public QuadTree(NiTriShapeData data, BBox boundingBox)
{
this.nodes = new QuadTreeNode[4];
this.vertices = data.GetVertices();
BBox boundingBox1 = new BBox();
BBox boundingBox2 = new BBox();
BBox boundingBox3 = new BBox();
BBox boundingBox4 = new BBox();
float num1 = (float)(((double)boundingBox.px2 - (double)boundingBox.px1) / 2.0);
float num2 = (float)(((double)boundingBox.py2 - (double)boundingBox.py1) / 2.0);
boundingBox1.Set(boundingBox.px1, boundingBox.px1 + num1, boundingBox.py1, boundingBox.py1 + num2, 0.0f, 0.0f);
boundingBox2.Set(boundingBox.px1 + num1, boundingBox.px2, boundingBox.py1, boundingBox.py1 + num2, 0.0f, 0.0f);
boundingBox3.Set(boundingBox.px1, boundingBox.px1 + num1, boundingBox.py1 + num2, boundingBox.py2, 0.0f, 0.0f);
boundingBox4.Set(boundingBox.px1 + num1, boundingBox.px2, boundingBox.py1 + num2, boundingBox.py2, 0.0f, 0.0f);
this.nodes[0] = this.CreateQuadNode(data.GetTriangles(), data.GetVertices(), boundingBox1);
this.nodes[1] = this.CreateQuadNode(data.GetTriangles(), data.GetVertices(), boundingBox2);
this.nodes[2] = this.CreateQuadNode(data.GetTriangles(), data.GetVertices(), boundingBox3);
this.nodes[3] = this.CreateQuadNode(data.GetTriangles(), data.GetVertices(), boundingBox4);
}
