68 lines
2 KiB
C#
68 lines
2 KiB
C#
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using Unity.Burst;
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using Unity.Entities;
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using Unity.Mathematics;
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using Unity.Transforms;
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namespace HappyForest.Prototypen
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{
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// Bewegt alle Pillen und lässt sie an den (aus den "Wall"-Objekten berechneten)
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// Feld-Grenzen abprallen. Läuft komplett als Burst-kompilierter Parallel-Job.
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[BurstCompile]
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public partial struct PilleMovementSystem : ISystem
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{
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public void OnCreate(ref SystemState state)
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{
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state.RequireForUpdate<PilleSimulationConfig>();
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}
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[BurstCompile]
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public void OnUpdate(ref SystemState state)
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{
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var config = SystemAPI.GetSingleton<PilleSimulationConfig>();
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float deltaTime = SystemAPI.Time.DeltaTime;
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var job = new MoveAndBounceJob
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{
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DeltaTime = deltaTime,
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BoundsMin = config.BoundsMin,
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BoundsMax = config.BoundsMax,
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PlayHeight = config.PlayHeight
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};
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state.Dependency = job.ScheduleParallel(state.Dependency);
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}
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}
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[BurstCompile]
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public partial struct MoveAndBounceJob : IJobEntity
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{
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public float DeltaTime;
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public float3 BoundsMin;
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public float3 BoundsMax;
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public float PlayHeight;
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void Execute(ref LocalTransform transform, ref PilleComponent pille)
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{
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if (math.lengthsq(pille.Velocity) < 0.0001f)
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pille.Velocity = new float3(1f, 0f, 0f);
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float3 pos = transform.Position + pille.Velocity * pille.Speed * DeltaTime;
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if (pos.x < BoundsMin.x || pos.x > BoundsMax.x)
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{
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pille.Velocity.x *= -1f;
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pos.x = math.clamp(pos.x, BoundsMin.x, BoundsMax.x);
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}
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if (pos.z < BoundsMin.z || pos.z > BoundsMax.z)
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{
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pille.Velocity.z *= -1f;
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pos.z = math.clamp(pos.z, BoundsMin.z, BoundsMax.z);
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}
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pos.y = PlayHeight;
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transform.Position = pos;
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}
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}
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}
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