1 files changed, 68 insertions, 0 deletions
diff --git a/LevelEdge.h b/LevelEdge.h
new file mode 100644
index 0000000..7fb4e1a
--- /dev/null
+++ b/LevelEdge.h
@@ -0,0 +1,68 @@
+#ifndef LEVELEDGE_H_
+#define LEVELEDGE_H_
+
+#include "LevelObject.h"
+#include "EdgeProvider.h"
+#include <math.h>
+
+
+class LevelEdge : public LevelObject {
+  private:
+    EdgeProvider *provider;
+    size_t id;
+    
+    static const float width = 1;
+    
+  public:
+    LevelEdge(EdgeProvider *p, size_t i, LevelObject *parent)
+    : LevelObject(parent), provider(p), id(i) {}
+    
+    virtual bool hit(const Vertex &v, float scale) const {
+      const Edge &edge = **this;
+      const Vertex &v1 = *edge.getVertex1(), &v2 = *edge.getVertex2();
+      
+      float width = this->width/scale;
+      
+      if(v.getX() < fminf(v1.getX(), v2.getX())-width)
+        return false;
+      
+      if(v.getX() > fmaxf(v1.getX(), v2.getX())+width)
+        return false;
+      
+      if(v.getY() < fminf(v1.getY(), v2.getY())-width)
+        return false;
+      
+      if(v.getY() > fmaxf(v1.getY(), v2.getY())+width)
+        return false;
+      
+      Vertex r = v2 - v1, p = v - v1;
+      r *= (r.getX()*p.getX() + r.getY()*p.getY())/v1.distanceSq(v2);
+      
+      return (r.distanceSq(p) <= width*width);
+    }
+    
+    virtual int getPriority() const {return 500;}
+    
+    virtual const char* getType() const {
+      return "LevelEdge";
+    }
+    
+    virtual void move(float x, float y) {
+      provider->moveEdge(id, x, y);
+    }
+    
+    virtual void rotate(float a) {
+      provider->rotateEdge(id, a);
+    }
+    
+    virtual Vertex getCenter() const {
+      Line l = provider->getEdge(id)->toLine();
+      
+      return (l.getVertex1()+l.getVertex2()) / 2;
+    }
+    
+    const Edge* operator->() const {return provider->getEdge(id);}
+    const Edge& operator*() const {return *provider->getEdge(id);}
+};
+
+#endif /*LEVELEDGE_H_*/