Diff: stack.cpp

Revision:

3:058e10b8ecf6

Parent:

2:4c5f409d6bb8

Child:

4:c00da0b158c4

--- a/stack.cpp	Mon Oct 31 00:59:12 2016 +0000
+++ b/stack.cpp	Mon Oct 31 02:53:59 2016 +0000
@@ -22,10 +22,48 @@
     Food bread(uLCD);
     stackOfFood.push_back(bread);
     lcd = uLCD;
+    top = 4;
 }
 
 void Stack::move(int dx) {
     // constrain 
     if (dx < 0) x = MAX(x + dx);
     else x = MIN(x + dx);
+}
+
+int Stack::size() {
+    return stackOfFood.size();
+}
+
+void Stack::clear() {
+    erase();
+    stackOfFood.clear();
+    Food bread(lcd);
+    stackOfFood.push_back(bread);
+    draw(); 
+}
+
+void Stack::erase() {
+    // ERASE
+    lcd->filled_rectangle(x, 4, x + 16, top - 1, BLACK);
+}
+
+void Stack::draw() {
+    // DRAW (loop thru food vector)
+    lcd->filled_rectangle(x - 1, 1, x + 17, 3, WHITE);
+    int j = 4;
+    for (int i = 0; i < stackOfFood.size(); i++) {
+        stackOfFood[i].x = x;
+        stackOfFood[i].y = j;
+        stackOfFood[i].draw();
+        j += 4;
+    }
+}
+
+void Stack::add(Food * collided) {
+    collided->x = x;
+    collided->y = top;
+    top += 4;
+    stackOfFood.push_back(*collided);
+    draw();
 }
\ No newline at end of file