Add project files.

Assets/Cryville/Common/ComponentModel/RangeAttribute.cs

@@ -0,0 +1,14 @@
+using System;
+
+namespace Cryville.Common.ComponentModel {
+	[AttributeUsage(AttributeTargets.Property, AllowMultiple = false)]
+	public class RangeAttribute : Attribute {
+		public RangeAttribute(float min, float max) {
+			Min = min;
+			Max = max;
+		}
+
+		public float Min { get; set; }
+		public float Max { get; set; }
+	}
+}