#ifndef PORTAL_H_
#define PORTAL_H_

#include "LevelObject.h"
#include "Polygon.h"
#include <math.h>


class Portal : public LevelObject {
  private:
    float width, height, thickness;
    Vertex pos;
    float orient;
    
    Polygon createPolygon() const {
      Polygon p;
      
      float s = sinf(orient);
      float c = cosf(orient);
      float x = width/2*c;
      float y = width/2*s;
      float ts = thickness/2*s;
      float tc = thickness/2*c;
      
      p.push_back(Vertex(pos.getX()-x-ts, pos.getY()-y+tc));
      p.push_back(Vertex(pos.getX()-x+ts, pos.getY()-y-tc));
      p.push_back(Vertex(pos.getX()+x+ts, pos.getY()+y-tc));
      p.push_back(Vertex(pos.getX()+x-ts, pos.getY()+y+tc));
      
      return p;
    }
    
  public:
    Portal(float width, float height, float thickness) {
      this->width = width;
      this->height = height;
      this->thickness = thickness;
      
      orient = 0;
    }
    
    float getWidth() const {return width;}
    float getHeight() const {return height;}
    float getThickness() const {return thickness;}
    
    const Vertex& getPosition() const {return pos;}
    void setPosition(Vertex v) {pos = v;}
    
    float getOrientation() const {return orient;}
    void setOrientation(float orient) {this->orient = orient;}
    
    virtual bool hit(const Vertex &v) const {return createPolygon().contains(v);}
    virtual int getPriority() const {return 1;}
    
    virtual const char* getType() const {
      return "Portal";
    }
    
    virtual void move(float x, float y) {
      pos += Vertex(x, y);
    }
    
    virtual void rotate(float a) {
      orient = fmodf(orient+a, 2*M_PI);
    }
    
    virtual Vertex getCenter() const {
      return pos;
    }
};

#endif /*PORTAL_H_*/