exemplify Source:setDirectivity;

examples/Audio/Directivity/main.lua

@@ -0,0 +1,42 @@
+function lovr.load()
+  source = lovr.audio.newSource('sine.wav')
+  source:setEffectEnabled('spatialization')
+  source:setDirectivity(.5, 2.0)
+  source:setLooping(true)
+  source:setVolume(.8)
+  source:play()
+end
+
+function lovr.update(dt)
+  local x, y, z = 0, 1, -1
+  local yaw = lovr.timer.getTime() * 2
+  source:setPose(x, y, z, yaw, 0, 1, 0)
+  lovr.audio.setPose(lovr.headset.getPose())
+end
+
+function lovr.draw()
+  shader = shader or lovr.graphics.newShader(
+    [[out vec3 vNormal;
+      vec4 position(mat4 p, mat4 t, vec4 v) {
+        vNormal = normalize(lovrNormalMatrix * lovrNormal);
+        return p * t * v;
+      }]],
+    [[in vec3 vNormal;
+      vec4 color(vec4 g, sampler2D i, vec2 uv) {
+        vec3 L = vec3(0., 1., 0.);
+        vec3 N = normalize(vNormal);
+        float NoL = dot(N, L) * .5 + .5;
+        return vec4(vec3(NoL), 1.);
+      }
+    ]]
+  )
+  lovr.graphics.setShader(shader)
+  local length = .1
+  local r1, r2 = .06, .01
+  local x, y, z, angle, ax, ay, az = source:getPose()
+  lovr.graphics.cylinder(x, y, z, length, angle, ax, ay, az, r1, r2)
+  lovr.graphics.setShader()
+  if lovr.audio.getSpatializer() ~= 'phonon' then
+    lovr.graphics.print('Warning: phonon spatializer is not active', 0, 1.2, -1, .05)
+  end
+end