Unity UGUI重写
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Unity UGUI重写
public static class DefaultControlsOverwrite { private const float kWidth = 160f; private const float kThickHeight = 30f; private const float kThinHeight = 20f; private static Vector2 s_ThickElementSize = new Vector2(kWidth, kThickHeight); private static Vector2 s_ThinElementSize = new Vector2(kWidth, kThinHeight); private static Vector2 s_ImageElementSize = new Vector2(100f, 100f); private static Color s_DefaultSelectableColor = new Color(1f, 1f, 1f, 1f); private static Color s_PanelColor = new Color(1f, 1f, 1f, 0.392f); private static Color s_TextColor = new Color(50f / 255f, 50f / 255f, 50f / 255f, 1f); // Helper methods at top private static GameObject CreateUIElementRoot(string name, Vector2 size) { GameObject child = new GameObject(name); RectTransform rectTransform = child.AddComponent<RectTransform>(); rectTransform.sizeDelta = size; return child; } static GameObject CreateUIObject(string name, GameObject parent) { GameObject go = new GameObject(name); go.AddComponent<RectTransform>(); SetParentAndAlign(go, parent); return go; } private static void SetDefaultTextValues(Text lbl) { // Set text values we want across UI elements in default controls. // Don't set values which are the same as the default values for the Text component, // since there's no point in that, and it's good to keep them as consistent as possible. lbl.color = s_TextColor; } private static void SetDefaultColorTransitionValues(Selectable slider) { ColorBlock colors = slider.colors; colors.highlightedColor = new Color(0.882f, 0.882f, 0.882f); colors.pressedColor = new Color(0.698f, 0.698f, 0.698f); colors.disabledColor = new Color(0.521f, 0.521f, 0.521f); } private static void SetParentAndAlign(GameObject child, GameObject parent) { if (parent == null) return; child.transform.SetParent(parent.transform, false); SetLayerRecursively(child, parent.layer); } private static void SetLayerRecursively(GameObject go, int layer) { go.layer = layer; Transform t = go.transform; for (int i = 0; i < t.childCount; i++) SetLayerRecursively(t.GetChild(i).gameObject, layer); } // Actual controls public static GameObject CreatePanel(DefaultControls.Resources resources) { GameObject panelRoot = CreateUIElementRoot("Panel", s_ThickElementSize); // Set RectTransform to stretch RectTransform rectTransform = panelRoot.GetComponent<RectTransform>(); rectTransform.anchorMin = Vector2.zero; rectTransform.anchorMax = Vector2.one; rectTransform.anchoredPosition = Vector2.zero; rectTransform.sizeDelta = Vector2.zero; panelRoot.AddComponent<Panel>(); //Image image = panelRoot.AddComponent<Image>(); //image.sprite = resources.background; //image.type = Image.Type.Sliced; //image.color = s_PanelColor; //image.raycastTarget = false; return panelRoot; } public static GameObject CreateButton(DefaultControls.Resources resources) { GameObject buttonRoot = CreateUIElementRoot("Button", s_ThickElementSize); GameObject childText = new GameObject("Text"); SetParentAndAlign(childText, buttonRoot); Image image = buttonRoot.AddComponent<Image>(); image.sprite = resources.standard; image.type = Image.Type.Sliced; image.color = s_DefaultSelectableColor; Button bt = buttonRoot.AddComponent<Button>(); SetDefaultColorTransitionValues(bt); Text text = childText.AddComponent<Text>(); text.text = "Button"; text.alignment = TextAnchor.MiddleCenter; SetDefaultTextValues(text); text.raycastTarget = false; RectTransform textRectTransform = childText.GetComponent<RectTransform>(); textRectTransform.anchorMin = Vector2.zero; textRectTransform.anchorMax = Vector2.one; textRectTransform.sizeDelta = Vector2.zero; return buttonRoot; } public static GameObject CreateText(DefaultControls.Resources resources) { GameObject go = CreateUIElementRoot("Text", s_ThickElementSize); Text lbl = go.AddComponent<Text>(); lbl.text = "New Text"; SetDefaultTextValues(lbl); lbl.raycastTarget = false; return go; } public static GameObject CreateImage(DefaultControls.Resources resources) { GameObject go = CreateUIElementRoot("Image", s_ImageElementSize); Image img = go.AddComponent<Image>(); img.raycastTarget = false; return go; } public static GameObject CreateRawImage(DefaultControls.Resources resources) { GameObject go = CreateUIElementRoot("RawImage", s_ImageElementSize); go.AddComponent<RawImage>(); return go; } public static GameObject CreateSlider(DefaultControls.Resources resources) { // Create GOs Hierarchy GameObject root = CreateUIElementRoot("Slider", s_ThinElementSize); GameObject background = CreateUIObject("Background", root); GameObject fillArea = CreateUIObject("Fill Area", root); GameObject fill = CreateUIObject("Fill", fillArea); GameObject handleArea = CreateUIObject("Handle Slide Area", root); GameObject handle = CreateUIObject("Handle", handleArea); // Background Image backgroundImage = background.AddComponent<Image>(); backgroundImage.sprite = resources.background; backgroundImage.type = Image.Type.Sliced; backgroundImage.color = s_DefaultSelectableColor; RectTransform backgroundRect = background.GetComponent<RectTransform>(); backgroundRect.anchorMin = new Vector2(0, 0.25f); backgroundRect.anchorMax = new Vector2(1, 0.75f); backgroundRect.sizeDelta = new Vector2(0, 0); // Fill Area RectTransform fillAreaRect = fillArea.GetComponent<RectTransform>(); fillAreaRect.anchorMin = new Vector2(0, 0.25f); fillAreaRect.anchorMax = new Vector2(1, 0.75f); fillAreaRect.anchoredPosition = new Vector2(-5, 0); fillAreaRect.sizeDelta = new Vector2(-20, 0); // Fill Image fillImage = fill.AddComponent<Image>(); fillImage.sprite = resources.standard; fillImage.type = Image.Type.Sliced; fillImage.color = s_DefaultSelectableColor; RectTransform fillRect = fill.GetComponent<RectTransform>(); fillRect.sizeDelta = new Vector2(10, 0); // Handle Area RectTransform handleAreaRect = handleArea.GetComponent<RectTransform>(); handleAreaRect.sizeDelta = new Vector2(-20, 0); handleAreaRect.anchorMin = new Vector2(0, 0); handleAreaRect.anchorMax = new Vector2(1, 1); // Handle Image handleImage = handle.AddComponent<Image>(); handleImage.sprite = resources.knob; handleImage.color = s_DefaultSelectableColor; RectTransform handleRect = handle.GetComponent<RectTransform>(); handleRect.sizeDelta = new Vector2(20, 0); // Setup slider component Slider slider = root.AddComponent<SliderT>(); slider.fillRect = fill.GetComponent<RectTransform>(); slider.handleRect = handle.GetComponent<RectTransform>(); slider.targetGraphic = handleImage; slider.direction = Slider.Direction.LeftToRight; SetDefaultColorTransitionValues(slider); return root; } public static GameObject CreateScrollbar(DefaultControls.Resources resources) { // Create GOs Hierarchy GameObject scrollbarRoot = CreateUIElementRoot("Scrollbar", s_ThinElementSize); GameObject sliderArea = CreateUIObject("Sliding Area", scrollbarRoot); GameObject handle = CreateUIObject("Handle", sliderArea); Image bgImage = scrollbarRoot.AddComponent<Image>(); bgImage.sprite = resources.background; bgImage.type = Image.Type.Sliced; bgImage.color = s_DefaultSelectableColor; Image handleImage = handle.AddComponent<Image>(); handleImage.sprite = resources.standard; handleImage.type = Image.Type.Sliced; handleImage.color = s_DefaultSelectableColor; RectTransform sliderAreaRect = sliderArea.GetComponent<RectTransform>(); sliderAreaRect.sizeDelta = new Vector2(-20, -20); sliderAreaRect.anchorMin = Vector2.zero; sliderAreaRect.anchorMax = Vector2.one; RectTransform handleRect = handle.GetComponent<RectTransform>(); handleRect.sizeDelta = new Vector2(20, 20); Scrollbar scrollbar = scrollbarRoot.AddComponent<ScrollbarT>(); scrollbar.handleRect = handleRect; scrollbar.targetGraphic = handleImage; SetDefaultColorTransitionValues(scrollbar); return scrollbarRoot; } public static GameObject CreateToggle(DefaultControls.Resources resources) { // Set up hierarchy GameObject toggleRoot = CreateUIElementRoot("Toggle", s_ThinElementSize); GameObject background = CreateUIObject("Background", toggleRoot); GameObject checkmark = CreateUIObject("Checkmark", background); GameObject childLabel = CreateUIObject("Label", toggleRoot); // Set up components Toggle toggle = toggleRoot.AddComponent<ToggleT>(); toggle.isOn = true; Image bgImage = background.AddComponent<Image>(); bgImage.sprite = resources.standard; bgImage.type = Image.Type.Sliced; bgImage.color = s_DefaultSelectableColor; Image checkmarkImage = checkmark.AddComponent<Image>(); checkmarkImage.sprite = resources.checkmark; Text label = childLabel.AddComponent<Text>(); label.text = "Toggle"; SetDefaultTextValues(label); label.raycastTarget = false; toggle.graphic = checkmarkImage; toggle.targetGraphic = bgImage; SetDefaultColorTransitionValues(toggle); RectTransform bgRect = background.GetComponent<RectTransform>(); bgRect.anchorMin = new Vector2(0f, 1f); bgRect.anchorMax = new Vector2(0f, 1f); bgRect.anchoredPosition = new Vector2(10f, -10f); bgRect.sizeDelta = new Vector2(kThinHeight, kThinHeight); RectTransform checkmarkRect = checkmark.GetComponent<RectTransform>(); checkmarkRect.anchorMin = new Vector2(0.5f, 0.5f); checkmarkRect.anchorMax = new Vector2(0.5f, 0.5f); checkmarkRect.anchoredPosition = Vector2.zero; checkmarkRect.sizeDelta = new Vector2(20f, 20f); RectTransform labelRect = childLabel.GetComponent<RectTransform>(); labelRect.anchorMin = new Vector2(0f, 0f); labelRect.anchorMax = new Vector2(1f, 1f); labelRect.offsetMin = new Vector2(23f, 1f); labelRect.offsetMax = new Vector2(-5f, -2f); return toggleRoot; } public static GameObject CreateInputField(DefaultControls.Resources resources) { GameObject root = CreateUIElementRoot("InputField", s_ThickElementSize); GameObject childPlaceholder = CreateUIObject("Placeholder", root); GameObject childText = CreateUIObject("Text", root); Image image = root.AddComponent<Image>(); image.sprite = resources.inputField; image.type = Image.Type.Sliced; image.color = s_DefaultSelectableColor; InputField inputField = root.AddComponent<InputFieldT>(); SetDefaultColorTransitionValues(inputField); Text text = childText.AddComponent<Text>(); text.text = ""; text.supportRichText = false; SetDefaultTextValues(text); text.raycastTarget = false; Text placeholder = childPlaceholder.AddComponent<Text>(); placeholder.text = "Enter text..."; placeholder.fontStyle = FontStyle.Italic; // Make placeholder color half as opaque as normal text color. Color placeholderColor = text.color; placeholderColor.a *= 0.5f; placeholder.color = placeholderColor; placeholder.raycastTarget = false; RectTransform textRectTransform = childText.GetComponent<RectTransform>(); textRectTransform.anchorMin = Vector2.zero; textRectTransform.anchorMax = Vector2.one; textRectTransform.sizeDelta = Vector2.zero; textRectTransform.offsetMin = new Vector2(10, 6); textRectTransform.offsetMax = new Vector2(-10, -7); RectTransform placeholderRectTransform = childPlaceholder.GetComponent<RectTransform>(); placeholderRectTransform.anchorMin = Vector2.zero; placeholderRectTransform.anchorMax = Vector2.one; placeholderRectTransform.sizeDelta = Vector2.zero; placeholderRectTransform.offsetMin = new Vector2(10, 6); placeholderRectTransform.offsetMax = new Vector2(-10, -7); inputField.textComponent = text; inputField.placeholder = placeholder; return root; } public static GameObject CreateDropdown(DefaultControls.Resources resources) { GameObject root = CreateUIElementRoot("Dropdown", s_ThickElementSize); GameObject label = CreateUIObject("Label", root); GameObject arrow = CreateUIObject("Arrow", root); GameObject template = CreateUIObject("Template", root); GameObject viewport = CreateUIObject("Viewport", template); GameObject content = CreateUIObject("Content", viewport); GameObject item = CreateUIObject("Item", content); GameObject itemBackground = CreateUIObject("Item Background", item); GameObject itemCheckmark = CreateUIObject("Item Checkmark", item); GameObject itemLabel = CreateUIObject("Item Label", item); // Sub controls. GameObject scrollbar = CreateScrollbar(resources); scrollbar.name = "Scrollbar"; SetParentAndAlign(scrollbar, template); Scrollbar scrollbarScrollbar = scrollbar.GetComponent<ScrollbarT>(); scrollbarScrollbar.SetDirection(Scrollbar.Direction.BottomToTop, true); RectTransform vScrollbarRT = scrollbar.GetComponent<RectTransform>(); vScrollbarRT.anchorMin = Vector2.right; vScrollbarRT.anchorMax = Vector2.one; vScrollbarRT.pivot = Vector2.one; vScrollbarRT.sizeDelta = new Vector2(vScrollbarRT.sizeDelta.x, 0); // Setup item UI components. Text itemLabelText = itemLabel.AddComponent<Text>(); SetDefaultTextValues(itemLabelText); itemLabelText.alignment = TextAnchor.MiddleLeft; itemLabelText.raycastTarget = false; Image itemBackgroundImage = itemBackground.AddComponent<Image>(); itemBackgroundImage.color = new Color32(245, 245, 245, 255); Image itemCheckmarkImage = itemCheckmark.AddComponent<Image>(); itemCheckmarkImage.sprite = resources.checkmark; Toggle itemToggle = item.AddComponent<ToggleT>(); itemToggle.targetGraphic = itemBackgroundImage; itemToggle.graphic = itemCheckmarkImage; itemToggle.isOn = true; // Setup template UI components. Image templateImage = template.AddComponent<Image>(); templateImage.sprite = resources.standard; templateImage.type = Image.Type.Sliced; ScrollRect templateScrollRect = template.AddComponent<ScrollRect>(); templateScrollRect.content = (RectTransform)content.transform; templateScrollRect.viewport = (RectTransform)viewport.transform; templateScrollRect.horizontal = false; templateScrollRect.movementType = ScrollRect.MovementType.Clamped; templateScrollRect.verticalScrollbar = scrollbarScrollbar; templateScrollRect.verticalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport; templateScrollRect.verticalScrollbarSpacing = -3; Mask scrollRectMask = viewport.AddComponent<Mask>(); scrollRectMask.showMaskGraphic = false; Image viewportImage = viewport.AddComponent<Image>(); viewportImage.sprite = resources.mask; viewportImage.type = Image.Type.Sliced; // Setup dropdown UI components. Text labelText = label.AddComponent<Text>(); SetDefaultTextValues(labelText); labelText.text = "Option A"; labelText.alignment = TextAnchor.MiddleLeft; labelText.raycastTarget = false; Image arrowImage = arrow.AddComponent<Image>(); arrowImage.sprite = resources.dropdown; Image backgroundImage = root.AddComponent<Image>(); backgroundImage.sprite = resources.standard; backgroundImage.color = s_DefaultSelectableColor; backgroundImage.type = Image.Type.Sliced; Dropdown dropdown = root.AddComponent<Dropdown>(); dropdown.targetGraphic = backgroundImage; SetDefaultColorTransitionValues(dropdown); dropdown.template = template.GetComponent<RectTransform>(); dropdown.captionText = labelText; dropdown.itemText = itemLabelText; // Setting default Item list. itemLabelText.text = "Option A"; dropdown.options.Add(new Dropdown.OptionData { text = "Option A" }); dropdown.options.Add(new Dropdown.OptionData { text = "Option B" }); dropdown.options.Add(new Dropdown.OptionData { text = "Option C" }); // Set up RectTransforms. RectTransform labelRT = label.GetComponent<RectTransform>(); labelRT.anchorMin = Vector2.zero; labelRT.anchorMax = Vector2.one; labelRT.offsetMin = new Vector2(10, 6); labelRT.offsetMax = new Vector2(-25, -7); RectTransform arrowRT = arrow.GetComponent<RectTransform>(); arrowRT.anchorMin = new Vector2(1, 0.5f); arrowRT.anchorMax = new Vector2(1, 0.5f); arrowRT.sizeDelta = new Vector2(20, 20); arrowRT.anchoredPosition = new Vector2(-15, 0); RectTransform templateRT = template.GetComponent<RectTransform>(); templateRT.anchorMin = new Vector2(0, 0); templateRT.anchorMax = new Vector2(1, 0); templateRT.pivot = new Vector2(0.5f, 1); templateRT.anchoredPosition = new Vector2(0, 2); templateRT.sizeDelta = new Vector2(0, 150); RectTransform viewportRT = viewport.GetComponent<RectTransform>(); viewportRT.anchorMin = new Vector2(0, 0); viewportRT.anchorMax = new Vector2(1, 1); viewportRT.sizeDelta = new Vector2(-18, 0); viewportRT.pivot = new Vector2(0, 1); RectTransform contentRT = content.GetComponent<RectTransform>(); contentRT.anchorMin = new Vector2(0f, 1); contentRT.anchorMax = new Vector2(1f, 1); contentRT.pivot = new Vector2(0.5f, 1); contentRT.anchoredPosition = new Vector2(0, 0); contentRT.sizeDelta = new Vector2(0, 28); RectTransform itemRT = item.GetComponent<RectTransform>(); itemRT.anchorMin = new Vector2(0, 0.5f); itemRT.anchorMax = new Vector2(1, 0.5f); itemRT.sizeDelta = new Vector2(0, 20); RectTransform itemBackgroundRT = itemBackground.GetComponent<RectTransform>(); itemBackgroundRT.anchorMin = Vector2.zero; itemBackgroundRT.anchorMax = Vector2.one; itemBackgroundRT.sizeDelta = Vector2.zero; RectTransform itemCheckmarkRT = itemCheckmark.GetComponent<RectTransform>(); itemCheckmarkRT.anchorMin = new Vector2(0, 0.5f); itemCheckmarkRT.anchorMax = new Vector2(0, 0.5f); itemCheckmarkRT.sizeDelta = new Vector2(20, 20); itemCheckmarkRT.anchoredPosition = new Vector2(10, 0); RectTransform itemLabelRT = itemLabel.GetComponent<RectTransform>(); itemLabelRT.anchorMin = Vector2.zero; itemLabelRT.anchorMax = Vector2.one; itemLabelRT.offsetMin = new Vector2(20, 1); itemLabelRT.offsetMax = new Vector2(-10, -2); template.SetActive(false); return root; } public static GameObject CreateScrollView(DefaultControls.Resources resources) { GameObject root = CreateUIElementRoot("Scroll View", new Vector2(200, 200)); GameObject viewport = CreateUIObject("Viewport", root); GameObject content = CreateUIObject("Content", viewport); // Sub controls. GameObject hScrollbar = CreateScrollbar(resources); hScrollbar.name = "Scrollbar Horizontal"; SetParentAndAlign(hScrollbar, root); RectTransform hScrollbarRT = hScrollbar.GetComponent<RectTransform>(); hScrollbarRT.anchorMin = Vector2.zero; hScrollbarRT.anchorMax = Vector2.right; hScrollbarRT.pivot = Vector2.zero; hScrollbarRT.sizeDelta = new Vector2(0, hScrollbarRT.sizeDelta.y); GameObject vScrollbar = CreateScrollbar(resources); vScrollbar.name = "Scrollbar Vertical"; SetParentAndAlign(vScrollbar, root); vScrollbar.GetComponent<ScrollbarT>().SetDirection(Scrollbar.Direction.BottomToTop, true); RectTransform vScrollbarRT = vScrollbar.GetComponent<RectTransform>(); vScrollbarRT.anchorMin = Vector2.right; vScrollbarRT.anchorMax = Vector2.one; vScrollbarRT.pivot = Vector2.one; vScrollbarRT.sizeDelta = new Vector2(vScrollbarRT.sizeDelta.x, 0); // Setup RectTransforms. // Make viewport fill entire scroll view. RectTransform viewportRT = viewport.GetComponent<RectTransform>(); viewportRT.anchorMin = Vector2.zero; viewportRT.anchorMax = Vector2.one; viewportRT.sizeDelta = Vector2.zero; viewportRT.pivot = Vector2.up; // Make context match viewpoprt width and be somewhat taller. // This will show the vertical scrollbar and not the horizontal one. RectTransform contentRT = content.GetComponent<RectTransform>(); contentRT.anchorMin = Vector2.up; contentRT.anchorMax = Vector2.one; contentRT.sizeDelta = new Vector2(0, 300); contentRT.pivot = Vector2.up; // Setup UI components. ScrollRect scrollRect = root.AddComponent<ScrollRect>(); scrollRect.content = contentRT; scrollRect.viewport = viewportRT; scrollRect.horizontalScrollbar = hScrollbar.GetComponent<ScrollbarT>(); scrollRect.verticalScrollbar = vScrollbar.GetComponent<ScrollbarT>(); scrollRect.horizontalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport; scrollRect.verticalScrollbarVisibility = ScrollRect.ScrollbarVisibility.AutoHideAndExpandViewport; scrollRect.horizontalScrollbarSpacing = -3; scrollRect.verticalScrollbarSpacing = -3; Image rootImage = root.AddComponent<Image>(); rootImage.sprite = resources.background; rootImage.type = Image.Type.Sliced; rootImage.color = s_PanelColor; Mask viewportMask = viewport.AddComponent<Mask>(); viewportMask.showMaskGraphic = false; Image viewportImage = viewport.AddComponent<Image>(); viewportImage.sprite = resources.mask; viewportImage.type = Image.Type.Sliced; viewportImage.raycastTarget = false; return root; } }public class MenuOptionOverwrite { private const string kUILayerName = "UI"; private const string kStandardSpritePath = "UI/Skin/UISprite.psd"; private const string kBackgroundSpritePath = "UI/Skin/Background.psd"; private const string kInputFieldBackgroundPath = "UI/Skin/InputFieldBackground.psd"; private const string kKnobPath = "UI/Skin/Knob.psd"; private const string kCheckmarkPath = "UI/Skin/Checkmark.psd"; private const string kDropdownArrowPath = "UI/Skin/DropdownArrow.psd"; private const string kMaskPath = "UI/Skin/UIMask.psd"; static private DefaultControls.Resources s_StandardResources; #region Protected protected static DefaultControls.Resources GetStandardResources() { if (s_StandardResources.standard == null) { s_StandardResources.standard = AssetDatabase.GetBuiltinExtraResource<Sprite>(kStandardSpritePath); s_StandardResources.background = AssetDatabase.GetBuiltinExtraResource<Sprite>(kBackgroundSpritePath); s_StandardResources.inputField = AssetDatabase.GetBuiltinExtraResource<Sprite>(kInputFieldBackgroundPath); s_StandardResources.knob = AssetDatabase.GetBuiltinExtraResource<Sprite>(kKnobPath); s_StandardResources.checkmark = AssetDatabase.GetBuiltinExtraResource<Sprite>(kCheckmarkPath); s_StandardResources.dropdown = AssetDatabase.GetBuiltinExtraResource<Sprite>(kDropdownArrowPath); s_StandardResources.mask = AssetDatabase.GetBuiltinExtraResource<Sprite>(kMaskPath); } return s_StandardResources; } protected static void SetPositionVisibleinSceneView(RectTransform canvasRTransform, RectTransform itemTransform) { // Find the best scene view SceneView sceneView = SceneView.lastActiveSceneView; if (sceneView == null && SceneView.sceneViews.Count > 0) sceneView = SceneView.sceneViews[0] as SceneView; // Couldn't find a SceneView. Don't set position. if (sceneView == null || sceneView.camera == null) return; // Create world space Plane from canvas position. Vector2 localPlanePosition; Camera camera = sceneView.camera; Vector3 position = Vector3.zero; if (RectTransformUtility.ScreenPointToLocalPointInRectangle(canvasRTransform, new Vector2(camera.pixelWidth / 2, camera.pixelHeight / 2), camera, out localPlanePosition)) { // Adjust for canvas pivot localPlanePosition.x = localPlanePosition.x + canvasRTransform.sizeDelta.x * canvasRTransform.pivot.x; localPlanePosition.y = localPlanePosition.y + canvasRTransform.sizeDelta.y * canvasRTransform.pivot.y; localPlanePosition.x = Mathf.Clamp(localPlanePosition.x, 0, canvasRTransform.sizeDelta.x); localPlanePosition.y = Mathf.Clamp(localPlanePosition.y, 0, canvasRTransform.sizeDelta.y); // Adjust for anchoring position.x = localPlanePosition.x - canvasRTransform.sizeDelta.x * itemTransform.anchorMin.x; position.y = localPlanePosition.y - canvasRTransform.sizeDelta.y * itemTransform.anchorMin.y; Vector3 minLocalPosition; minLocalPosition.x = canvasRTransform.sizeDelta.x * (0 - canvasRTransform.pivot.x) + itemTransform.sizeDelta.x * itemTransform.pivot.x; minLocalPosition.y = canvasRTransform.sizeDelta.y * (0 - canvasRTransform.pivot.y) + itemTransform.sizeDelta.y * itemTransform.pivot.y; Vector3 maxLocalPosition; maxLocalPosition.x = canvasRTransform.sizeDelta.x * (1 - canvasRTransform.pivot.x) - itemTransform.sizeDelta.x * itemTransform.pivot.x; maxLocalPosition.y = canvasRTransform.sizeDelta.y * (1 - canvasRTransform.pivot.y) - itemTransform.sizeDelta.y * itemTransform.pivot.y; position.x = Mathf.Clamp(position.x, minLocalPosition.x, maxLocalPosition.x); position.y = Mathf.Clamp(position.y, minLocalPosition.y, maxLocalPosition.y); } itemTransform.anchoredPosition = position; itemTransform.localRotation = Quaternion.identity; itemTransform.localScale = Vector3.one; } protected static void PlaceUIElementRoot(GameObject element, MenuCommand menuCommand) { GameObject parent = menuCommand.context as GameObject; if (parent == null || parent.GetComponentInParent<Canvas>() == null) { parent = GetOrCreateCanvasGameObject(); } if (Selection.activeTransform != null) { if (Selection.activeTransform is RectTransform) { if (Selection.activeTransform.parent == null) { parent = Selection.activeTransform.gameObject; } else { parent = Selection.activeTransform.parent.gameObject; } } } string uniqueName = GameObjectUtility.GetUniqueNameForSibling(parent.transform, element.name); element.name = uniqueName; Undo.RegisterCreatedObjectUndo(element, "Create " + element.name); Undo.SetTransformParent(element.transform, parent.transform, "Parent " + element.name); GameObjectUtility.SetParentAndAlign(element, parent); if (parent != menuCommand.context) // not a context click, so center in sceneview SetPositionVisibleinSceneView(parent.GetComponent<RectTransform>(), element.GetComponent<RectTransform>()); element.GetComponent<RectTransform>().anchoredPosition = new Vector3(0, 0, 0); Selection.activeGameObject = element; } #endregion // Graphic elements [MenuItem("GameObject/UI/Text &2", false, 2000)] static public void AddText(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateText(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } [MenuItem("GameObject/UI/Image &1", false, 2001)] static public void AddImage(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateImage(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } [MenuItem("GameObject/UI/Raw Image", false, 2000)] static public void AddRawImage(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateRawImage(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } // Helper methods static public GameObject CreateNewUI() { // Root for the UI var root = UICreate.CreateNewUI(); Undo.RegisterCreatedObjectUndo(root, "Create " + root.name); // if there is no event system add one... CreateEventSystem(false); return root; } private static void CreateEventSystem(bool select) { CreateEventSystem(select, null); } private static void CreateEventSystem(bool select, GameObject parent) { var esys = Object.FindObjectOfType<EventSystem>(); if (esys == null) { var eventSystem = UICreate.CreateEventSystem(); GameObjectUtility.SetParentAndAlign(eventSystem, parent); Undo.RegisterCreatedObjectUndo(eventSystem, "Create " + eventSystem.name); } if (select && esys != null) { Selection.activeGameObject = esys.gameObject; } } // Controls // Button and toggle are controls you just click on. [MenuItem("GameObject/UI/Button &3", false, 2030)] static public void AddButton(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateButton(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } [MenuItem("GameObject/UI/Toggle", false, 2031)] static public void AddToggle(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateToggle(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } // Slider and Scrollbar modify a number [MenuItem("GameObject/UI/Slider", false, 2033)] static public void AddSlider(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateSlider(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } [MenuItem("GameObject/UI/Scrollbar", false, 2034)] static public void AddScrollbar(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateScrollbar(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } // More advanced controls below [MenuItem("GameObject/UI/Dropdown", false, 2035)] static public void AddDropdown(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateDropdown(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } [MenuItem("GameObject/UI/Input Field", false, 2036)] public static void AddInputField(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateInputField(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } // Containers [MenuItem("GameObject/UI/Canvas", false, 2060)] static public void AddCanvas(MenuCommand menuCommand) { var go = CreateNewUI(); GameObjectUtility.SetParentAndAlign(go, menuCommand.context as GameObject); if (go.transform.parent as RectTransform) { RectTransform rect = go.transform as RectTransform; rect.anchorMin = Vector2.zero; rect.anchorMax = Vector2.one; rect.anchoredPosition = Vector2.zero; rect.sizeDelta = Vector2.zero; } Selection.activeGameObject = go; } [MenuItem("GameObject/UI/Panel", false, 2061)] static public void AddPanel(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreatePanel(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); // Panel is special, we need to ensure there's no padding after repositioning. RectTransform rect = go.GetComponent<RectTransform>(); rect.anchoredPosition = Vector2.zero; rect.sizeDelta = Vector2.zero; } [MenuItem("GameObject/UI/Scroll View", false, 2062)] static public void AddScrollView(MenuCommand menuCommand) { GameObject go = DefaultControlsOverwrite.CreateScrollView(GetStandardResources()); PlaceUIElementRoot(go, menuCommand); } [MenuItem("GameObject/UI/Event System", false, 2100)] public static void CreateEventSystem(MenuCommand menuCommand) { GameObject parent = menuCommand.context as GameObject; CreateEventSystem(true, parent); } // Helper function that returns a Canvas GameObject; preferably a parent of the selection, or other existing Canvas. static public GameObject GetOrCreateCanvasGameObject() { GameObject selectedGo = Selection.activeGameObject; // Try to find a gameobject that is the selected GO or one if its parents. Canvas canvas = (selectedGo != null) ? selectedGo.GetComponentInParent<Canvas>() : null; if (canvas != null && canvas.gameObject.activeInHierarchy) return canvas.gameObject; // No canvas in selection or its parents? Then use just any canvas.. canvas = Object.FindObjectOfType(typeof(Canvas)) as Canvas; if (canvas != null && canvas.gameObject.activeInHierarchy) return canvas.gameObject; // No canvas in the scene at all? Then create a new one. return MenuOptionOverwrite.CreateNewUI(); } }阅读全文
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