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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2020, Michele Bosi                                             */
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#ifndef GeometricalPrimitives_INCLUDE_ONCE
#define GeometricalPrimitives_INCLUDE_ONCE

#include <vlCore/Vector4.hpp>
#include <vlGraphics/Geometry.hpp>
#include <vlCore/Colors.hpp>

namespace vl
{
  typedef enum { CC_FlatCap, CC_RoundedCap, CC_NoCap } ECapsuleCap;

  //! Creates a box
  VLGRAPHICS_EXPORT ref<Geometry> makeBox( const vec3& origin, real xside=1, real yside=1, real zside=1, bool tex_coords=true );

  //! Creates a box
  VLGRAPHICS_EXPORT ref<Geometry> makeBox( const vec3& min, const vec3& max, bool tex_coords=true );

  //! Creates a box
  VLGRAPHICS_EXPORT ref<Geometry> makeBox( const AABB& aabb, bool tex_coords=true );

  //! Creates a cone
  VLGRAPHICS_EXPORT ref<Geometry> makeCone( const vec3& origin, real diameter=1, real height=1, int phi=20, bool bottom=true );

  //! Creates a pyramid
  VLGRAPHICS_EXPORT ref<Geometry> makePyramid( const vec3& origin, real side=1, real height=1 );

  //! Creates an icosahedron
  VLGRAPHICS_EXPORT ref<Geometry> makeIcosahedron( const vec3& origin, real diameter );

  //! Creates a sphere by iteratively subdividing an icosahedron.
  VLGRAPHICS_EXPORT ref<Geometry> makeIcosphere( const vec3& pos, real diameter=1, int detail=2, bool remove_doubles = true );

  //! Creates a uv sphere
  VLGRAPHICS_EXPORT ref<Geometry> makeUVSphere( const vec3& origin, real diameter=1, int phi=20, int theta=20 );

  //! Creates a cylinder
  VLGRAPHICS_EXPORT ref<Geometry> makeCylinder( const vec3& origin, real diameter=1, real height=1, int phi=20, int theta=2, bool top=true, bool bottom=true );

  //! Creates torus. This function generates also appropriate normals.
  VLGRAPHICS_EXPORT ref<Geometry> makeTorus( const vec3& origin, real diameter=1, real thickness=0.2, int phi=10, int theta=10, float tex_coords = 0.0f );

  //! Creates a 3d capsule with rounded, flat or no caps
  VLGRAPHICS_EXPORT ref<Geometry> makeCapsule(float radius, float height, int segments, ECapsuleCap top_cap, ECapsuleCap bottom_cap, const fvec4& top_col, const fvec4& bottom_col);

  //! Creates a classic Newell's teapot
  VLGRAPHICS_EXPORT ref<Geometry> makeTeapot( const vec3& origin, real diameter=1, int detail=8);

  //! Creates a 2D grid
  VLGRAPHICS_EXPORT ref<Geometry> makeGrid( const vec3& origin, real xside, real zside, int x, int z, bool gen_texcoords = false, fvec2 uv0=fvec2(0,0), fvec2 uv1=fvec2(1,1), bool center=true);

  //! Creates a set of points
  VLGRAPHICS_EXPORT ref<Geometry> makePoints( const std::vector< vec3 >& pos, const fvec4& color = white);

  //! Creates a 2D circle
  VLGRAPHICS_EXPORT ref<Geometry> makeCircle( vec3 origin, real radius, int slices = 60 );
}

#endif