Today we looked at how to import sounds to the Unreal 4 engine, and how to trigger them using collision events. For the purposes of this exercise, I created a radio in 3DS Max.
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| A radio I created in 3DS Max |
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| A trigger box, with an audio emitter linked to it |
To create a sound on a collision, I placed a trigger box in the level in Unreal. A trigger box will carry out actions upon collision with a certain object, in this case it is the player walking through this doorway which will trigger the actions. Pictured below is the blueprint for the various collision events, and the resulting sound effects that will be played upon doing so.
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| The blueprint for the collision events and sound emmiters |
The blueprint is a good method of generating sounds that are dynamic and responsive, it allows you to play audio at certain locations, change elements such as pitch and volume at random, and layer various audio clips together to create a sound effect that has audible depth.
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