GM: Order of events

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When your game runs, it's run in a specific order of events, certain events run before other events and it's well to know in which order they are. Here is that order, from start to finish. All tests done in GM6.1 (Registered, Advanced Mode).

Contents 1 Game Started 2 Normal Step 3 Game Closed 4 Room Change*** 5 Other Events 6 Notes

[edit] Game Started

• Instance Creation Code
• Create
• Game Start
• Room - Creation code
• Room Start
• Room Start
• Draw

[edit] Normal Step

• Begin Step
• Alarm 0
• Keyboard and mouse
• Keyboard and mouse press
• Keyboard and mouse release
• Step
• End Of Path
• Outside room
• Intersect Boundary
• Collision events*
• End Step
• Draw
• Animation End**

[edit] Game Closed

• Room End
• Game End

[edit] Room Change***

• Room End
• Instance Creation Code (Only if object is not persistent from previous room)
• Create (Only if object is not persistent from previous room)
• Room - Creation code
• Room Start
• Draw

[edit] Other Events

• User Defined Events - Executed at call; doesn't wait for current event, or any other ones, to finish.
• Out of Health - Executed the moment they run out; doesn't wait for current event, or any other ones, to finish.
• Out of Lives - Same as Out Of Health
• Destroy – Will immediately execute when the object gets destroyed. Will not execute at the end of the game or at a room transition.

[edit] Notes

• (*) If the collision event is only in one object:
  • Object(with event) - Collision with other object
    
    If the collision event is in both objects:
  • Object1 - Collision with Object2
  • Object2 - Collision with Object1
  • Object2 - Collision with Object1
  • Object1 - Collision with Object2
• (**) Will execute once if sprite is animated (when it ends). Will execute every step with single image sprite or no sprite.
• (***) Doesn’t wait for rest of the events to finish, will execute immediately and then continue from the start of “Normal Step”.