wip start adding double stuff

This commit is contained in:
ktyl 2022-09-04 11:35:13 +01:00
parent 81894183fa
commit ff451ef954
7 changed files with 77 additions and 20 deletions

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@ -1,19 +1,15 @@
[gd_scene load_steps=4 format=2]
[gd_scene load_steps=3 format=2]
[ext_resource path="res://scenes/Train.tscn" type="PackedScene" id=1]
[ext_resource path="res://scenes/Railway.tscn" type="PackedScene" id=2]
[ext_resource path="res://scenes/OrbitCamera.tscn" type="PackedScene" id=3]
[ext_resource path="res://scenes/OrbitSystem.tscn" type="PackedScene" id=4]
[node name="Main" type="Node2D"]
[node name="DirectionalLight" type="DirectionalLight" parent="."]
transform = Transform( 0.515898, 0.606099, -0.605386, -0.393123, 0.795389, 0.461314, 0.76112, -2.26831e-08, 0.648611, 0, 0, 0 )
visible = false
[node name="OrbitCamera" parent="." instance=ExtResource( 3 )]
[node name="Camera" parent="." instance=ExtResource( 3 )]
_speed = 0.5
[node name="Railway" parent="." instance=ExtResource( 2 )]
[node name="Train" parent="." instance=ExtResource( 1 )]
_speed = 5.0
_railwayPath = NodePath("../Railway")
[node name="Orbit System" parent="." instance=ExtResource( 4 )]

12
scripts/orbits/Orbit.cs Normal file
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@ -0,0 +1,12 @@
using Godot;
using System;
public class Orbit
{
public Orbit(PointMass a, PointMass b)
{
}
// ellipse
}

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@ -26,7 +26,9 @@ public class OrbitSystem : Node, IMassive, ILocation
public float Mass { get; } = 1;
private ImmediateGeometry _orbit;
private Orbit _orbit;
private ImmediateGeometry _orbitGeometry;
public override void _Ready()
{
@ -39,35 +41,40 @@ public class OrbitSystem : Node, IMassive, ILocation
DrawOrbit();
}
private void InitOrbit()
{
}
private void DrawOrbit()
{
int steps = 100;
_orbit.Clear();
_orbit.Begin(Mesh.PrimitiveType.LineLoop);
_orbit.SetColor(new Color(1, 0, 0));
_orbitGeometry.Clear();
_orbitGeometry.Begin(Mesh.PrimitiveType.LineLoop);
_orbitGeometry.SetColor(new Color(1, 0, 0));
for (int i = 0; i < steps; i++)
{
float t = i / (float)steps;
float a = t * Mathf.Tau;
_orbit.AddVertex(new Vector3
_orbitGeometry.AddVertex(new Vector3
{
x = Mathf.Sin(a),
z = Mathf.Cos(a)
});
}
_orbit.End();
_orbitGeometry.End();
}
private void InitGeometry()
{
_orbit = new ImmediateGeometry();
_orbitGeometry = new ImmediateGeometry();
var m = new SpatialMaterial();
m.VertexColorUseAsAlbedo = true;
m.FlagsUnshaded = true;
_orbit.MaterialOverride = m;
AddChild(_orbit);
_orbitGeometry.MaterialOverride = m;
AddChild(_orbitGeometry);
}
private void InitPointMasses()

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@ -1,7 +1,7 @@
using Godot;
using System;
public class Planet : Node
public class Planet : Node, IMassive
{
[Export]
public float Mass { get; set; }

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@ -1,6 +1,6 @@
using Godot;
struct PointMass : IMassive, ILocation
public struct PointMass : IMassive, ILocation
{
public float Mass => _massive == null ? _mass : _massive.Mass;
public Vector3 Position => _spatial.Translation;

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@ -0,0 +1,8 @@
using Godot;
using System;
public struct Double2
{
public double x;
public double y;
}

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@ -0,0 +1,34 @@
using Godot;
using System;
public struct Ellipse
{
public double a { get => SemiMajorAxis; set => SemiMajorAxis = value; }
public double SemiMajorAxis { get; set; }
public double e { get => Eccentricity; set => Eccentricity = value; }
public double Eccentricity { get; set; }
public double b => SemiMajorAxis;
public double SemiMinorAxis => Math.Sqrt(Apisides.max * Apisides.min);
private Apisides Apisides => new Apisides(a, e);
public Ellipse(double a = 1, double e = 0)
{
SemiMajorAxis = a;
Eccentricity = e;
}
}
public struct Apisides
{
public readonly double min;
public readonly double max;
public Apisides(double a, double e)
{
min = a * (1 - e);
max = a * (1 + e);
}
}