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Sound and players


grinseengel

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Hello,

I have a question about music and sound.

In my project I have a helicopter to which I have assigned a sound.

How can I program the sound louder and quieter depending on the distance of the player?

The following code I have now for the fundamental play.
sound = Sound:Load("Sound/military_helicopter.wav")



source = Source:Create() 
source:SetSound(sound) 
sound:Release() 
source:SetLoopMode(true) 
source:Play() 

 

Are there any 3D sounds in Leadwerk?

In this context I would like to know how to determine the distance between two entities.

 

 

Andreas

1.png

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OK thanks for the help. I have the following code now.

 

range = 100


--Load a sound
local sound = Sound:Load("Sound/heli2.wav")
        
--Create a source
source = Source:Create() 
source:SetSound(sound) 
sound:Release() 
source:SetLoopMode(true)  
source:Play() 
source:SetPosition(Vec3(0,0,1))
source:SetRange(range)

local listener = Listener:Create() 
listener:SetPosition(0,0,0)
The problem now is that the sound is not heard anymore. It does not matter which range I enter. The sound is converted to mono.

I do not understand that now with the listener. Where do I have to integrate and which parameters do I have to set? 

I ask for help.
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If you try out the example from the documentation and swap the audio with your helicopter sound, does it work?

https://www.leadwerks.com/learn?page=API-Reference_Object_Source_SetRange

range = 1.5
--Create a window
window = Window:Create()
context = Context:Create(window)

--Load a sound
local sound = Sound:Load("Sound/heli2.wav") 
        
--Create a source
source = Source:Create() 
source:SetSound(sound) 
sound:Release() 
source:SetLoopMode(true)  
source:Play() 
source:SetPosition(Vec3(0,0,1))

--Create a listener
local listener = Listener:Create() 
listener:SetPosition(0,0,0)

while true do        
        --Press up/down keys to adjust the source range
        if (window:KeyDown(Key.Up))then range = range + Time:GetSpeed()*0.1 end
        if (window:KeyDown(Key.Down))then range =range - Time:GetSpeed()*0.1 end
        if (range < 0)then range=0 end 
        source:SetRange(range) 

        if window:Closed() or window:KeyHit(Key.Escape) then return false end

        Time:Update()
        context:SetColor(0,0,0)
        context:Clear()

        context:SetColor(1,1,1) 
        context:SetBlendMode(Blend.Alpha) 
        context:DrawText("Range: "..range,2,2) 

        context:Sync()

end

 

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1 hour ago, grinseengel said:

I use the FSP Player script which pretends leadwerk

I am assuming this means 'I use the default FPS player script that comes with Leadwerks'. This script creates a listenere. So if you have antther script in your scene that also creates a listener (either by attaching the script to an object or by using main.lua) than these 2 listeners are conflicting. Try creating your sound, without creating an additional listener and move your character close to the position of the source.

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range = 1000


--Load a sound
local sound = Sound:Load("Sound/heli2.wav") 
        
--Create a source
source = Source:Create() 
source:SetSound(sound) 
sound:Release() 
source:SetLoopMode(true)  
source:Play() 
source:SetPosition(Vec3(0,0,1))
source:SetRange(range) 
I have now added the following scripts and given the heli model.

When I start the project then I can hear at the beginning while the program loads the helisound. If the project is completely done then the sound will stop.

Even if I go close to the model, nothing changes.

This ist the listener from FPS-Script.
--Create listener
	self.listener = Listener:Create(self.camera)	
Complement:

The higher I set range I hear the heliosound. However, it does not become quieter or silenced when I move away from the model.
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The source is now fixed at position vec3(0,0,1) which might not be the actual position of your helicopter. Can you upload the sound? I will try out on my pc and send you the results.

source:SetPosition(sel.entity:GetPosition(true)) --Retrieve the position of the helicopter

Note that if your helicopter is moving, you need to update the position of the source.

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