public void divideFromCenter(Vector3 center)
{
QuadTree.RecursiveTree root = new QuadTree.RecursiveTree(true);
root = this.mainChunk.getDividedChunksFromCenter(center, ref root);
// Add to thread?
this.mainChunk.killUnreferencedChunks(root);
}
public void killUnreferencedChunks(RecursiveTree parent)
{
if (parent.hasChildren)
{
for (int i = 0; i < this.cells.Length; i++)
{
this.cells[i].killUnreferencedChunks(parent.childrens[i]);
}
}
else if (this.subdivided && !parent.hasChildren)
{
for (int i = 0; i < this.cells.Length; i++)
{
this.cells[i].killChildren();
}
this.subdivided = false;
this.gameObject.GetComponent <MeshRenderer>().enabled = true;
this.gameObject.GetComponent <BoxCollider>().enabled = true;
}
}
/* public void quadDivide(float playerDistance) {
* int[] depthsTable = new int[] { 10, 100, 1000, 10000, 100000, 1000000 };
* int computedTargetDepth = 15; // max value
*
* for (int i = 0; i < depthsTable.Length; i++) {
* if (playerDistance < depthsTable[i]) {
* break;
* }
* computedTargetDepth -= 1;
* }
*
* if (this.depth < computedTargetDepth) {
* this.subdivide();
*
* for (int i = 0; i < this.cells.Length; i++) {
* if (this.cells[i] != null) {
* this.cells[i].quadDivide(playerDistance);
* }
* }
* }
* else if (this.depth > computedTargetDepth) {
* this.killChildren();
* }
* } */
public RecursiveTree getDividedChunksFromCenter(Vector3 playerCenterPosition, ref RecursiveTree parent)
{
float[] threshold = this.handler.planet.threshold;
float globalS = handler.getScale();
Vector3 trans = handler.getTranslation();
Vector3 off = new Vector3(globalS / 2, -globalS / 2, globalS / 2);
float x = this.bounds.pos.x + this.bounds.dim / 2;
float y = this.bounds.pos.y + this.bounds.dim / 2;
Vector3 pos = this.handler.localRotation * ((new Vector3(x, 0, y) - off).normalized * globalS) + trans;
// Test distance btw this chunk and projected player point
float distancePlayerCenter = Vector3.Distance(playerCenterPosition, pos);
if (depth < threshold.Length && distancePlayerCenter < threshold[depth] * this.handler.planet.scale) // If < threshold
// Divide
{
parent.divide();
this.subdivide();
for (int i = 0; i < this.cells.Length; i++)
{
parent.childrens[i] = this.cells[i].getDividedChunksFromCenter(playerCenterPosition, ref parent.childrens[i]);
}
}
return(parent);
}
