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added loading of doubles for position

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Signed-off-by: Arthur Brainville (Ybalrid) <ybalrid@ybalrid.info>
This commit is contained in:
Arthur Brainville 2018-02-20 21:42:44 +01:00
parent 6edd3a7f60
commit dc07a50ab7
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GPG Key ID: BC05C4812A06BCF3
1 changed files with 23 additions and 2 deletions
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25
examples/raytrace/gltf-loader.cc
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@ -153,17 +153,20 @@ bool LoadGLTF(const std::string &filename, float scale,
if (attribute.first == "POSITION") { if (attribute.first == "POSITION") {
std::cout << "found position attribute\n"; std::cout << "found position attribute\n";
// get the position min/max for computing the boundingbox
pMin.x = attribAccessor.minValues[0]; pMin.x = attribAccessor.minValues[0];
pMin.y = attribAccessor.minValues[1]; pMin.y = attribAccessor.minValues[1];
pMin.z = attribAccessor.minValues[2]; pMin.z = attribAccessor.minValues[2];
pMax.x = attribAccessor.maxValues[0]; pMax.x = attribAccessor.maxValues[0];
pMax.y = attribAccessor.maxValues[1]; pMax.y = attribAccessor.maxValues[1];
pMax.z = attribAccessor.maxValues[2]; pMax.z = attribAccessor.maxValues[2];
switch (attribAccessor.componentType) { switch (attribAccessor.componentType) {
case TINYGLTF_COMPONENT_TYPE_FLOAT: case TINYGLTF_COMPONENT_TYPE_FLOAT:
switch (attribAccessor.type) { switch (attribAccessor.type) {
case TINYGLTF_TYPE_VEC3: { case TINYGLTF_TYPE_VEC3: {
/// 3D vector of float // 3D vector of float
v3fArray positions( v3fArray positions(
arrayAdapter<v3f>(dataPtr, count, byte_stride)); arrayAdapter<v3f>(dataPtr, count, byte_stride));
for (size_t i{0}; i < positions.size(); ++i) { for (size_t i{0}; i < positions.size(); ++i) {
@ -180,7 +183,25 @@ bool LoadGLTF(const std::string &filename, float scale,
// TODO Handle error // TODO Handle error
break; break;
} }
break; case TINYGLTF_COMPONENT_TYPE_DOUBLE: {
switch (attribAccessor.type) {
case TINYGLTF_TYPE_VEC3: {
v3dArray positions(
arrayAdapter<v3d>(dataPtr, count, byte_stride));
for (size_t i{0}; i < positions.size(); ++i) {
const auto v = positions[i];
std::cout << '(' << v.x << ", " << v.y << ", " << v.z
<< ")\n";
loadedMesh.vertices.push_back(v.x * scale);
loadedMesh.vertices.push_back(v.y * scale);
loadedMesh.vertices.push_back(v.z * scale);
}
} break;
default:
break;
}
} break;
default: default:
// TODO handle error // TODO handle error
break; break;