un-hardcode fog config

src/main/kotlin/CustomFloatAttribute.kt

@@ -0,0 +1,21 @@
+package gay.pizza.CavesOfJolk
+
+import com.badlogic.gdx.graphics.g3d.attributes.FloatAttribute
+
+class CustomFloatAttribute private constructor(type: Long, value: Float): FloatAttribute(type, value)
+{
+	companion object
+	{
+		const val FogNearAlias = "fogNear"
+		val FogNear = register(FogNearAlias)
+		fun createFogNear(value: Float) = CustomFloatAttribute(FogNear, value)
+
+		const val FogFarAlias = "fogFar"
+		val FogFar = register(FogFarAlias)
+		fun createFogFar(value: Float) = CustomFloatAttribute(FogFar, value)
+
+		const val FogDensityAlias = "fogDensity"
+		val FogDensity = register(FogDensityAlias)
+		fun createFogDensity(value: Float) = CustomFloatAttribute(FogDensity, value)
+	}
+}