Differences

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--- hong_kong_students_click_here [2015/07/23 10:27]
ffpaladin
+++ hong_kong_students_click_here [2015/07/23 14:50] (current)
ffpaladin
@@ Line 277: / Line 277: @@
 }
+</code>
+Moving Ball
+<code>
+int counter;
+int x = 0;
+int y = 0;
+int dx = 5;
+int dy = 2;
+void setup() {  //setup function called initially, only once
+  size(500, 500);
+}
+void draw() {  //draw function loops
+  background(0);
+  ellipse(x,y,20,20);
+  if (x > 500) {
+    dx = dx * -1;
+  }
+  if (x < 0) {
+    dx = dx * -1;
+  }
+  if (y > 500) {
+    dy = dy * -1;
+  }
+  if (y < 0) {
+    dy = dy * -1;
+  }
+  x = x + dx;
+  y = y + dy
+  if (mousePressed) {
+   x = mouseX;
+   y = mouseY;
+ }
+}
 </code>

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