public override void ModifyMesh(VertexHelper vh)
{
if (enabled)
{
Rect rect = graphic.rectTransform.rect;
Vector2 dir = GradientUtils.RotationDir(m_angle);
if (!m_ignoreRatio)
{
dir = GradientUtils.CompensateAspectRatio(rect, dir);
}
GradientUtils.Matrix2x3 localPositionMatrix = GradientUtils.LocalPositionMatrix(rect, dir);
UIVertex vertex = default(UIVertex);
for (int i = 0; i < vh.currentVertCount; i++)
{
vh.PopulateUIVertex(ref vertex, i);
Vector2 localPosition = localPositionMatrix * vertex.position;
vertex.color *= Color.Lerp(m_color2, m_color1, localPosition.y);
vh.SetUIVertex(vertex, i);
}
}
}