1 files changed, 164 insertions, 0 deletions
diff --git a/headtrack_stereo_demo/src/scenerenderer.cpp b/headtrack_stereo_demo/src/scenerenderer.cpp
new file mode 100644
index 0000000..15c0a73
--- /dev/null
+++ b/headtrack_stereo_demo/src/scenerenderer.cpp
@@ -0,0 +1,164 @@
+#include <GL\glut.h>
+#include "typedefs.h"
+
+extern GameState_t g_GameState;
+
+void DrawRasterBox()
+{
+  double l_dHalfHeight = 0.5 * g_GameState.m_FrustumParms.m_dScreenHeightWorld,
+         l_dHalfWidth = l_dHalfHeight * g_GameState.m_FrustumParms.m_dScreenAspect,
+         l_dDH = g_GameState.m_FrustumParms.m_dScreenHeightWorld/20.0,
+         l_dDW = l_dDH * g_GameState.m_FrustumParms.m_dScreenAspect,
+         l_dBoxDepth = g_GameState.m_FrustumParms.m_dScreenHeightWorld,
+         l_dVariable;
+  
+  for (int i = 0; i <= 20; i++)
+  {
+    l_dVariable = -l_dHalfHeight + (double)i * l_dDH;
+    //draw U on xz
+    glBegin(GL_LINE_STRIP);
+    glColor3d(0.0, 0.0, 1.0);
+    glVertex3d(-l_dHalfWidth, l_dVariable, 0.0);
+    glVertex3d(-l_dHalfWidth, l_dVariable, -l_dBoxDepth);
+    glVertex3d(l_dHalfWidth, l_dVariable, -l_dBoxDepth);
+    glVertex3d(l_dHalfWidth, l_dVariable, 0.0);
+    glEnd();
+
+    //draw U on yz
+    l_dVariable = -l_dHalfWidth + (double)i * l_dDW;
+    glBegin(GL_LINE_STRIP);
+    glVertex3d(l_dVariable, -l_dHalfHeight, 0.0);
+    glVertex3d(l_dVariable, -l_dHalfHeight, -l_dBoxDepth);
+    glVertex3d(l_dVariable, l_dHalfHeight, -l_dBoxDepth);
+    glVertex3d(l_dVariable, l_dHalfHeight, 0.0);
+    glEnd();
+
+    //draw square on xy
+    l_dVariable = (double)i * -l_dDH;
+    glBegin(GL_LINE_LOOP);
+    glVertex3d(-l_dHalfWidth, -l_dHalfHeight, l_dVariable);
+    glVertex3d(l_dHalfWidth, -l_dHalfHeight, l_dVariable);
+    glVertex3d(l_dHalfWidth, l_dHalfHeight, l_dVariable);
+    glVertex3d(-l_dHalfWidth, l_dHalfHeight, l_dVariable);
+    glEnd();
+  }
+}
+
+//void RenderTimers()
+//{
+//  int l_iWidth = glutGet(GLUT_WINDOW_WIDTH),
+//      l_iHeight = glutGet(GLUT_WINDOW_HEIGHT);
+//
+//  //set up a temporary orthographic projection
+//  //save the current projection matrix
+//  glMatrixMode(GL_PROJECTION);
+//  glPushMatrix();
+//  glLoadIdentity();
+//  //set up an orthographic projection matrix
+//  glOrtho(0.0, (GLdouble)l_iWidth, 0.0, (GLdouble)l_iHeight, -1.0, 1.0);
+//  glScaled(1.0, -1.0, 1.0); //invert y-axis
+//  glTranslated(0.0, (GLdouble)-l_iHeight, 0.0); //translate the origin to the upper left corner of the screen
+//
+//  glMatrixMode(GL_MODELVIEW);
+//  glLoadIdentity();
+//
+//  //save the current opengl lighting and depth buffering attributes
+//  glPushAttrib(GL_LIGHTING_BIT | GL_DEPTH_BUFFER_BIT);
+//  glDisable(GL_LIGHTING); //disable lighting
+//  glDisable(GL_DEPTH_TEST); //disable depth testing
+//
+//  //draw a background rectangle
+//  glBegin(GL_POLYGON);
+//    glColor3d(0.5, 0.5, 0.5);
+//    glVertex2i(0, 0);
+//    glVertex2i(0, 50);
+//    glVertex2i(250, 50);
+//    glVertex2i(250, 0);
+//  glEnd();
+//
+//  //draw the frame timer
+//  char l_pFpsString[256];
+//
+//  sprintf_s(l_pFpsString, 256, "FPS  : %03.1f", g_pFrameTimer->getTicksPerSecond());
+//  size_t l_sStrLen = strlen(l_pFpsString);
+//  glColor3d(0.0, 0.0, 0.0);
+//  glRasterPos2i(5, 13);
+//  for (size_t i=0; i<l_sStrLen; i++)
+//    glutBitmapCharacter(GLUT_BITMAP_8_BY_13, l_pFpsString[i]);
+//
+//  sprintf_s(l_pFpsString, 256, "(Avg: %03.1f)", g_pFrameTimer->getAvgTicksPerSecond());
+//  l_sStrLen = strlen(l_pFpsString);
+//  //glColor3d(0.0, 0.0, 1.0);
+//  glRasterPos2i(125, 13);
+//  for (size_t i=0; i<l_sStrLen; i++)
+//    glutBitmapCharacter(GLUT_BITMAP_8_BY_13, l_pFpsString[i]);
+//
+//  //draw the poll timer
+//  sprintf_s(l_pFpsString, 256, "POLLS: %03.1f", g_pPollTimer->getTicksPerSecond());
+//  l_sStrLen = strlen(l_pFpsString);
+//  //glColor3d(0.0, 0.0, 1.0);
+//  glRasterPos2i(5, 39);
+//  for (size_t i=0; i<l_sStrLen; i++)
+//    glutBitmapCharacter(GLUT_BITMAP_8_BY_13, l_pFpsString[i]);
+//
+//  sprintf_s(l_pFpsString, 256, "(Avg: %03.1f)", g_pPollTimer->getAvgTicksPerSecond());
+//  l_sStrLen = strlen(l_pFpsString);
+//  //glColor3d(0.0, 0.0, 1.0);
+//  glRasterPos2i(125, 39);
+//  for (size_t i=0; i<l_sStrLen; i++)
+//    glutBitmapCharacter(GLUT_BITMAP_8_BY_13, l_pFpsString[i]);
+//
+//  glPopAttrib(); //restore attributes
+//
+//  glMatrixMode(GL_PROJECTION);
+//  glPopMatrix(); //restore the previous projection matrix
+//
+//  glMatrixMode(GL_MODELVIEW);
+//  glLoadIdentity();
+//}
+
+void RenderScene(void)
+{
+  //set perspective correction according to the head position
+  glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+  DrawRasterBox();
+
+  glPushMatrix();
+    glColor3d(1.0, 0.0, 0.0);
+    glTranslated(-5.0, 5.0, -15.0);
+    glutSolidCube(5.0);
+    glColor3d(0.0, 1.0, 0.0);
+    glTranslated(10.0, 0.0, 0.0);
+    glutSolidCube(5.0);
+    glColor3d(0.0, 0.0, 1.0);
+    glTranslated(0.0, -10.0, 0.0);
+    glutSolidCube(5.0);
+    glColor3d(1.0, 1.0, 0.0);
+    glTranslated(-10.0, 0.0, 0.0);
+    glutSolidCube(5.0);
+  glPopMatrix();
+
+  glPushMatrix();
+    glColor3d(1.0, 1.0, 0.0);
+    glTranslated(-5.0, 5.0, -5.0);
+    glutSolidCube(5.0);
+    glColor3d(0.0, 0.0, 1.0);
+    glTranslated(10.0, 0.0, 0.0);
+    glutSolidCube(5.0);
+    glColor3d(0.0, 1.0, 0.0);
+    glTranslated(0.0, -10.0, 0.0);
+    glutSolidCube(5.0);
+    glColor3d(1.0, 0.0, 0.0);
+    glTranslated(-10.0, 0.0, 0.0);
+    glutSolidCube(5.0);
+  glPopMatrix();
+  
+  glColor3d(1.0, 0.0, 1.0);
+  glPushMatrix();
+  glTranslated(0.0, 0.0, 5.0);
+  //glScaled(1.0, 1.0, 10.0);
+  glutSolidSphere(2.0, 8, 16);
+  glPopMatrix();
+ 
+}
+\ No newline at end of file