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--- notes:cprog:spring2025:projects:mtb4 [2025/03/12 20:24] – [logic to implement] tstrickl
+++ notes:cprog:spring2025:projects:mtb4 [2025/03/13 03:45] (current) – [power ups] bdildine
@@ Line 40: / Line 40: @@
 };
-instead of literally typing 1, you could just write MATT, and it would automatically be replaced by the value 1.
+instead of literally typing 1, you could just write MATT, and it would represent the value 1, but the type is enum, not int.
-Back to the context of powerups you could make an enum as such:
+Back to the context of powerups, you could make an enum as such:
 enum POWERUPS
 {
- Duplicate = 1,
+ DUPLICATE = 1,
- MoarDamage = 2,
+ MOARDAMAGE = 2,
- Faster = 3
+ FASTER = 3
 };
@@ Line 56: / Line 56: @@
 {
  Point position;
- int type;
+ POWERUPS type;
 }
-then define a struct with the desired powerup and position:
+then create a struct with the desired powerup and position:
+<code>
 void main()
 {
- Powerup *ptrPowerup;
+ Powerup *ptrPowerup;                          //create a pointer to a powerup
- ptrPowerup->position.x = screen_width / 2;
+ ptrPowerup->position.x = screen_width / 2;    //set x and y values of the point struct within the powerup
  ptrPowerup->position.y = screen_height / 2;
- ptrPowerup->type = DUPLICATE;
+ ptrPowerup->type = DUPLICATE;                   //set the type variable within the powerup struct to DUPLICATE, which represent the underlying value of 1
 }
+</code>
+now everytime that you call ptrPowerup->type it will return DUPLICATE, which under the hood, represents 1.
-after providing values, now everytime that you call ptrPowerup->type it will return 1, because DUPLICATE is defined as such.
+Some Power-Ups you could make could range from trivial to more difficult. One could be a Power-Up that increases the size of your paddle.
+You can accomplish this by checking if the Power-Up is active, then selecting a different region before drawing the paddle and the given coordinates.
+You will of course need to change the boundaries in which the ball collides with the bigger paddle as well.
+If you are using an array to track your Power-Ups, it would look something like:
+<code>
+if ( PowerUpCollected[1] == true )
+{
+    select_region( RegionLargePaddle );
+} else {
+    select_region( RegionPaddle );
+}
+draw_region_at( PaddleX, PaddleY );
+</code>

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