// ====================================================================================================================
// Bakes the mesh with the current contents of the data lists.
// The "retriangulate" parameter controls whether or not the triangle list is remade.
// It needs to be remade after Add(), but not after Shift(), since the data is the same size.
public void BakeMesh(WormCursor cursor, bool retriangulate)
{
if (retriangulate)
{
triangles.Clear();
int vertsPerSeg = cursor.points.Count;
for (int v = 0; v < vertsPerSeg - 1; v++)
{
for (int s = 0; s < vertices.Count - vertsPerSeg; s += vertsPerSeg)
{
triangles.Add(s + v);
triangles.Add(s + v + vertsPerSeg);
triangles.Add(s + v + 1);
triangles.Add(s + v + vertsPerSeg + 1);
triangles.Add(s + v + 1);
triangles.Add(s + v + vertsPerSeg);
}
}
}
mesh.Clear();
mesh.SetVertices(vertices);
mesh.SetUVs(0, uvs);
mesh.SetTriangles(triangles, 0);
// Unity is dumb and won't update the collision unless you do this here
meshCollider.sharedMesh = mesh;
}
// ====================================================================================================================
// "Shifts" on a new segment - making room in the vertex / uv data by removing one segment from the back.
public void ShiftSegment(WormCursor cursor)
{
int vertsPerSeg = cursor.points.Count;
vertices.RemoveRange(0, vertsPerSeg);
uvs.RemoveRange(0, vertsPerSeg);
AddSegment(cursor);
}
// ====================================================================================================================
// Adds one new segment of vertex / uv data using the given cursor.
public void AddSegment(WormCursor cursor)
{
float vCoord = cursor.distanceTraveled / textureLength;
foreach (var point in cursor.points)
{
vertices.Add(point.transform.position);
uvs.Add(new Vector2(point.uCoord, vCoord));
}
}
