private void Start()
{
line = this.GetComponent <LineRenderer>();
line.positionCount = (walls.transform.childCount + 1) * RECT_LINES * STRAIGHT_LINES;
wallPointsList = new List <WallPoints>();
/*
* 计算点在旋转过后的坐标
* 填充到wallPointsList当中
*/
for (int i = 0; i < walls.transform.childCount; ++i)
{
var wallPoints = new WallPoints();
var wall = walls.transform.GetChild(i);
var x = wall.localScale.x / 2;
var y = wall.localScale.y / 2;
var angle = wall.localEulerAngles.z * PI / 180.0f;
var position = wall.position;
wallPoints.Point00 = GetPointByRotation2D(-x, -y, angle, position);
wallPoints.Point01 = GetPointByRotation2D(-x, y, angle, position);
wallPoints.Point10 = GetPointByRotation2D(x, -y, angle, position);
wallPoints.Point11 = GetPointByRotation2D(x, y, angle, position);
wallPointsList.Add(wallPoints);
}
}
protected void setupWallPoints()
{
for (int i = 0; i < wallPositions.Count; i++)
{
if (wallPositions[i].Y == 0)
{
WallPoints w = new WallPoints();
if (wallRotations[i].Y == 0) // if wall is horizontal
{
float xA = (wallPositions[i].X) - wallScales[i].X;
float xB = (wallPositions[i].X) + wallScales[i].X;
float Z = wallPositions[i].Z;
;
w.startPosition = new Vector2(xA, Z);
w.endPosition = new Vector2(xB, Z);
wallPlanePositions.Add(w);
}
else // wall is along the z axis
{
float x = wallPositions[i].X;
float zA = (wallPositions[i].Z) - wallScales[i].X;
float zB = (wallPositions[i].Z) + wallScales[i].X;
w.startPosition = new Vector2(x, zA);
w.endPosition = new Vector2(x, zB);
wallPlanePositions.Add(w);
}
}
}
}
