/// <summary>
/// Fills a circle centered on spherePos location with fog using alpha (transparency) and custom width.
/// </summary>
/// <param name="spherePos">Sphere position.</param>
/// <param name="alpha">Alpha in the range 0..1.</param>
/// <param name="radius">Width in the range 0..1.</param>
/// <param name="strength">Strength of the brush in the range 0..1.</param>
public void SetFogOfWarAlpha(Vector3 spherePos, float alpha, float radius, float strength)
{
Vector2 latLon = Conversion.GetLatLonFromSpherePoint(spherePos);
Vector2 uv = Conversion.GetUVFromLatLon(latLon.x, latLon.y);
SetFowAlpha(uv, alpha, radius, strength);
}
/// <summary>
/// Fills a region with fog using alpha (transparency) and custom width.
/// </summary>
/// <param name="spherePos">Sphere position.</param>
/// <param name="alpha">Alpha in the range 0..1.</param>
/// <param name="strength">Strength of the brush in the range 0..1.</param>
public void SetFogOfWarAlpha(Region region, float alpha, float strength)
{
if (region == null)
{
return;
}
Rect rect = region.latlonRect2D;
float stepX = rect.width * 0.2f;
float stepY = rect.height * 0.2f;
Vector2 pos = new Vector2(rect.xMin, rect.yMin);
float radius = Mathf.Max(Mathf.Max(stepX, stepY) / overlayHeight, 0.001f);
while (pos.y < rect.yMax)
{
if (region.Contains(pos))
{
Vector2 uv = Conversion.GetUVFromLatLon(pos.x, pos.y);
SetFowAlpha(uv, alpha, radius, strength);
}
pos.x += stepX;
if (pos.x > rect.xMax)
{
pos.x = rect.xMin;
pos.y += stepY;
}
}
}
Texture2D GetWorldTexture()
{
if (worldRect.x == latMin && worldRect.y == lonMin && worldRect.z == latMax && worldRect.w == lonMax || worldColors == null)
{
return(worldTex);
}
worldRect.x = latMin;
worldRect.y = lonMin;
worldRect.z = latMax;
worldRect.w = lonMax;
Vector2 uv0 = Conversion.GetUVFromLatLon(latMin, lonMin);
Vector2 uv1 = Conversion.GetUVFromLatLon(latMax, lonMax);
int tx0 = (int)(uv0.x * tw);
int tx1 = (int)(uv1.x * tw);
int ty0 = (int)(uv0.y * th);
int ty1 = (int)(uv1.y * th);
Array.Copy(worldColors, tmp, tmp.Length);
for (int j = ty0; j <= ty1; j++)
{
for (int k = tx0; k <= tx1; k++)
{
tmp [j * tw + k].g = (byte)(255 - tmp [j * tw + k].g);
}
}
worldTex.SetPixels32(tmp);
worldTex.Apply();
return(worldTex);
}
IEnumerator Spread(int cityIndex)
{
City city = map.cities [cityIndex];
Vector2 latlon = city.latlon;
float radius = 0.002f;
switch (city.cityClass)
{
case CITY_CLASS.REGION_CAPITAL:
radius += 0.004f;
break;
case CITY_CLASS.COUNTRY_CAPITAL:
radius += 0.007f;
break;
}
radius += Random.value * 0.005f;
WaitForEndOfFrame w = new WaitForEndOfFrame();
Vector2 uv = Conversion.GetUVFromLatLon(latlon.x, latlon.y);
float startTime = Time.time;
float t = 0;
const float duration = 4f;
do
{
t = (Time.time - startTime) / duration;
if (t > 1f)
{
t = 1f;
}
rtVirusMap.Circle(uv, t * radius, circleMat);
yield return(w);
if (Random.value > 0.97f && bounces < MAX_BOUNCES)
{
Bounce(latlon);
}
} while(t < 1f);
Bounce(latlon);
bounces--;
}