public static void CreateText()
{
var go = new GameObject("New 3D Text", typeof(SimpleTextMesh));
go.GetComponent <SimpleTextMesh>().text = "Hello World";
EasyFontUtilities.SelectAndMoveToView(go);
}
void UpdateMaterial()
{
if (mat != null)
{
return;
}
mat = EasyFontUtilities.CreateFontMaterial();
}
void UpdateMesh()
{
if (text == prevText && color.Equals(prevColor) && mesh != null)
{
return;
}
prevText = text;
prevColor = color;
EasyFontUtilities.UpdateMesh(ref mesh, text, color);
}
void Update()
{
UpdateMesh();
if (mesh != null)
{
UpdateMaterial();
var mtx = transform.localToWorldMatrix;
var scale = EasyFontUtilities.kScaleFactor * characterSize;
var offset = EasyFontUtilities.CalcAnchorOffset(mesh, anchor);
offset.y = -offset.y;
var offsetMat = Matrix4x4.TRS(offset, Quaternion.identity, Vector3.one);
var scaleMat = Matrix4x4.Scale(new Vector3(scale, -scale, scale));
Graphics.DrawMesh(mesh, mtx * scaleMat * offsetMat, mat, gameObject.layer);
}
}
void RenderText(Camera cam)
{
// don't render if no GUILayer
var guiLayer = cam.GetComponent <GUILayer>();
if (guiLayer == null || !guiLayer.enabled)
{
return;
}
// our layer is culled
if ((cam.cullingMask & (1 << gameObject.layer)) == 0)
{
return;
}
UpdateMesh();
if (mesh == null)
{
return;
}
UpdateMaterial();
GL.PushMatrix();
GL.LoadPixelMatrix();
mat.SetPass(0);
var camRect = cam.pixelRect;
var pos = transform.position;
pos.x = camRect.x + pos.x * camRect.width + pixelOffset.x;
pos.y = camRect.y + pos.y * camRect.height + pixelOffset.y;
pos.z = 0;
pos += EasyFontUtilities.CalcAnchorOffset(mesh, anchor);
pos.x = Mathf.Round(pos.x);
pos.y = Mathf.Round(pos.y);
var scale = characterSize;
var mtx = Matrix4x4.TRS(pos, Quaternion.identity, new Vector3(scale, -scale, scale));
// Note: DrawMeshNow sets up current camera's view matrix;
// so make sure that's identity and reset it afterwards
cam.worldToCameraMatrix = Matrix4x4.identity;
Graphics.DrawMeshNow(mesh, mtx);
cam.ResetWorldToCameraMatrix();
GL.PopMatrix();
}
