SamsonGame/Assets/Sources/Lean/GUI/Scripts/LeanConstrainAnchoredPositi...

182 lines
7.7 KiB
C#

using UnityEngine;
using Lean.Common;
using FSA = UnityEngine.Serialization.FormerlySerializedAsAttribute;
namespace Lean.Gui
{
/// <summary>This component will automatically constrain the current <b>RectTransform.anchoredPosition</b> to the specified range.</summary>
[ExecuteInEditMode]
[RequireComponent(typeof(RectTransform))]
[HelpURL(LeanGui.HelpUrlPrefix + "LeanConstrainAnchoredPosition")]
[AddComponentMenu(LeanGui.ComponentMenuPrefix + "Constrain AnchoredPosition")]
public class LeanConstrainAnchoredPosition : MonoBehaviour
{
/// <summary>Constrain horizontally?</summary>
public bool Horizontal { set { horizontal = value; } get { return horizontal; } } [SerializeField] private bool horizontal;
/// <summary>The minimum value in pixels.</summary>
public float HorizontalPixelMin { set { horizontalPixelMin = value; } get { return horizontalPixelMin; } } [FSA("horizontalMin")] [SerializeField] private float horizontalPixelMin = -100.0f;
/// <summary>The maximum value in pixels.</summary>
public float HorizontalPixelMax { set { horizontalPixelMax = value; } get { return horizontalPixelMax; } } [FSA("horizontalMax")] [SerializeField] private float horizontalPixelMax = 100.0f;
/// <summary>The minimum value in 0..1 percent of the current RectTransform size.</summary>
public float HorizontalRectMin { set { horizontalRectMin = value; } get { return horizontalRectMin; } } [SerializeField] private float horizontalRectMin;
/// <summary>The maximum value in 0..1 percent of the current RectTransform size.</summary>
public float HorizontalRectMax { set { horizontalRectMax = value; } get { return horizontalRectMax; } } [SerializeField] private float horizontalRectMax;
/// <summary>The minimum value in 0..1 percent of the parent RectTransform size.</summary>
public float HorizontalParentMin { set { horizontalParentMin = value; } get { return horizontalParentMin; } } [SerializeField] private float horizontalParentMin;
/// <summary>The maximum value in 0..1 percent of the parent RectTransform size.</summary>
public float HorizontalParentMax { set { horizontalParentMax = value; } get { return horizontalParentMax; } } [SerializeField] private float horizontalParentMax;
/// <summary>Constrain vertically?</summary>
public bool Vertical { set { vertical = value; } get { return vertical; } } [SerializeField] private bool vertical;
/// <summary>The minimum value in pixels.</summary>
public float VerticalPixelMin { set { verticalPixelMin = value; } get { return verticalPixelMin; } } [FSA("verticalMin")] [SerializeField] private float verticalPixelMin = -100.0f;
/// <summary>The maximum value in pixels.</summary>
public float VerticalPixelMax { set { verticalPixelMax = value; } get { return verticalPixelMax; } } [FSA("verticalMax")] [SerializeField] private float verticalPixelMax = 100.0f;
/// <summary>The minimum value in 0..1 percent of the current RectTransform size.</summary>
public float VerticalRectMin { set { verticalRectMin = value; } get { return verticalRectMin; } } [SerializeField] private float verticalRectMin;
/// <summary>The maximum value in 0..1 percent of the current RectTransform size.</summary>
public float VerticalRectMax { set { verticalRectMax = value; } get { return verticalRectMax; } } [SerializeField] private float verticalRectMax;
/// <summary>The minimum value in 0..1 percent of the parent RectTransform size.</summary>
public float VerticalParentMin { set { verticalParentMin = value; } get { return verticalParentMin; } } [SerializeField] private float verticalParentMin;
/// <summary>The maximum value in 0..1 percent of the parent RectTransform size.</summary>
public float VerticalParentMax { set { verticalParentMax = value; } get { return verticalParentMax; } } [SerializeField] private float verticalParentMax;
[System.NonSerialized]
private RectTransform cachedRectTransform;
[System.NonSerialized]
private bool cachedRectTransformSet;
public RectTransform CachedRectTransform
{
get
{
if (cachedRectTransformSet == false)
{
cachedRectTransform = GetComponent<RectTransform>();
cachedRectTransformSet = true;
}
return cachedRectTransform;
}
}
/// <summary>This tells you the minimum and maximum values of the current <b>RectTransform</b> based on this component's horizontal anchor settings.</summary>
public Vector2 HorizontalRange
{
get
{
var sizes = Sizes;
var min = horizontalPixelMin + horizontalRectMin * sizes.x + horizontalParentMin * sizes.z;
var max = horizontalPixelMax + horizontalRectMax * sizes.x + horizontalParentMax * sizes.z;
return new Vector2(min, max);
}
}
/// <summary>This tells you the minimum and maximum values of the current <b>RectTransform</b> based on this component's vertical anchor settings.</summary>
public Vector2 VerticalRange
{
get
{
var sizes = Sizes;
var min = verticalPixelMin + verticalRectMin * sizes.y + verticalParentMin * sizes.w;
var max = verticalPixelMax + verticalRectMax * sizes.y + verticalParentMax * sizes.w;
return new Vector2(min, max);
}
}
private Vector4 Sizes
{
get
{
var rect = CachedRectTransform.rect;
var parent = cachedRectTransform.parent as RectTransform;
var parentRect = parent != null ? parent.rect : Rect.zero;
return new Vector4(rect.width, rect.height, parentRect.width, parentRect.height);
}
}
protected virtual void LateUpdate()
{
var anchoredPosition = CachedRectTransform.anchoredPosition;
if (horizontal == true)
{
var range = HorizontalRange;
anchoredPosition.x = Mathf.Clamp(anchoredPosition.x, range.x, range.y);
}
if (vertical == true)
{
var range = VerticalRange;
anchoredPosition.y = Mathf.Clamp(anchoredPosition.y, range.x, range.y);
}
cachedRectTransform.anchoredPosition = anchoredPosition;
}
}
}
#if UNITY_EDITOR
namespace Lean.Gui.Editor
{
using TARGET = LeanConstrainAnchoredPosition;
[UnityEditor.CanEditMultipleObjects]
[UnityEditor.CustomEditor(typeof(TARGET))]
public class LeanConstrainAnchoredPosition_Editor : LeanEditor
{
protected override void OnInspector()
{
TARGET tgt; TARGET[] tgts; GetTargets(out tgt, out tgts);
Draw("horizontal", "Constrain horizontally?");
if (Any(tgts, t => t.Horizontal == true))
{
BeginIndent();
Draw("horizontalPixelMin", "The minimum value in pixels.", "Pixel Min");
Draw("horizontalPixelMax", "The maximum value in pixels.", "Pixel Max");
Draw("horizontalRectMin", "The minimum value in 0..1 percent of the current RectTransform size.", "Rect Min");
Draw("horizontalRectMax", "The maximum value in 0..1 percent of the current RectTransform size.", "Rect Max");
Draw("horizontalParentMin", "The maximum value in 0..1 percent of the parent RectTransform size.", "Parent Min");
Draw("horizontalParentMax", "The maximum value in 0..1 percent of the parent RectTransform size.", "Parent Min");
EndIndent();
}
Separator();
Draw("vertical", "Constrain vertically?");
if (Any(tgts, t => t.Vertical == true))
{
BeginIndent();
Draw("verticalPixelMin", "The minimum value in pixels.", "Pixel Min");
Draw("verticalPixelMax", "The maximum value in pixels.", "Pixel Max");
Draw("verticalRectMin", "The maximum value in 0..1 percent of the current RectTransform size.", "Rect Min");
Draw("verticalRectMax", "The maximum value in 0..1 percent of the current RectTransform size.", "Rect Max");
Draw("verticalParentMin", "The maximum value in 0..1 percent of the parent RectTransform size.", "Parent Min");
Draw("verticalParentMax", "The maximum value in 0..1 percent of the parent RectTransform size.", "Parent Min");
EndIndent();
}
}
}
}
#endif