public BoidController(MeshFilter meshFilter)
{
template = MeshDraft.Tetrahedron(0.3f);
// Avoid vertex count overflow
swarmCount = Mathf.Min(65000 / template.vertices.Count, swarmCount);
// Optimization trick: in each frame we simulate only small percent of all boids
simulationUpdate = Mathf.RoundToInt(swarmCount * simulationPercent);
int vertexCount = swarmCount * template.vertices.Count;
draft = new MeshDraft
{
name = "Boids",
vertices = new List <Vector3>(vertexCount),
triangles = new List <int>(vertexCount),
normals = new List <Vector3>(vertexCount),
uv = new List <Vector2>(vertexCount),
colors = new List <Color>(vertexCount)
};
for (var i = 0; i < swarmCount; i++)
{
boids.Add(new Boid());
draft.Add(template);
}
mesh = draft.ToMesh();
mesh.MarkDynamic();
meshFilter.mesh = mesh;
}
/// <summary>
/// Generate new colors and positions for boids
/// </summary>
public Mesh Generate(Color colorA, Color colorB)
{
template = MeshDraft.Tetrahedron(0.3f);
// Avoid vertex count overflow
swarmCount = Mathf.Min(65000 / template.vertices.Count, swarmCount);
// Optimization trick: in each frame we simulate only small percent of all boids
maxSimulationSteps = Mathf.RoundToInt(swarmCount * simulationPercent);
// int vertexCount = swarmCount*template.vertices.Count;
// Paint template in random color
template.colors.Clear();
// Assuming that we are dealing with tetrahedron, first vertex should be boid's "nose"
template.colors.Add(colorA);
for (int i = 1; i < template.vertices.Count; i++)
{
template.colors.Add(Tile.Lighten(colorB, i * 0.1f));
}
draft = new MeshDraft
{
name = "Boids",
vertices = new List <Vector3>(),
triangles = new List <int>(),
normals = new List <Vector3>(),
uv = new List <Vector2>(),
colors = new List <Color>()
};
for (var i = 0; i < swarmCount; i++)
{
// Assign random starting values for each boid
var boid = new Boid
{
position = Random.onUnitSphere * worldSphere,
rotation = Random.rotation,
velocity = Random.onUnitSphere * maxSpeed
};
boid.position.y = Mathf.Abs(boid.position.y);
boid.velocity.y = Mathf.Abs(boid.velocity.y);
boids.Add(boid);
draft.Add(template);
}
mesh = draft.ToMesh();
mesh.MarkDynamic();
return(mesh);
}
private void Generate()
{
controller = new BoidController();
GeneratePalette();
Color colorA = GetMainColorHSV().ToColor();
Color colorB = GetSecondaryColorHSV().ToColor();
config.template = MeshDraft.Tetrahedron(0.3f);
// Assuming that we are dealing with tetrahedron, first vertex should be boid's "nose"
config.template.colors.Add(colorA);
for (int i = 1; i < config.template.vertexCount; i++)
{
config.template.colors.Add(colorB);
}
meshFilter.mesh = controller.Generate(config);
}
private void Start()
{
GetComponent <MeshFilter>().mesh = MeshDraft.Tetrahedron(radius).ToMesh();
}
public static void Tetrahedron()
{
PrimitiveTemplate(tetrahedron, () => MeshDraft.Tetrahedron(1).ToMesh());
}