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fix draw_Sphere

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This commit is contained in:
georges 2001-02-18 04:15:36 +00:00
parent 8d4e5940d5
commit a6f1886078
1 changed files with 24 additions and 12 deletions
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36
panda/src/dxgsg/dxGraphicsStateGuardian.cxx
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@ -2632,7 +2632,7 @@ GenerateSphere(void *pVertexSpace,DWORD dwVertSpaceByteSize,
dwNumTriangles = (wNumRings-1) * wNumSections * 2;
} else {
dwNumVertices = *pNumVertices = wNumRings * wNumSections + 2;
dwNumTriangles = (wNumRings+1) * wNumSections * 2;
dwNumTriangles = wNumRings*wNumSections*2;
}
dwNumIndices = *pNumIndices = dwNumTriangles*3;
@ -2660,9 +2660,16 @@ GenerateSphere(void *pVertexSpace,DWORD dwVertSpaceByteSize,
if(fvfFlags & D3DFVF_TEXCOUNT_MASK) \
add_to_FVFBuf((void *)texCoords, sizeof(TexCoordf));
#ifdef DBG_GENSPHERE
int nvs_written=0;
memset(pVertexSpace,0xFF,dwNumVertices*dwVertSize);
#endif
if(! DOTEXTURING) {
ADD_GENSPHERE_VERTEX_TO_BUFFER(vTopPoint);
#ifdef DBG_GENSPHERE
nvs_written++;
#endif
}
// Generate vertex points for rings
@ -2682,11 +2689,6 @@ GenerateSphere(void *pVertexSpace,DWORD dwVertSpaceByteSize,
}
float phi,dphi = (float)(2*M_PI / (wNumSections-1)); //Angle between each section
#ifdef DBG_GENSPHERE
int nvs_written=0;
memset(pVertexSpace,0xFF,dwNumVertices*dwVertSize);
#endif
for(i = 0; i < wNumRings; i++ ) {
float costheta,sintheta,cosphi,sinphi;
phi = 0.0;
@ -2732,16 +2734,20 @@ GenerateSphere(void *pVertexSpace,DWORD dwVertSpaceByteSize,
theta += dtheta;
}
#ifdef DBG_GENSPHERE
assert(nvs_written == dwNumVertices);
#endif
if(! DOTEXTURING) {
// Generate bottom vertex
vNormal = D3DVECTOR( 0.0f, -1.0f, 0.0f );
ADD_GENSPHERE_VERTEX_TO_BUFFER(vBotPoint);
#ifdef DBG_GENSPHERE
nvs_written++;
#endif
}
#ifdef DBG_GENSPHERE
assert(nvs_written == dwNumVertices);
#endif
#ifdef DBG_GENSPHERE
memset(pwIndices,0xFF,dwNumIndices*sizeof(WORD));
#endif
@ -2814,8 +2820,14 @@ GenerateSphere(void *pVertexSpace,DWORD dwVertSpaceByteSize,
}
#ifdef DBG_GENSPHERE
assert(CurFinalTriIndex == dwNumTriangles);
assert(base_index == dwNumIndices);
if(DOTEXTURING) {
assert(CurFinalTriIndex == dwNumTriangles);
assert(base_index == dwNumIndices);
} else {
assert(CurFinalTriIndex == dwNumTriangles-wNumSections);
assert(base_index == dwNumIndices-wNumSections*3);
}
for(i = 0; i < dwNumIndices; i++ )
assert(pwIndices[i] <dwNumVertices);
#endif