Add vertical mode for ImageSliced3.

Assets/Cryville/Common/Unity/UI/ImageSliced3.cs

@@ -56,38 +56,28 @@ namespace Cryville.Common.Unity.UI {
 			set { m_compact = value; }
 		}
 
+		[SerializeField]
+		[Tooltip("Whether the sprite is vertical.")]
+		private bool m_isVertical;
+		/// <summary>
+		/// Whether the sprite is vertical.
+		/// </summary>
+		public bool IsVertical {
+			get { return m_isVertical; }
+			set { m_isVertical = value; }
+		}
+
 		public override Texture mainTexture {
 			get { return Sprite == null ? s_WhiteTexture : Sprite.texture; }
 		}
 
+		void GetCornerLength(int axis, int corner, Vector4 uv, out float length, out float uvLength) {
+			float border = Sprite.border[(corner << 1) | axis];
+			float sizeRatio = border / (axis == 0 ? Sprite.rect.height : Sprite.rect.width);
+			length = sizeRatio * (axis == 0 ? rectTransform.rect.height : rectTransform.rect.width);
+			uvLength = (uv[(axis ^ 1) | 2] - uv[axis ^ 1]) * (border / (axis == 0 ? Sprite.rect.width : Sprite.rect.height));
+		}
 		protected override void OnPopulateMesh(VertexHelper vh) {
-			float actualWidth = rectTransform.rect.width;
-
-			Vector4 uv = DataUtility.GetOuterUV(Sprite);
-
-			float cornerLeftSizeRatio = Sprite.border.x / Sprite.rect.height;
-			float actualLeftCornerWidth = cornerLeftSizeRatio * rectTransform.rect.height;
-			float actualLeftUVWidth = (uv.w - uv.y) * (Sprite.border.x / Sprite.rect.width);
-
-			float cornerRightSizeRatio = Sprite.border.z / Sprite.rect.height;
-			float actualRightCornerWidth = cornerRightSizeRatio * rectTransform.rect.height;
-			float actualRightUVWidth = (uv.w - uv.y) * (Sprite.border.z / Sprite.rect.width);
-
-			float actualTotalCornerWidth = actualLeftCornerWidth + actualRightCornerWidth;
-
-			Vector2 corner1 = new Vector2(0f, 0f);
-			Vector2 corner2 = new Vector2(1f, 1f);
-
-			corner1.x -= rectTransform.pivot.x;
-			corner1.y -= rectTransform.pivot.y;
-			corner2.x -= rectTransform.pivot.x;
-			corner2.y -= rectTransform.pivot.y;
-
-			corner1.x *= actualWidth;
-			corner1.y *= rectTransform.rect.height;
-			corner2.x *= actualWidth;
-			corner2.y *= rectTransform.rect.height;
-
 			if (Sprite == null) {
 				throw new UnityException("No sprite");
 			}
@@ -95,51 +85,87 @@ namespace Cryville.Common.Unity.UI {
 				throw new UnityException("No sprite border");
 			}
 
+			int axis = IsVertical ? 1 : 0;
+
+			float actualLength = axis == 0 ? rectTransform.rect.width : rectTransform.rect.height;
+
+			Vector4 uv = DataUtility.GetOuterUV(Sprite);
+
+			GetCornerLength(axis, 0, uv, out var actualStartCornerLength, out var actualStartUVWidth);
+			GetCornerLength(axis, 1, uv, out var actualEndCornerLength, out var actualEndUVLength);
+
+			float actualTotalCornerLength = actualStartCornerLength + actualEndCornerLength;
+
 			float w3, w4, w5, w6;
-			if (actualTotalCornerWidth > actualWidth) {
+			if (actualTotalCornerLength > actualLength) {
 				switch (Compact) {
 					case CompactMode.SqueezeBoth:
-						w3 = w4 = actualLeftCornerWidth / actualTotalCornerWidth * actualWidth;
+						w3 = w4 = actualStartCornerLength / actualTotalCornerLength * actualLength;
-						w5 = w6 = actualRightCornerWidth / actualTotalCornerWidth * actualWidth;
+						w5 = w6 = actualEndCornerLength / actualTotalCornerLength * actualLength;
 						break;
 					case CompactMode.SqueezeLeft:
-						w3 = w4 = actualWidth - actualRightCornerWidth;
+						w3 = w4 = actualLength - actualEndCornerLength;
-						w5 = w6 = actualRightCornerWidth;
+						w5 = w6 = actualEndCornerLength;
 						break;
 					case CompactMode.SqueezeRight:
-						w3 = w4 = actualLeftCornerWidth;
+						w3 = w4 = actualStartCornerLength;
-						w5 = w6 = actualWidth - actualLeftCornerWidth;
+						w5 = w6 = actualLength - actualStartCornerLength;
 						break;
 					case CompactMode.DiagonalLeft:
-						w3 = actualLeftCornerWidth;
+						w3 = actualStartCornerLength;
-						w4 = actualWidth - actualRightCornerWidth;
+						w4 = actualLength - actualEndCornerLength;
-						w5 = actualWidth - actualLeftCornerWidth;
+						w5 = actualLength - actualStartCornerLength;
-						w6 = actualRightCornerWidth;
+						w6 = actualEndCornerLength;
 						break;
 					case CompactMode.DiagonalRight:
-						w3 = actualWidth - actualRightCornerWidth;
+						w3 = actualLength - actualEndCornerLength;
-						w4 = actualLeftCornerWidth;
+						w4 = actualStartCornerLength;
-						w5 = actualRightCornerWidth;
+						w5 = actualEndCornerLength;
-						w6 = actualWidth - actualLeftCornerWidth;
+						w6 = actualLength - actualStartCornerLength;
 						break;
 					default:
 						throw new ArgumentOutOfRangeException("Compact");
 				}
 			}
 			else {
-				w3 = w4 = actualLeftCornerWidth;
+				w3 = w4 = actualStartCornerLength;
-				w5 = w6 = actualRightCornerWidth;
+				w5 = w6 = actualEndCornerLength;
 			}
 
+			Vector2 corner1 = Vector2.zero;
+			Vector2 corner2 = Vector2.one;
+
+			corner1.x -= rectTransform.pivot[axis];
+			corner1.y -= rectTransform.pivot[axis ^ 1];
+			corner2.x -= rectTransform.pivot[axis];
+			corner2.y -= rectTransform.pivot[axis ^ 1];
+
+			corner1.x *= actualLength;
+			corner1.y *= axis == 0 ? rectTransform.rect.height : rectTransform.rect.width;
+			corner2.x *= actualLength;
+			corner2.y *= axis == 0 ? rectTransform.rect.height : rectTransform.rect.width;
+
 			vh.Clear();
-			vh.AddVert(new Vector3(corner1.x, corner2.y), color, new Vector2(uv.x, uv.w));
+			if (axis == 0) {
-			vh.AddVert(new Vector3(corner1.x, corner1.y), color, new Vector2(uv.x, uv.y));
+				vh.AddVert(new Vector3(corner1.x, corner2.y), color, new Vector2(uv.x, uv.w));
-			vh.AddVert(new Vector3(corner1.x + w3, corner2.y), color, new Vector2(uv.x + actualLeftUVWidth, uv.w));
+				vh.AddVert(new Vector3(corner1.x, corner1.y), color, new Vector2(uv.x, uv.y));
-			vh.AddVert(new Vector3(corner1.x + w4, corner1.y), color, new Vector2(uv.x + actualLeftUVWidth, uv.y));
+				vh.AddVert(new Vector3(corner1.x + w3, corner2.y), color, new Vector2(uv.x + actualStartUVWidth, uv.w));
-			vh.AddVert(new Vector3(corner2.x - w5, corner2.y), color, new Vector2(uv.z - actualRightUVWidth, uv.w));
+				vh.AddVert(new Vector3(corner1.x + w4, corner1.y), color, new Vector2(uv.x + actualStartUVWidth, uv.y));
-			vh.AddVert(new Vector3(corner2.x - w6, corner1.y), color, new Vector2(uv.z - actualRightUVWidth, uv.y));
+				vh.AddVert(new Vector3(corner2.x - w5, corner2.y), color, new Vector2(uv.z - actualEndUVLength, uv.w));
-			vh.AddVert(new Vector3(corner2.x, corner2.y), color, new Vector2(uv.z, uv.w));
+				vh.AddVert(new Vector3(corner2.x - w6, corner1.y), color, new Vector2(uv.z - actualEndUVLength, uv.y));
-			vh.AddVert(new Vector3(corner2.x, corner1.y), color, new Vector2(uv.z, uv.y));
+				vh.AddVert(new Vector3(corner2.x, corner2.y), color, new Vector2(uv.z, uv.w));
+				vh.AddVert(new Vector3(corner2.x, corner1.y), color, new Vector2(uv.z, uv.y));
+			}
+			else {
+				vh.AddVert(new Vector3(corner1.y, corner1.x), color, new Vector2(uv.x, uv.w));
+				vh.AddVert(new Vector3(corner2.y, corner1.x), color, new Vector2(uv.z, uv.w));
+				vh.AddVert(new Vector3(corner1.y, corner1.x + w4), color, new Vector2(uv.x, uv.w - actualStartUVWidth));
+				vh.AddVert(new Vector3(corner2.y, corner1.x + w3), color, new Vector2(uv.z, uv.w - actualStartUVWidth));
+				vh.AddVert(new Vector3(corner1.y, corner2.x - w6), color, new Vector2(uv.x, uv.y + actualEndUVLength));
+				vh.AddVert(new Vector3(corner2.y, corner2.x - w5), color, new Vector2(uv.z, uv.y + actualEndUVLength));
+				vh.AddVert(new Vector3(corner1.y, corner2.x), color, new Vector2(uv.x, uv.y));
+				vh.AddVert(new Vector3(corner2.y, corner2.x), color, new Vector2(uv.z, uv.y));
+			}
 
 			if (((int)Compact & 0x1) == 0) {
 				vh.AddTriangle(2, 1, 0);