vrj::GlDrawRightAngleWandFunctor Class Reference

Draw a wand with a right angle. More...

#include <vrj/Draw/OGL/GlDrawWandFunctors.h>

Inheritance diagram for vrj::GlDrawRightAngleWandFunctor:

[legend]Collaboration diagram for vrj::GlDrawRightAngleWandFunctor:

[legend]List of all members.

Public Member Functions
virtual	~GlDrawRightAngleWandFunctor ()
virtual void	contextInit ()
	Called to initialize any context specific information.
virtual void	draw (vrj::User *user)
	Callback function for drawing.

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Detailed Description

Draw a wand with a right angle.

Definition at line 83 of file GlDrawWandFunctors.h.

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Constructor & Destructor Documentation

virtual vrj::GlDrawRightAngleWandFunctor::~GlDrawRightAngleWandFunctor

(

)

[inline, virtual]

Definition at line 86 of file GlDrawWandFunctors.h.

   {
      /* Do nothing. */ ;
   }

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Member Function Documentation

virtual void vrj::GlDrawRightAngleWandFunctor::contextInit

(

)

[inline, virtual]

Called to initialize any context specific information.

Implements vrj::GlDrawObjectFunctor.

Definition at line 92 of file GlDrawWandFunctors.h.

   {;}

void vrj::GlDrawRightAngleWandFunctor::draw

(

vrj::User *

user

)

[virtual]

Callback function for drawing.

Called when the object should be drawn.

Precondition:

GL context is set and ready to go.

Implements vrj::GlDrawObjectFunctor.

Definition at line 76 of file GlDrawWandFunctors.cpp.

{
   boost::ignore_unused_variable_warning(user);

   static GLfloat VertexData[] = {
      0.0140000f, -0.140000f, 0.0140000f, 0.0140000f, 0.028000f, 0.0140000f, -0.0140000f, 0.028000f, 0.0140000f,
      -0.0140000f, -0.140000f, 0.0140000f, 0.0140000f, -0.140000f, -0.0140000f,
      0.0140000f, 0.00000f, -0.0140000f, 0.0140000f, 0.028000f, 0.0140000f,
      0.0140000f, -0.140000f, 0.0140000f, -0.0140000f, -0.140000f, -0.0140000f,
      -0.0140000f, 0.00000f, -0.0140000f, 0.0140000f, 0.00000f, -0.0140000f,
      0.0140000f, -0.140000f, -0.0140000f, -0.0140000f, -0.140000f, 0.0140000f,
      -0.0140000f, 0.028000f, 0.0140000f, -0.0140000f, 0.00000f, -0.0140000f,
      -0.0140000f, -0.140000f, -0.0140000f, -0.0140000f, -0.140000f, -0.0140000f,
      0.0140000f, -0.140000f, -0.0140000f, 0.0140000f, -0.140000f, 0.0140000f,
      -0.0140000f, -0.140000f, 0.0140000f, -0.0140000f, 0.028000f, 0.0140000f,
      0.0140000f, 0.028000f, 0.0140000f, 0.028000f, 0.056000f, -0.042000f,
      -0.028000f, 0.056000f, -0.042000f, 0.028000f, 0.042000f, -0.042000f,
      -0.028000f, 0.042000f, -0.042000f, -0.028000f, 0.056000f, -0.042000f,
      0.028000f, 0.056000f, -0.042000f, 0.0140000f, 0.028000f, 0.0140000f,
      0.0140000f, 0.00000f, -0.0140000f, 0.028000f, 0.042000f, -0.042000f,
      0.0140000f, 0.028000f, 0.0140000f, 0.028000f, 0.042000f, -0.042000f,
      0.028000f, 0.056000f, -0.042000f, -0.0140000f, 0.028000f, 0.0140000f,
      -0.028000f, 0.056000f, -0.042000f, -0.028000f, 0.042000f, -0.042000f,
      -0.028000f, 0.042000f, -0.042000f, -0.0140000f, 0.00000f, -0.0140000f,
      -0.0140000f, 0.028000f, 0.0140000f, 0.028000f, 0.042000f, -0.042000f,
      0.0140000f, 0.00000f, -0.0140000f, -0.0140000f, 0.00000f, -0.0140000f,
      -0.028000f, 0.042000f, -0.042000f
   };
   static GLuint Indices[] = {
      0, 1, 2,
      0, 2, 3,
      4, 5, 6,
      4, 6, 7,
      8, 9, 10,
      8, 10, 11,
      12, 13, 14,
      12, 14, 15,
      16, 17, 18,
      16, 18, 19,
      20, 21, 22,
      20, 22, 23,
      24, 25, 26,
      24, 26, 27,
      28, 29, 30,
      31, 32, 33,
      34, 35, 36,
      37, 38, 39,
      40, 41, 42,
      40, 42, 43
   };

   static GLfloat NormData[] = {
      0.0f, -0.0f, 0.004704f,
      0.0f, 0.0f, 0.004704f,
      0.00392f, 0.0f, 0.0f,
      0.004704f, 0.0f, 0.0f,
      0.0f, 0.0f, -0.00392f,
      0.0f, 0.0f, -0.00392f,
      0.004704f, 0.0f, 0.0f,
      0.00392f, 0.0f, 0.0f,
      0.0f, -0.000784f, 0.0f,
      0.0f, -0.000784f, 0.0f,
      0.0f, 0.001568f, 0.000784f,
      3.16352e-11f, 0.003136f, 0.001568f,
      0.0f, 0.0f, -0.000784f,
      0.0f, 0.0f, -0.000784f,
      0.00196f, -0.000392f, 0.000392f,
      0.000784f, 1.58176e-11f, 0.000196f,
      0.000784f, -1.58176e-11f, 0.000196f,
      0.00196f, -0.000392f, 0.000392f,
      4.84511e-11f, -0.000784f, -0.001176f,
      0.0f, -0.001568f, -0.002352f
   };

#if 0
   unsigned num_tris(20);

   // USED to generate normals
   static bool first_time(true);

   if(first_time)
   {
      first_time = false;

      unsigned j;       // vertex offset
      std::vector<gmtl::Vec3f> norms;

      // For each triangle
      for(unsigned i=0;i<num_tris;i++)
      {
         j = 3*Indices[(i*3)+0];
         gmtl::Vec3f v1(VertexData[j], VertexData[j+1], VertexData[j+2]);
         j = 3*Indices[(i*3)+1];
         gmtl::Vec3f v2(VertexData[j], VertexData[j+1], VertexData[j+2]);
         j = 3*Indices[(i*3)+2];
         gmtl::Vec3f v3(VertexData[j], VertexData[j+1], VertexData[j+2]);
         gmtl::Vec3f normal;
         normal = gmtl::cross(normal, gmtl::Vec3f(v2-v1), gmtl::Vec3f(v3-v1));
         norms.push_back(normal);
         std::cout << i << ": " << normal << std::endl;
      }
   }

   glPushAttrib(GL_LIGHTING_BIT);
   glDisable(GL_LIGHTING);
   glColor3f(1.0,0.0f,0.0f);
   glBegin(GL_LINES);
      for(unsigned i=0;i<20;i++)
      {
         gmtl::Vec3f norm;    norm.set(&(NormData[(i*3)]));
         //norm = norms[i];
         gmtl::Vec3f v0;      v0.set( &(VertexData[3*Indices[(i*3)+0]]));
         gmtl::Vec3f v1 = v0+norm;
         glVertex3fv(v0.getData());
         glVertex3fv(v1.getData());
      }
   glEnd();
   glPopAttrib();
#endif

   glColor3f(0.00000f, 1.00000f, 0.00000f);

   glBegin(GL_TRIANGLES);
   for(unsigned i=0;i<20;i++)
   {
      glNormal3fv(&(NormData[i*3]));
      glVertex3fv(&(VertexData[3*Indices[(i*3)+0]]));
      glVertex3fv(&(VertexData[3*Indices[(i*3)+1]]));
      glVertex3fv(&(VertexData[3*Indices[(i*3)+2]]));
   }
   glEnd();
}

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The documentation for this class was generated from the following files:

• GlDrawWandFunctors.h
• GlDrawWandFunctors.cpp

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