protected override JobHandle OnUpdate(JobHandle inputDeps)
{
var job = new WaterJob {
translationArray = GetComponentDataFromEntity <Translation>(true),
canInWaterComponentArray = GetComponentDataFromEntity <CanInWaterComponent>(true)
};
var jobHandle = job.Schedule(this, inputDeps);
return(jobHandle);
}
private void Start()
{
_waterDisplay = GetComponent <WaterDisplay>();
_colliders = FindObjectsOfType <EdgeCollider2D>();
var blobs = _waterDisplay.InitialPositions;
var waterBlobsNum = _waterDisplay.BlobsCount;
velocities = new NativeArray <float2>(waterBlobsNum, Allocator.Persistent);
positions = new NativeArray <float2>(waterBlobsNum, Allocator.Persistent);
newVelocities = new NativeArray <float2>(waterBlobsNum, Allocator.Persistent);
newPositions = new NativeArray <float2>(waterBlobsNum, Allocator.Persistent);
hasCollided = new NativeArray <uint>(waterBlobsNum, Allocator.Persistent);
cellSide = forceRadius;
var cameraWidth = Camera.main.orthographicSize * 2;
var cameraHeight = cameraWidth / Camera.main.aspect;
gridSize = new Vector2(cameraWidth, cameraHeight);
xCells = (ushort)Mathf.CeilToInt(gridSize.x / cellSide);
yCells = (ushort)Mathf.CeilToInt(gridSize.y / cellSide);
cellSpace = 10;
grid = new NativeArray <int>(xCells * yCells * cellSpace, Allocator.Persistent);
for (var i = 0; i < xCells * yCells; i++)
{
grid[i * cellSpace] = 0;
}
for (var i = 0; i < positions.Length; i++)
{
positions[i] = blobs[i];
velocities[i] = 0;
}
var collidersPointsCount = 0;
for (var c = 0; c < _colliders.Length; c++)
{
collidersPointsCount += _colliders[c].pointCount;
}
collidersPointsNum = new NativeArray <int>(_colliders.Length, Allocator.Persistent);
_oldColliderPositions = new NativeArray <float2>(_colliders.Length, Allocator.Persistent);
collidersPoints = new NativeArray <float2>(collidersPointsCount, Allocator.Persistent);
var collidersPointsAccumulated = 0;
for (var c = 0; c < _colliders.Length; c++)
{
var points = _colliders[c].pointCount;
collidersPointsNum[c] = points;
for (var i = 0; i < points; i++)
{
var collider = _colliders[c];
var point = collider.transform.TransformPoint(new Vector3(collider.points[i].x, collider.points[i].y, 0));
collidersPoints[collidersPointsAccumulated + i] = new float2(point.x, point.y);
}
collidersPointsAccumulated += points;
}
for (var key = 0; key < positions.Length; key++)
{
// Place key in the grid
var gridX = (int)math.floor((positions[key].x + gridSize.x / 2) / cellSide);
if (gridX < 0)
{
gridX = 0;
}
else if (gridX > xCells - 1)
{
gridX = xCells - 1;
}
var gridY = (int)math.floor((positions[key].y + gridSize.y / 2) / cellSide);
if (gridY < 0)
{
gridY = 0;
}
else if (gridY > yCells - 1)
{
gridY = yCells - 1;
}
var cellStart = (gridY * xCells + gridX) * cellSpace;
var stored = grid[cellStart];
if (stored < cellSpace - 1)
{
grid[cellStart + 1 + stored] = key;
grid[cellStart] = stored + 1;
}
}
_sortJob = new SortJob {
grid = grid,
xCells = xCells,
yCells = yCells,
halfXSize = gridSize.x / 2,
halfYSize = gridSize.y / 2,
cellSpace = cellSpace,
cellSide = cellSide
};
_waterJob = new WaterJob {
gravity = gravity,
forceRadius = forceRadius,
waterForce = waterForce,
waterDamping = waterDamping,
colliders = collidersPointsNum,
colliderPoints = collidersPoints,
ballSize = ballSize,
hasCollided = hasCollided,
gridSizeX = gridSize.x,
gridSizeY = gridSize.y,
grid = grid,
xCells = xCells,
yCells = yCells,
cellSpace = cellSpace,
cellSide = cellSide
};
}
