implemented shadows for non positional lights

fixed skybox
implemented translation and rotation

node.cpp

@@ -9,17 +9,19 @@
 using namespace std;
 
 namespace vb01{
-	Node::Node(Vector3 pos){
+	Node::Node(Vector3 pos, Quaternion orientation, Vector3 scale){
 		this->pos=pos;
+		this->scale=scale;
+		this->orientation=orientation;
 	}
 
 	Node::~Node(){}
 
 	void Node::update(){
-		for(Mesh *m : meshes)
-			m->update();
 		for(Light *l : lights)
 			l->update();
+		for(Mesh *m : meshes)
+			m->update();
 		for(ParticleEmitter *p : emitters)
 			p->update();
 		for(Text *t : texts)
@@ -29,13 +31,16 @@ namespace vb01{
 	}
 
 	void Node::attachChild(Node *child){
+		/*
 		Node *parent=getParent();
 		while(parent){
 			parent->getDescendants().push_back(child);
 			parent=parent->getParent();
 		}
-		children.push_back(child);
 		descendants.push_back(child);
+		*/
+		child->setParent(this);
+		children.push_back(child);
 	}
 
 	void Node::attachMesh(Mesh *mesh){
@@ -53,7 +58,8 @@ namespace vb01{
 		light->setNode(this);
 
 		Node *rootNode=Root::getSingleton()->getRootNode();
-		vector<Node*> descendants=rootNode->getDescendants();
+		vector<Node*> descendants;
+		rootNode->getDescendants(rootNode,descendants);
 		descendants.push_back(rootNode);
 		int numLights=0;
 		for(Node *n : descendants)
@@ -63,7 +69,10 @@ namespace vb01{
 			for(Mesh *m : meshes){
 				Material *mat=m->getMaterial();
 				string str=to_string(numLights>0?numLights:1);
-				if(mat) mat->getShader()->editShader(false,'=',';',str);
+				if(mat){
+					mat->getShader()->editShader(true,'=',';',str);
+					mat->getShader()->editShader(false,'=',';',str);
+				}
 			}
 		}
 	}
@@ -72,4 +81,13 @@ namespace vb01{
 		texts.push_back(text);
 		text->setNode(this);	
 	}
+
+	void Node::getDescendants(Node *node, vector<Node*> &descendants){
+		for(int i=0;i<node->getNumChildren();i++){
+			if(node->getChild(i)->getNumChildren()>0)
+				getDescendants(node->getChild(i),descendants);
+			else
+				descendants.push_back(node->getChild(i));
+		}
+	}
 }