/// <summary>
/// 绘制Shadow
/// </summary>
/// <param name="vh"></param>
private void ModifyMesh(VertexHelper vh)
{
if (!IsActive())
{
return;
}
var output = UIEffectListPool <UIVertex> .Get();
vh.GetUIVertexStream(output);
int len = output.Count;
var neededCpacity = output.Count * 6;
if (output.Capacity < neededCpacity)
{
output.Capacity = neededCpacity;
}
// Shadow
ApplyShadowZeroAlloc(output, m_ShadowEffectColor, 0, output.Count, m_ShadowEffectDistance.x,
m_ShadowEffectDistance.y, m_ShadowUseGraphicAlpha);
// Outline
var start = len;
var end = output.Count;
ApplyShadowZeroAlloc(output, m_OutlineEffectColor, start, output.Count, m_OutlineEffectDistance.x,
m_OutlineEffectDistance.y, m_OutlineUseGraphicAlpha);
start = end;
end = output.Count;
ApplyShadowZeroAlloc(output, m_OutlineEffectColor, start, output.Count, m_OutlineEffectDistance.x,
-m_OutlineEffectDistance.y, m_OutlineUseGraphicAlpha);
start = end;
end = output.Count;
ApplyShadowZeroAlloc(output, m_OutlineEffectColor, start, output.Count, -m_OutlineEffectDistance.x,
m_OutlineEffectDistance.y, m_OutlineUseGraphicAlpha);
start = end;
end = output.Count;
ApplyShadowZeroAlloc(output, m_OutlineEffectColor, start, output.Count, -m_OutlineEffectDistance.x,
-m_OutlineEffectDistance.y, m_OutlineUseGraphicAlpha);
vh.Clear();
vh.AddUIVertexTriangleStream(output);
UIEffectListPool <UIVertex> .Release(output);
}
public override void ModifyMesh(VertexHelper vh)
{
if (IsActive() == false)
{
return;
}
var vList = UIEffectListPool <UIVertex> .Get();
vh.GetUIVertexStream(vList);
ModifyVertices(vList);
vh.Clear();
vh.AddUIVertexTriangleStream(vList);
UIEffectListPool <UIVertex> .Release(vList);
}