// Render the cube and sphere
void DrawObjects(void)
{
// Save the matrix state and do the rotations
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
// Translate the whole scene out and into view
glTranslatef(-80.0f, 0.0f, -300.0f);
// Initialize the names stack
glInitNames();
glPushName(0);
// Set material color, Yellow
// Cube
glRGB(255, 255, 0);
glLoadName(CUBE);
glPassThrough((GLfloat)CUBE);
glutSolidCube(75.0f);
// Draw Sphere
glRGB(128,0,0);
glTranslatef(130.0f, 0.0f, 0.0f);
glLoadName(SPHERE);
glPassThrough((GLfloat)SPHERE);
glutSolidSphere(50.0f, 15, 15);
// Restore the matrix state
glPopMatrix(); // Modelview matrix
}
void CGWorldTriangleFan::DumpToGL() const
{
glBegin(GL_TRIANGLE_FAN);
glRGB(GetRValue(m_crColor),GetGValue(m_crColor),GetBValue(m_crColor));
for (int i=0; i<m_iNumVertices; i++)
{
glNormal3f(m_pVertices[i].m_fNormal[0],m_pVertices[i].m_fNormal[1],m_pVertices[i].m_fNormal[2]);
glVertex3f(m_pVertices[i].m_fPos[0],m_pVertices[i].m_fPos[1],m_pVertices[i].m_fPos[2]);
}
glEnd();
}
void RenderScene(void)
{
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glRotatef(xRot, 1.0f, 0.0f, 0.0f);
glRotatef(yRot, 0.0f, 1.0f, 0.0f);
glColor3f(1.0,0.0,0.0);
kostka();
glPopMatrix();
float points[3][3] ={{-400.0f, -64.0, 200.0f},{400.0f, -64.0, 200.0f},{400.0f, -15.0, -200.0f}};
float lightPos[] = { 0.0, 150.0, 50.0, 1.0 };
MakeShadowMatrix(points, lightPos, shadowMat);
glPushAttrib(GL_LIGHTING_BIT);
glDisable(GL_LIGHTING);
glPushMatrix();
glMultMatrixf((float *)shadowMat);
glRotatef(xRot, 1.0f, 0.0f, 0.0f);
glRotatef(yRot, 0.0f, 1.0f, 0.0f);
glColor3f(0.0,0.0,0.0);
kostka2();
glPopMatrix();
glBegin(GL_POLYGON);
glRGB(0,128,0);
glVertex3f(-400.0f, -65.0, 200.0f);
glVertex3f(400.0f, -65.0, 200.0f);
glRGB(0,255,0);
glVertex3f(400.0f, -15.0, -200.0f);
glVertex3f(-400.0f, -15.0, -200.0f);
glEnd();
glPopAttrib();
glFlush ();
glutSwapBuffers();
}
void CGWorldOpenGL::CompileLists()
{
//Our compile strategy is to split the geometry into different
//pieces so that we can turn on and off sections by simply rendering
//the pieces that we want.
/*TEST GEOMETRY
glRGB(255,0,0);
glBegin(GL_LINES);
glVertex3f(0.0f,0.0f,0.0f);
glVertex3f(0.0f,100.0f,-100.0f);
glEnd();
glBegin(GL_LINES);
glVertex3f(0.0f,100.0f,-100.0f);
glVertex3f(50.0f,150.0f,-200.0f);
glEnd();
glRGB(0,0,255);
glBegin(GL_TRIANGLES);
glVertex3f(30.f,30.f,300.f);
glVertex3f(30.f,40.f,300.f);
glVertex3f(40.f,40.f,300.f);
glEnd();
glRGB(0,0,255);
glBegin(GL_TRIANGLES);
glVertex3f(60.f,60.f,-1000.f);
glVertex3f(60.f,70.f,-1000.f);
glVertex3f(70.f,70.f,-1000.f);
glEnd();
glEndList();
*/
//Start with the lines and rectangles which define the underground stuff
glNewList(MYLIST_CAVEGEOMETRY,GL_COMPILE);
int iLineCount=m_LineArray.GetSize();
for (int i=0; i<iLineCount; i++)
{
const CGWorldOpenGLLine& line=m_LineArray.GetAt(i);
if (line.crColor!=CLOSURE_RGB)
{
line.DumpToGL();
}
}
int iTriangleGroupCount=m_TriangleGroupArray.GetSize();
for (i=0; i<iTriangleGroupCount; i++)
{
CGWorldTriangleGroup const * pGroup=m_TriangleGroupArray.GetAt(i);
pGroup->DumpToGL();
}
glEndList();
glNewList(MYLIST_CLOSUREERRORS,GL_COMPILE);
for (i=0; i<iLineCount; i++)
{
const CGWorldOpenGLLine& line=m_LineArray.GetAt(i);
glEnable(GL_LINE_STIPPLE);
glLineStipple(5,0x5555); //dashed lines 5 pixels long
glRGB(255,0,0);
if (line.crColor==CLOSURE_RGB)
{
line.DumpToGL();
}
glDisable(GL_LINE_STIPPLE);
}
glEndList();
glNewList(MYLIST_WIREFRAMEMODE,GL_COMPILE);
iLineCount=m_WireframeLineArray.GetSize();
for (i=0; i<iLineCount; i++)
{
const CGWorldOpenGLLine& line=m_WireframeLineArray.GetAt(i);
line.DumpToGL();
}
glEndList();
}
// Called to draw scene
void RenderScene(void)
{
float fZ,bZ;
// Clear the window with current clearing color
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
fZ = 100.0f;
bZ = -100.0f;
// Save the matrix state and do the rotations
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glTranslatef(0.0f, 0.0f, -300.0f);
glRotatef(xRot++, 0.0f, 0.0f, 0.0f);
glRotatef(yRot++, 0.0f, 1.0f, 0.0f);
printf("abc:%f,%f\n", xRot, yRot);
// Set material color, Red
glRGB(192, 0, 0);
// Front Face ///////////////////////////////////
glBegin(GL_QUADS);
// Pointing straight out Z
glNormal3f(0.0f, 0.0f, 1.0f);
// Left Panel
glVertex3f(-50.0f, 50.0f, fZ);
glVertex3f(-50.0f, -50.0f, fZ);
glVertex3f(-35.0f, -50.0f, fZ);
glVertex3f(-35.0f,50.0f,fZ);
// Right Panel
glVertex3f(50.0f, 50.0f, fZ);
glVertex3f(35.0f, 50.0f, fZ);
glVertex3f(35.0f, -50.0f, fZ);
glVertex3f(50.0f,-50.0f,fZ);
// Top Panel
glVertex3f(-35.0f, 50.0f, fZ);
glVertex3f(-35.0f, 35.0f, fZ);
glVertex3f(35.0f, 35.0f, fZ);
glVertex3f(35.0f, 50.0f,fZ);
// Bottom Panel
glVertex3f(-35.0f, -35.0f, fZ);
glVertex3f(-35.0f, -50.0f, fZ);
glVertex3f(35.0f, -50.0f, fZ);
glVertex3f(35.0f, -35.0f,fZ);
// Top length section ////////////////////////////
// Normal points up Y axis
glNormal3f(0.0f, 1.0f, 0.0f);
glVertex3f(-50.0f, 50.0f, fZ);
glVertex3f(50.0f, 50.0f, fZ);
glVertex3f(50.0f, 50.0f, bZ);
glVertex3f(-50.0f,50.0f,bZ);
// Bottom section
glNormal3f(0.0f, -1.0f, 0.0f);
glVertex3f(-50.0f, -50.0f, fZ);
glVertex3f(-50.0f, -50.0f, bZ);
glVertex3f(50.0f, -50.0f, bZ);
glVertex3f(50.0f, -50.0f, fZ);
// Left section
glNormal3f(1.0f, 0.0f, 0.0f);
glVertex3f(50.0f, 50.0f, fZ);
glVertex3f(50.0f, -50.0f, fZ);
glVertex3f(50.0f, -50.0f, bZ);
glVertex3f(50.0f, 50.0f, bZ);
// Right Section
glNormal3f(-1.0f, 0.0f, 0.0f);
glVertex3f(-50.0f, 50.0f, fZ);
glVertex3f(-50.0f, 50.0f, bZ);
glVertex3f(-50.0f, -50.0f, bZ);
glVertex3f(-50.0f, -50.0f, fZ);
glEnd();
glFrontFace(GL_CW); // clock-wise polygons face out
// Set material color, Red
glBegin(GL_QUADS);
// Back section
// Pointing straight out Z
glNormal3f(0.0f, 0.0f, -1.0f);
// Left Panel
glVertex3f(-50.0f, 50.0f, bZ);
glVertex3f(-50.0f, -50.0f, bZ);
glVertex3f(-35.0f, -50.0f, bZ);
glVertex3f(-35.0f,50.0f,bZ);
// Right Panel
glVertex3f(50.0f, 50.0f, bZ);
glVertex3f(35.0f, 50.0f, bZ);
glVertex3f(35.0f, -50.0f, bZ);
glVertex3f(50.0f,-50.0f,bZ);
// Top Panel
glVertex3f(-35.0f, 50.0f, bZ);
glVertex3f(-35.0f, 35.0f, bZ);
glVertex3f(35.0f, 35.0f, bZ);
glVertex3f(35.0f, 50.0f,bZ);
// Bottom Panel
glVertex3f(-35.0f, -35.0f, bZ);
glVertex3f(-35.0f, -50.0f, bZ);
glVertex3f(35.0f, -50.0f, bZ);
glVertex3f(35.0f, -35.0f,bZ);
// Insides /////////////////////////////
glRGB(192, 192, 192);
// Normal points up Y axis
glNormal3f(0.0f, 1.0f, 0.0f);
glVertex3f(-35.0f, 35.0f, fZ);
glVertex3f(35.0f, 35.0f, fZ);
glVertex3f(35.0f, 35.0f, bZ);
glVertex3f(-35.0f,35.0f,bZ);
// Bottom section
glNormal3f(0.0f, 1.0f, 0.0f);
glVertex3f(-35.0f, -35.0f, fZ);
glVertex3f(-35.0f, -35.0f, bZ);
glVertex3f(35.0f, -35.0f, bZ);
glVertex3f(35.0f, -35.0f, fZ);
// Left section
glNormal3f(1.0f, 0.0f, 0.0f);
glVertex3f(-35.0f, 35.0f, fZ);
glVertex3f(-35.0f, 35.0f, bZ);
glVertex3f(-35.0f, -35.0f, bZ);
glVertex3f(-35.0f, -35.0f, fZ);
// Right Section
glNormal3f(-1.0f, 0.0f, 0.0f);
glVertex3f(35.0f, 35.0f, fZ);
glVertex3f(35.0f, -35.0f, fZ);
glVertex3f(35.0f, -35.0f, bZ);
glVertex3f(35.0f, 35.0f, bZ);
glEnd();
glFrontFace(GL_CCW); // Counter clock-wise polygons face out
// Restore the matrix state
glPopMatrix(); // Modelview matrix
// Flush drawing commands
glFlush();
}
