116 lines
3.1 KiB
C#
116 lines
3.1 KiB
C#
using System;
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using ModestTree;
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using UnityEngine;
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namespace Zenject.Asteroids
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{
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public class Asteroid : MonoBehaviour
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{
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LevelHelper _level;
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Rigidbody _rigidBody;
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Settings _settings;
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// We could just add [Inject] to the field declarations but
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// it's often better practice to use PostInject methods
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// Note that we can't use Constructors here because this is
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// a MonoBehaviour
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[Inject]
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public void Construct(LevelHelper level, Settings settings)
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{
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_level = level;
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_settings = settings;
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_rigidBody = GetComponent<Rigidbody>();
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}
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public Vector3 Position
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{
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get { return transform.position; }
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set { transform.position = value; }
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}
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public float Mass
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{
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get { return _rigidBody.mass; }
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set { _rigidBody.mass = value; }
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}
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public float Scale
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{
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get
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{
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var scale = transform.localScale;
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// We assume scale is uniform
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Assert.That(scale[0] == scale[1] && scale[1] == scale[2]);
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return scale[0];
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}
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set
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{
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transform.localScale = new Vector3(value, value, value);
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_rigidBody.mass = value;
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}
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}
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public Vector3 Velocity
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{
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get { return _rigidBody.velocity; }
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set { _rigidBody.velocity = value; }
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}
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public void FixedTick()
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{
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// Limit speed to a maximum
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var speed = _rigidBody.velocity.magnitude;
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if (speed > _settings.maxSpeed)
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{
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var dir = _rigidBody.velocity / speed;
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_rigidBody.velocity = dir * _settings.maxSpeed;
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}
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}
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public void Tick()
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{
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CheckForTeleport();
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}
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void CheckForTeleport()
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{
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if (Position.x > _level.Right + Scale && IsMovingInDirection(Vector3.right))
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{
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transform.SetX(_level.Left - Scale);
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}
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else if (Position.x < _level.Left - Scale && IsMovingInDirection(-Vector3.right))
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{
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transform.SetX(_level.Right + Scale);
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}
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else if (Position.y < _level.Bottom - Scale && IsMovingInDirection(-Vector3.up))
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{
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transform.SetY(_level.Top + Scale);
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}
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else if (Position.y > _level.Top + Scale && IsMovingInDirection(Vector3.up))
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{
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transform.SetY(_level.Bottom - Scale);
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}
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transform.RotateAround(transform.position, Vector3.up, 30 * Time.deltaTime);
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}
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bool IsMovingInDirection(Vector3 dir)
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{
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return Vector3.Dot(dir, _rigidBody.velocity) > 0;
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}
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[Serializable]
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public class Settings
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{
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public float massScaleFactor;
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public float maxSpeed;
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}
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public class Factory : PlaceholderFactory<Asteroid>
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{
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}
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}
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}
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