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Scaled vertices to always be integers.

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This commit is contained in:
David Williams 2007-08-31 21:13:41 +00:00
parent c1286a7847
commit 107c4ae860
1 changed files with 6 additions and 28 deletions
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34
source/SurfacePatch.cpp
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@ -58,23 +58,13 @@ namespace Ogre
SurfaceTriangle triangle;
long int index;
unsigned int vertexScaledX;
unsigned int vertexScaledY;
unsigned int vertexScaledZ;
vertexScaledX = static_cast<unsigned int>((v0.position.x * 2.0) + 0.5);
vertexScaledY = static_cast<unsigned int>((v0.position.y * 2.0) + 0.5);
vertexScaledZ = static_cast<unsigned int>((v0.position.z * 2.0) + 0.5);
vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
//If a vertex has not yet been added, it's index is -1
index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
index = vertexIndices[(v0.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v0.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v0.position.z)];
if((index == -1))
{
//Add the vertex
m_vecVertexData.push_back(v0);
vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)] = m_vecVertexData.size()-1;
vertexIndices[(v0.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v0.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v0.position.z)] = m_vecVertexData.size()-1;
m_vecIndexData.push_back(m_vecVertexData.size()-1);
}
else
@ -83,19 +73,13 @@ namespace Ogre
m_vecIndexData.push_back(index);
}
vertexScaledX = static_cast<unsigned int>((v1.position.x * 2.0) + 0.5);
vertexScaledY = static_cast<unsigned int>((v1.position.y * 2.0) + 0.5);
vertexScaledZ = static_cast<unsigned int>((v1.position.z * 2.0) + 0.5);
vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
//If a vertex has not yet been added, it's index is -1
index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
index = vertexIndices[(v1.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v1.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v1.position.z)];
if((index == -1))
{
//Add the vertex
m_vecVertexData.push_back(v1);
vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)] = m_vecVertexData.size()-1;
vertexIndices[(v1.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v1.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v1.position.z)] = m_vecVertexData.size()-1;
m_vecIndexData.push_back(m_vecVertexData.size()-1);
}
else
@ -104,19 +88,13 @@ namespace Ogre
m_vecIndexData.push_back(index);
}
vertexScaledX = static_cast<unsigned int>((v2.position.x * 2.0) + 0.5);
vertexScaledY = static_cast<unsigned int>((v2.position.y * 2.0) + 0.5);
vertexScaledZ = static_cast<unsigned int>((v2.position.z * 2.0) + 0.5);
vertexScaledX %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledY %= OGRE_REGION_SIDE_LENGTH*2+1;
vertexScaledZ %= OGRE_REGION_SIDE_LENGTH*2+1;
//If a vertex has not yet been added, it's index is -1
index = vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)];
index = vertexIndices[(v2.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v2.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v2.position.z)];
if((index == -1))
{
//Add the vertex
m_vecVertexData.push_back(v2);
vertexIndices[(vertexScaledX*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledY*(OGRE_REGION_SIDE_LENGTH*2+1)) + (vertexScaledZ)] = m_vecVertexData.size()-1;
vertexIndices[(v2.position.x*(OGRE_REGION_SIDE_LENGTH*2+1)*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v2.position.y*(OGRE_REGION_SIDE_LENGTH*2+1)) + (v2.position.z)] = m_vecVertexData.size()-1;
m_vecIndexData.push_back(m_vecVertexData.size()-1);
}
else