GRAB-Map-Making Guide: 4 Simple Trigger Tips

GRAB-Map-Making Guide: 4 Simple Trigger Tips

1Basic Animation Setup

Use the Animate tool to make objects move. You can choose what controls the movement (hand, head, grapple, etc.).

Important: Turn Start Active OFF. This stops the animation from playing automatically when the map loads.

Use a Trigger to start the animation when you want it to play.

Example of animation settings interface

2Two Common Mistakes to Avoid

1. Turn Shared Click OFF

This stops other players from accidentally clicking your triggers and ruining your solo experience.

2. Be Careful with "Start Active"

Keep it OFF by default. Start animations with a trigger instead. This prevents objects from moving strangely as soon as the map starts.

Comparison of correct and incorrect trigger settings

3How to Make a Working Door

Create a two-frame animation for the door:

  • Frame 1 (1 ms): Door closed.
  • Frame 2 (2 ms): Door open.

Place a Trigger (e.g., set to Grapple) and connect it to the animation. Make sure Toggle Reverse is ON.

Group the door and trigger together. You can then copy and paste this group to make more doors quickly.

Step-by-step door creation process

4Simple Key and Lock System

Make a door that only opens after you collect a key:

Create the Key:

Use an object (like a white block) as the key. Place it under the map using a two-frame animation so it's hidden at first.

Set up the Trigger:

When you "collect" the key (e.g., by clicking it), it activates a hidden trigger.

Create the Locked Door:

Animate the door, but keep Start Active OFF. Connect the hidden trigger from step 2 to this door's animation (set to Start).

Now, the door will only open after the key trigger is activated.

Key and lock mechanism visualization

Summary

  • Combine animation frames and triggers to create interactive maps.
  • Keep settings simple (Shared Off, Start Active Off) to avoid problems.
  • Use the key/lock system to add puzzles and make your maps more interesting.
  • Always test your triggers to make sure they work correctly.

Game Map Making Guide | Trigger Tips Tutorial

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