public void LerpMapToGrid(
IPredictionProjectile predictor, float duration, float resolution,
float playerBoundingBoxWidth, bool debug)
{
var predictionCount = predictor.GetLerpLength(duration, resolution);
predictionCount = Mathf.Max(
predictionCount,
Mathf.CeilToInt(duration / TimeStep / resolution)
);
for (var i = 0; i < predictionCount; i++)
{
var time = (float)i / predictionCount * duration;
MapToGrid(predictor, time, playerBoundingBoxWidth, debug);
}
}
public void MapToGrid(IPredictionProjectile projectile, float time,
float playerBoundingBoxWidth, bool debug = false)
{
var position2d = projectile.GetPosition(time);
var position = new Vector3(position2d.x, time, position2d.y);
var gridPosition = GlobalCoordsToGrid(position2d, time);
if (debug)
{
_predictions.Add(position);
if (IsWithinBounds(gridPosition))
{
_gridPredictions.Add(gridPosition);
}
}
if (!IsWithinCheckBounds(position, projectile.BoundingBoxWidth))
{
return;
}
var projectileCellSize = projectile.BoundingBoxWidth / CellSize;
var areaCheckPadding = Mathf.CeilToInt(
projectileCellSize / 2.0f
);
// TODO: Figure out how this time padding stuff should be actually done
// instead of relying on projectile bounds. Bounds might also technically
// be a good idea, I really don't know.
//var projectileTimeSize = projectile.BoundingBoxWidth / TimeStep;
//var timeCheckPadding = Mathf.CeilToInt(
// projectileTimeSize / 2.0f
//);
var timeCheckPadding = 0;
var minX = gridPosition.X - areaCheckPadding;
var maxX = gridPosition.X + areaCheckPadding;
var minY = gridPosition.Y - areaCheckPadding;
var maxY = gridPosition.Y + areaCheckPadding;
var minTime = gridPosition.T - timeCheckPadding;
var maxTime = gridPosition.T + timeCheckPadding;
for (var x = minX; x <= maxX; x++)
{
for (var t = minTime; t <= maxTime; t++)
{
for (var y = minY; y <= maxY; y++)
{
if (!IsWithinBounds(x, t, y))
{
continue;
}
if (_grid[x, t, y])
{
continue;
}
var coords = _globalCoords[x, t, y];
var result = projectile.DoesOverlapWithCell(
position, coords, new Vector3(
CellSize3D.x + playerBoundingBoxWidth,
CellSize3D.y,
CellSize3D.z + playerBoundingBoxWidth
));
_grid[x, t, y] = result;
}
}
}
}