protected void OnDestroy()
{
// 已知在Editor下结束游戏时m_TrailRenderer可能为null
if (m_TrailRenderer != null)
{
m_TrailRenderer.OnTrailMeshWillRender -= OnTrailMeshWillRender;
Destroy(m_TrailRenderer.gameObject);
m_TrailRenderer = null;
}
}
protected void Awake()
{
// TEST 为了看效果临时写的
RendererCamera.depthTextureMode = DepthTextureMode.Depth;
m_TrailRenderer = new GameObject("(TrailRenderer)" + name).AddComponent <hwmTrailMeshRenderer>();
m_TrailRenderer.OnTrailMeshWillRender += OnTrailMeshWillRender;
#region Create Buffers
// TODO 这里应该可以优化，减少Buffer数量
// 魔法数字4: 一个Section是一个长方形Mesh，一个长方形4个顶点
m_PositionBuffer = new Vector3[MaxSectionCount * 4];
m_ColorBuffer = new Color32[MaxSectionCount * 4];
m_UVBuffer = new Vector2[MaxSectionCount * 4];
m_IndexBuffer = new int[(MaxSectionCount - 1) * 6];
for (int iIndex = 0; iIndex < MaxSectionCount - 1; iIndex++)
{
m_IndexBuffer[iIndex * 6] = iIndex * 4;
m_IndexBuffer[iIndex * 6 + 1] = iIndex * 4 + 1;
m_IndexBuffer[iIndex * 6 + 2] = iIndex * 4 + 2;
m_IndexBuffer[iIndex * 6 + 3] = iIndex * 4 + 2;
m_IndexBuffer[iIndex * 6 + 4] = iIndex * 4 + 1;
m_IndexBuffer[iIndex * 6 + 5] = iIndex * 4 + 3;
}
#endregion
// Mesh要放在Create Buffer后面
m_Mesh0 = CreateDefaultMesh();
m_Mesh1 = CreateDefaultMesh();
m_DummyMesh = new Mesh();
m_TrailRenderer._MeshFilter.mesh = m_DummyMesh;
m_TrailRenderer._MeshRenderer.sharedMaterial = TrailMateiral;
if (AutoEmittingWhenAwake)
{
StartTrail();
}
}
