Actor passes through inner tiles of smooth platform

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Actor passes through tiles painted using the smooth platform brush because inner tiles do not have colliders by default.

Symptoms

Collisions are not detected between objects and inner tiles (those that are surrounded by 8 other tiles).

Causes

The smooth platform brush does not include a box collider on inner tiles by default because they are usually not needed for 2.5D platform type games. Omission of these colliders improves performance both in editor and in game.

Resolve

Resolution #1 - Better when possible:

Manually add minimum number of colliders using empty game objects instead of using colliders in brushes. The fewer colliders the better!

Resolution #2 - Less efficient but often easier:

1. Find and select the following prefab in Project panel: "Rotorz/Tile System/TileBrushes/Blocks/Smooth Block/centre_inner.prefab".

2. Select menu Component | Physics | Box Collider.

3. Ensure that centre of collider is set to (0, 0, 0) and that size of collider is set to (1, 1, 1) using Inspector.

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