MeshData GetMeshData()
{
var result = new MeshData
{
vertices = new List <Vector3>(),
uvs = new List <Vector2>(),
triangles = new List <int>(),
colors = new List <Color>()
};
for (var z = 0; z <= planet.shapeSettings.nbVertices; z++)
{
for (var x = 0; x <= planet.shapeSettings.nbVertices; x++)
{
float px = (float)x / planet.shapeSettings.nbVertices;
float pz = (float)z / planet.shapeSettings.nbVertices;
Vector3 vx = left * (px * size);
Vector3 vz = forward * (pz * size);
Vector3 pointOnCube = position + vx + vz;
Vector3 pointOnSphere = pointOnCube.normalized;
var uv = new Vector2(climateGenerator.Evaluate(pointOnSphere), shapeGenerator.Evaluate(pointOnSphere));
Vector3 vertex = pointOnSphere * ((1 + uv.y) * planet.shapeSettings.planetRadius);
float moisture = uv.x.Remap(climateGenerator.moistureMinMax.Min, 0.0f,
climateGenerator.moistureMinMax.Max, 1.0f);
float elevation = uv.y.Remap(shapeGenerator.elevationMinMax.Min, 0.0f,
shapeGenerator.elevationMinMax.Max, 1.0f);
result.vertices.Add(vertex);
result.uvs.Add(uv);
Color colorBiome = climateGenerator.GetColorFromBiome(elevation, moisture, Mathf.Abs(vertex.y - planet.transform.position.y) / planet.shapeSettings.planetRadius);
result.colors.Add(colorBiome);
}
}
for (int vi = 0, y = 0; y < planet.shapeSettings.nbVertices; y++, vi++)
{
for (var x = 0; x < planet.shapeSettings.nbVertices; x++, vi++)
{
result.triangles.Add(vi);
result.triangles.Add(vi + planet.shapeSettings.nbVertices + 1);
result.triangles.Add(vi + 1);
result.triangles.Add(vi + 1);
result.triangles.Add(vi + planet.shapeSettings.nbVertices + 1);
result.triangles.Add(vi + planet.shapeSettings.nbVertices + 2);
}
}
return(result);
}
