// [TODO] currently only allows for left-justified text.
// Can support center/right, but the translate block needs to be rewritten
// (can we generalize as target-center of 2D bbox??
public static fTextGameObject CreateTextMeshProGO(
string sName, string sText,
Colorf textColor, float fTextHeight,
BoxPosition textOrigin = BoxPosition.Center,
float fOffsetZ = -0.01f)
{
GameObject textGO = new GameObject(sName);
TextMeshProExt tm = textGO.AddComponent <TextMeshProExt>();
//tm.isOrthographic = false;
tm.alignment = TextAlignmentOptions.TopLeft;
tm.enableWordWrapping = false;
tm.autoSizeTextContainer = true;
tm.fontSize = 16;
tm.text = sText;
tm.color = textColor;
// ignore material changes when we add to GameObjectSet
textGO.AddComponent <IgnoreMaterialChanges>();
textGO.AddComponent <TextMeshProAlphaMultiply>();
// use our textmesh material instead
//MaterialUtil.SetTextMeshDefaultMaterial(tm);
TextContainer container = textGO.GetComponent <TextContainer>();
container.isAutoFitting = true;
container.anchorPosition = TextContainerAnchors.TopLeft;
if (textOrigin == BoxPosition.Center)
{
container.anchorPosition = TextContainerAnchors.Middle;
tm.alignment = TextAlignmentOptions.Center;
}
else if (textOrigin == BoxPosition.BottomLeft)
{
container.anchorPosition = TextContainerAnchors.BottomLeft;
tm.alignment = TextAlignmentOptions.BottomLeft;
}
else if (textOrigin == BoxPosition.TopRight)
{
container.anchorPosition = TextContainerAnchors.TopRight;
tm.alignment = TextAlignmentOptions.TopRight;
}
else if (textOrigin == BoxPosition.BottomRight)
{
container.anchorPosition = TextContainerAnchors.BottomRight;
tm.alignment = TextAlignmentOptions.BottomRight;
}
else if (textOrigin == BoxPosition.CenterLeft)
{
container.anchorPosition = TextContainerAnchors.Left;
tm.alignment = TextAlignmentOptions.Left;
}
else if (textOrigin == BoxPosition.CenterRight)
{
container.anchorPosition = TextContainerAnchors.Right;
tm.alignment = TextAlignmentOptions.Right;
}
else if (textOrigin == BoxPosition.CenterTop)
{
container.anchorPosition = TextContainerAnchors.Top;
tm.alignment = TextAlignmentOptions.Top;
}
else if (textOrigin == BoxPosition.CenterBottom)
{
container.anchorPosition = TextContainerAnchors.Bottom;
tm.alignment = TextAlignmentOptions.Bottom;
}
tm.ForceMeshUpdate();
// set container width and height to just contain text
AxisAlignedBox3f bounds = tm.bounds;
Vector2f size = new Vector2f(bounds.Width, bounds.Height);
container.width = size.x + 1;
container.height = size.y + 1;
// Now we want to scale text to hit our target height, but if we scale by size.y
// then the scaling will vary by text height (eg "m" will get same height as "My").
// However: 1) size.y varies with tm.fontSize, but it's not clear how.
// 2) fontInfo.LineHeight tells us the height we want but doesn't change w/ tm.fontSize
// I tried a few values and the relationship is linear. It is in the ballpark
// of just being 10x...actually closer to 11x. No other values in fontInfo have a nice
// round-number relationship. But this value is probably font-dependent!!
float t = tm.fontSize / tm.font.fontInfo.LineHeight;
float magic_k = 10.929f; // [RMS] solve-for-x given a few different fontSize values
float font_size_y = magic_k * t;
tm.fontSizeYScale = 1 / font_size_y;
tm.SetTextSizeFromHeight(fTextHeight);
//float fScaleH = fTextHeight / font_size_y;
//tm.transform.localScale = new Vector3f(fScaleH, fScaleH, fScaleH);
float fTextWidth = tm.GetTextScaleForHeight(fTextHeight) * size.x;
textGO.GetComponent <Renderer>().material.renderQueue = SceneGraphConfig.TextRendererQueue;
return(new fTextGameObject(textGO, new fText(tm, TextType.TextMeshPro),
new Vector2f(fTextWidth, fTextHeight)));
}
// [TODO] currently only allows for left-justified text.
// Can support center/right, but the translate block needs to be rewritten
// (can we generalize as target-center of 2D bbox??
public static fTextGameObject CreateTextMeshProGO(
string sName, string sText,
Colorf textColor, float fTextHeight,
BoxPosition textOrigin = BoxPosition.Center,
float fOffsetZ = -0.01f)
{
GameObject textGO = new GameObject(sName);
TextMeshProExt tm = textGO.AddComponent <TextMeshProExt>();
//tm.isOrthographic = false;
tm.alignment = TextAlignmentOptions.TopLeft;
tm.enableWordWrapping = false;
tm.autoSizeTextContainer = true;
tm.fontSize = 16;
tm.text = sText;
tm.color = textColor;
// ignore material changes when we add to GameObjectSet
textGO.AddComponent <IgnoreMaterialChanges>();
textGO.AddComponent <TextMeshProAlphaMultiply>();
// use our textmesh material instead
//MaterialUtil.SetTextMeshDefaultMaterial(tm);
// convert TextContainerAnchor (which refers to TextContainer, that was deprecated) to
// pivot point, which we will set on rectTransform
Vector2f pivot = GetTextMeshProPivot(TextContainerAnchors.TopLeft);
if (textOrigin == BoxPosition.Center)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.Middle);
tm.alignment = TextAlignmentOptions.Center;
}
else if (textOrigin == BoxPosition.BottomLeft)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.BottomLeft);
tm.alignment = TextAlignmentOptions.BottomLeft;
}
else if (textOrigin == BoxPosition.TopRight)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.TopRight);
tm.alignment = TextAlignmentOptions.TopRight;
}
else if (textOrigin == BoxPosition.BottomRight)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.BottomRight);
tm.alignment = TextAlignmentOptions.BottomRight;
}
else if (textOrigin == BoxPosition.CenterLeft)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.Left);
tm.alignment = TextAlignmentOptions.Left;
}
else if (textOrigin == BoxPosition.CenterRight)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.Right);
tm.alignment = TextAlignmentOptions.Right;
}
else if (textOrigin == BoxPosition.CenterTop)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.Top);
tm.alignment = TextAlignmentOptions.Top;
}
else if (textOrigin == BoxPosition.CenterBottom)
{
pivot = GetTextMeshProPivot(TextContainerAnchors.Bottom);
tm.alignment = TextAlignmentOptions.Bottom;
}
tm.rectTransform.pivot = pivot;
tm.ForceMeshUpdate();
// read out bounds so we can know size (does this matter? why does fTextGO have size field?)
AxisAlignedBox3f bounds = tm.bounds;
Vector2f size = new Vector2f(bounds.Width, bounds.Height);
tm.fontSizeYScale = GetYScale(tm);
tm.SetTextSizeFromHeight(fTextHeight);
float fScale = tm.GetTextScaleForHeight(fTextHeight);
float fTextWidth = fScale * size.x;
// set rendering queue (?)
textGO.GetComponent <Renderer>().material.renderQueue = SceneGraphConfig.TextRendererQueue;
fTextGameObject go = new fTextGameObject(textGO, new fText(tm, TextType.TextMeshPro),
new Vector2f(fTextWidth, fTextHeight));
if (fOffsetZ != 0)
{
Vector3f pos = go.GetLocalPosition();
pos.z += fOffsetZ;
go.SetLocalPosition(pos);
}
return(go);
}