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get sphere normals correct

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This commit is contained in:
ZappoMan 2015-01-27 21:39:59 -08:00
parent e7742351b7
commit 9631761f70
2 changed files with 32 additions and 6 deletions
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4
libraries/entities-renderer/src/RenderableSphereEntityItem.cpp
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@ -46,8 +46,8 @@ void RenderableSphereEntityItem::render(RenderArgs* args) {
glTranslatef(positionToCenter.x, positionToCenter.y, positionToCenter.z);
glScalef(dimensions.x, dimensions.y, dimensions.z);
const int SLICES = 40;
const int STACKS = 40;
const int SLICES = 10; //40;
const int STACKS = 10;
DependencyManager::get<DeferredLightingEffect>()->renderSolidSphere(0.5f, SLICES, STACKS, sphereColor);
glPopMatrix();
glPopMatrix();

34
libraries/render-utils/src/GeometryCache.cpp
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@ -63,7 +63,7 @@ void GeometryCache::renderSphere(float radius, int slices, int stacks, const glm
int vertices = slices * (stacks - 1) + 2;
int indices = slices * stacks * NUM_VERTICES_PER_TRIANGULATED_QUAD;
int indices = slices * (stacks - 1) * NUM_VERTICES_PER_TRIANGULATED_QUAD;
if (!_sphereVertices.contains(keyRadius)) {
gpu::BufferPointer verticesBuffer(new gpu::Buffer());
@ -113,6 +113,8 @@ qDebug() << " _sphereVertices.size():" << _sphereVertices.size();
GLushort* indexData = new GLushort[indices];
GLushort* index = indexData;
int indexCount = 0;
// South cap
GLushort bottom = 0;
@ -121,6 +123,8 @@ qDebug() << " _sphereVertices.size():" << _sphereVertices.size();
*(index++) = bottom;
*(index++) = top + i;
*(index++) = top + (i + 1) % slices;
indexCount += 3;
}
// (stacks - 2) ribbons
@ -133,10 +137,15 @@ qDebug() << " _sphereVertices.size():" << _sphereVertices.size();
*(index++) = top + next;
*(index++) = bottom + j;
*(index++) = top + j;
indexCount += 3;
*(index++) = bottom + next;
*(index++) = bottom + j;
*(index++) = top + next;
indexCount += 3;
}
}
@ -147,6 +156,9 @@ qDebug() << " _sphereVertices.size():" << _sphereVertices.size();
*(index++) = bottom + (i + 1) % slices;
*(index++) = bottom + i;
*(index++) = top;
indexCount += 3;
}
indicesBuffer->append(sizeof(GLushort) * indices, (gpu::Buffer::Byte*) indexData);
delete[] indexData;
@ -154,6 +166,8 @@ qDebug() << "GeometryCache::renderSphere()... --- CREATING INDEX BUFFER";
qDebug() << " radius:" << radius;
qDebug() << " slices:" << slices;
qDebug() << " stacks:" << stacks;
qDebug() << "indexCount:" << indexCount;
qDebug() << " indices:" << indices;
qDebug() << " _sphereIndices.size():" << _sphereIndices.size();
}
@ -169,7 +183,7 @@ qDebug() << " _sphereIndices.size():" << _sphereIndices.size();
int* colorData = new int[vertices];
int* colorDataAt = colorData;
for(int v = 0; v < vertices; v++) {
*(colorDataAt++) = compactColor;
}
@ -178,6 +192,7 @@ qDebug() << " _sphereIndices.size():" << _sphereIndices.size();
delete[] colorData;
qDebug() << "GeometryCache::renderSphere()... --- CREATING COLORS BUFFER";
qDebug() << " vertices:" << vertices;
qDebug() << " color:" << color;
qDebug() << " slices:" << slices;
qDebug() << " stacks:" << stacks;
@ -188,21 +203,32 @@ qDebug() << " _sphereColors.size():" << _sphereColors.size();
gpu::BufferPointer verticesBuffer = _sphereVertices[keyRadius];
gpu::BufferPointer indicesBuffer = _sphereIndices[keySlicesStacks];
gpu::BufferPointer colorBuffer = _sphereColors[colorKey];
#ifdef WANT_DEBUG
qDebug() << "renderSphere() radius:" << radius << "slices:" << slices << "stacks:" << stacks;
qDebug() << " vertices:" << vertices;
qDebug() << " indices:" << indices;
qDebug() << " colorBuffer->getSize():" << colorBuffer->getSize();
#endif //def WANT_DEBUG
const int VERTICES_SLOT = 0;
const int COLOR_SLOT = 1;
const int NORMALS_SLOT = 1;
const int COLOR_SLOT = 2;
gpu::Stream::FormatPointer streamFormat(new gpu::Stream::Format()); // 1 for everyone
streamFormat->setAttribute(gpu::Stream::POSITION, VERTICES_SLOT, gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::POS_XYZ), 0);
streamFormat->setAttribute(gpu::Stream::NORMAL, NORMALS_SLOT, gpu::Element(gpu::VEC3, gpu::FLOAT, gpu::XYZ));
streamFormat->setAttribute(gpu::Stream::COLOR, COLOR_SLOT, gpu::Element(gpu::VEC4, gpu::UINT8, gpu::RGBA));
gpu::BufferView verticesView(verticesBuffer, streamFormat->getAttributes().at(gpu::Stream::POSITION)._element);
gpu::BufferView normalsView(verticesBuffer, streamFormat->getAttributes().at(gpu::Stream::NORMAL)._element);
gpu::BufferView colorView(colorBuffer, streamFormat->getAttributes().at(gpu::Stream::COLOR)._element);
gpu::Batch batch;
batch.setInputFormat(streamFormat);
batch.setInputBuffer(VERTICES_SLOT, verticesView);
batch.setInputBuffer(NORMALS_SLOT, normalsView);
batch.setInputBuffer(COLOR_SLOT, colorView);
batch.setIndexBuffer(gpu::UINT16, indicesBuffer, 0);