Add extension methods for RectTransform

Author: adamgraham

Runtime/Extensions/RectTransformExtensions.cs

@@ -0,0 +1,92 @@
+using UnityEngine;
+
+namespace Zigurous.UI
+{
+    /// <summary>
+    /// Extension methods for RectTransform.
+    /// </summary>
+    public static class RectTransformExtensions
+    {
+        /// <summary>
+        /// Sets the width of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="width">The width value to set.</param>
+        public static void SetWidth(this RectTransform rect, float width) =>
+            rect.sizeDelta = new Vector2(width, rect.sizeDelta.y);
+
+        /// <summary>
+        /// Sets the height of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="height">The height value to set.</param>
+        public static void SetHeight(this RectTransform rect, float height) =>
+            rect.sizeDelta = new Vector2(rect.sizeDelta.x, height);
+
+        /// <summary>
+        /// Sets the left offset of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="left">The left offset value to set.</param>
+        public static void SetLeft(this RectTransform rect, float left) =>
+            rect.offsetMin = new Vector2(left, rect.offsetMin.y);
+
+        /// <summary>
+        /// Sets the right offset of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="right">The right offset value to set.</param>
+        public static void SetRight(this RectTransform rect, float right) =>
+            rect.offsetMax = new Vector2(-right, rect.offsetMax.y);
+
+        /// <summary>
+        /// Sets the top offset of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="top">The top offset value to set.</param>
+        public static void SetTop(this RectTransform rect, float top) =>
+            rect.offsetMax = new Vector2(rect.offsetMax.x, -top);
+
+        /// <summary>
+        /// Sets the bottom offset of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="bottom">The bottom offset value to set.</param>
+        public static void SetBottom(this RectTransform rect, float bottom) =>
+            rect.offsetMin = new Vector2(rect.offsetMin.x, bottom);
+
+        /// <summary>
+        /// Sets the left anchor of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="minX">The left anchor value to set.</param>
+        public static void SetAnchorMinX(this RectTransform rect, float minX) =>
+            rect.anchorMin = new Vector2(minX, rect.anchorMin.y);
+
+        /// <summary>
+        /// Sets the bottom anchor of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="minY">The bottom anchor value to set.</param>
+        public static void SetAnchorMinY(this RectTransform rect, float minY) =>
+            rect.anchorMin = new Vector2(rect.anchorMin.x, minY);
+
+        /// <summary>
+        /// Sets the right anchor of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="maxX">The right anchor value to set.</param>
+        public static void SetAnchorMaxX(this RectTransform rect, float maxX) =>
+            rect.anchorMax = new Vector2(maxX, rect.anchorMax.y);
+
+        /// <summary>
+        /// Sets the top anchor of the rect transform to the given value.
+        /// </summary>
+        /// <param name="rect">The rect transform to update.</param>
+        /// <param name="maxY">The top anchor value to set.</param>
+        public static void SetAnchorMaxY(this RectTransform rect, float maxY) =>
+            rect.anchorMax = new Vector2(rect.anchorMax.x, maxY);
+
+    }
+
+}