codebase / stimlib

  #ifndef STIM_GL_AABB
  #define STIM_GL_AABB
  

  #include <stim/visualization/aaboundingbox.h>
  #include <GL/gl.h>

  namespace stim {

  	template <typename T>
  	class gl_aaboundingbox : public aaboundingbox<T> {

  	public:

  		using stim::aaboundingbox<T>::A;
  		using stim::aaboundingbox<T>::B;

  		//default constructor
  		gl_aaboundingbox() : stim::aaboundingbox<T>() {}

  		//constructor takes an AABB
  		gl_aaboundingbox(stim::aaboundingbox<T> b) : stim::aaboundingbox<T>(b) {}

  		/// Specifies vertices of the bounding box using CW winding. Use GL_LINE_LOOP for wireframe or GL_QUADS for a solid.
  		void glWire() {

  			//front plane (in A[2])
  			glBegin(GL_LINE_LOOP);

  			glVertex3f(A[0], A[1], A[2]);
  			glVertex3f(A[0], B[1], A[2]);
  			glVertex3f(B[0], B[1], A[2]);
  			glVertex3f(B[0], A[1], A[2]);

  			glEnd();

  			//back plane (in B[2])
  			glBegin(GL_LINE_LOOP);

  			glVertex3f(B[0], B[1], B[2]);
  			glVertex3f(A[0], B[1], B[2]);

  			glVertex3f(A[0], A[1], B[2]);

  			glVertex3f(B[0], A[1], B[2]);

  			glEnd();

  			//fill out the rest of the lines to connect the two faces
  			glBegin(GL_LINES);

  			glVertex3f(A[0], B[1], A[2]);
  			glVertex3f(A[0], B[1], B[2]);
  			glVertex3f(B[0], B[1], B[2]);
  			glVertex3f(B[0], B[1], A[2]);
  			glVertex3f(B[0], A[1], A[2]);
  			glVertex3f(B[0], A[1], B[2]);
  			glVertex3f(A[0], A[1], B[2]);
  			glVertex3f(A[0], A[1], A[2]);

  			glEnd();

  		}

  	};		//end stim::gl_aabb

  
  
  };		//end namespace stim
  

  #endif