public GeoMeshHitbox(float maxX, float maxY, float maxZ, float minX, float minY, float minZ, List <Vector3> uniqueNormals = null, List <Vector3> uniqueVertices = null, List <GeoMeshFace> uniqueFaces = null)
{
IsExtended = uniqueNormals != null && uniqueVertices != null && uniqueFaces != null;
this.maxX = maxX;
this.maxY = maxY;
this.maxZ = maxZ;
this.minX = minX;
this.minY = minY;
this.minZ = minZ;
Center.X = minX + ((maxX - minX) / 2f);
Center.Y = minY + ((maxY - minY) / 2f);
Center.Z = minZ + ((maxZ - minZ) / 2f);
width = maxX - minX;
height = maxY - minY;
depth = maxZ - minZ;
if (IsExtended)
{
Vertices = uniqueVertices.ToArray();
Normals = uniqueNormals.ToArray();
Faces = new GeoMeshFace[uniqueFaces.Count];
for (int i = 0; i < Faces.Length; i++)
{
Faces[i] = uniqueFaces[i];
}
}
else
{
Vertices[0] = new Vector3(minX, minY, maxZ); // frontleftdown
Vertices[1] = new Vector3(maxX, minY, maxZ); // frontrightdown
Vertices[2] = new Vector3(maxX, minY, minZ); // backrightdown
Vertices[3] = new Vector3(minX, minY, minZ); // backleftdown
Vertices[4] = new Vector3(minX, maxY, maxZ); // frontleftup
Vertices[5] = new Vector3(maxX, maxY, maxZ); // frontrightup
Vertices[6] = new Vector3(maxX, maxY, minZ); // backrightup
Vertices[7] = new Vector3(minX, maxY, minZ); // backleftup
Normals[0] = new Vector3(1, 0, 0);
Normals[1] = new Vector3(0, 1, 0);
Normals[2] = new Vector3(0, 0, 1);
// Create faces of hitbox for sutherland-hodgman clipping algorithm:
Faces = new GeoMeshFace[6];
Faces[0] = new GeoMeshFace(2, false, 0, 1, 5, 4); // front
Faces[1] = new GeoMeshFace(2, true, 2, 3, 7, 6); // back
Faces[2] = new GeoMeshFace(0, true, 3, 0, 4, 7); // left
Faces[3] = new GeoMeshFace(0, false, 1, 2, 6, 5); // right
Faces[4] = new GeoMeshFace(1, false, 4, 5, 6, 7); // top
Faces[5] = new GeoMeshFace(1, true, 0, 1, 2, 3); // bottom
}
}
public GeoMeshHitbox(float maxX, float maxY, float maxZ, float minX, float minY, float minZ, Mesh meshData = null)
{
IsExtended = meshData != null;
this.maxX = maxX;
this.maxY = maxY;
this.maxZ = maxZ;
this.minX = minX;
this.minY = minY;
this.minZ = minZ;
Center.X = minX + ((maxX - minX) / 2f);
Center.Y = minY + ((maxY - minY) / 2f);
Center.Z = minZ + ((maxZ - minZ) / 2f);
width = maxX - minX;
height = maxY - minY;
depth = maxZ - minZ;
if (IsExtended)
{
List <Vector3> tmpVertices = new List <Vector3>();
List <Vector3> tmpNormals = new List <Vector3>();
for (int i = 0; i < meshData.VertexCount; i++)
{
Vector3 tmpVertex = new Vector3(meshData.Vertices[i].X, meshData.Vertices[i].Y, meshData.Vertices[i].Z);
if (!tmpVertices.Contains(tmpVertex))
{
tmpVertices.Add(tmpVertex);
}
}
Vertices = new Vector3[tmpVertices.Count];
// Analyse normals and skip those who are identical or negated:
for (int i = 0; i < meshData.Normals.Count; i++)
{
Vector3 normalToBeAdded = new Vector3(meshData.Normals[i].X, meshData.Normals[i].Y, meshData.Normals[i].Z);
int identicalVectorIndex = -1;
for (int j = 0; j < tmpNormals.Count; j++)
{
if ((tmpNormals[j].X == normalToBeAdded.X && tmpNormals[j].Y == normalToBeAdded.Y && tmpNormals[j].Z == normalToBeAdded.Z) ||
(tmpNormals[j].X == -normalToBeAdded.X && tmpNormals[j].Y == -normalToBeAdded.Y && tmpNormals[j].Z == -normalToBeAdded.Z))
{
identicalVectorIndex = j;
break;
}
}
if (identicalVectorIndex < 0)
{
tmpNormals.Add(normalToBeAdded);
}
}
Normals = tmpNormals.ToArray();
}
else
{
Faces = new GeoMeshFace[6];
Vertices[0] = new Vector3(minX, minY, maxZ); // frontleftdown
Vertices[1] = new Vector3(maxX, minY, maxZ); // frontrightdown
Vertices[2] = new Vector3(maxX, minY, minZ); // backrightdown
Vertices[3] = new Vector3(minX, minY, minZ); // backleftdown
Vertices[4] = new Vector3(minX, maxY, maxZ); // frontleftup
Vertices[5] = new Vector3(maxX, maxY, maxZ); // frontrightup
Vertices[6] = new Vector3(maxX, maxY, minZ); // backrightup
Vertices[7] = new Vector3(minX, maxY, minZ); // backleftup
Normals[0] = new Vector3(1, 0, 0);
Normals[1] = new Vector3(0, 1, 0);
Normals[2] = new Vector3(0, 0, 1);
// Create faces of hitbox for sutherland-hodgman clipping algorithm:
Faces[0] = new GeoMeshFace(2, false, 0, 1, 5, 4); // front
Faces[1] = new GeoMeshFace(2, true, 2, 3, 7, 6); // back
Faces[2] = new GeoMeshFace(0, true, 3, 0, 4, 7); // left
Faces[3] = new GeoMeshFace(0, false, 1, 2, 6, 5); // right
Faces[4] = new GeoMeshFace(1, false, 4, 5, 6, 7); // top
Faces[5] = new GeoMeshFace(1, true, 0, 1, 2, 3); // bottom
}
}
