internal void SetPerpendiculars(Perimeter perpOne, Perimeter perpTwo, float step)
{
this.perpendicularOne = perpOne;
this.perpendicularTwo = perpTwo;
this.insideCornerOne = GetPoint(perpOne.edgeMid);
this.insideCornerTwo = GetPoint(perpTwo.edgeMid);
this.outsideCornerOne = this.insideCornerOne + ((this.edgeVector + perpOne.edgeVector) * step);
this.outsideCornerTwo = this.insideCornerTwo + ((this.edgeVector + perpTwo.edgeVector) * step);
}
internal void SetPerpendiculars(Perimeter perpOne, Perimeter perpTwo, float step)
{
this.perpendicularOne = perpOne;
this.perpendicularTwo = perpTwo;
this.insideCornerOne = GetPoint(perpOne.edgeMid);
this.insideCornerTwo = GetPoint(perpTwo.edgeMid);
this.outsideCornerOne = this.insideCornerOne + ((this.edgeVector + perpOne.edgeVector) * step);
this.outsideCornerTwo = this.insideCornerTwo + ((this.edgeVector + perpTwo.edgeVector) * step);
}
private void Initialize(CellMatrix matrix, GridSection[] gridSections)
{
//Setup the basic state
_cellMatrix = matrix;
_gridSections = gridSections;
_origin = _cellMatrix.origin;
_cellSize = _cellMatrix.cellSize;
_sizeX = _cellMatrix.columns;
_sizeZ = _cellMatrix.rows;
//Perimeters
_left = new Perimeter(Vector3.left, GetPerimeterEdge(Vector3.left, false), GetPerimeterEdge(Vector3.left, true));
_right = new Perimeter(Vector3.right, GetPerimeterEdge(Vector3.right, false), GetPerimeterEdge(Vector3.right, true));
_top = new Perimeter(Vector3.forward, GetPerimeterEdge(Vector3.forward, false), GetPerimeterEdge(Vector3.forward, true));
_bottom = new Perimeter(Vector3.back, GetPerimeterEdge(Vector3.back, false), GetPerimeterEdge(Vector3.back, true));
_left.SetPerpendiculars(_top, _bottom, _cellSize);
_right.SetPerpendiculars(_bottom, _top, _cellSize);
_top.SetPerpendiculars(_right, _left, _cellSize);
_bottom.SetPerpendiculars(_left, _right, _cellSize);
}
public PerimeterCell(Perimeter p)
{
perimeter = p;
cell = null;
}
private static bool CheckEdgeZ(Vector3 from, Vector3 to, Perimeter edgeZ, Perimeter edgeMinX, Perimeter edgeMaxX, out Vector3 crossingPoint)
{
if ((from.z < edgeZ.edge && to.z < edgeZ.edge) || (from.z > edgeZ.edge && to.z > edgeZ.edge) ||
(from.x < edgeMinX.edge && to.x < edgeMinX.edge) || (from.x > edgeMaxX.edge && to.x > edgeMaxX.edge))
{
crossingPoint = Vector3.zero;
return false;
}
var heading = to - from;
var dzmin = edgeZ.edge - from.z;
crossingPoint = new Vector3
{
x = from.x + ((heading.x / heading.z) * dzmin),
z = edgeZ.edgeMid
};
return true;
}
private static bool CheckEdgeX(Vector3 from, Vector3 to, Perimeter edgeX, Perimeter edgeMinZ, Perimeter edgeMaxZ, out Vector3 crossingPoint)
{
if ((from.x < edgeX.edge && to.x < edgeX.edge) || (from.x > edgeX.edge && to.x > edgeX.edge) ||
(from.z < edgeMinZ.edge && to.z < edgeMinZ.edge) || (from.z > edgeMaxZ.edge && to.z > edgeMaxZ.edge))
{
crossingPoint = Vector3.zero;
return false;
}
var heading = to - from;
var dxmin = edgeX.edge - from.x;
crossingPoint = new Vector3
{
x = edgeX.edgeMid,
z = from.z + ((heading.z / heading.x) * dxmin)
};
return true;
}
