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Changing the way the examples handle translation and scaling.

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This commit is contained in:
David Williams 2014-05-25 21:29:44 +02:00
parent 6738c4fc9e
commit b63a09cab3
2 changed files with 5 additions and 3 deletions
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2
examples/OpenGL/main.cpp
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@ -192,7 +192,7 @@ int main(int argc, char *argv[])
auto mesh = extractMarchingCubesMesh(&volData, regToExtract);
//Pass the surface to the OpenGL window
openGLWidget.addMesh(mesh);
openGLWidget.addMesh(mesh, Vector3DInt32(x, y, z));
meshCounter++;
}

6
examples/common/OpenGLWidget.h
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@ -38,6 +38,7 @@ struct OpenGLMeshData
GLuint vertexBuffer;
GLuint vertexArrayObject;
PolyVox::Vector3DInt32 translation;
float scale;
};
class OpenGLWidget : public QGLWidget
@ -60,7 +61,7 @@ public:
// Convert a SurfaceMesh to OpenGL index/vertex buffers. Inlined because it's templatised.
template <typename MeshType>
void addMesh(const MeshType& surfaceMesh)
void addMesh(const MeshType& surfaceMesh, const PolyVox::Vector3DInt32& translation = PolyVox::Vector3DInt32(0, 0, 0), float scale = 1.0f)
{
//Convienient access to the vertices and indices
const auto& vecIndices = surfaceMesh.getIndices();
@ -99,7 +100,8 @@ public:
meshData.noOfIndices = vecIndices.size(); //Save this for the call to glDrawElements later
meshData.translation = surfaceMesh.m_Region.getLowerCorner();
meshData.translation = translation;
meshData.scale = scale;
mMeshData.push_back(meshData);
}