70 lines
2.7 KiB
C#
70 lines
2.7 KiB
C#
using Godot;
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using Particles.ParticleSimulation;
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// ReSharper disable once CheckNamespace
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// ReSharper disable once ClassNeverInstantiated.Global
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public class ParticleSimulationScene : Node2D
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{
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private Node2D _particleNodes;
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private ParticleSimulation _particleSimulation;
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public float PhysicsInterpolationFraction;
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public void Initialize(int nParticles)
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{
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_particleNodes = GetNode<Node2D>("ParticleNodes");
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var seed = GetParent<Main>().Seed;
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GD.Seed((ulong)seed);
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GD.Print("Last Seed: " + seed);
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var viewSize = GetViewportRect().Size;
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var zoom = GetNode<Camera2D>("Camera2D").Zoom;
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var spaceSize = new Vector2(viewSize.x * zoom.x, viewSize.y * zoom.y);
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_particleSimulation = new ParticleSimulation
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{
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SpaceSize = spaceSize
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};
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_particleSimulation.Initialize(nParticles);
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foreach (var id in _particleSimulation.LastParticlesAdded) CreateParticleNode(id);
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}
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public override void _Process(float delta)
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{
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if (Input.IsActionJustPressed("quit"))
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GetParent<Main>().ExitToMenu();
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if (Input.IsActionJustPressed("reset"))
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GetParent<Main>().RestartSimulation();
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PhysicsInterpolationFraction = Engine.GetPhysicsInterpolationFraction();
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}
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public override void _PhysicsProcess(float delta)
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{
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_particleSimulation.Update();
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foreach (var id in _particleSimulation.LastParticlesRemoved)
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{
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var particleNode = _particleNodes.GetNode<ParticleNode>(id.ToString());
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particleNode.Free();
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}
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foreach (var id in _particleSimulation.LastParticlesAdded) CreateParticleNode(id);
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var particleNodes = _particleNodes.GetChildren();
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foreach (ParticleNode particleNode in particleNodes)
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{
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var simulationParticle = _particleSimulation.GetParticle(particleNode.SimulationId);
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particleNode.LastSimulationPosition = particleNode.Position;
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particleNode.CurrentSimulationPosition = simulationParticle.Position;
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particleNode.SetColor(simulationParticle.Type.Hue, simulationParticle.Health,
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Mathf.Clamp(simulationParticle.AverageSpeed / 1.5f, 1f, 1f));
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particleNode.WasTeleportedLast = simulationParticle.WasTeleportedLast;
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}
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}
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private void CreateParticleNode(int id)
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{
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var particleScene = GD.Load<PackedScene>("res://ParticleSimulation/ParticleNode.tscn");
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var particleNode = particleScene.Instance<ParticleNode>();
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particleNode.Name = id.ToString();
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particleNode.SimulationId = id;
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_particleNodes.AddChild(particleNode);
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}
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} |