/// <summary>
/// Removes the meshes from the memory.
/// </summary>
private void ClearMeshes() {
if (_meshFilter != null) {
DestroyImmediate(_meshFilter.sharedMesh);
}
if (_waterMeshSimple != null) {
_waterMeshSimple.FreeMesh();
_waterMeshSimple = null;
}
if (_waterMesh != null) {
_waterMesh.FreeMesh();
_waterMesh = null;
}
}
/// <summary>
/// Called when any property that defines the water simulation, changes.
/// </summary>
private void UpdateProperties() {
// Calculating the grid parameters
_resolution = Mathf.RoundToInt(_quality * MaxResolution() / 256f);
GridMath.CalculateGrid(_resolution, Size, out _grid, out _nodeSize);
// Determining what Solver instance do we have to use
// and destroy other instances
if (Application.isPlaying) {
_waterSolver = null;
DynamicWaterSolver[] solverComponents = GetComponents<DynamicWaterSolver>();
foreach (DynamicWaterSolver solverComponent in solverComponents) {
if (_waterSolver == null) {
_waterSolver = solverComponent;
} else {
Destroy(solverComponent);
}
}
if (solverComponents.Length > 1) {
Debug.LogWarning(
"More than one DynamicWaterSolver component present. Using the first one, others are destroyed",
this);
}
// Creating the default solver, if no one is found
if (_waterSolver == null) {
_waterSolver = gameObject.AddComponent<DynamicWaterSolverSimulation>();
}
_waterSolver.Initialize(_grid);
// Recalculate the static obstruction objects
if (_useObstructions) {
RecalculateObstructions();
}
}
// Clearing the old meshes, if any
ClearMeshes();
// Creating the simple mesh substitute for when Solver is not in dirty state
const int simpleMeshResolution = 6;
_waterMeshSimple = new DynamicWaterMesh(simpleMeshResolution, Size, this);
// Creating the actual water mesh
_waterMesh = new DynamicWaterMesh(_resolution, Size, this, _waterSolver != null ? _waterSolver.FieldObstruction : null);
// Assigning the mesh
_meshFilter = gameObject.GetComponent<MeshFilter>();
_meshFilter.mesh = _waterMesh.Mesh;
// Precache for faster conversion
_nodeSizeNormalized.x = 1f / Size.x * _grid.x;
_nodeSizeNormalized.y = 1f / Size.y * _grid.y;
// Update the collider bound
UpdateCollider();
// Create the child gameObject for interacting with water plane
if (Application.isPlaying && UsePlaneCollider) {
CreatePlaneCollider();
}
_prevIsDirty = true;
}