40 lines
1.5 KiB
C++
40 lines
1.5 KiB
C++
#include "OpenGLImmediateModeSupport.h"
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#include "OpenGLSupport.h"
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#include "IndexedSurfacePatch.h"
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using namespace PolyVox;
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using namespace std;
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void renderRegionImmediateMode(PolyVox::IndexedSurfacePatch& isp, unsigned int uLodLevel)
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{
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const vector<SurfaceVertex>& vecVertices = isp.getVertices();
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const vector<PolyVox::uint32_t>& vecIndices = isp.getIndices();
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int beginIndex = isp.m_vecLodRecords[uLodLevel].beginIndex;
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int endIndex = isp.m_vecLodRecords[uLodLevel].endIndex;
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glBegin(GL_TRIANGLES);
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//for(vector<PolyVox::uint32_t>::const_iterator iterIndex = vecIndices.begin(); iterIndex != vecIndices.end(); ++iterIndex)
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for(int index = beginIndex; index < endIndex; ++index)
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{
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const SurfaceVertex& vertex = vecVertices[vecIndices[index]];
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const Vector3DFloat& v3dVertexPos = vertex.getPosition();
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//const Vector3DFloat v3dRegionOffset(uRegionX * g_uRegionSideLength, uRegionY * g_uRegionSideLength, uRegionZ * g_uRegionSideLength);
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const Vector3DFloat v3dFinalVertexPos = v3dVertexPos + static_cast<Vector3DFloat>(isp.m_Region.getLowerCorner());
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PolyVox::uint8_t material = vertex.getMaterial() + 0.5;
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OpenGLColour colour = convertMaterialIDToColour(material);
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glColor3f(colour.red, colour.green, colour.blue);
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glNormal3f(vertex.getNormal().getX(), vertex.getNormal().getY(), vertex.getNormal().getZ());
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glVertex3f(v3dFinalVertexPos.getX(), v3dFinalVertexPos.getY(), v3dFinalVertexPos.getZ());
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}
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glEnd();
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} |