Source:setRelative
Available since LÖVE 0.9.0 |
This function is not supported in earlier versions. |
Sets whether the Source's position, velocity, direction, and cone angles are relative to the listener, or absolute.
By default, all sources are absolute and therefore relative to the origin of love's coordinate system [0, 0, 0]. Only absolute sources are affected by the position of the listener.
Contents
Function
Synopsis
Source:setRelative( enable )
Arguments
boolean enable ("false")
- True to make the position, velocity, direction and cone angles relative to the listener, false to make them absolute.
Returns
Nothing.
Absolute Source Demonstration
This example demonstrates how an absolute source is affected by the position of the listener.
-- The position of the listener.
local x, y, z;
-- The sound to play.
local snd;
function love.load()
snd = love.audio.newSource('example.ogg', 'static')
snd:setRelative(false); -- Make the sound'absolute'.
snd:setLooping(true);
snd:play();
-- Set the position of the listener and the source to the middle of the screen.
x = love.graphics.getWidth() * 0.5;
y = love.graphics.getHeight() * 0.5;
z = 0;
love.audio.setPosition(x, y, z);
snd:setPosition(x, y, z);
end
-- Move the listener to the left ('a') or to the right ('d').
function love.keypressed(key)
if key == 'a' then
x = x - 1;
love.audio.setPosition(x, y, z);
elseif key == 'd' then
x = x + 1;
love.audio.setPosition(x, y, z);
end
end
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