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use lnmp_core::{LnmpField, LnmpRecord, LnmpValue};
use lnmp_embedding::Vector;
use lnmp_spatial::*;
/// Represents a physical object with both semantic meaning (embedding) and physical location.
struct SmartObject {
id: String,
embedding: Vector,
position: Position3D,
}
/// Represents a robot with spatial awareness.
struct Robot {
state: SpatialState,
constraints: SpatialConstraints,
}
impl Robot {
fn new() -> Self {
Self {
state: SpatialState {
position: Some(Position3D {
x: 0.0,
y: 0.0,
z: 0.0,
}),
rotation: Some(Rotation {
pitch: 0.0,
yaw: 0.0,
roll: 0.0,
}),
velocity: Some(Velocity {
vx: 0.0,
vy: 0.0,
vz: 0.0,
}),
acceleration: Some(Acceleration {
ax: 0.0,
ay: 0.0,
az: 0.0,
}),
},
constraints: SpatialConstraints::default(),
}
}
fn execute_command(&mut self, target_pos: Position3D) -> Result<(), SpatialError> {
println!("🤖 Robot receiving command: Move to {:?}", target_pos);
// 1. Validate current state
validate_spatial_state(&self.state, &self.constraints)?;
// 2. Calculate path (simplified: direct line)
let current_pos = self.state.position.unwrap();
let distance = spatial_distance(¤t_pos, &target_pos);
println!("📏 Distance to target: {:.2} units", distance);
// 3. Simulate movement (update position)
// In a real system, this would involve velocity/acceleration over time.
// Here we just "teleport" for the example, but we check if the jump is "safe"
// (simulating a max step size check).
if distance > 1000.0 {
return Err(SpatialError::ValidationError(
"Target too far for single step".into(),
));
}
self.state.position = Some(target_pos);
println!(
"✅ Movement complete. New Position: {:?}",
self.state.position.unwrap()
);
Ok(())
}
}
fn main() -> Result<(), Box<dyn std::error::Error>> {
println!("🚀 Starting LNMP-Spatial Robot Simulation...\n");
// 1. Setup Environment
// Create a "Red Box" object
// Embedding is dummy data for example
let red_box = SmartObject {
id: "obj_001".to_string(),
embedding: Vector::from_f32(vec![0.9, 0.1, 0.0]),
position: Position3D {
x: 50.0,
y: 50.0,
z: 0.0,
},
};
println!(
"📦 Object Detected: {} at {:?}",
red_box.id, red_box.position
);
// 2. Create an LNMP Record representing a "Move Command"
// This record combines:
// - F1: Target Object ID (String)
// - F2: Target Embedding (Vector) - Semantic confirmation
// - F10: Target Position (Spatial) - Physical destination
let mut command_record = LnmpRecord::new();
command_record.add_field(LnmpField {
fid: 1,
value: LnmpValue::String(red_box.id.clone()),
});
command_record.add_field(LnmpField {
fid: 2,
value: LnmpValue::Embedding(red_box.embedding.clone()),
});
// We need to encode the Spatial type into a byte buffer to store it in LnmpValue?
// Wait, LnmpValue doesn't have a direct "Spatial" variant yet in lnmp-core.
// We usually store binary data in LnmpValue::String (base64) or we need a Binary variant.
// Looking at lnmp-core, there is no Byte array variant exposed directly except maybe String?
// Actually, for this example, let's assume we extend LnmpValue or use a custom field.
// OR, we can use the new `LnmpValue::NestedRecord` to structure it,
// BUT `lnmp-spatial` is a binary protocol.
// Let's simulate the binary payload of the spatial data.
let mut spatial_payload = Vec::new();
let target_pos_val = SpatialValue::S2(red_box.position);
encode_spatial(&target_pos_val, &mut spatial_payload)?;
// For now, we'll store it as a hex string in the record for demonstration,
// since LnmpValue doesn't have a raw bytes type (it has String).
// In a real binary LNMP container, this would be a raw byte field.
let hex_payload = hex::encode(&spatial_payload);
command_record.add_field(LnmpField {
fid: 10,
value: LnmpValue::String(hex_payload),
});
println!("📝 Command Record Created: {:?}", command_record);
// 3. Robot Execution Loop
let mut robot = Robot::new();
// Decode the command
// In a real scenario, we'd parse the LNMP container.
// Here we extract F10.
if let Some(field) = command_record.get_field(10) {
if let LnmpValue::String(hex_str) = &field.value {
let bytes = hex::decode(hex_str)?;
let mut slice = bytes.as_slice();
let decoded_spatial = decode_spatial(&mut slice)?;
if let SpatialValue::S2(target_pos) = decoded_spatial {
robot.execute_command(target_pos)?;
}
}
}
Ok(())
}