/// <summary>
/// Starts the build flow.
/// </summary>
/// <param name="mesh"></param>
/// <param name="settings"></param>
public override void Start(Mesh mesh, GeometryBuilderSettings settings)
{
_settings = (PyramidGeometryBuilderSettings)settings;
_numSides = _settings.NumSides;
CalculateBufferLength(_settings.NumSides, out _numVertices, out _numTriangles);
_numVertices += 1;
}
/// <summary>
/// Builds geometry for a circle.
/// </summary>
public override void Start(Mesh mesh, GeometryBuilderSettings settings)
{
base.Start(mesh, settings);
_settings = (CircleGeometryBuilderSettings)settings;
_numSides = Mathf.Max(3, _settings.NumSides);
CalculateBufferLength(_numSides, out _numVertices, out _numTriangles);
}
/// <summary>
/// Starts the contruction flow.
/// </summary>
/// <param name="mesh"></param>
/// <param name="settings"></param>
public override void Start(
Mesh mesh,
GeometryBuilderSettings settings)
{
_settings = (PlaneGeometryBuilderSettings)settings;
_xVerts = Mathf.Max(2, _settings.NumXVerts);
_zVerts = Mathf.Max(2, _settings.NumZVerts);
_numQuads = (_xVerts - 1) * (_zVerts - 1);
_numVertices = _xVerts * _zVerts;
_numTriangles = _numQuads * 2;
}
/// <summary>
/// On start, creates a Unity sphere and pulls off buffers.
/// </summary>
/// <param name="mesh"></param>
/// <param name="settings"></param>
public override void Start(Mesh mesh, GeometryBuilderSettings settings)
{
var sphere = GameObject.CreatePrimitive(PrimitiveType.Sphere);
sphere.hideFlags = HideFlags.HideAndDontSave;
var sphereMesh = sphere.GetComponent <MeshFilter>().sharedMesh;
_vertices = sphereMesh.vertices;
_triangles = sphereMesh.triangles;
_uvs = sphereMesh.uv;
_normals = sphereMesh.normals;
if (Application.isPlaying)
{
Object.Destroy(sphere);
}
else
{
Object.DestroyImmediate(sphere);
}
}
/// <summary>
/// Builds mesh.
/// </summary>
public override void Start(Mesh mesh, GeometryBuilderSettings settings)
{
_settings = (CylinderGeometryBuilderSettings)settings;
_numSides = Mathf.Max(3, _settings.NumSides);
// calculate buffer lengths
// start with sides
int numTotalVerts = 2 * _numSides;
int numTotalTriangles = 2 * _numSides;
// add endcaps
if (_settings.Endcaps)
{
numTotalVerts += 2 * (_numSides + 1);
numTotalTriangles += 2 * _numSides;
}
_numVertices = numTotalVerts;
_numTriangles = numTotalTriangles;
_startVertSideCircleTop = 0;
_startVertSideCircleBottom = _numSides;
_startVertCircleTop = 2 * _numSides;
_startVertCircleBottom = _startVertCircleTop + _numSides + 1;
_startTriangleCircleTop = _numSides * 6;
_startTriangleCircleBottom = _startTriangleCircleBottom + 3 * _numSides;
Debug.Log("NumSides : " + _numSides);
Debug.Log("NumVerts : " + _numVertices);
Debug.Log("NumTris : " + _numTriangles);
Debug.Log("StartVertSideCircleTop : " + _startVertSideCircleTop);
Debug.Log("StartVertSideCircleBottom : " + _startVertSideCircleBottom);
Debug.Log("StartVertCircleTop : " + _startVertCircleTop);
Debug.Log("StartVertCircleBottom : " + _startVertCircleBottom);
}
/// <summary>
/// Builds geometry.
/// </summary>
/// <param name="mesh"></param>
/// <param name="builder"></param>
/// <param name="settings"></param>
public static void Build(
Mesh mesh,
IGeometryBuilder builder,
GeometryBuilderSettings settings)
{
if (null == mesh || null == builder || null == settings)
{
return;
}
// begin flow
builder.Start(mesh, settings);
// create buffers
int[] triangles = null;
Vector3[] vertices = null;
Vector2[] uvs = null;
Vector2[] uv1s = null;
Vector2[] uv2s = null;
Vector3[] normals = null;
Color[] colors = null;
// must always have a layout
builder.Layout(out vertices, out triangles);
settings.Vertex.Transform(ref vertices, ref triangles);
// fill other buffers
if (settings.UV.Enabled)
{
builder.UV(out uvs, settings.UV);
settings.UV.Transform(ref uvs);
}
if (settings.UV1.Enabled)
{
builder.UV(out uv1s, settings.UV1);
settings.UV1.Transform(ref uv1s);
}
if (settings.UV2.Enabled)
{
builder.UV(out uv2s, settings.UV2);
settings.UV2.Transform(ref uv2s);
}
if (settings.Color.Enabled)
{
builder.Colors(out colors);
settings.Color.Transform(ref colors);
}
if (settings.Normals.Enabled)
{
builder.Normals(out normals);
settings.Normals.Transform(ref normals);
}
// set buffers, layout first
mesh.SetLayout(ref vertices, ref triangles);
mesh.uv = uvs;
mesh.uv2 = uv1s;
mesh.uv2 = uv2s;
mesh.colors = colors;
mesh.normals = normals;
}
/// <summary>
/// Starts the build flow.
/// </summary>
/// <param name="mesh"></param>
/// <param name="settings"></param>
public override void Start(Mesh mesh, GeometryBuilderSettings settings)
{
_settings = (GeosphereGeometryBuilderSettings)settings;
}
/// <summary>
/// Starts the build flow.
/// </summary>
/// <param name="mesh"></param>
/// <param name="settings"></param>
public virtual void Start(Mesh mesh, GeometryBuilderSettings settings)
{
_numVertices = _numTriangles = -1;
}
