選択できるのは25トピックまでです。
トピックは、先頭が英数字で、英数字とダッシュ('-')を使用した35文字以内のものにしてください。
121 行
3.0 KiB
121 行
3.0 KiB
using System;
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using UnityEngine;
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using System.Collections;
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using UnityEngine.Serialization;
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using UnityEngine.UI;
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public class BaseImage : MaskableGraphic,ISerializationCallbackReceiver, ILayoutElement, ICanvasRaycastFilter
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{
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// Use this for initialization
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void Start () {
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}
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// Update is called once per frame
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void Update () {
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}
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[FormerlySerializedAs("m_Frame")]
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[SerializeField]
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private Sprite m_Sprite;
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public Sprite sprite { get { return m_Sprite; } set { if (SetPropertyUtilityExt.SetClass(ref m_Sprite, value)) SetAllDirty(); } }
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[NonSerialized]
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private Sprite m_OverrideSprite;
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public Sprite overrideSprite { get { return m_OverrideSprite == null ? sprite : m_OverrideSprite; } set { if (SetPropertyUtilityExt.SetClass(ref m_OverrideSprite, value)) SetAllDirty(); } }
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/// <summary>
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/// Image's texture comes from the UnityEngine.Image.
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/// </summary>
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public override Texture mainTexture
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{
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get
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{
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return overrideSprite == null ? s_WhiteTexture : overrideSprite.texture;
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}
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}
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public float pixelsPerUnit
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{
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get
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{
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float spritePixelsPerUnit = 100;
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if (sprite)
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spritePixelsPerUnit = sprite.pixelsPerUnit;
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float referencePixelsPerUnit = 100;
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if (canvas)
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referencePixelsPerUnit = canvas.referencePixelsPerUnit;
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return spritePixelsPerUnit / referencePixelsPerUnit;
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}
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}
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/// <summary>
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/// 子类需要重写该方法来自定义Image形状
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/// </summary>
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/// <param name="vh"></param>
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protected override void OnPopulateMesh(VertexHelper vh)
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{
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base.OnPopulateMesh(vh);
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}
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#region ISerializationCallbackReceiver
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public void OnAfterDeserialize()
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{
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}
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//
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// 摘要:
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// Implement this method to receive a callback after unity serialized your object.
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public void OnBeforeSerialize()
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{
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}
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#endregion
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#region ILayoutElement
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public virtual void CalculateLayoutInputHorizontal() { }
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public virtual void CalculateLayoutInputVertical() { }
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public virtual float minWidth { get { return 0; } }
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public virtual float preferredWidth
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{
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get
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{
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if (overrideSprite == null)
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return 0;
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return overrideSprite.rect.size.x / pixelsPerUnit;
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}
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}
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public virtual float flexibleWidth { get { return -1; } }
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public virtual float minHeight { get { return 0; } }
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public virtual float preferredHeight
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{
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get
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{
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if (overrideSprite == null)
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return 0;
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return overrideSprite.rect.size.y / pixelsPerUnit;
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}
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}
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public virtual float flexibleHeight { get { return -1; } }
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public virtual int layoutPriority { get { return 0; } }
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#endregion
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#region ICanvasRaycastFilter
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public virtual bool IsRaycastLocationValid(Vector2 screenPoint, Camera eventCamera)
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{
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return true;
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}
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#endregion
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}
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