CenterOfMassGeometry GetCenterOfMassGeometry(float radius)
{
for (int n = 0; n < centerOfMassGeometryCache.Count; n++)
{
var item2 = centerOfMassGeometryCache[n];
if (Math.Abs(item2.radius - radius) < .01)
{
return(item2);
}
}
while (centerOfMassGeometryCache.Count > 15)
{
centerOfMassGeometryCache.RemoveAt(0);
}
var item = new CenterOfMassGeometry();
item.radius = radius;
var segments = 10;
SimpleMeshGenerator.GenerateSphere(radius, segments, ((segments + 1) / 2) * 2, false, out item.positions, out item.indices);
centerOfMassGeometryCache.Add(item);
return(item);
}
/////////////////////////////////////////
public override void GetProceduralGeneratedData(ref VertexElement[] vertexStructure, ref byte[] vertices, ref int[] indices, ref Component_Material material, ref Component_Mesh.StructureClass structure)
{
//!!!!!можно было бы не обновлять если такие же параметры
vertexStructure = StandardVertex.MakeStructure(StandardVertex.Components.StaticOneTexCoord, true, out int vertexSize);
unsafe
{
if (vertexSize != sizeof(StandardVertex.StaticOneTexCoord))
{
Log.Fatal("vertexSize != sizeof( StandardVertexF )");
}
}
Vector3F[] positions;
Vector3F[] normals;
Vector4F[] tangents;
Vector2F[] texCoords;
SimpleMeshGenerator.Face[] faces;
if (SphereType.Value == SphereTypeEnum.GeoSphere)
{
SimpleMeshGenerator.GenerateSphere(Radius, SegmentsHorizontal, SegmentsVertical, InsideOut, out positions, out normals, out tangents, out texCoords, out indices, out faces);
}
else
{
SimpleMeshGenerator.GenerateIcoSphere(Radius, Subdivisions.Value, InsideOut, out positions, out normals, out tangents, out texCoords, out indices, out faces);
}
if (faces != null)
{
structure = SimpleMeshGenerator.CreateMeshStructure(faces);
}
vertices = new byte[vertexSize * positions.Length];
unsafe
{
fixed(byte *pVertices = vertices)
{
StandardVertex.StaticOneTexCoord *pVertex = (StandardVertex.StaticOneTexCoord *)pVertices;
for (int n = 0; n < positions.Length; n++)
{
pVertex->Position = positions[n];
pVertex->Normal = normals[n];
pVertex->Tangent = tangents[n];
pVertex->Color = new ColorValue(1, 1, 1, 1);
pVertex->TexCoord0 = texCoords[n];
pVertex++;
}
}
}
}
void UpdateConvexSweepHull()
{
var target = ConvexSweepTarget.Value;
if (target != null)
{
var tr = Transform.Value;
var from = tr.ToMatrix4();
var to = target.Transform.Value.ToMatrix4();
var shape = Shape.Value;
var update = hullVertices == null || !hullFrom.Equals(from, .000001) || !hullTo.Equals(to, .000001) || hullShape != shape;
if (update)
{
hullFrom = from;
hullTo = to;
hullShape = shape;
if (shape == ShapeEnum.Box)
{
var boxLocalVertices = new Bounds(tr.Scale * -.5, tr.Scale * .5).ToPoints();
UpdateSweepHullGeometry(boxLocalVertices);
}
else if (shape == ShapeEnum.Sphere)
{
var radius = Math.Max(tr.Scale.X, Math.Max(tr.Scale.Y, tr.Scale.Z)) * 0.5;
//!!!!12
SimpleMeshGenerator.GenerateSphere(radius, 12, 12, false, out Vector3[] sphereLocalVertices, out _);
UpdateSweepHullGeometry(sphereLocalVertices);
}
}
}
else
{
hullVertices = null;
hullIndices = null;
hullPlanes = null;
}
}