public static RenderGeometry CreateConeGeometry(float radius, float height, int segmentP, int segmentH, bool smoothH, bool smoothV, float cutTop = 0, float cutAngle = 0)
{
if (cutTop == 0)
{
StructureGeometry structure = new StructureGeometry();
RenderGeometry.FaceType faceType = GetFaceType(smoothH, smoothV);
SurfaceComponentGeometry coneCap = SurfaceComponentGeometries.CreateConeCapGeometry(radius, height, segmentP, segmentH, cutAngle, 1, faceType);
if (cutAngle == 0)
{
SurfaceComponentGeometry bottom = SurfaceComponentGeometries.CreateRegularPolygonGeometry(radius, segmentP, 2);
bottom.ApplyRotation(Quaternion.AngleAxis(180, Vector3.right));
Vertex corner = structure.CreateVertex();
structure.CreateFace(coneCap, false, corner);
structure.CreateFace(bottom, false, corner);
}
else
{
SurfaceComponentGeometry bottom = SurfaceComponentGeometries.CreateFanCapGeometry(radius, segmentP, 1, cutAngle, 2);
SurfaceComponentGeometry wall1 = SurfaceComponentGeometries.CreateTriangleGeometry(1, 1, 0, segmentH, true, 3);
SurfaceComponentGeometry wall2 = SurfaceComponentGeometries.CreateTriangleGeometry(1, 1, 0, segmentH, true, 4);
Vertex cornerUp = structure.CreateVertex(new Vector3(0, height, 0));
Vertex cornerDownC = structure.CreateVertex(Vector3.zero);
Vertex cornerDown1 = structure.CreateVertex(new Vector3(radius * Mathf.Cos(cutAngle), 0, -radius * Mathf.Sin(cutAngle)));
Vertex cornerDown2 = structure.CreateVertex(new Vector3(radius, 0, 0));
structure.CreateFace(coneCap, true, cornerDown1, cornerDown2, cornerUp);
structure.CreateFace(bottom, true, cornerDown2, cornerDown1, cornerDownC);
structure.CreateFace(wall1, true, cornerDown1, cornerUp, cornerDownC);
structure.CreateFace(wall2, true, cornerDownC, cornerUp, cornerDown2);
}
return(structure.Build());
}
else
{
RenderGeometry geometry = CreateCylinderGeometry(radius, height, segmentP, segmentH, smoothH, smoothV, cutAngle);
geometry.ApplyOffset(Vector3.up * (height / 2));
float shrinkCoeff = (1 - cutTop) / height;
SpaceWarp warp = new SpaceWarp($"x*(1-y*{shrinkCoeff})", "y", $"z*(1-y*{shrinkCoeff})");
geometry.ApplySpaceWarp(warp);
return(geometry);
}
}
public static SurfaceComponentGeometry CreateXSplitSquareGeometry(
float sizeX, float sizeZ, int segmentX, int segmentZ, float spikeHeight = 0, int surfaceGroup = 0, RenderGeometry.FaceType faceType = RenderGeometry.FaceType.Polygonal)
{
var planeGeometry = SurfaceComponentGeometries.CreatePlaneGeometry(sizeX, sizeZ, segmentX, segmentZ);
List <Vertex> corners = planeGeometry.corners;
var structure = new StructureGeometry(planeGeometry);
var coneHeight = spikeHeight / (sizeZ / segmentZ) * Mathf.Sqrt(2);
structure.faces.ForEach(f => {
var component = SurfaceComponentGeometries.CreateConeCapGeometry(1, coneHeight, 4, 1, 0, surfaceGroup, faceType);
component.SplitBoundaries();
structure.SetFaceComponent(f, component, true);
});
var geometry = new SurfaceComponentGeometry(structure.Build());
geometry.DefineBoundaries(corners.Select(structure.GetBuiltVertex).ToArray());
return(geometry);
}
