static public GameObject GetPlanetObject(PlanetTypes.e_type planetType)
{
GameObject planet = Resources.Load <GameObject>("GameObjects/PlanetTravelScreen");
string basePath = "Graphics/planets";
switch (planetType)
{
case PlanetTypes.e_type.ANTI_MATER: planet.GetComponent <SpriteRenderer>().sprite = GetSprite(basePath + "/antimater"); break;
case PlanetTypes.e_type.ICE: planet.GetComponent <SpriteRenderer>().sprite = GetSprite(basePath + "/ice"); break;
case PlanetTypes.e_type.MAGMA: planet.GetComponent <SpriteRenderer>().sprite = GetSprite(basePath + "/magma"); break;
case PlanetTypes.e_type.VEGETATION: planet.GetComponent <SpriteRenderer>().sprite = GetSprite(basePath + "/vegetation"); break;
case PlanetTypes.e_type.WATER: planet.GetComponent <SpriteRenderer>().sprite = GetSprite(basePath + "/water"); break;
}
return(planet);
}
void RadialPlanetSpawn(Vector2 centerPos, float maxRadiusSpawn, float density, PlanetTypes.e_type planetType, string planetGroupName)
{
float startTime = Time.realtimeSinceStartup;
const float minDistanceFromCenter = 8f; //used since density close to center is huge(planets would be to close to each other)
GameObject planetsHolder = new GameObject(planetGroupName); //Parent GameObject of all instantiated objects
for (float distanceFromCenter = minDistanceFromCenter; distanceFromCenter < maxRadiusSpawn; distanceFromCenter += LAYER_DISTANCE) //loop through every layer(layer=one of manny circles around center with given radius. Every next circle will have bigger radius/will be further from center)
{
List <GameObject> currentLayerPlanetList = new List <GameObject>();
for (int i = 0; i < density; ++i) //Try to spawn this many planets on current layer
{
float distancePercentFactor = 1 - distanceFromCenter / maxRadiusSpawn; //it gets lower, the chance that planet will be spawn are also lower
bool shouldPlanetBeSpawn = (distancePercentFactor > Random.Range(0f, 1f)) ? true : false;
if (shouldPlanetBeSpawn)
{
float randomAngle = Random.Range(0f, 360f) * Mathf.Deg2Rad; //sin and cos function work with radians
Vector2 newPlanetRandPosOnLayer = new Vector2(distanceFromCenter * Mathf.Cos(randomAngle) + centerPos.x, distanceFromCenter * Mathf.Sin(randomAngle) + centerPos.y); //calculate position of coordinate with given angle
bool planetDistanceToShort = false;
foreach (GameObject p in currentLayerPlanetList) //loop through every planet on current layer and check if there is AT LEAST ONE that is to close to our planet
{
if (Vector2.Distance(p.transform.position, newPlanetRandPosOnLayer) < MIN_PLANET_ON_SAME_LAYER_DISTANCE)
{
planetDistanceToShort = true;
}
}
if (!planetDistanceToShort)
{
GameObject newPlanet = Instantiate(ResourceManager.GetPlanetObject(planetType), newPlanetRandPosOnLayer, Quaternion.identity, planetsHolder.transform);
currentLayerPlanetList.Add(newPlanet);
/*
* visiblePlanets are here for now
*/
visiblePlanets.Add(newPlanet);
}
}
}
}
Debug.Log("Planets spawn => [" + visiblePlanets.Count + "," + planetType + "] Time=" + (Time.realtimeSinceStartup - startTime));
}