bool PickingShaderForPointCloud::PrepareBinding(const Geometry &geometry,
const RenderOption &option, const ViewControl &view,
std::vector<Eigen::Vector3f> &points,
std::vector<float> &indices)
{
if (geometry.GetGeometryType() !=
Geometry::GeometryType::PointCloud) {
PrintShaderWarning("Rendering type is not PointCloud.");
return false;
}
const PointCloud &pointcloud = (const PointCloud &)geometry;
if (pointcloud.HasPoints() == false) {
PrintShaderWarning("Binding failed with empty pointcloud.");
return false;
}
points.resize(pointcloud.points_.size());
indices.resize(pointcloud.points_.size());
for (size_t i = 0; i < pointcloud.points_.size(); i++) {
const auto &point = pointcloud.points_[i];
points[i] = point.cast<float>();
indices[i] = (float)i;
}
draw_arrays_mode_ = GL_POINTS;
draw_arrays_size_ = GLsizei(points.size());
return true;
}
/**
* Get the type of primitives this geometry contains
*
* @method getGeometryType
* @for Geometry
* @return {integer} Type of primitives this geometry contains
* @example
* // returns one of the following
* dali.GEOMETRY_POINTS
* dali.GEOMETRY_LINES
* dali.GEOMETRY_LINE_LOOP
* dali.GEOMETRY_LINE_STRIP
* dali.GEOMETRY_TRIANGLES
* dali.GEOMETRY_TRIANGLE_FAN
* dali.GEOMETRY_TRIANGLE_STRIP
*/
void GeometryApi::GetGeometryType( const v8::FunctionCallbackInfo< v8::Value >& args )
{
v8::Isolate* isolate = args.GetIsolate();
v8::HandleScope handleScope( isolate );
Geometry geometry = GetGeometry( isolate, args );
args.GetReturnValue().Set( v8::Integer::New( isolate, geometry.GetGeometryType() ) );
}
bool PickingShaderForPointCloud::PrepareRendering(const Geometry &geometry,
const RenderOption &option, const ViewControl &view)
{
if (geometry.GetGeometryType() !=
Geometry::GeometryType::PointCloud) {
PrintShaderWarning("Rendering type is not PointCloud.");
return false;
}
glPointSize(GLfloat(option.point_size_));
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LESS);
return true;
}