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Updated Line Renderer to work with Textures better. 

Also now uses Sprite Boxing / slicing
release
Simon Jackson 2017-07-24 21:36:23 +01:00
parent 3abf84dc76
commit 3084644c4f
2 changed files with 129 additions and 41 deletions
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82
Scripts/Primitives/UILineRenderer.cs
View File

@ -15,6 +15,7 @@ namespace UnityEngine.UI.Extensions
Start,
Middle,
End,
Full,
}
public enum JoinType
@ -38,19 +39,9 @@ namespace UnityEngine.UI.Extensions
// there is no overlapping.
private const float MIN_BEVEL_NICE_JOIN = 30 * Mathf.Deg2Rad;
private static readonly Vector2 UV_TOP_LEFT = Vector2.zero;
private static readonly Vector2 UV_BOTTOM_LEFT = new Vector2(0, 1);
private static readonly Vector2 UV_TOP_CENTER = new Vector2(0.5f, 0);
private static readonly Vector2 UV_BOTTOM_CENTER = new Vector2(0.5f, 1);
private static readonly Vector2 UV_TOP_RIGHT = new Vector2(1, 0);
private static readonly Vector2 UV_BOTTOM_RIGHT = new Vector2(1, 1);
private static Vector2 UV_TOP_LEFT, UV_BOTTOM_LEFT, UV_TOP_CENTER_LEFT, UV_TOP_CENTER_RIGHT, UV_BOTTOM_CENTER_LEFT, UV_BOTTOM_CENTER_RIGHT, UV_TOP_RIGHT, UV_BOTTOM_RIGHT;
private static Vector2[] startUvs, middleUvs, endUvs, fullUvs;
private static readonly Vector2[] startUvs = new[] { UV_TOP_LEFT, UV_BOTTOM_LEFT, UV_BOTTOM_CENTER, UV_TOP_CENTER };
private static readonly Vector2[] middleUvs = new[] { UV_TOP_CENTER, UV_BOTTOM_CENTER, UV_BOTTOM_CENTER, UV_TOP_CENTER };
private static readonly Vector2[] endUvs = new[] { UV_TOP_CENTER, UV_BOTTOM_CENTER, UV_BOTTOM_RIGHT, UV_TOP_RIGHT };
[SerializeField]
internal Rect m_UVRect = new Rect(0f, 0f, 1f, 1f);
[SerializeField]
internal Vector2[] m_points;
@ -102,24 +93,6 @@ namespace UnityEngine.UI.Extensions
[HideInInspector]
public bool drivenExternally = false;
/// <summary>
/// UV rectangle used by the texture.
/// </summary>
public Rect uvRect
{
get
{
return m_UVRect;
}
set
{
if (m_UVRect == value)
return;
m_UVRect = value;
SetVerticesDirty();
}
}
/// <summary>
/// Points to be drawn in the line.
@ -144,6 +117,7 @@ namespace UnityEngine.UI.Extensions
{
if (m_points == null)
return;
GeneratedUVs();
Vector2[] pointsToDraw = m_points;
//If Bezier is desired, pick the implementation
if (BezierMode != BezierType.None && m_points.Length > 3)
@ -198,6 +172,7 @@ namespace UnityEngine.UI.Extensions
segments.Add(CreateLineCap(start, end, SegmentType.Start));
}
//segments.Add(CreateLineSegment(start, end, SegmentType.Full));
segments.Add(CreateLineSegment(start, end, SegmentType.Middle));
if (lineCaps)
@ -221,6 +196,7 @@ namespace UnityEngine.UI.Extensions
}
segments.Add(CreateLineSegment(start, end, SegmentType.Middle));
//segments.Add(CreateLineSegment(start, end, SegmentType.Full));
if (lineCaps && i == pointsToDraw.Length - 1)
{
@ -314,6 +290,7 @@ namespace UnityEngine.UI.Extensions
private UIVertex[] CreateLineSegment(Vector2 start, Vector2 end, SegmentType type)
{
Vector2 offset = new Vector2((start.y - end.y), end.x - start.x).normalized * lineThickness / 2;
var v1 = start - offset;
var v2 = start + offset;
var v3 = end + offset;
@ -325,9 +302,54 @@ namespace UnityEngine.UI.Extensions
return SetVbo(new[] { v1, v2, v3, v4 }, startUvs);
case SegmentType.End:
return SetVbo(new[] { v1, v2, v3, v4 }, endUvs);
case SegmentType.Full:
return SetVbo(new[] { v1, v2, v3, v4 }, fullUvs);
default:
return SetVbo(new[] { v1, v2, v3, v4 }, middleUvs);
}
}
protected override void GeneratedUVs()
{
if (activeSprite != null)
{
var outer = Sprites.DataUtility.GetOuterUV(activeSprite);
var inner = Sprites.DataUtility.GetInnerUV(activeSprite);
UV_TOP_LEFT = new Vector2(outer.x, outer.y);
UV_BOTTOM_LEFT = new Vector2(outer.x, outer.w);
UV_TOP_CENTER_LEFT = new Vector2(inner.x, inner.y);
UV_TOP_CENTER_RIGHT = new Vector2(inner.z, inner.y);
UV_BOTTOM_CENTER_LEFT = new Vector2(inner.x, inner.w);
UV_BOTTOM_CENTER_RIGHT = new Vector2(inner.z, inner.w);
UV_TOP_RIGHT = new Vector2(outer.z, outer.y);
UV_BOTTOM_RIGHT = new Vector2(outer.z, outer.w);
}
else
{
UV_TOP_LEFT = Vector2.zero;
UV_BOTTOM_LEFT = new Vector2(0, 1);
UV_TOP_CENTER_LEFT = new Vector2(0.5f, 0);
UV_TOP_CENTER_RIGHT = new Vector2(0.5f, 0);
UV_BOTTOM_CENTER_LEFT = new Vector2(0.5f, 1);
UV_BOTTOM_CENTER_RIGHT = new Vector2(0.5f, 1);
UV_TOP_RIGHT = new Vector2(1, 0);
UV_BOTTOM_RIGHT = Vector2.one;
}
startUvs = new[] { UV_TOP_LEFT, UV_BOTTOM_LEFT, UV_BOTTOM_CENTER_LEFT, UV_TOP_CENTER_LEFT };
middleUvs = new[] { UV_TOP_CENTER_LEFT, UV_BOTTOM_CENTER_LEFT, UV_BOTTOM_CENTER_RIGHT, UV_TOP_CENTER_RIGHT };
endUvs = new[] { UV_TOP_CENTER_RIGHT, UV_BOTTOM_CENTER_RIGHT, UV_BOTTOM_RIGHT, UV_TOP_RIGHT };
fullUvs = new[] { UV_TOP_LEFT, UV_BOTTOM_LEFT, UV_BOTTOM_RIGHT, UV_TOP_RIGHT };
}
protected override void ResolutionToNativeSize(float distance)
{
if (UseNativeSize)
{
m_Resolution = distance / (activeSprite.rect.width / pixelsPerUnit);
lineThickness = activeSprite.rect.height / pixelsPerUnit;
}
}
}
}

84
Scripts/Primitives/UIPrimitiveBase.cs
View File

@ -12,14 +12,16 @@ namespace UnityEngine.UI.Extensions
public class UIPrimitiveBase : MaskableGraphic, ILayoutElement, ICanvasRaycastFilter
{
static protected Material s_ETC1DefaultUI = null;
[SerializeField]
private Sprite m_Sprite;
public Sprite sprite { get { return m_Sprite; } set { if (SetPropertyUtility.SetClass(ref m_Sprite, value)) SetAllDirty(); } }
[SerializeField] private Sprite m_Sprite;
public Sprite sprite { get { return m_Sprite; } set { if (SetPropertyUtility.SetClass(ref m_Sprite, value)) ; GeneratedUVs(); SetAllDirty(); } }
[NonSerialized]
private Sprite m_OverrideSprite;
public Sprite overrideSprite { get { return m_OverrideSprite == null ? sprite : m_OverrideSprite; } set { if (SetPropertyUtility.SetClass(ref m_OverrideSprite, value)) SetAllDirty(); } }
public Sprite overrideSprite { get { return activeSprite; } set { if (SetPropertyUtility.SetClass(ref m_OverrideSprite, value)) GeneratedUVs(); SetAllDirty(); } }
protected Sprite activeSprite { get { return m_OverrideSprite != null ? m_OverrideSprite : sprite; } }
// Not serialized until we support read-enabled sprites better.
internal float m_EventAlphaThreshold = 1;
@ -30,10 +32,31 @@ namespace UnityEngine.UI.Extensions
public ResolutionMode ImproveResolution { get { return m_improveResolution; } set { m_improveResolution = value; SetAllDirty(); } }
[SerializeField]
private float m_Resolution;
protected float m_Resolution;
public float Resoloution { get { return m_Resolution; } set { m_Resolution = value; SetAllDirty(); } }
[SerializeField]
private bool m_useNativeSize;
public bool UseNativeSize { get { return m_useNativeSize; } set { m_useNativeSize = value; SetAllDirty(); } }
protected UIPrimitiveBase()
{
useLegacyMeshGeneration = false;
}
/// <summary>
/// Default material used to draw everything if no explicit material was specified.
/// </summary>
static public Material defaultETC1GraphicMaterial
{
get
{
if (s_ETC1DefaultUI == null)
s_ETC1DefaultUI = Canvas.GetETC1SupportedCanvasMaterial();
return s_ETC1DefaultUI;
}
}
/// <summary>
/// Image's texture comes from the UnityEngine.Image.
@ -42,7 +65,7 @@ namespace UnityEngine.UI.Extensions
{
get
{
if (overrideSprite == null)
if (activeSprite == null)
{
if (material != null && material.mainTexture != null)
{
@ -51,7 +74,24 @@ namespace UnityEngine.UI.Extensions
return s_WhiteTexture;
}
return overrideSprite.texture;
return activeSprite.texture;
}
}
/// <summary>
/// Whether the Image has a border to work with.
/// </summary>
public bool hasBorder
{
get
{
if (activeSprite != null)
{
Vector4 v = activeSprite.border;
return v.sqrMagnitude > 0f;
}
return false;
}
}
@ -60,8 +100,8 @@ namespace UnityEngine.UI.Extensions
get
{
float spritePixelsPerUnit = 100;
if (sprite)
spritePixelsPerUnit = sprite.pixelsPerUnit;
if (activeSprite)
spritePixelsPerUnit = activeSprite.pixelsPerUnit;
float referencePixelsPerUnit = 100;
if (canvas)
@ -71,6 +111,25 @@ namespace UnityEngine.UI.Extensions
}
}
public override Material material
{
get
{
if (m_Material != null)
return m_Material;
if (activeSprite && activeSprite.associatedAlphaSplitTexture != null)
return defaultETC1GraphicMaterial;
return defaultMaterial;
}
set
{
base.material = value;
}
}
protected UIVertex[] SetVbo(Vector2[] vertices, Vector2[] uvs)
{
@ -98,6 +157,7 @@ namespace UnityEngine.UI.Extensions
{
totalDistance += Vector2.Distance(input[i], input[i + 1]);
}
ResolutionToNativeSize(totalDistance);
increments = totalDistance / m_Resolution;
var incrementCount = 0;
for (int i = 0; i < input.Length - 1; i++)
@ -121,6 +181,7 @@ namespace UnityEngine.UI.Extensions
var p1 = input[i];
outputList.Add(p1);
var p2 = input[i + 1];
ResolutionToNativeSize(Vector2.Distance(p1, p2));
increments = 1f / m_Resolution;
for (Single j = 1; j < m_Resolution; j++)
{
@ -133,6 +194,11 @@ namespace UnityEngine.UI.Extensions
return outputList.ToArray();
}
protected virtual void GeneratedUVs() { }
protected virtual void ResolutionToNativeSize(float distance) { }
#region ILayoutElement Interface
public virtual void CalculateLayoutInputHorizontal() { }