【GAMEMAKER】Hearts

 Information about object: objHeart

Sprite: sprHeart
Solid: false
Visible: true
Depth: 0
Persistent: false
Parent:
Children:
Mask:

No Physics Object

Information about object: objPlayer

Sprite: sprPlayer
Solid: false
Visible: true
Depth: 0
Persistent: false
Parent:
Children:
Mask:

No Physics Object

Create Event:

COMMENT: Set the initial number of hearts the player has

set variable Hearts to 3

COMMENT: Set the initial number of lives a player has

set the number of lives to 15

Step Event:

COMMENT: Just generic move code

execute code:

if keyboard_check(vk_left) then x-=4;
if keyboard_check(vk_right) then x+=4;
if keyboard_check(vk_up) then y-=4;
if keyboard_check(vk_down) then y+=4;

Collision Event with object objHeart:

COMMENT: Check to make sure they dont already have 3 hearts

if expression Hearts<3 is true

      COMMENT: Add one heart, since they have less than 3

      set variable Hearts relative to 1

COMMENT: Remove the heart, since the just used it. 

COMMENT: If you want the heart to NOT dissapear if they can not use it

COMMENT: Move this destroy event ABOVE the end block icon above

for other object: destroy the instance

Collision Event with object objEnemy:

COMMENT: Take 1 heart away from the player

set variable Hearts relative to -1

COMMENT: Chek to see if hearts=0 (We just took their last heart)

if expression Hearts=0 is true

      COMMENT: Their last heart was taken, so....

      COMMENT: Remove 1 life

      COMMENT: No More Lives event will occur if no lives are left

      COMMENT: Right click OUTSIDE to find the No More Lives event

      set the number of lives relative to -1

      COMMENT: Set their hearts back to 3 for this next life

      set variable Hearts to 3

COMMENT: Get rid of the object that just took our life

for other object: destroy the instance

Other Event: No More Lives:

COMMENT: Tell them they are out of lives

display message: No More Lives

COMMENT: Restart the game

restart the game

Information about object: objEnemy
Sprite: sprEnemy
Solid: false
Visible: true
Depth: 
0
Persistent: false
Parent: 
Children: 
Mask: 

No Physics Object

Information about object: objController
Sprite: sprController
Solid: false
Visible: true
Depth: 
0
Persistent: false
Parent: 
Children: 
Mask: 

No Physics Object
Draw Event:
COMMENT: Variable used to position the hearts we are drawing for the player
set variable HeartNum to 1
COMMENT: Repeat the following for each heart the player has
repeat next action (block) objPlayer.Hearts times
      COMMENT: Increase the temporary heart counter by 1
      set variable HeartNum relative to 1
      COMMENT: Draw a heart at upper right corner, offset by the heartnum*32 pixels
      at position (400+(HeartNum*32),0) draw image -1 of sprite sprHeart