public void GetDisplacement(int col, int row, out float dx, out float dy, MeshDisplacementReference reference)
{
dx = 0;
dy = 0;
if (row < _rows && col < _cols)
{
switch (reference)
{
case MeshDisplacementReference.Node:
dx = _mesh_vertices[row * _cols + col].X - col * _cell_w;
dy = _mesh_vertices[row * _cols + col].Y - row * _cell_h;
break;
case MeshDisplacementReference.TopLeft:
dx = _mesh_vertices[row * _cols + col].X;
dy = _mesh_vertices[row * _cols + col].Y;
break;
case MeshDisplacementReference.Center:
dx = _mesh_vertices[row * _cols + col].X - _cell_w * (_cols - 1) / 2;
dy = _mesh_vertices[row * _cols + col].Y - _cell_h * (_rows - 1) / 2;
break;
}
}
}
public void SetDisplacement(int col, int row, float dx, float dy, MeshDisplacementReference reference)
{
if (row < _rows && col < _cols)
{
switch (reference)
{
case MeshDisplacementReference.Node:
dx += col * _cell_w;
dy += row * _cell_h;
break;
case MeshDisplacementReference.TopLeft:
break;
case MeshDisplacementReference.Center:
dx += _cell_w * (_cols - 1) / 2;
dy += _cell_h * (_rows - 1) / 2;
break;
}
_mesh_vertices[row * _cols + col].X = dx;
_mesh_vertices[row * _cols + col].Y = dy;
}
}
