void Update()
{
if (!isLocalPlayer)
{
return;
}
if (radius <= 0)
{
return;
}
if (m_OriginPosition != transform.position)
{
m_OriginPosition = transform.position;
var pos = FogOfWarEffect.WorldPositionToFOW(transform.position);
if (m_FowMapPos.x != pos.x || m_FowMapPos.y != pos.y || !m_IsInitialized)
{
m_FowMapPos = pos;
m_IsInitialized = true;
m_FieldData.position = transform.position;
m_FieldData.radius = radius;
//FogOfWarEffect.SetVisibleAtPosition(m_FieldData);
FogOfWarEffect.UpdateFOWFieldData(m_FieldData);
}
}
}
private void RaycastLine(FOWMap map, FOWMapPos pos, int centX, int centZ, float px, float pz, FOWFieldData field)
{
Vector2 dir = new Vector2(px, pz) * 10;
int x = centX + (int)dir.x;
int y = centZ + (int)dir.y;
SetInvisibleLine(map, pos.x, pos.y, x, y, centX, centZ, field.radiusSquare);
}
protected override void RayCast(FOWMap map, FOWMapPos pos, int centX, int centZ, FOWFieldData field)
{
float radiusSq = field.radiusSquare;
int x = pos.x - centX;
int z = pos.y - centZ;
m_SortAngle[0] = Mathf.Atan2((z * map.deltaZ + map.deltaZ / 2), (x * map.deltaX - map.deltaX / 2)) * Mathf.Rad2Deg;
m_SortAngle[1] = Mathf.Atan2((z * map.deltaZ - map.deltaZ / 2), (x * map.deltaX - map.deltaX / 2)) * Mathf.Rad2Deg;
m_SortAngle[2] = Mathf.Atan2((z * map.deltaZ + map.deltaZ / 2), (x * map.deltaX + map.deltaX / 2)) * Mathf.Rad2Deg;
m_SortAngle[3] = Mathf.Atan2((z * map.deltaZ - map.deltaZ / 2), (x * map.deltaX + map.deltaX / 2)) * Mathf.Rad2Deg;
float curAngle = Mathf.Atan2((z * map.deltaZ), (x * map.deltaX)) * Mathf.Rad2Deg;
SortAngle();
m_RayCastQueue.Clear();
m_RayCastQueue.Enqueue(pos);
int index = pos.y * map.texWidth + pos.x;
m_Arrives.Add(index);
while (m_RayCastQueue.Count > 0)
{
FOWMapPos root = m_RayCastQueue.Dequeue();
if (root.x - 1 >= 0 && (curAngle >= 90 || curAngle < -90))
{
SetInvisibleAtPosition(map, root.x - 1, root.y, centX, centZ, radiusSq);
}
if (root.x - 1 >= 0 && root.y - 1 >= 0 && curAngle <= -90 && curAngle >= -180)
{
SetInvisibleAtPosition(map, root.x - 1, root.y - 1, centX, centZ, radiusSq);
}
if (root.y - 1 >= 0 && curAngle <= 0 && curAngle >= -180)
{
SetInvisibleAtPosition(map, root.x, root.y - 1, centX, centZ, radiusSq);
}
if (root.x + 1 < map.texWidth && root.y - 1 >= 0 && curAngle <= 0 && curAngle >= -90)
{
SetInvisibleAtPosition(map, root.x + 1, root.y - 1, centX, centZ, radiusSq);
}
if (root.x + 1 < map.texWidth && curAngle >= -90 && curAngle <= 90)
{
SetInvisibleAtPosition(map, root.x + 1, root.y, centX, centZ, radiusSq);
}
if (root.x + 1 < map.texWidth && root.y + 1 < map.texHeight && curAngle >= 0 && curAngle <= 90)
{
SetInvisibleAtPosition(map, root.x + 1, root.y + 1, centX, centZ, radiusSq);
}
if (root.y + 1 < map.texHeight && curAngle >= 0 && curAngle <= 180)
{
SetInvisibleAtPosition(map, root.x, root.y + 1, centX, centZ, radiusSq);
}
if (root.x - 1 >= 0 && root.y + 1 < map.texHeight && curAngle >= 90 && curAngle <= 180)
{
SetInvisibleAtPosition(map, root.x - 1, root.y + 1, centX, centZ, radiusSq);
}
}
}
/// <summary>
/// 射线检测，将障碍物后全部设为不可见
/// TODO:待优化，实际上不必全部设置
/// </summary>
/// <param name="pos"></param>
/// <param name="centX"></param>
/// <param name="centZ"></param>
/// <param name="radiusSq"></param>
private void RayCast(FOWMapPos pos, int centX, int centZ, float radiusSq)
{
int x = pos.x - centX;
int z = pos.y - centZ;
m_SortAngle[0] = Mathf.Atan2((z * m_DeltaZ + m_DeltaZ / 2), (x * m_DeltaX - m_DeltaX / 2)) * Mathf.Rad2Deg;
m_SortAngle[1] = Mathf.Atan2((z * m_DeltaZ - m_DeltaZ / 2), (x * m_DeltaX - m_DeltaX / 2)) * Mathf.Rad2Deg;
m_SortAngle[2] = Mathf.Atan2((z * m_DeltaZ + m_DeltaZ / 2), (x * m_DeltaX + m_DeltaX / 2)) * Mathf.Rad2Deg;
m_SortAngle[3] = Mathf.Atan2((z * m_DeltaZ - m_DeltaZ / 2), (x * m_DeltaX + m_DeltaX / 2)) * Mathf.Rad2Deg;
float curAngle = Mathf.Atan2((z * m_DeltaZ), (x * m_DeltaX)) * Mathf.Rad2Deg;
SortAngle();
m_RayCastQueue.Clear();
m_RayCastQueue.Enqueue(pos);
int index = pos.y * m_TexWidth + pos.x;
m_Arrives.Add(index);
while (m_RayCastQueue.Count > 0)
{
FOWMapPos root = m_RayCastQueue.Dequeue();
if (root.x - 1 >= 0 && (curAngle >= 90 || curAngle < -90))
{
SetInvisibleAtPosition(root.x - 1, root.y, centX, centZ, radiusSq);
}
if (root.x - 1 >= 0 && root.y - 1 >= 0 && curAngle <= -90 && curAngle >= -180)
{
SetInvisibleAtPosition(root.x - 1, root.y - 1, centX, centZ, radiusSq);
}
if (root.y - 1 >= 0 && curAngle <= 0 && curAngle >= -180)
{
SetInvisibleAtPosition(root.x, root.y - 1, centX, centZ, radiusSq);
}
if (root.x + 1 < m_TexWidth && root.y - 1 >= 0 && curAngle <= 0 && curAngle >= -90)
{
SetInvisibleAtPosition(root.x + 1, root.y - 1, centX, centZ, radiusSq);
}
if (root.x + 1 < m_TexWidth && curAngle >= -90 && curAngle <= 90)
{
SetInvisibleAtPosition(root.x + 1, root.y, centX, centZ, radiusSq);
}
if (root.x + 1 < m_TexWidth && root.y + 1 < m_TexHdight && curAngle >= 0 && curAngle <= 90)
{
SetInvisibleAtPosition(root.x + 1, root.y + 1, centX, centZ, radiusSq);
}
if (root.y + 1 < m_TexHdight && curAngle >= 0 && curAngle <= 180)
{
SetInvisibleAtPosition(root.x, root.y + 1, centX, centZ, radiusSq);
}
if (root.x - 1 >= 0 && root.y + 1 < m_TexHdight && curAngle >= 90 && curAngle <= 180)
{
SetInvisibleAtPosition(root.x - 1, root.y + 1, centX, centZ, radiusSq);
}
}
}
protected override void RayCast(FOWMap map, FOWMapPos pos, int centX, int centZ, FOWFieldData field)
{
int x = pos.x - centX;
int z = pos.y - centZ;
float corner1x, corner1z, corner2x, corner2z;
GetCornersPos(x, z, out corner1x, out corner1z, out corner2x, out corner2z);
RaycastLine(map, pos, centX, centZ, corner1x, corner1z, field);
RaycastLine(map, pos, centX, centZ, corner2x, corner2z, field);
}
protected override void RayCast(FOWMap map, FOWMapPos pos, int centX, int centZ, FOWFieldData field)
{
float r = field.radius * map.invDeltaX;
Vector2 dir = new Vector2(pos.x - centX, pos.y - centZ);
float l = dir.magnitude;
if (r - l <= 0)
{
return;
}
dir = dir.normalized * (r - l);
int x = pos.x + (int)dir.x;
int y = pos.y + (int)dir.y;
SetInvisibleLine(map, pos.x, pos.y, x, y, centX, centZ, field.radiusSquare);
}
void Update()
{
if (radius <= 0)
{
return;
}
var pos = FogOfWarEffect.WorldPositionToFOW(transform.position);
if (m_FowMapPos.x != pos.x || m_FowMapPos.y != pos.y || first_time)
{
m_FowMapPos = pos;
first_time = true;
m_FieldData.position = transform.position;
m_FieldData.radius = radius;
//FogOfWarEffect.SetVisibleAtPosition(m_FieldData);
FogOfWarEffect.UpdateFOWFieldData(m_FieldData);
}
}
private bool PreRayCast(FOWMap map, FOWMapPos pos, int centX, int centZ)
{
float k = ((float)(pos.y - centZ)) / (pos.x - centX);
if (k < -0.414f && k >= -2.414f)
{
return(!IsVisible(map, pos.x + 1, pos.y + 1) && !IsVisible(map, pos.x - 1, pos.y - 1));
}
else if (k < -2.414f || k >= 2.414f)
{
return(!IsVisible(map, pos.x + 1, pos.y) && !IsVisible(map, pos.x - 1, pos.y));
}
else if (k < 2.414f && k >= 0.414f)
{
return(!IsVisible(map, pos.x + 1, pos.y - 1) && !IsVisible(map, pos.x - 1, pos.y + 1));
}
else
{
return(!IsVisible(map, pos.x, pos.y + 1) && !IsVisible(map, pos.x, pos.y - 1));
}
}
protected abstract void RayCast(FOWMap map, FOWMapPos pos, int centX, int centZ,
FOWFieldData field);
