public static Mesh createSurfaceMesh(PlanetData planet)
{
Stopwatch sw = new Stopwatch();
sw.Start();
int size = planet.triangles.Length;
int[] triangles = new int[size * 3];
Color32[] colors = new Color32[size * 3];
Vector3[] points = new Vector3[size * 3];
for (int i = 0; i < size; i++)
{
points[3 * i] = planet.points[planet.triangles[i].v1].point * (planet.points[planet.triangles[i].v1].height + 1) * planet.scale;
points[3 * i + 1] = planet.points[planet.triangles[i].v2].point * (planet.points[planet.triangles[i].v2].height + 1) * planet.scale;
points[3 * i + 2] = planet.points[planet.triangles[i].v3].point * (planet.points[planet.triangles[i].v3].height + 1) * planet.scale;
var biomeID = PlanetEx.biomeIndexOfTriangle(planet, i);
Color biomeColor;
if (biomeID < 0)
{
biomeColor = new Color(255, 255, 255);
}
else
{
biomeColor = planet.biomes[biomeID].color;
}
colors[3 * i] = biomeColor;
colors[3 * i + 1] = biomeColor;
colors[3 * i + 2] = biomeColor;
}
for (int i = 0; i < size * 3; i++)
{
triangles[i] = i;
}
Mesh m = new Mesh();
m.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
m.vertices = points;
m.colors32 = colors;
m.triangles = triangles;
m.RecalculateNormals();
m.RecalculateTangents();
m.RecalculateBounds();
sw.Stop();
UnityEngine.Debug.Log("Elapsed renderer " + sw.Elapsed);
return(m);
}
static void makeStructures(PlanetData planet, IRandomGenerator gen)
{
planet.structuresPrefabs = new List <GameObject>();
planet.structures = new List <StructureInfo>();
int[] structStartIndex = new int[planet.biomes.Length];
for (int i = 0; i < planet.biomes.Length; i++)
{
structStartIndex[i] = planet.structuresPrefabs.Count;
foreach (var s in planet.biomes[i].structures)
{
planet.structuresPrefabs.Add(s.prefab);
}
}
var dAngle = new UniformFloatDistribution(0, 360.0f);
for (int i = 0; i < planet.triangles.Length; i++)
{
int biomeId = PlanetEx.biomeIndexOfTriangle(planet, i);
if (biomeId < 0)
{
continue;
}
if (planet.biomes[biomeId].structureDensity <= 0 || planet.biomes[biomeId].structures.Count == 0)
{
continue;
}
var t = planet.triangles[i];
float area = MathEx.triangleArea(planet.points[t.v1].point, planet.points[t.v2].point, planet.points[t.v3].point) * planet.biomes[biomeId].structureDensity;
float v = area - (int)area;
if (new BernoulliDistribution(v).Next(gen))
{
area = (int)area + 1;
}
else
{
area = (int)area;
}
var p1 = planet.points[t.v1].point * (planet.points[t.v1].height + 1) * planet.scale;
var p2 = planet.points[t.v2].point * (planet.points[t.v2].height + 1) * planet.scale;
var p3 = planet.points[t.v3].point * (planet.points[t.v3].height + 1) * planet.scale;
var d = new Uniform3DTriangleDistribution(p1, p2, p3);
List <float> weights = new List <float>();
for (int j = 0; j < planet.biomes[biomeId].structures.Count; j++)
{
weights.Add(planet.biomes[biomeId].structures[j].weight);
}
var dStructs = new DiscreteDistribution(weights);
for (int j = 0; j < area; j++)
{
var pos = d.Next(gen);
planet.structures.Add(new StructureInfo(dStructs.Next(gen) + structStartIndex[biomeId], i, pos, dAngle.Next(gen)));
}
}
}
public static Mesh CreateWaterMesh(PlanetData planet)
{
Stopwatch sw = new Stopwatch();
sw.Start();
int oceanIndex = -1;
for (int i = 0; i < planet.biomes.Length; i++)
{
if (planet.biomes[i].isOceanBiome)
{
oceanIndex = i;
break;
}
}
if (oceanIndex < 0)
{
return(null);
}
int size = 0;
for (int i = 0; i < planet.triangles.Length; i++)
{
int b1 = planet.points[planet.triangles[i].v1].biomeID;
int b2 = planet.points[planet.triangles[i].v2].biomeID;
int b3 = planet.points[planet.triangles[i].v3].biomeID;
if (b1 == oceanIndex || b2 == oceanIndex || b3 == oceanIndex)
{
size++;
}
}
int[] triangles = new int[size * 3];
Color32[] colors = new Color32[size * 3];
Vector3[] points = new Vector3[size * 3];
int index = 0;
for (int i = 0; i < planet.triangles.Length; i++)
{
int b1 = planet.points[planet.triangles[i].v1].biomeID;
int b2 = planet.points[planet.triangles[i].v2].biomeID;
int b3 = planet.points[planet.triangles[i].v3].biomeID;
if (b1 != oceanIndex && b2 != oceanIndex && b3 != oceanIndex)
{
continue;
}
points[3 * index] = planet.points[planet.triangles[i].v1].point * planet.scale;
points[3 * index + 1] = planet.points[planet.triangles[i].v2].point * planet.scale;
points[3 * index + 2] = planet.points[planet.triangles[i].v3].point * planet.scale;
var biomeID = PlanetEx.biomeIndexOfTriangle(planet, i);
Color biomeColor = planet.biomes[oceanIndex].color;
colors[3 * index] = biomeColor;
colors[3 * index + 1] = biomeColor;
colors[3 * index + 2] = biomeColor;
index++;
}
for (int i = 0; i < size * 3; i++)
{
triangles[i] = i;
}
Mesh m = new Mesh();
m.indexFormat = UnityEngine.Rendering.IndexFormat.UInt32;
m.vertices = points;
m.colors32 = colors;
m.triangles = triangles;
m.RecalculateNormals();
m.RecalculateTangents();
m.RecalculateBounds();
sw.Stop();
UnityEngine.Debug.Log("Elapsed water renderer " + sw.Elapsed);
return(m);
}
