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Fading Images In/Out

[2 Replies]
- 13-Dec-2010 07:16 PM
- Forum: Programming Questions
Hey there, I'm having trouble getting my images to fade in and out. I know I need to use tint(); but I'm having more difficulty than I should be. Below is some of my code, hopefully someone can help me figure out what I need to do!
Right now the program is grabbing images from Flickr based on results from a Twitter search, and those images appear one at a time. I need them to fade in and out.
2. void draw() {
3. background(255);
4. if (frameCount % 200 == 1) {
5. index++;
7. if ( index >= fp.length ) {
8. index = 0;
10. tweetIndex++;
11. if ( tweetIndex >= tweets.length ) tweetIndex = 0;
13. String[] tokens = splitTokens(tweets[tweetIndex], " .,;:!@#&*?\"/-()");
15. ArrayList stopwords = new ArrayList();
16. String[] lines = loadStrings("stopwords.txt");
17. String allWords = join(lines, " ").toLowerCase();
18. String[] t = splitTokens(allWords, " ");
19. for (int i=0; i < t.length; i++) stopwords.add(t[i]);
21. ArrayList goodwords = new ArrayList();
22. for (int i=0; i < tokens.length; i++) {
23. //print(tokens[i]);
24. if ( stopwords.contains(tokens[i].toLowerCase()) == false ) {
25. // keep that word
26. goodwords.add( tokens[i] );
27. }
28. }
30. String[] searchwords = new String[ goodwords.size() ];
31. for (int i=0; i < searchwords.length; i++) {
32. searchwords[i] = (String)goodwords.get(i);
33. }
35. fp = new PImage[ searchwords.length ];
36. for ( int i=0; i < searchwords.length; i++) {
37. PImage[] tmp = flickrSearch( searchwords[i], 1 );
38. if ( tmp.length <= 0 ) {
39. // use default image
40. fp[i] = loadImage("unfocused.jpg");
41. }
42. else {
43. fp[i] = tmp[0];
44. }
45. }
46. }
47. }
49. image (fp[index], width/2, height/2);
50. fill(0);
51. text(tweets[tweetIndex], 10, height-10);
52. }

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