thread "Animation Thread" java.lang.UnsatisfiedLinkError: C:\Program Files (x86)\Java\Processing\processing-1.5.1\modes\java\libraries\procontroll\library\jinput-dx8.dll: Can't load IA 32-bit .dll on a AMD 64-bit platform

does anybody know how to deal with that. if i can bypass this or if i need another dll to get it running.

kind regards,

ramin

Controlfield Textfield- setText?!

[0 Replies]
- 01-Dec-2010 04:02 AM
- Forum: Contributed Library Questions
hey everyone,

isn't it possible to set and display the text of a controlp5 Textfield in the code?
i want to type something in and immediatly see it again in it, or see it later when the field gets invisible and visible later.
i tried everything, setText, setValue, draw, update, submit,...
some of those methods threw a InvocationTargetException, but i was not able to display the text i want.
i dont want to use a 2. textlabel.

regards,
ramin

PApplet exit function

[2 Replies]
- 28-Nov-2010 08:00 AM
- Forum: Core Library Questions
hey everyone,

how is it possible to run some code when the user closes the program.
i use processing in eclipse but i haven't found the onExit method or something that processing had some versions ago or anything in the superclasses of it to add a listener or something.
regards,
ramin

video process and recording

[2 Replies]
- 09-Aug-2010 04:20 AM
- Forum: Contributed Library Questions
hey,
i have some trouble with the new video library, cause i remember things seemed to work well before but don't do at the moment.

i simply play a video, apply some effects on each image and record the result in a new video.

the effects are so extensive that it won't happen in realtime. no problem- i just need the result... anyway

if i read an image from the movie, edit and save it in the draw method or maybe in a separated method the result is that i only get a few images from the whole movie. it seems like the movie is played in a separated thread and the effect and recording just gets an image from time to time.

does anybody have the same problem, or know what may be wrong?

thanks,

ramin

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