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Work on new OpenGL example - Enabled lighting.

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This commit is contained in:
David Williams 2009-03-15 18:32:47 +00:00
parent 6dccb7b3e7
commit 8f4b18bf03
1 changed files with 31 additions and 4 deletions
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35
examples/OpenGL/main.cpp
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@ -60,7 +60,7 @@ OpenGLSurfacePatch BuildOpenGLSurfacePatch(IndexedSurfacePatch& isp)
glGenBuffers(1, &result.vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, result.vertexBuffer);
glBufferData(GL_ARRAY_BUFFER, vecVertices.size() * sizeof(GLfloat) * 6, 0, GL_STATIC_DRAW);
glBufferData(GL_ARRAY_BUFFER, vecVertices.size() * sizeof(GLfloat) * 9, 0, GL_STATIC_DRAW);
GLfloat* ptr = (GLfloat*)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
for(vector<SurfaceVertex>::const_iterator iterVertex = vecVertices.begin(); iterVertex != vecVertices.end(); ++iterVertex)
@ -77,6 +77,13 @@ OpenGLSurfacePatch BuildOpenGLSurfacePatch(IndexedSurfacePatch& isp)
*ptr = v3dFinalVertexPos.getZ();
ptr++;
*ptr = vertex.getNormal().getX();
ptr++;
*ptr = vertex.getNormal().getY();
ptr++;
*ptr = vertex.getNormal().getZ();
ptr++;
GLfloat red = 1.0f;
GLfloat green = 0.0f;
GLfloat blue = 0.0f;
@ -177,6 +184,23 @@ void init ( GLvoid ) // Create Some Everyday Functions
glDepthFunc(GL_LEQUAL); // The Type Of Depth Testing To Do
glEnable ( GL_COLOR_MATERIAL );
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
glEnable(GL_LIGHTING);
glColorMaterial(GL_FRONT_AND_BACK, GL_AMBIENT_AND_DIFFUSE);
glEnable(GL_LIGHT0);
// Create light components
/*GLfloat ambientLight[] = { 0.2f, 0.2f, 0.2f, 1.0f };
GLfloat diffuseLight[] = { 0.8f, 0.8f, 0.8, 1.0f };
GLfloat specularLight[] = { 0.5f, 0.5f, 0.5f, 1.0f };
GLfloat position[] = { -1.5f, 1.0f, -4.0f, 0.0f };
// Assign created components to GL_LIGHT0
glLightfv(GL_LIGHT0, GL_AMBIENT, ambientLight);
glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuseLight);
glLightfv(GL_LIGHT0, GL_SPECULAR, specularLight);
glLightfv(GL_LIGHT0, GL_POSITION, position);*/
}
void display ( void ) // Create The Display Function
@ -192,17 +216,20 @@ void display ( void ) // Create The Display Function
for(uint16 uRegionX = 0; uRegionX < g_uVolumeSideLengthInRegions; ++uRegionX)
{
glBindBuffer(GL_ARRAY_BUFFER, g_openGLSurfacePatches[uRegionX][uRegionY][uRegionZ].vertexBuffer);
glVertexPointer(3, GL_FLOAT, 24, 0);
glColorPointer(3, GL_FLOAT, 24, (GLvoid*)12);
glVertexPointer(3, GL_FLOAT, 36, 0);
glNormalPointer(GL_FLOAT, 36, (GLvoid*)12);
glColorPointer(3, GL_FLOAT, 36, (GLvoid*)24);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_openGLSurfacePatches[uRegionX][uRegionY][uRegionZ].indexBuffer);
glEnableClientState(GL_VERTEX_ARRAY);
glEnableClientState(GL_NORMAL_ARRAY);
glEnableClientState(GL_COLOR_ARRAY);
glDrawElements(GL_TRIANGLE_STRIP, g_openGLSurfacePatches[uRegionX][uRegionY][uRegionZ].noOfIndices, GL_UNSIGNED_INT, 0);
glDisableClientState(GL_COLOR_ARRAY);
glDisableClientState(GL_NORMAL_ARRAY);
glDisableClientState(GL_VERTEX_ARRAY);
}
}
@ -264,7 +291,6 @@ default:
void main ( int argc, char** argv ) // Create Main Function For Bringing It All Together
{
glutInit ( &argc, argv ); // Erm Just Write It =)
init ();
glutInitDisplayMode ( GLUT_RGB | GLUT_DOUBLE ); // Display Mode
glutInitWindowSize ( 500, 500 ); // If glutFullScreen wasn't called this is the window size
glutCreateWindow ( "PolyVox OpenGL Example" ); // Window Title (argv[0] for current directory as title)
@ -336,6 +362,7 @@ void main ( int argc, char** argv ) // Create Main Function For Bringing It Al
}
}
init ();
glutMainLoop ( ); // Initialize The Main Loop
}