void create_sub_items(MenuItem topItem, float fParentRadius, float fParentAngleMin, float fParentAngleMax)
{
float fInnerRadius = fParentRadius + SubItemRadialPadding;
float fOuterRadius = fInnerRadius + SubItemRadialWidth;
int nItems = topItem.SubItems.Count;
//float fParentAngleSpan = fParentAngleMax - fParentAngleMin;
float fParentAngleMid = 0.5f * (fParentAngleMax + fParentAngleMin);
//float fSubMenuSpan = 180.0f - (WedgePadding * (float)(nItems-1));
//float fWedgeSpan = fSubMenuSpan / (float)nItems;
float fWedgeSpan = 45.0f;
float fSubMenuSpan = nItems * fWedgeSpan + (float)(nItems - 1) * WedgePadding;
int nSlicesPerWedge = 16;
float fCurAngle = fParentAngleMid - fSubMenuSpan * 0.5f;
for (int i = 0; i < nItems; ++i)
{
MenuItem item = topItem.SubItems[i];
Mesh m = MeshGenerators.CreatePuncturedDisc(fInnerRadius, fOuterRadius, nSlicesPerWedge,
fCurAngle, fCurAngle + fWedgeSpan);
float fMidAngleRad = (fCurAngle + fWedgeSpan * 0.5f) * Mathf.Deg2Rad;
Vector2 vMid = new Vector2(Mathf.Cos(fMidAngleRad), Mathf.Sin(fMidAngleRad));
GameObject itemGO = AppendMeshGO(item.Label, m, itemMaterial, menuContainer);
itemGO.transform.Rotate(Vector3.right, -90.0f); // ??
topItem.SubItems[i].GO = itemGO;
// [TODO] this is to improve font centering. Right now we do absolute centering
// but visually this looks wrong because weight of font is below center-y.
// Right thing would be to align at top of lowercase letters, rather than center-y
// (to fix in future)
float fudge = 0.0f;
if (nItems == 2 && i == 1)
{
fudge = -0.1f;
}
TextLabelGenerator textGen = new TextLabelGenerator()
{
Text = item.Label, Scale = SubItemTextScale,
Translate = vMid * (fInnerRadius + (TextCenterPointFactor + fudge) * SubItemRadialWidth),
Align = TextLabelGenerator.Alignment.HVCenter
};
List <GameObject> vTextElems = textGen.Generate();
AddVisualElements(vTextElems, true);
// actually want these GOs to be parented to itemGO
UnityUtil.AddChildren(itemGO, vTextElems, true);
itemGO.SetVisible(false);
if (item.SubItems != null)
{
create_sub_items(item, fOuterRadius, fCurAngle, fCurAngle + fWedgeSpan);
}
fCurAngle += WedgePadding + fWedgeSpan;
}
}
public void Create()
{
menuContainer = new GameObject(UniqueNames.GetNext("HUDRadialMenu"));
itemMaterial = MaterialUtil.CreateFlatMaterial(ItemColor);
highlightMaterial = MaterialUtil.CreateFlatMaterial(HighlightColor);
float fInnerRadius = Radius * DeadZoneRadiusFactor;
centerPoint = AppendUnityPrimitiveGO("center_point", PrimitiveType.Sphere, highlightMaterial, menuContainer, false);
centerPoint.transform.localScale = fInnerRadius * 0.25f * Vector3.one;
int nItems = TopLevelItems.Count;
float fWedgeSpan = (AngleSpan / (float)nItems) - WedgePadding;
int nSlicesPerWedge = 64 / nItems;
float fCurAngle = AngleShift;
for (int i = 0; i < nItems; ++i)
{
Mesh m = MeshGenerators.CreatePuncturedDisc(fInnerRadius, Radius, nSlicesPerWedge,
fCurAngle, fCurAngle + fWedgeSpan);
float fMidAngleRad = (fCurAngle + fWedgeSpan * 0.5f) * Mathf.Deg2Rad;
Vector2 vMid = new Vector2(Mathf.Cos(fMidAngleRad), Mathf.Sin(fMidAngleRad));
TopLevelItems[i].GO = AppendMeshGO(TopLevelItems[i].Label, m, itemMaterial, menuContainer);
TopLevelItems[i].GO.transform.Rotate(Vector3.right, -90.0f); // ??
// [TODO] this is to improve font centering. Right now we do absolute centering
// but visually this looks wrong because weight of font is below center-y.
// Right thing would be to align at top of lowercase letters, rather than center-y
// (to fix in future)
float fudge = 0.0f;
if (nItems == 2 && i == 1)
{
fudge = -0.1f;
}
TextLabelGenerator textGen = new TextLabelGenerator()
{
Text = TopLevelItems[i].Label, Scale = TextScale,
Translate = vMid * (TextCenterPointFactor + fudge) * Radius,
Align = TextLabelGenerator.Alignment.HVCenter
};
AddVisualElements(textGen.Generate(), true);
// debug: add red dots at center points to see how well text is aligned...
//GameObject tmp = AppendUnityPrimitiveGO("center", PrimitiveType.Sphere, MaterialUtil.CreateStandardMaterial(Color.red), RootGameObject);
//tmp.transform.localScale = new Vector3(0.15f, 0.15f, 0.15f);
//tmp.transform.position = textGen.Translate;
if (TopLevelItems[i].SubItems != null)
{
create_sub_items(TopLevelItems[i], Radius, fCurAngle, fCurAngle + fWedgeSpan);
}
fCurAngle += WedgePadding + fWedgeSpan;
}
}