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InfoPanel0.cpp
Package: 3dexplorerTest.rar　[view]
Upload User: hkb425
Upload Date: 2007-06-16
Package Size: 34191k
Code Size: 2k
Category:

Game Engine

Development Platform:

Visual C++

InfoPanel0.cpp：Code Content
  1. // InfoPanel.cpp: implementation of the CInfoPanel class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include "InfoPanel.h"
  7. #include "GameSetting.h"
  8. #include "heightmap.h"
  9. #include "imgtext.h"
  10. //////////////////////////////////////////////////////////////////////
  11. // Construction/Destruction
  12. //////////////////////////////////////////////////////////////////////
  14. CInfoPanel::CInfoPanel()
  15. {
  16. /*
  17.     Viewport[0]=Viewport[1]=0;
  18. Viewport[2]=CGameSetting::m_iScrWidth;
  19. Viewport[3]=CGameSetting::m_iScrWidth;
  20.     focusx=Viewport[2]/2;
  21. focusy=Viewport[3]/2;*/
  22. }
  23. CInfoPanel::~CInfoPanel()
  24. {
  25. }
  26. void CInfoPanel::DrawInfoPanel()
  27. {
  29.     //////////////// calcau
  30.     GLdouble objx,objy,objz;
  31. GLfloat depth[4];
  32.     GLdouble ModelMatrix[16], ProjMatrix[16];
  33.     GLint    Viewport[4];
  35. glGetIntegerv(GL_VIEWPORT, Viewport);
  36. int focusx=Viewport[2]/2;
  37. int focusy=Viewport[3]/2;
  39. glReadPixels(focusx,focusy,1,1,GL_DEPTH_COMPONENT,GL_FLOAT,depth);
  41.     glGetDoublev(GL_MODELVIEW_MATRIX,  ModelMatrix);
  42.     glGetDoublev(GL_PROJECTION_MATRIX, ProjMatrix);
  44.     gluUnProject(focusx,focusy, depth[0], 
  45.          ModelMatrix, ProjMatrix, Viewport,
  46.  &objx, &objy, &objz);
  47.     
  48. // double dx=CHeightmap::m_pViewPos->xpos-objx;
  49. // double dy=CHeightmap::m_pViewPos->ypos-objy;
  50. // double dz=CHeightmap::m_pViewPos->zpos-objz;
  52. // double distance=sqrt( dx*dx+dy*dy+dz*dz);
  54. glLoadIdentity();
  55. /////////////////////////////
  57. ///////////////////// distance info
  58. glColor3f(1,1,1);
  59. CImgText::PrintValue(10,100,objx);
  60. CImgText::PrintValue(10,120,objy);
  61. CImgText::PrintValue(10,140,objz);
  64. CImgText::PrintValue(10,180,distance);
  67. ////////////////////// viewer pos info
  68. CImgText::PrintValue(620,10,CHeightmap::m_pViewPos->xpos);
  69. CImgText::PrintValue(620,30,CHeightmap::m_pViewPos->ypos);
  70. CImgText::PrintValue(620,50,CHeightmap::m_pViewPos->zpos);
  71. CImgText::PrintValue(620,70,*CHeightmap::m_pViewRotY);
  74. /////////////////////draw cursor
  75. glColor3f(0,1,0);
  76. glBegin(GL_LINES);
  77.         glVertex3f(0,      0.02f,-1.12f);
  78.         glVertex3f(0,     -0.02f,-1.12f);
  79.         glVertex3f(-0.02f,0,     -1.12f);
  80.         glVertex3f(0.02f, 0,     -1.12f);
  81.     glEnd();
  83. }