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### 4.2.3 Simple Tutorial 3: Map Loading, Collision Detection

This tutorial continues on tutorial one. Here we will learn how to load a map from a file instead of creating the geometry programmatically. You can find a fully-commented version of this tutorial's source code in the Crystal Space source directory at ``CS/apps/tutorial/simpmap'`.

This tutorial features (in addition to what is explained in simple1 tutorial):

- Creating geometry by loading a map file using `iLoader::LoadMap()`.
- Setting up collision detection for the loaded map using `csColliderHelper::InitializeCollisionWrappers()`.
- Doing movement and collision detection using the `csColliderActor` class.
- Finding a starting position in the map file using `iEngine::GetCameraPositions()`.

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