/// <summary>
/// Modifies the mesh.
/// </summary>
public override void ModifyMesh(VertexHelper vh)
{
if (!isActiveAndEnabled)
{
return;
}
bool isText = isTMPro || graphic is Text;
float normalizedIndex = ptex.GetNormalizedIndex(this);
// rect.
var tex = transitionTexture;
var aspectRatio = m_KeepAspectRatio && tex ? ((float)tex.width) / tex.height : -1;
Rect rect = m_EffectArea.GetEffectArea(vh, rectTransform.rect, aspectRatio);
// Set prameters to vertex.
UIVertex vertex = default(UIVertex);
float x, y;
int count = vh.currentVertCount;
for (int i = 0; i < count; i++)
{
vh.PopulateUIVertex(ref vertex, i);
m_EffectArea.GetPositionFactor(i, rect, vertex.position, isText, isTMPro, out x, out y);
vertex.uv0 = new Vector2(
Packer.ToFloat(vertex.uv0.x, vertex.uv0.y),
Packer.ToFloat(x, y, normalizedIndex)
);
vh.SetUIVertex(vertex, i);
}
}
