fix(MorphMesh): fix duration api

Author: lmichaelis

ZenKit.Test/TestMorphMesh.cs

@@ -40,7 +40,7 @@ public void TestLoad()
 			Assert.That(ani.Layer, Is.EqualTo(1));
 			Assert.That(ani.BlendIn, Is.EqualTo(0.0100000007f));
 			Assert.That(ani.BlendOut, Is.EqualTo(-0.0100000007f));
-			Assert.That(ani.Duration, Is.EqualTo(400.0f));
+			Assert.That(ani.Duration.TotalSeconds, Is.EqualTo(0.4));
 			Assert.That(ani.Speed, Is.EqualTo(0.0250000004f));
 			Assert.That(ani.Flags, Is.EqualTo(0));
 			Assert.That(ani.FrameCount, Is.EqualTo(10));

ZenKit/MorphMesh.cs

@@ -54,7 +54,7 @@ internal MorphAnimation(UIntPtr handle)
 		public int Layer => Native.ZkMorphAnimation_getLayer(_handle);
 		public float BlendIn => Native.ZkMorphAnimation_getBlendIn(_handle);
 		public float BlendOut => Native.ZkMorphAnimation_getBlendOut(_handle);
-		public TimeSpan Duration => TimeSpan.FromSeconds(Native.ZkMorphAnimation_getDuration(_handle));
+		public TimeSpan Duration => TimeSpan.FromMilliseconds(Native.ZkMorphAnimation_getDuration(_handle));
 		public float Speed => Native.ZkMorphAnimation_getSpeed(_handle);
 		public byte Flags => Native.ZkMorphAnimation_getFlags(_handle);
 		public uint FrameCount => Native.ZkMorphAnimation_getFrameCount(_handle);