public void UnlinkRight()
{
if (RightGrid == null)
{
return;
}
// unlink all the nodes
for (int y = 0; y < kGridHeight; ++y)
{
SpringNode otherNode = RightGrid.GetNode(0, y);
otherNode.Left = null;
otherNode = RightGrid.GetNode(0, y - 1);
if (otherNode != null)
{
otherNode.UL = null;
}
otherNode = RightGrid.GetNode(0, y + 1);
if (otherNode != null)
{
otherNode.DL = null;
}
}
RightGrid.LeftGrid = null;
RightGrid = null;
}
public void LinkRight(SpringGrid rightGrid)
{
if (RightGrid != null)
{
UnlinkRight();
}
RightGrid = rightGrid;
RightGrid.LeftGrid = this;
for (int y = 0; y < kGridHeight; ++y)
{
// We leave the far-rightmost grid node as a mirror of the leftmost grid node in the next grid
// So link the left-side nodes from the next grid to the 2nd-from-the-right nodes in this grid
SpringNode thisNode = GetNode(kGridWidth - 2, y);
SpringNode otherNode = RightGrid.GetNode(0, y);
otherNode.Left = thisNode;
otherNode = RightGrid.GetNode(0, y - 1);
if (otherNode != null)
{
otherNode.UL = thisNode;
}
otherNode = RightGrid.GetNode(0, y + 1);
if (otherNode != null)
{
otherNode.DL = thisNode;
}
}
}
// Update is called once per frame
void Update()
{
// HACK: handle pause because we don't handle it properly
if (Time.deltaTime == 0)
{
return;
}
// TODO: We really only want to run simulation on segments near the player
for (int i = 0; i < kNumSegments; ++i)
{
Grids[i].SimulateSpringForces(Time.deltaTime);
}
// Apply any other forces here (motion from player?)
if (Player != null)
{
Vector3 playerPos = Player.transform.position;
for (int i = 0; i < kNumSegments; ++i)
{
SpringGrid grid = Grids[i];
if (grid.InBounds(playerPos, ForceDist))
{
float speed = Player.velocity.magnitude * (1.0f / 10.0f); // 10.0f = player max speed
grid.AddOutwardForce(new Vector2(playerPos.x, playerPos.y), ForceDist * speed, ForcePower * speed * Time.deltaTime);
}
}
}
for (int i = 0; i < kNumSegments; ++i)
{
Grids[i].ResetNodePositions();
}
for (int i = 0; i < kNumSegments; ++i)
{
Grids[i].UpdateSeams();
}
for (int i = 0; i < kNumSegments; ++i)
{
Grids[i].TransferToMesh();
}
}
void Awake()
{
SpringGrid prefabGrid = WavePrefab.GetComponent <SpringGrid>();
if (prefabGrid == null)
{
throw new Exception("WaveManager::Start: WavePrefab has no SpringGrid component");
}
// Get data for the grid mesh
MeshFilter filter = WavePrefab.GetComponent <MeshFilter>();
if (filter == null)
{
throw new Exception("WaveManager::Start: WavePrefab has no Mesh component");
}
MeshIndices = SpringGrid.ImportMesh(filter.sharedMesh);
// Allocate some shared temporary space
Vector3[] tempPositions = new Vector3[SpringGrid.kGridHeight * SpringGrid.kGridWidth];
Color[] tempColors = new Color[SpringGrid.kGridHeight * SpringGrid.kGridWidth];
// Spawn the grids
Grids = new SpringGrid[kNumSegments];
for (int i = 0; i < kNumSegments; ++i)
{
GameObject gridObj = GameObject.Instantiate(WavePrefab);
gridObj.transform.SetParent(transform, false);
SpringGrid grid = gridObj.GetComponent <SpringGrid>();
grid.Theta = i * SpringGrid.kThetaDelta;
grid.Initialize(MeshIndices, tempPositions, tempColors);
Grids[i] = grid;
}
// Link all the grids together
for (int i = 0; i < kNumSegments - 1; ++i)
{
Grids[i].LinkRight(Grids[i + 1]);
}
Grids[kNumSegments - 1].LinkRight(Grids[0]);
}
public override void onAddedToEntity()
{
_grid = entity.scene.findEntity("grid").getComponent <SpringGrid>();
}
public void UnlinkRight()
{
if (RightGrid == null)
return;
// unlink all the nodes
for(int y = 0; y < kGridHeight; ++y)
{
SpringNode otherNode = RightGrid.GetNode(0, y);
otherNode.Left = null;
otherNode = RightGrid.GetNode(0, y - 1);
if(otherNode != null)
otherNode.UL = null;
otherNode = RightGrid.GetNode(0, y + 1);
if(otherNode != null)
otherNode.DL = null;
}
RightGrid.LeftGrid = null;
RightGrid = null;
}
public void LinkRight(SpringGrid rightGrid)
{
if (RightGrid != null)
UnlinkRight();
RightGrid = rightGrid;
RightGrid.LeftGrid = this;
for(int y = 0; y < kGridHeight; ++y)
{
// We leave the far-rightmost grid node as a mirror of the leftmost grid node in the next grid
// So link the left-side nodes from the next grid to the 2nd-from-the-right nodes in this grid
SpringNode thisNode = GetNode(kGridWidth - 2, y);
SpringNode otherNode = RightGrid.GetNode(0, y);
otherNode.Left = thisNode;
otherNode = RightGrid.GetNode(0, y - 1);
if (otherNode != null)
otherNode.UL = thisNode;
otherNode = RightGrid.GetNode(0, y + 1);
if(otherNode != null)
otherNode.DL = thisNode;
}
}
public override void OnAddedToEntity()
{
_grid = Entity.Scene.FindEntity("grid").GetComponent <SpringGrid>();
}
