418 lines
14 KiB
C#
418 lines
14 KiB
C#
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#define Graph_And_Chart_PRO
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using ChartAndGraph;
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using System.Collections.Generic;
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using UnityEngine;
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using UnityEngine.UI;
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/// <summary>
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/// posistions world space text on a special canvas used for billboarding.
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/// </summary>
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[RequireComponent(typeof(ChartItem))]
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[ExecuteInEditMode]
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public class TextController : MonoBehaviour
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{
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public Camera Camera = null;
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Canvas mCanvas;
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RectTransform mRect;
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List<BillboardText> mText = new List<BillboardText>();
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public float PlaneDistance = 4;
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Vector3[] mPlaneCorners = new Vector3[4];
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bool mInvalidated = false;
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private AnyChart mPrivateParent;
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float mPrevScale = -1f;
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bool OwnsCanvas = false;
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//private bool mUnderCanvas = false;
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internal List<BillboardText> Text { get { return mText; } }
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GameObject mAddCanvasUnder = null;
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float mInnerScale = 1.0f;
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public float GlobalRotation
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{
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get; set;
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}
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internal void SetInnerScale(float scale)
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{
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mInnerScale = scale;
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}
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internal AnyChart mParent
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{
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get { return mPrivateParent; }
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set
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{
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mPrivateParent = value;
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if (mPrivateParent != null)
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{
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Camera = ((IInternalUse)mPrivateParent).InternalTextCamera;
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PlaneDistance = ((IInternalUse)mPrivateParent).InternalTextIdleDistance;
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if (OwnsCanvas)
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SafeCanvas.planeDistance = PlaneDistance;
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}
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}
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}
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void Start()
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{
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EnsureCanvas();
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Canvas.willRenderCanvases += Canvas_willRenderCanvases;
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}
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private void OnDestroy()
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{
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Canvas.willRenderCanvases -= Canvas_willRenderCanvases;
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}
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private void Canvas_willRenderCanvases()
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{
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if (this == null)
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{
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Canvas.willRenderCanvases -= Canvas_willRenderCanvases;
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return;
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}
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ApplyTextPosition();
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}
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void EnsureCanvas()
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{
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if (mCanvas == null)
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{
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mCanvas = GetComponentInParent<Canvas>();
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if (mCanvas == null)
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{
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OwnsCanvas = true;
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mAddCanvasUnder = new GameObject();
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ChartCommon.HideObject(mAddCanvasUnder, true);
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mAddCanvasUnder.AddComponent<ChartItemNoDelete>();
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mAddCanvasUnder.AddComponent<RectTransform>();
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mAddCanvasUnder.transform.SetParent(gameObject.transform, false);
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mAddCanvasUnder.transform.localPosition = Vector3.zero;
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mAddCanvasUnder.transform.localScale = new Vector3(1f, 1f, 1f);
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mAddCanvasUnder.transform.localRotation = Quaternion.identity;
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mCanvas = mAddCanvasUnder.AddComponent<Canvas>();
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mAddCanvasUnder.AddComponent<CanvasScaler>();
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mAddCanvasUnder.AddComponent<GraphicRaycaster>();
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if (mParent != null && (mParent.VRSpaceText || mParent.PaperEffectText))
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{
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mCanvas.renderMode = RenderMode.WorldSpace;
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}
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else
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{
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mCanvas.renderMode = RenderMode.ScreenSpaceCamera;
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}
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mCanvas.planeDistance = PlaneDistance;
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Camera = EnsureCamera();
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mRect = mCanvas.GetComponent<RectTransform>();
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// mCanvas.pixelPerfect = true;
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CanvasScaler scaler = mCanvas.GetComponent<CanvasScaler>();
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scaler.uiScaleMode = CanvasScaler.ScaleMode.ConstantPixelSize;
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}
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else
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{
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//mUnderCanvas = true;
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}
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}
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}
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Canvas SafeCanvas
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{
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get
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{
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EnsureCanvas();
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return mCanvas;
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}
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}
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void OnDestory()
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{
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DestroyAll();
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}
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public void DestroyAll()
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{
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for (int i = 0; i < mText.Count; i++)
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{
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if (mText[i] != null && mText[i].Recycled == false)
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{
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if (mText[i].UIText != null)
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ChartCommon.SafeDestroy(mText[i].UIText.gameObject);
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if (mText[i].RectTransformOverride != null)
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ChartCommon.SafeDestroy(mText[i].RectTransformOverride.gameObject);
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mText[i].UIText = null;
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mText[i].RectTransformOverride = null;
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ChartCommon.SafeDestroy(mText[i].gameObject);
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}
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}
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mText.Clear();
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}
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public void AddText(BillboardText billboard)
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{
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if (billboard == null)
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return;
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if (billboard.UIText == null)
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return;
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mInvalidated = false;
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mText.Add(billboard);
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var rect = billboard.Rect;
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EnsureCanvas();
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float yScale = (billboard.YMirror == true) ? -1f : 1f;
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if (rect == null)
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{
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var meshObj = billboard.UIText;
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TextDirection dir = meshObj.GetComponent<TextDirection>();
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if (dir != null)
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dir.SetTextController(this);
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billboard.parent = null;
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meshObj.transform.SetParent(transform, false);
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if (mParent != null)
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meshObj.layer = mParent.gameObject.layer;
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// meshObj.transform.localRotation = Quaternion.identity;
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Vector3 v = billboard.transform.position;
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if (!float.IsNaN(v.x) && !float.IsNaN(v.y) && !float.IsNaN(v.z))
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meshObj.transform.position = v;
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// meshObj.transform.localScale = new Vector3(1f, 1f, 1f);
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meshObj.transform.localScale = new Vector3(billboard.Scale * mInnerScale, yScale* billboard.Scale * mInnerScale, 1f);
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}
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else
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{
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TextDirection dir = rect.GetComponent<TextDirection>();
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if (dir != null)
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dir.SetTextController(this);
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GameObject obj = ChartCommon.CreateCanvasChartItem();
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RectTransform t = obj.GetComponent<RectTransform>();
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obj.AddComponent<Canvas>();
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var addUnder = mAddCanvasUnder;
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if (addUnder == null)
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addUnder = gameObject;
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obj.transform.SetParent(addUnder.transform, false);
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obj.transform.localPosition = Vector3.zero;
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// obj.transform.localRotation = Quaternion.identity;
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obj.transform.localScale = new Vector3(1f,1f,1f);
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billboard.parent = t;
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billboard.Rect.SetParent(t, false);
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if (mParent != null)
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{
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obj.layer = mParent.gameObject.layer;
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billboard.Rect.gameObject.layer = mParent.gameObject.layer;
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}
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// billboard.Rect.localRotation = Quaternion.identity;
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billboard.Rect.localPosition = Vector3.zero;
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billboard.Rect.localScale = new Vector3(1f, 1f, 1f);
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// rect.anchoredPosition3D = new Vector3();
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if (dir == null)
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{
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rect.anchorMin = Vector2.zero;
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rect.anchorMax = Vector2.zero;
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}
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Vector3 v = billboard.transform.position;
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if (!float.IsNaN(v.x) && !float.IsNaN(v.y) && !float.IsNaN(v.z))
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billboard.parent.position = v;
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billboard.UIText.transform.localScale = new Vector3(billboard.Scale * mInnerScale, yScale* billboard.Scale * mInnerScale, 1f);
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billboard.UIText.transform.Rotate(new Vector3(0f, 0f, GlobalRotation));
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}
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//Vector3 scale = new Vector3(1f/transform.lossyScale.x, 1f/transform.lossyScale.y, 1f/transform.lossyScale.z);//SafeCanvas.transform.localScale;
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//Vector3 scale = SafeCanvas.transform.localScale;
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//if (mUnderCanvas)
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// billboard.UIText.transform.localScale = scale;
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//else
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// ContentSizeFitter fitter = billboard.UIText.gameObject.GetComponent<ContentSizeFitter>();
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// if(fitter == null)
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// fitter = billboard.UIText.gameObject.AddComponent<ContentSizeFitter>();
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// fitter.verticalFit = ContentSizeFitter.FitMode.PreferredSize;
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// fitter.horizontalFit = ContentSizeFitter.FitMode.PreferredSize;
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}
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Camera EnsureCamera()
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{
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if (Camera == null)
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return AssignCamera(Camera.main);
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else
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return AssignCamera(Camera);
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}
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Camera AssignCamera(Camera camera)
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{
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Canvas canvas = SafeCanvas;
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if (canvas.worldCamera != camera && OwnsCanvas)
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canvas.worldCamera = camera;
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return camera;
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}
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void Update()
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{
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if(Application.isEditor && Application.isPlaying == false)
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{
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ApplyTextPosition();
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}
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}
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Vector3 ProjectPointOnPlane(Vector3 planeNormal, Vector3 planePoint, Vector3 point)
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{
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planeNormal.Normalize();
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float distance = -Vector3.Dot(planeNormal.normalized, (point - planePoint));
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return point + planeNormal * distance;
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}
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void CalculatePlane(Camera cam, RectTransform transform, out Vector3 center, out Vector3 normal)
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{
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mRect.GetWorldCorners(mPlaneCorners);
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center = new Vector3();
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for (int i = 0; i < mPlaneCorners.Length; i++)
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{
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center += mPlaneCorners[i];
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}
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center *= 0.25f;
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Vector3 a = mPlaneCorners[1] - mPlaneCorners[0];
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Vector3 b = mPlaneCorners[2] - mPlaneCorners[0];
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normal = Vector3.Cross(a, b).normalized;
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}
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public void ApplyTextPosition()
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{
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Camera = EnsureCamera();
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if (mCanvas == null)
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return;
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float scale = 1f;
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if (Camera != null)
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{
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if (mParent != null && (mParent.VRSpaceText || mParent.PaperEffectText) && OwnsCanvas)
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{
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Vector3 difVector = new Vector3(transform.position.x, 0, transform.position.z) - new Vector3(Camera.transform.position.x, 0, Camera.transform.position.z);
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if (difVector != Vector3.zero && mParent.PaperEffectText == false)
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{
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mCanvas.transform.rotation = Quaternion.LookRotation(difVector, Vector3.up);
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}
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// mCanvas.transform.rotation = Camera.transform.rotation;
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mCanvas.transform.localScale = new Vector3(mParent.VRSpaceScale, mParent.VRSpaceScale, mParent.VRSpaceScale);
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}
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if (mPrivateParent != null && mPrivateParent.KeepOrthoSize)
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{
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if (Camera != null && Camera.orthographic && Camera.orthographicSize > 0.1f)
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{
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scale = 5f / Camera.orthographicSize;
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}
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}
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scale *= mInnerScale;
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if (Mathf.Abs(mPrevScale - scale) > 0.001f)
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{
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mInvalidated = false;
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}
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mPrevScale = scale;
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}
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else
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{
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if (mParent == null || mParent.IsCanvas == false)
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return;
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}
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//if (mInvalidated == false)
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// {
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mText.RemoveAll(x =>
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{
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if (x == null)
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return true;
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BillboardText billboard = x;
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if (mInvalidated == false || billboard.transform.hasChanged || mCanvas.transform.hasChanged)
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{
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var rect = billboard.Rect;
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if (rect != null)
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rect.transform.position = billboard.transform.position;
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else
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billboard.UIText.transform.position = billboard.transform.position;
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float yScale = (billboard.YMirror == true) ? -1f : 1f;
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billboard.UIText.transform.localScale = new Vector3(billboard.Scale * scale, yScale* billboard.Scale * scale, 1f);
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billboard.transform.hasChanged = false;
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}
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return false;
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});
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mInvalidated = true;
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// }
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return;
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//}
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/* Canvas canvas = SafeCanvas;
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if (mParent != null)
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{
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Camera = mParent.TextCamera;
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PlaneDistance = mParent.TextIdleDistance;
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canvas.planeDistance = PlaneDistance;
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}
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Camera cam = EnsureCamera();
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if (cam == null)
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{
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if (mWarn == false)
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Debug.LogWarning("Chart Warning: No main camera set , please set the Chart's camera using \"TextCamera\" in the inspector");
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mWarn = true;
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return;
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}
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mWarn = false;
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Vector3 planeCenter;
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Vector3 planeNormal;
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CalculatePlane(cam, mRect, out planeCenter, out planeNormal);
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//Debug.DrawLine(planeCenter, planeCenter+ planeNormal,Color.red);
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foreach (BillboardText text in mText)
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{
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// RectTransformUtility.
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Vector3 point = text.transform.position;
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Vector3 pointOnPlane = ProjectPointOnPlane(planeNormal, planeCenter, text.transform.position);
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//Debug.DrawLine(point, pointOnPlane);
|
||
|
|
Vector3 worldVec = (pointOnPlane - point);
|
||
|
|
Vector3 vec = mRect.worldToLocalMatrix * worldVec;
|
||
|
|
float dist = vec.magnitude;
|
||
|
|
if (Vector3.Dot(worldVec, cam.transform.forward) > 0)
|
||
|
|
dist = -dist;
|
||
|
|
|
||
|
|
Vector2 viewport = cam.WorldToViewportPoint(pointOnPlane);
|
||
|
|
// Debug.DrawLine(viewport, pointOnPlane);
|
||
|
|
// Vector3 anchored = new Vector3(
|
||
|
|
// (mRect.sizeDelta.x * viewport.x) - (mRect.sizeDelta.x * mRect.anchorMin.x),
|
||
|
|
// (mRect.sizeDelta.y * viewport.y) - (mRect.sizeDelta.y * mRect.anchorMin.y),
|
||
|
|
// dist);
|
||
|
|
Vector2 screen = RectTransformUtility.WorldToScreenPoint(cam,pointOnPlane);
|
||
|
|
Vector2 pos;
|
||
|
|
RectTransformUtility.ScreenPointToLocalPointInRectangle(mRect, screen, cam, out pos);
|
||
|
|
// float scaleDist = mPlaneDistance + worldVec.magnitude;
|
||
|
|
// if (scaleDist <= 0)
|
||
|
|
// scaleDist = 0.1f;
|
||
|
|
// float scale = scaleDist/ mPlaneDistance;
|
||
|
|
//text.Rect.localScale = new Vector3(scale, scale, 1f);
|
||
|
|
text.Rect.localPosition = new Vector3(pos.x, pos.y , dist);
|
||
|
|
}*/
|
||
|
|
}
|
||
|
|
|
||
|
|
void LateUpdate()
|
||
|
|
{
|
||
|
|
//ApplyTextPosition();
|
||
|
|
}
|
||
|
|
}
|