public static void RemoveSpawnArea(LightningSpawnArea area)
{
if (m_SpawnAreas.Contains(area))
{
m_SpawnAreas.Remove(area);
}
}
public static void AddSpawnArea(LightningSpawnArea area)
{
if (m_SpawnAreas.Contains(area) == false)
{
m_SpawnAreas.Add(area);
}
}
float CalculateLightningBoltScaleForArea(LightningSpawnArea area)
{
if (m_Style.alignment == LightningArtItem.Alignment.ScaleToFit)
{
return(area.lightningArea.y / 2.0f);
}
else
{
return(m_Style.size);
}
}
Vector3 GetRandomWorldPositionInsideSpawnArea(LightningSpawnArea area)
{
float xPos = Random.Range(-area.lightningArea.x, area.lightningArea.x) / 2.0f;
float zPos = Random.Range(-area.lightningArea.z, area.lightningArea.z) / 2.0f;
float yPos = 0;
if (m_Style.alignment == LightningArtItem.Alignment.TopAlign)
{
yPos = (area.lightningArea.y / 2.0f) - (m_Style.size / 2.0f);
}
return(area.transform.TransformPoint(new Vector3(xPos, yPos, zPos)));
}
// Select where the next sprite will be rendered at.
protected override void CalculateSpriteTRS(BaseSpriteItemData data, out Vector3 spritePosition, out Quaternion spriteRotation, out Vector3 spriteScale)
{
LightningSpawnArea area = GetRandomLightningSpawnArea();
float boltScale = CalculateLightningBoltScaleForArea(area);
spriteScale = new Vector3(boltScale, boltScale, boltScale);
spritePosition = GetRandomWorldPositionInsideSpawnArea(area);
// Always face the sprite textures towards the main camera.
if (Camera.main == null)
{
Debug.LogError("Can't billboard lightning to viewer since there is no main camera tagged.");
spriteRotation = area.transform.rotation;
}
else
{
spriteRotation = Quaternion.LookRotation(spritePosition - Camera.main.transform.position, Vector3.up);
}
}
private bool ContainsLightningSpawnArea()
{
LightningSpawnArea area = GameObject.FindObjectOfType <LightningSpawnArea>();
return(area != null);
}
