nuclear@4: #include "terrain.h"
nuclear@4: 
nuclear@4: Terrain::Terrain()
nuclear@4: {
nuclear@4: 	root = 0;
nuclear@4: }
nuclear@4: 
nuclear@4: Terrain::~Terrain()
nuclear@4: {
nuclear@4: 	delete root;
nuclear@4: }
nuclear@4: 
nuclear@4: float Terrain::get_height(float x, float y) const
nuclear@4: {
nuclear@4: 	return root->get_height(x, y);
nuclear@4: }
nuclear@4: 
nuclear@4: 
nuclear@4: TerrainNode::TerrainNode()
nuclear@4: {
nuclear@4: 	height = 0;
nuclear@4: 	child[0] = child[1] = child[2] = child[3];
nuclear@4: }
nuclear@4: 
nuclear@4: TerrainNode::~TerrainNode()
nuclear@4: {
nuclear@4: 	for(auto c : child) {
nuclear@4: 		delete c;
nuclear@4: 	}
nuclear@4: 	delete [] height;
nuclear@4: }
nuclear@4: 
nuclear@4: TerrainNode *TerrainNode::get_child(float x, float y)
nuclear@4: {
nuclear@4: 	int xidx = x >= 0.0 ? 1 : 0;
nuclear@4: 	int yidx = y >= 0.0 ? 1 : 0;
nuclear@4: 	return child[y * 2 + x];
nuclear@4: }
nuclear@4: 
nuclear@4: const TerrainNode *TerrainNode::get_child(float x, float y) const
nuclear@4: {
nuclear@4: 	int xidx = x >= 0.0 ? 1 : 0;
nuclear@4: 	int yidx = y >= 0.0 ? 1 : 0;
nuclear@4: 	return child[y * 2 + x];
nuclear@4: }
nuclear@4: 
nuclear@4: float TerrainNode::get_height(float x, float y) const
nuclear@4: {
nuclear@4: 	TerrainNode *child = get_child(x, y);
nuclear@4: 	if(child) {
nuclear@4: 
nuclear@4: 	}
nuclear@4: }