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Object based buttons.

[3 Replies]
- 02-Dec-2011 12:29 AM
- Forum: Programming Questions
I know this might be something simple but its driving me nuts. How do I get each button to do something different? Thanks.
2. ImageButtons1 button1;
3. ImageButtons1 button2;
4. ImageButtons1 button3;
5. PImage bg;
7. void setup()
8. {
9. size(800,600);
10. bg = loadImage("lcarsbg.jpg");
12. PImage b = loadImage("button_orange.gif");
13. PImage r = loadImage("button_pale_red.gif");
14. PImage d = loadImage("button_orange.gif");
16. int x = 225;
17. int y = 250;
18. int w = b.width;
19. int h = b.height;
20. button1 = new ImageButtons1(x, y, w, h, b, r, d);
22. PImage bf = loadImage("button_orange.gif");
23. PImage rf = loadImage("button_pale_red.gif");
24. PImage df = loadImage("button_orange.gif");
26. int xf = 225;
27. int yf = 300;
28. int wf = bf.width;
29. int hf = bf.height;
30. button2 = new ImageButtons1(xf, yf, wf, hf, bf, rf, df);
32. PImage bh = loadImage("button_orange.gif");
33. PImage rh = loadImage("button_pale_red.gif");
34. PImage dh = loadImage("button_orange.gif");
36. int xh = 225;
37. int yh = 350;
38. int wh = bh.width;
39. int hh = bh.height;
40. button3 = new ImageButtons1(xh, yh, wh, hh, bh, rh, dh);
41. }
43. void draw()
44. {
45. background(bg);
46. button1.update();
47. button1.display();
48. button2.update();
49. button2.display();
50. button3.update();
51. button3.display();
52. }
54. class Button1
55. {
56. int x, y;
57. int w, h;
58. color basecolor, highlightcolor;
59. color currentcolor;
60. boolean over = false;
61. boolean pressed = false;
63. void pressed() {
64. if(over && mousePressed) {
65. pressed = true;
66. } else {
67. pressed = false;
68. }
69. }
71. boolean overRect(int x, int y, int width, int height) {
72. if (mouseX >= x && mouseX <= x+width &&
73. mouseY >= y && mouseY <= y+height) {
74. return true;
75. } else {
76. return false;
77. }
78. }
79. }
81. class ImageButtons1 extends Button1
82. {
83. PImage base;
84. PImage roll;
85. PImage down;
86. PImage currentimage;
88. ImageButtons1(int ix, int iy, int iw, int ih, PImage ibase, PImage iroll, PImage idown)
89. {
90. x = ix;
91. y = iy;
92. w = iw;
93. h = ih;
94. base = ibase;
95. roll = iroll;
96. down = idown;
97. currentimage = base;
98. }
100. void update()
101. {
102. over();
103. pressed();
104. if(pressed) {
105. currentimage = down;
106. } else if (over){
107. currentimage = roll;
108. } else {
109. currentimage = base;
110. }
111. }
113. void over()
114. {
115. if( overRect(x, y, w, h) ) {
116. over = true;
117. } else {
118. over = false;
119. }
120. }
122. void display()
123. {
124. image(currentimage, x, y);
125. }
126. }

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