AnotherFoxGuy/polyvox
1
0
Fork 0
Code Issues Pull Requests Activity

Work on new OpenGL example.

Browse Source
This commit is contained in:
David Williams 2009-03-13 22:28:35 +00:00
parent bdea87d6d6
commit b26e306bb9
1 changed files with 11 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
examples/OpenGL/main.cpp
View File

@ -35,7 +35,6 @@ BlockVolume<uint8> g_volData(logBase2(g_uVolumeSideLength));
//Rather than storing one big mesh, the volume is broken into regions and a mesh is stored for each region //Rather than storing one big mesh, the volume is broken into regions and a mesh is stored for each region
IndexedSurfacePatch* g_ispRegionSurfaces[g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions]; IndexedSurfacePatch* g_ispRegionSurfaces[g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions];
GLuint buffers[g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions]; GLuint buffers[g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions];
GLfloat* data[g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions][g_uVolumeSideLengthInRegions];
void createSphereInVolume(float fRadius, uint8 uValue) void createSphereInVolume(float fRadius, uint8 uValue)
{ {
@ -92,7 +91,6 @@ void display ( void ) // Create The Display Function
{ {
for(uint16 uRegionX = 0; uRegionX < g_uVolumeSideLengthInRegions; ++uRegionX) for(uint16 uRegionX = 0; uRegionX < g_uVolumeSideLengthInRegions; ++uRegionX)
{ {
GLfloat* current = data[uRegionX][uRegionY][uRegionZ];
const vector<uint32>& vecIndices = g_ispRegionSurfaces[uRegionX][uRegionY][uRegionZ]->getIndices(); const vector<uint32>& vecIndices = g_ispRegionSurfaces[uRegionX][uRegionY][uRegionZ]->getIndices();
@ -219,8 +217,10 @@ void main ( int argc, char** argv ) // Create Main Function For Bringing It Al
const vector<SurfaceVertex>& vecVertices = g_ispRegionSurfaces[uRegionX][uRegionY][uRegionZ]->getVertices(); const vector<SurfaceVertex>& vecVertices = g_ispRegionSurfaces[uRegionX][uRegionY][uRegionZ]->getVertices();
const vector<uint32>& vecIndices = g_ispRegionSurfaces[uRegionX][uRegionY][uRegionZ]->getIndices(); const vector<uint32>& vecIndices = g_ispRegionSurfaces[uRegionX][uRegionY][uRegionZ]->getIndices();
data[uRegionX][uRegionY][uRegionZ] = new GLfloat[vecIndices.size() * 3]; glGenBuffers(1, &(buffers[uRegionX][uRegionY][uRegionZ]));
GLfloat* current = data[uRegionX][uRegionY][uRegionZ]; glBindBuffer(GL_ARRAY_BUFFER, buffers[uRegionX][uRegionY][uRegionZ]);
glBufferData(GL_ARRAY_BUFFER, vecIndices.size() * sizeof(GLfloat) * 3, 0, GL_STATIC_DRAW);
GLfloat* ptr = (GLfloat*)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
for(vector<uint32>::const_iterator iterIndex = vecIndices.begin(); iterIndex != vecIndices.end(); ++iterIndex) for(vector<uint32>::const_iterator iterIndex = vecIndices.begin(); iterIndex != vecIndices.end(); ++iterIndex)
{ {
@ -229,20 +229,15 @@ void main ( int argc, char** argv ) // Create Main Function For Bringing It Al
const Vector3DFloat v3dRegionOffset(uRegionX * g_uRegionSideLength, uRegionY * g_uRegionSideLength, uRegionZ * g_uRegionSideLength); const Vector3DFloat v3dRegionOffset(uRegionX * g_uRegionSideLength, uRegionY * g_uRegionSideLength, uRegionZ * g_uRegionSideLength);
const Vector3DFloat v3dFinalVertexPos = v3dVertexPos + v3dRegionOffset; const Vector3DFloat v3dFinalVertexPos = v3dVertexPos + v3dRegionOffset;
//glVertex3f(v3dFinalVertexPos.getX(), v3dFinalVertexPos.getY(), v3dFinalVertexPos.getZ()); //glVertex3f(v3dFinalVertexPos.getX(), v3dFinalVertexPos.getY(), v3dFinalVertexPos.getZ());
*current = v3dFinalVertexPos.getX(); *ptr = v3dFinalVertexPos.getX();
current++; ptr++;
*current = v3dFinalVertexPos.getY(); *ptr = v3dFinalVertexPos.getY();
current++; ptr++;
*current = v3dFinalVertexPos.getZ(); *ptr = v3dFinalVertexPos.getZ();
current++; ptr++;
} }
glGenBuffers(1, &(buffers[uRegionX][uRegionY][uRegionZ])); glUnmapBuffer(GL_ARRAY_BUFFER);
glBindBuffer(GL_ARRAY_BUFFER, buffers[uRegionX][uRegionY][uRegionZ]);
glBufferData(GL_ARRAY_BUFFER, vecIndices.size() * sizeof(GLfloat) * 3, data[uRegionX][uRegionY][uRegionZ], GL_STATIC_DRAW);
delete data[uRegionX][uRegionY][uRegionZ];
} }
} }