130 lines
3.9 KiB
C#
130 lines
3.9 KiB
C#
using System;
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using System.IO;
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using CounterDrone.Core.Algorithms;
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using CounterDrone.Core.Models;
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using Xunit;
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namespace CounterDrone.Core.Tests
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{
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public class DispersionModelTests
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{
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private AmmunitionSpec CreateTestAmmo()
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{
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return new AmmunitionSpec
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{
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InitialRadius = 50.0,
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InitialVolume = 500000.0,
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CoreDensity = 1.2,
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EdgeDensity = 0.1,
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DispersionRateBase = 5.0,
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MaxRadius = 200.0,
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MaxDuration = 60.0,
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EffectiveConcentration = 0.05,
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};
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}
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private CombatScene CreateTestEnv(float windSpeed = 5.0f, WindDirection dir = WindDirection.E)
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{
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return new CombatScene
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{
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WindSpeed = windSpeed,
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WindDirection = (int)dir,
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Temperature = 20,
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Humidity = 60,
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Pressure = 1013,
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};
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}
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[Fact]
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public void Initialize_SetsProperties()
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{
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var model = new GaussianPuffDispersion();
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var ammo = CreateTestAmmo();
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var env = CreateTestEnv();
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model.Initialize(ammo, env, new Vector3(1000, 0, 300), 0f);
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Assert.Equal(50f, model.Radius);
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Assert.Equal(1.2f, model.CoreDensity);
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Assert.False(model.IsDissipated);
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}
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[Fact]
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public void Tick_ExpandsRadius()
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{
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var model = new GaussianPuffDispersion();
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model.Initialize(CreateTestAmmo(), CreateTestEnv(), new Vector3(0, 0, 0), 0f);
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// 5 秒后
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model.Tick(5f, 5f, WindDirection.E);
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// 初始 50 + 扩散速率 5 × 5s = 75
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Assert.True(model.Radius > 55f && model.Radius < 80f);
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}
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[Fact]
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public void Tick_WindDrift_MovesCenter()
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{
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var model = new GaussianPuffDispersion();
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model.Initialize(CreateTestAmmo(), CreateTestEnv(10f, WindDirection.E), new Vector3(0, 0, 0), 0f);
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model.Tick(10f, 10f, WindDirection.E);
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// 东风 10 m/s × 10s = 100m，东是 +X
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Assert.True(model.Center.X > 80f);
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Assert.True(model.Center.Z < 20f); // 纯东向，Z 不应有大偏移
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}
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[Fact]
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public void Tick_DensityDecays()
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{
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var model = new GaussianPuffDispersion();
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model.Initialize(CreateTestAmmo(), CreateTestEnv(0f, WindDirection.N), new Vector3(0, 0, 0), 0f);
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model.Tick(20f, 0f, WindDirection.N);
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// 半径膨胀后密度应下降
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Assert.True(model.CoreDensity < 1.2f);
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}
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[Fact]
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public void Tick_DissipatesAfterMaxDuration()
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{
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var model = new GaussianPuffDispersion();
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var ammo = CreateTestAmmo();
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ammo.MaxDuration = 5.0; // 5秒消散
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model.Initialize(ammo, CreateTestEnv(), new Vector3(0, 0, 0), 0f);
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model.Tick(6f, 0f, WindDirection.N);
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Assert.True(model.IsDissipated);
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}
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[Fact]
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public void Tick_DissipatesAtMaxRadius()
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{
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var model = new GaussianPuffDispersion();
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var ammo = CreateTestAmmo();
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ammo.MaxRadius = 60.0;
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ammo.DispersionRateBase = 100.0; // 快速膨胀
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model.Initialize(ammo, CreateTestEnv(), new Vector3(0, 0, 0), 0f);
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model.Tick(1f, 0f, WindDirection.N);
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Assert.True(model.IsDissipated);
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}
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[Fact]
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public void ParticleOpacity_DecaysWithDensity()
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{
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var model = new GaussianPuffDispersion();
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model.Initialize(CreateTestAmmo(), CreateTestEnv(0f, WindDirection.N), new Vector3(0, 0, 0), 0f);
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Assert.Equal(1.0f, model.Particles.Opacity, 0.01f);
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model.Tick(30f, 0f, WindDirection.N);
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Assert.True(model.Particles.Opacity < 1.0f);
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}
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}
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}
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