Processing Forum

Screen name:
optio20

optio20's Profile

1 Posts

1 Responses

0 Followers

Activity Trend

Last 30 days

Loading Chart...

Show:

Expanded view
List view

Redo the draw again

[2 Replies]
- 21-Oct-2010 06:42 AM
- Forum: Programming Questions
I confuse how to put a function to a mouse click so if i click the mouse it will start produce the ball and checking the collision again. I tried timer function but it didnt work. Thank you so much before it.

here's my code sorry for the comment, just ignore it

Cheers
1. /*Designed
2. ~~~~~~~~
3. Shan Markus 07/09/2010
5. second modified 03/10/2010
7. Modified
8. ~~~~~~~~
9. */
10. // ---------------------------------------------------------------------------- Initialisation
11. // Global (i.e. PApplet-wide) constants and variables
13. float xPosOut = width/16; // xposition for outside canvas
14. float yPosOut = height/16; // yposition for outside canvas
15. float xPosIn = xPosOut + 100; // xposition for inside canvas
16. float yPosIn = yPosOut + 100; // yposition for inside canvas
17. float xOut = width/1.15; // width for outside canvas
18. float yOut = height/1.2; // height for outside canvas
19. float xIn = xOut - 200; // width for inside canvas
20. float yIn = yOut - 200; // height for inside canvas
21. float xspeed = 2.8; // Speed of the shape
22. float yspeed = 2.2; // Speed of the shape
23. int xdirection = 1; // Left or Right
24. int ydirection = 1; // Top to Bottom
25. ArrayList smallballs;
26. ArrayList testsmallballs;
27. int ballWidth = 15;
28. PFont fontlifedeath;
29. int x =120; //x-coordinate of ellipse moving around sketch edge.
30. int y =115; //y-coordinate of ellipse moving around sketch edge.
31. int speed = 10;
32. int state;
33. Timer timer;
35. Ball[] balls = {
36. new Ball(900, 600, 60),
37. new Ball(700, 400, 60)
38. };
40. PVector[] vels = {
41. new PVector(random(-5.0,5.0), random(-5.0,5.0)),
42. new PVector(random(-5.0,5.0), random(-5.0,5.0))
43. };
45. // ----------------------------------------------------------------------------- Setup
46. void setup() {
47. background(0);
48. int x = 1500;
49. int y = 800;
50. size(x,y);
51. smallballs = new ArrayList();
52. testsmallballs = new ArrayList();
53. timer = new Timer(200);
54. frameRate(50);
55. }
57. // ------------------------------------------------------------------------------ Main methods
58. void draw() {
60. Canvas canvas = new Canvas(); // initiate the canvas
61. canvas.CanvasDraw(); // draw the canvas
62. canvas.CanvasPattern(); // draw the canvas pattern
63. fill(255);
65. // Drawing a ball that collide each other (Adapted from Ira Greenberg)
66. for (int i=0; i< 2; i++) {
67. balls[i].x += vels[i].x;
68. balls[i].y += vels[i].y;
69. ellipse(balls[i].x, balls[i].y, balls[i].r*2, balls[i].r*2);
70. checkBoundaryCollision(balls[i], vels[i]);
72. }
73. mycheckObjectCollison(balls, vels);
74. }
77. // check the ball collision with each others
78. void mycheckObjectCollison(Ball[] b, PVector[] v){
79. PVector bVect = new PVector();
80. bVect.x = b[1].x - b[0].x;
81. bVect.y = b[1].y - b[0].y;
83. PVector stop = new PVector();
84. stop.x = 0;
85. stop.y = 0;
87. float bVectMag = sqrt(bVect.x * bVect.x + bVect.y * bVect.y);
88. if(bVectMag < b[0].r + b[1].r){
89. for(int k =0; k < 2; k ++){
90. v[k].x= 0;
91. v[k].y= 0;
92. }
93. Canvas canvas = new Canvas(); // initiate the canvas
94. canvas.CanvasDraw(); // draw the canvas
95. canvas.CanvasPattern(); // draw the canvas pattern
96. smallballs.add(new thisBall(b[0].x,b[0].y, ballWidth));
97. testsmallballs.add(new thisBall(b[0].x,b[0].y, ballWidth));
98. for (int i = smallballs.size()-1; i >= 0; i--) {
99. thisBall smallball = (thisBall) smallballs.get(i);
100. thisBall testball = (thisBall) testsmallballs.get(i);
101. smallball.Rightmove();
102. testball.Leftmove();
103. smallball.display();
104. testball.display();
105. if (smallball.finished() || testball.finished()) {
106. smallballs.remove(i);
107. testsmallballs.remove(i);
108. timer.start();
109. }
110. }
111. }
112. }
114. // check the ball collision with the wall
115. void checkBoundaryCollision(Ball ball, PVector vel) {
116. if (ball.x > ((width/1.15))-ball.r) {
117. ball.x = ((width/1.15))-ball.r;
118. vel.x *= -1;
119. }
120. else if (ball.x < ((width/16) + 160)) {
121. ball.x = ((width/16) + 160);
122. vel.x *= -1;
123. }
124. else if (ball.y > ((height/1.2)-30)-ball.r) {
125. ball.y = ((height/1.2)-30)-ball.r;
126. vel.y *= -1;
127. }
128. else if (ball.y < ((height/16) + 175)) {
129. ball.y = ((height/16) + 175);
130. vel.y *= -1;
131. }
132. }
134. //mouse interaction, not implemented yet
135. void mousePressed () {
138. }
141. // ----------------------------------------------------------------------------------- Classes
143. // Ball class
144. class Ball {
145. float x, y, r, m;
147. // default Ball constructor
148. Ball() {
149. }
151. Ball(float x, float y, float r) {
152. this.x = x;
153. this.y = y;
154. this.r = r;
155. m = r*.1;
156. }
158. }
160. // Canvas class
161. public class Canvas {
162. int xPosOut = 90;
163. int yPosOut = 70;
164. int xPosIn = xPosOut + 100;
165. int yPosIn = yPosOut + 100;
166. float xOut = width/1.15;
167. float yOut = height/1.2;
168. float xIn = xOut - 200;
169. float yIn = yOut - 200;
171. // draw the canvas
172. void CanvasDraw() {
173. rect(xPosOut, yPosOut, xOut, yOut);
174. //rect(xPosIn, yPosIn, xIn, yIn);
175. }
177. // draw canvas pattern
178. void CanvasPattern() {
179. // Canvas top pattern
180. for(float i = 70; i <= 120.0; i+= 10){
181. smooth();
182. noFill();
183. bezier(90, i, 300, 220, 500, 100, 750,i);
184. noFill();
185. }
186. for(float i = 120; i <= 170.0; i+=10){
187. bezier(90, i, 500, 100, 300, 40, 750, i);
188. noFill();
189. }
190. for(float i = 70; i <= 120.0; i+= 10){
191. smooth();
192. noFill();
193. bezier(750, i, 900, 50, 1000, 240, 1395, i);
194. noFill();
195. }
196. for(float i = 120; i <= 170.0; i+=10){
197. bezier(750, i, 800, 145, 1200, 10, 1395, i);
198. noFill();
199. }
203. // Canvas Below pattern
204. for(float i = 636; i <= 686.0; i+= 10){
205. smooth();
206. noFill();
207. bezier(750, i, 1050, (636+150), 1250, 666, 1395,i);
208. noFill();
209. }
210. for(float i = 686; i <= 746.0; i+=10){
211. bezier(750, i, 1250, 666, 1050, 606, 1395, i);
212. noFill();
213. }
214. for(float i = 636; i <= 686.0; i+= 10){
215. smooth();
216. noFill();
217. bezier(90, i, 150, 616, 250, 806, 750,i);
218. noFill();
219. }
220. for(float i = 686; i <= 746.0; i+=10){
221. bezier(90, i, 50, 711,450, 576, 750, i);
222. noFill();
223. }
225. // Canvas left pattern
226. for(float i = 140; i <= 190.0; i+= 10){
227. smooth();
228. noFill();
229. bezier(i, 70, 90, 310, 200, 500, i, 750);
230. noFill();
231. }
232. for(float i = 90; i <= 140.0; i+=10){
233. bezier(i, 70, 200, 400, 90, 310, i, 750);
234. noFill();
235. }
237. // Canvas right pattern
238. for(float i = 1290; i <= 1340; i+=10){
239. bezier(i, 70, 1295, 310, 1405, 400, i, 750);
240. }
241. for(float i = 1340; i <= 1400; i+=10){
242. bezier(i, 70, 1410, 500, 1295, 310, i, 750);
243. }
244. }
245. }
247. class thisBall {
248. float x;
249. float y;
250. float speed;
251. float gravity;
252. float w;
253. float life = 255;
255. thisBall(float tempX, float tempY, float tempW) {
256. x = tempX;
257. y = tempY;
258. w = tempW;
259. speed = 0;
260. gravity = 0.1;
261. }
263. void Rightmove() {
264. // Add gravity to speed
265. speed = speed + gravity;
266. // Add speed to y location
267. y = y + random(1,5);
268. x = x + random(1,5);
269. // If square reaches the bottom
270. // Reverse speed
271. if (y > 630) {
272. // Dampening
273. speed = speed * -1;
274. y = 630;
275. }else if (x > width/1.15){
276. x = x - 2;
277. } else if (x < (width/16)){
278. x = x + 2;
279. }
280. }
282. void Leftmove() {
283. // Add gravity to speed
284. speed = speed + gravity;
285. // Add speed to y location
286. y = y + random(1,5);
287. x = x - random(1,5);
288. // If square reaches the bottom
289. // Reverse speed
290. if (y > 630) {
291. // Dampening
292. speed = speed * -1;
293. y = 630;
294. } else if (x > width/1.15){
295. x = x - 2;
296. } else if (x < (width/16)){
297. x = x + 2;
298. }
300. }
302. boolean finished() {
303. // Balls fade out
304. life-=4;
305. if (life < 0) {
306. return true;
307. } else {
308. return false;
309. }
310. }
312. void display() {
313. // Display the circle
314. fill(0,life);
316. //stroke(0,life);
317. ellipse(x,y,w,w);
318. }
320. }

«Prev
Next »