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3DPolygon.cpp
资源名称：Jhy3D.rar　[点击查看]
上传用户：eehhbb
上传日期：2022-08-03
资源大小：2550k
文件大小：2k
源码类别：

OpenGL

开发平台：

Visual C++

3DPolygon.cpp：源码内容
  1. // 3DPolygon.cpp: implementation of the C3DPolygon class.
  2. //
  3. //////////////////////////////////////////////////////////////////////
  5. #include "stdafx.h"
  6. #include "Jhy3D.h"
  7. #include "3DPolygon.h"
  8. #include "Vector3.h"
  9. #include "glglut.h"
  12. #ifdef _DEBUG
  13. #undef THIS_FILE
  14. static char THIS_FILE[]=__FILE__;
  15. #define new DEBUG_NEW
  16. #endif
  18. //////////////////////////////////////////////////////////////////////
  19. // Construction/Destruction
  20. //////////////////////////////////////////////////////////////////////
  22. C3DPolygon::C3DPolygon()
  23. {
  24. m_ptVertices[0].m_x = -1.0f;
  25. m_ptVertices[0].m_y = 0.0f;
  26. m_ptVertices[0].m_z = 0.0f;
  28. m_ptVertices[1].m_x = 0.0f;
  29. m_ptVertices[1].m_y = 1.0f;
  30. m_ptVertices[1].m_z = 0.0f;
  32. m_ptVertices[2].m_x = 1.0f;
  33. m_ptVertices[2].m_y = 0.0f;
  34. m_ptVertices[2].m_z = 0.0f;
  36. m_ptVertices[3].m_x = 0.0f;
  37. m_ptVertices[3].m_y = 0.3f;
  38. m_ptVertices[3].m_z = 1.0f;
  40. m_color = RGB(128,234,222);
  42. }
  44. C3DPolygon::~C3DPolygon()
  45. {
  47. }
  49. //填充3D多边形
  50. void C3DPolygon::DrawSolidPolygonwithOpenGL()
  51. {
  52. glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
  53. glDisable(GL_TEXTURE_2D);
  55. glBegin(GL_POLYGON);
  56.     glColor3f(0.8,0.8f,0.8f);
  57. glVertex3f(m_ptVertices[0].m_x,m_ptVertices[0].m_y,m_ptVertices[0].m_z);
  58.     glVertex3f(m_ptVertices[1].m_x,m_ptVertices[1].m_y,m_ptVertices[1].m_z);
  59. glVertex3f(m_ptVertices[2].m_x,m_ptVertices[2].m_y,m_ptVertices[2].m_z);
  60. glVertex3f(m_ptVertices[3].m_x,m_ptVertices[3].m_y,m_ptVertices[3].m_z);
  61. glEnd();
  62.  
  63. }
  65. //绘制线框多边形
  66. void C3DPolygon::DrawWirePolygonwithOpenGL()
  67. {
  68. glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
  69. glDisable(GL_TEXTURE_2D);
  71. glBegin(GL_POLYGON);
  72.     glColor3f(0.8,0.8f,0.8f);
  73. glVertex3f(m_ptVertices[0].m_x,m_ptVertices[0].m_y,m_ptVertices[0].m_z);
  74.     glVertex3f(m_ptVertices[1].m_x,m_ptVertices[1].m_y,m_ptVertices[1].m_z);
  75. glVertex3f(m_ptVertices[2].m_x,m_ptVertices[2].m_y,m_ptVertices[2].m_z);
  76. glVertex3f(m_ptVertices[3].m_x,m_ptVertices[3].m_y,m_ptVertices[3].m_z);
  77. glEnd();
  79. }