gl_aabb.h
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#ifndef STIM_GL_AABB
#define STIM_GL_AABB
#include "aabb.h"
#include "GL/gl.h"
namespace stim{
template <typename T>
class gl_aabb : public aabb<T>{
public:
//default constructor
gl_aabb() : stim::aabb<T>(){}
//constructor takes an AABB
gl_aabb(stim::aabb<T> b) : stim::aabb<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