public void Execute(ArchetypeChunk chunk, int chunkIndex, int firstEntityIndex)
{
NativeArray <ScrollRect> scrollRect = chunk.GetNativeArray(ScrollRectType);
NativeArray <Entity> scrollEntity = chunk.GetNativeArray(EntityType);
var rebuildContext = new HierarchyRebuildContext()
{
ChildrenFromEntity = ChildrenFromEntity,
WorldSpaceRectFromEntity = WorldSpaceRectFromEntity,
RectTransformFromEntity = RectTransformFromEntity,
RebuildFlagFromEntity = RebuildFlagFromEntity,
ElementScaleFromEntity = ElementScaleFromEntity,
WorldSpaceMaskFromEntity = WorldSpaceMaskFromEntity,
RectMaskFromEntity = RectMaskFromEntity
};
for (int i = 0; i < scrollRect.Length; i++)
{
ScrollRect scrollView = scrollRect[i];
ScrollViewTransforms transforms = GatherTransforms(scrollEntity[i], scrollView);
var oldContentRect = transforms.ContentRect;
transforms.ViewportTransform.AnchorMin = new float2(0.0f, 0.0f);
transforms.ViewportTransform.AnchorMax = new float2(1.0f, 1.0f);
transforms.ViewportTransform.SizeDelta = new float2(-transforms.VerticalAreaTransform.SizeDelta.x - scrollView.VerticalBarSpacing, -transforms.HorizontalAreaTransform.SizeDelta.y - scrollView.HorizontalBarSpacing);
transforms.ViewportRect = RectTransformUtils.CalculateWorldSpaceRect(transforms.ScrollViewRect,
ElementScaleFromEntity[scrollEntity[i]].Value, transforms.ViewportTransform);
RectTransformFromEntity[scrollView.Viewport] = transforms.ViewportTransform;
var contentToViewportRatio = transforms.ViewportRect.Size / transforms.ContentRect.Size;
var verticalEntity = scrollView.VerticalBar;
if (ScrollBarFromEntity.Exists(verticalEntity))
{
UpdateScrollBar(scrollView, verticalEntity, contentToViewportRatio, ref transforms, ScrollBarAxis.Vertical);
}
var horizontalEntity = scrollView.HorizontalBar;
if (ScrollBarFromEntity.Exists(horizontalEntity))
{
UpdateScrollBar(scrollView, horizontalEntity, contentToViewportRatio, ref transforms, ScrollBarAxis.Horizontal);
}
if (NeedUpdate(oldContentRect, transforms.ContentRect))
{
var newContentTransform = RectTransformUtils.CalculateInverseTransformWithAnchors(transforms.ContentRect,
transforms.ViewportRect, transforms.ContentTransform, ElementScaleFromEntity[scrollView.Content].Value);
RectTransformFromEntity[scrollView.Content] = newContentTransform;
UpdateScrollRectTransform(scrollEntity[i], transforms.ScrollViewRect, rebuildContext);
}
}
}
public void InverseRectTransform()
{
NativeArray <WorldSpaceRect> parentRects = new NativeArray <WorldSpaceRect>(4, Allocator.Temp);
parentRects[0] = new WorldSpaceRect()
{
Min = new float2(0.0f, 0.0f), Max = new float2(100.0f, 100.0f)
};
parentRects[1] = new WorldSpaceRect()
{
Min = new float2(10.0f, 10.0f), Max = new float2(100.0f, 100.0f)
};
parentRects[2] = new WorldSpaceRect()
{
Min = new float2(-10.0f, -10.0f), Max = new float2(100.0f, 100.0f)
};
parentRects[3] = new WorldSpaceRect()
{
Min = new float2(-100.0f, -100.0f), Max = new float2(-10.0f, -10.0f)
};
NativeArray <RectTransform> rectTransforms = new NativeArray <RectTransform>(4, Allocator.Temp);
rectTransforms[0] = new RectTransform()
{
AnchorMin = new float2(0.0f, 0.0f),
AnchorMax = new float2(1.0f, 1.0f),
Pivot = new float2(0.5f, 0.5f),
Position = new float2(5.0f, 5.0f),
SizeDelta = new float2(20.0f, 20.0f)
};
rectTransforms[1] = new RectTransform()
{
AnchorMin = new float2(0.0f, 0.0f),
AnchorMax = new float2(0.0f, 1.0f),
Pivot = new float2(1.0f, 1.0f),
Position = new float2(5.0f, 5.0f),
SizeDelta = new float2(20.0f, 20.0f)
};
rectTransforms[2] = new RectTransform()
{
AnchorMin = new float2(0.5f, 0.5f),
AnchorMax = new float2(0.5f, 0.5f),
Pivot = new float2(0.5f, 0.5f),
Position = new float2(-5.0f, -5.0f),
SizeDelta = new float2(20.0f, 20.0f)
};
rectTransforms[3] = new RectTransform()
{
AnchorMin = new float2(1.0f, 1.0f),
AnchorMax = new float2(1.0f, 1.0f),
Pivot = new float2(0.0f, 0.0f),
Position = new float2(-5.0f, -5.0f),
SizeDelta = new float2(20.0f, 20.0f)
};
for (int i = 0; i < parentRects.Length; i++)
{
for (int j = 0; j < rectTransforms.Length; j++)
{
var worldSpace = RectTransformUtils.CalculateWorldSpaceRect(parentRects[i], new float2(1.0f, 1.0f), rectTransforms[j]);
var emptyTransform = new RectTransform()
{
AnchorMin = rectTransforms[j].AnchorMin,
AnchorMax = rectTransforms[j].AnchorMax,
Pivot = rectTransforms[j].Pivot
};
var calculatedTransform = RectTransformUtils.CalculateInverseTransformWithAnchors(worldSpace,
parentRects[i], emptyTransform, new float2(1.0f, 1.0f));
Assert.IsTrue(RectTransformEquals(rectTransforms[j], calculatedTransform));
}
}
}
