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abdul-unityabdul-unity
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Add project scripts
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‎Assets/Scripts.meta

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‎Assets/Scripts/Authoring.meta

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‎Assets/Scripts/Authoring/Car.meta

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‎Assets/Scripts/Authoring/Car/CarInputAuthoring.cs

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using Unity.Entities.Racing.Common;
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using Unity.Entities;
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using UnityEngine;
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namespace Dots.Racing
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{
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public class CarInputAuthoring : MonoBehaviour { }
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public class CarInputBaker : Baker<CarInputAuthoring>
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{
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public override void Bake(CarInputAuthoring authoring)
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{
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AddComponent<CarInput>();
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}
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}
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}

‎Assets/Scripts/Authoring/Car/CarInputAuthoring.cs.meta

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‎Assets/Scripts/Authoring/Car/PlayerAuthoring.cs

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using Unity.Entities.Racing.Common;
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using Unity.Entities;
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using UnityEngine;
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namespace Dots.Racing
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{
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public class PlayerAuthoring : MonoBehaviour { }
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public class PlayerBaker : Baker<PlayerAuthoring>
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{
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public override void Bake(PlayerAuthoring authoring)
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{
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AddComponent<Player>();
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}
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}
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}

‎Assets/Scripts/Authoring/Car/PlayerAuthoring.cs.meta

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‎Assets/Scripts/Authoring/Car/VehicleAuthoring.cs

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using System;
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using System.Linq;
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using Unity.Collections;
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using Unity.Entities;
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using Unity.Mathematics;
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using UnityEngine;
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using Unity.Entities.Racing.Common;
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namespace Dots.Racing
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{
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public class VehicleAuthoring : MonoBehaviour
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{
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[Header("Suspension")] public float RestLength = 0.45f;
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public float SpringStiffness;
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public float DamperStiffness;
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[Header("Steering")]
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public float TurnRadius;
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public float SteeringForce = 2;
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public float SteeringTime = 10;
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[Header("AntiRollBar")]
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public float AntiRollStiffness = 5000;
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public float DownForce = 50;
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[Header("Acceleration")]
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public float DriveTorque = 50;
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public float MaxDriveTorque = 70;
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public AnimationCurve DriveTorqueCurve = new();
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public float BreakTorque = 50f;
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public CollisionCategories BodyCollisionMask;
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[Header("Wheels")]
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public float WheelsRadius;
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public CollisionCategories WheelsCollisionMask;
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public WheelAuthoringHelper[] Wheels;
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[Header("Engine Sound")]
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public float MinAudioVolume = 0.4f;
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public float MaxAudioVolume = 1.0f;
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[Serializable]
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public class WheelAuthoringHelper
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{
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public GameObject WheelSpring;
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public GameObject WheelMesh;
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public WheelPlacement Placement;
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public bool IsSteering;
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[Range(0,1)]
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public float GripFactor = 0.3f;
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}
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private void OnDrawGizmos()
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{
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foreach (var wheel in Wheels)
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{
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var pos = wheel.WheelSpring.transform.position;
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var wheelCenter = pos - RestLength * Vector3.up;
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Gizmos.color = Color.green;
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Gizmos.DrawLine(pos, pos - RestLength * Vector3.up);
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Gizmos.color = Color.gray;
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Gizmos.DrawWireSphere(wheelCenter, WheelsRadius);
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}
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}
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}
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public class VehicleBaking : Baker<VehicleAuthoring>
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{
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public override void Bake(VehicleAuthoring authoring)
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{
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var vehicleBakingData = new VehicleBakingData
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{
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Authoring = authoring,
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WheelVisual0 = GetEntity(authoring.Wheels[0].WheelMesh),
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WheelVisual1 = GetEntity(authoring.Wheels[1].WheelMesh),
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WheelVisual2 = GetEntity(authoring.Wheels[2].WheelMesh),
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WheelVisual3 = GetEntity(authoring.Wheels[3].WheelMesh),
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WheelSpring0 = GetEntity(authoring.Wheels[0].WheelSpring),
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WheelSpring1 = GetEntity(authoring.Wheels[1].WheelSpring),
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WheelSpring2 = GetEntity(authoring.Wheels[2].WheelSpring),
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WheelSpring3 = GetEntity(authoring.Wheels[3].WheelSpring)
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};
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AddComponent(vehicleBakingData);
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}
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}
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[TemporaryBakingType]
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public struct VehicleBakingData : IComponentData
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{
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public UnityObjectRef<VehicleAuthoring> Authoring;
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public Entity WheelVisual0;
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public Entity WheelVisual1;
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public Entity WheelVisual2;
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public Entity WheelVisual3;
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public Entity WheelSpring0;
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public Entity WheelSpring1;
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public Entity WheelSpring2;
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public Entity WheelSpring3;
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}
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[WorldSystemFilter(WorldSystemFilterFlags.BakingSystem)]
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[UpdateInGroup(typeof(PostBakingSystemGroup))]
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public partial class VehicleBaker : SystemBase
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{
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protected override void OnUpdate()
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{
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Entities
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.WithEntityQueryOptions(EntityQueryOptions.IncludePrefab)
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.WithStructuralChanges()
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.ForEach((Entity entity, ref VehicleBakingData vehicleBakingData) =>
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{
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var vehicleAuthoring = vehicleBakingData.Authoring.Value;
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var chassis = new ChassisReference { Value = entity };
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var suspension = new Suspension
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{
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RestLength = vehicleAuthoring.RestLength,
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SpringStiffness = vehicleAuthoring.SpringStiffness,
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DamperStiffness = vehicleAuthoring.DamperStiffness,
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SpringLength = vehicleAuthoring.RestLength
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};
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//Setup steering
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var wheelsBase = GetWheelsBaseDistance(vehicleAuthoring.Wheels);
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var rearTrack = GetRearTrackDistance(vehicleAuthoring.Wheels);
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var antiRoll = new AntiRollBar { Stiffness = vehicleAuthoring.AntiRollStiffness};
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var driveTorqueCurve =
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AnimationCurveBlob.CreateBlob(vehicleAuthoring.DriveTorqueCurve, Allocator.Persistent);
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var vehicleChassis = new VehicleChassis {
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DownForce = vehicleAuthoring.DownForce,
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CollisionMask = vehicleAuthoring.BodyCollisionMask
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};
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for (var i = 0; i < vehicleAuthoring.Wheels.Length; i++)
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{
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var wheelAuthoring = vehicleAuthoring.Wheels[i];
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var visualMesh = i switch
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{
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0 => vehicleBakingData.WheelVisual0,
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1 => vehicleBakingData.WheelVisual1,
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2 => vehicleBakingData.WheelVisual2,
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3 => vehicleBakingData.WheelVisual3,
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_ => vehicleBakingData.WheelVisual0
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};
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var wheel = new Wheel
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{
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CollisionMask = vehicleAuthoring.WheelsCollisionMask,
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Radius = vehicleAuthoring.WheelsRadius,
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DriveTorque = vehicleAuthoring.DriveTorque,
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MaxDriveTorque = vehicleAuthoring.MaxDriveTorque,
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DriveTorqueCurve = driveTorqueCurve,
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GripFactor = wheelAuthoring.GripFactor,
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Placement = wheelAuthoring.Placement,
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VisualMesh = visualMesh,
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};
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var wheelEntity = i switch
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{
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0 => vehicleBakingData.WheelSpring0,
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1 => vehicleBakingData.WheelSpring1,
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2 => vehicleBakingData.WheelSpring2,
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3 => vehicleBakingData.WheelSpring3,
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_ => vehicleBakingData.WheelSpring0
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};
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if (wheelAuthoring.IsSteering)
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{
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var steering = new Steering
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{
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TurnRadius = vehicleAuthoring.TurnRadius,
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SteeringForce = vehicleAuthoring.SteeringForce,
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WheelsBase = wheelsBase,
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RearTrack = rearTrack,
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SteeringTime = vehicleAuthoring.SteeringTime,
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};
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EntityManager.AddComponentData(wheelEntity, steering);
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}
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switch (wheelAuthoring.Placement)
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{
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case WheelPlacement.FrontRight:
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antiRoll.FrontRightWheel = wheelEntity;
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break;
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case WheelPlacement.FrontLeft:
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antiRoll.FrontLeftWheel = wheelEntity;
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break;
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case WheelPlacement.RearRight:
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antiRoll.RearRightWheel = wheelEntity;
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break;
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case WheelPlacement.RearLeft:
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antiRoll.RearLeftWheel = wheelEntity;
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break;
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}
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EntityManager.AddComponentData(wheelEntity, wheel);
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EntityManager.AddComponentData(wheelEntity, suspension);
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EntityManager.AddComponentData(wheelEntity, chassis);
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EntityManager.AddComponent<WheelDriveControls>(wheelEntity);
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EntityManager.AddComponent<WheelHitData>(wheelEntity);
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}
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EntityManager.AddComponentData(entity, new VolumeData()
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{
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Min = vehicleAuthoring.MinAudioVolume,
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Max = vehicleAuthoring.MaxAudioVolume,
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});
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EntityManager.AddComponentData(entity, antiRoll);
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EntityManager.AddComponentData(entity, vehicleChassis);
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EntityManager.AddComponent<LapProgress>(entity);
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EntityManager.AddComponent<Skin>(entity);
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EntityManager.AddComponent<PlayerName>(entity);
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EntityManager.AddComponent<Rank>(entity);
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EntityManager.AddComponent<Reset>(entity);
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}).Run();
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}
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// Calculates the distance between front and rear wheels
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private float GetWheelsBaseDistance(VehicleAuthoring.WheelAuthoringHelper[] wheels)
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{
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var frontLeft = wheels.First(w => w.Placement == WheelPlacement.FrontLeft);
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var rearLeft = wheels.First(w => w.Placement == WheelPlacement.RearLeft);
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return math.distance(frontLeft.WheelSpring.transform.position, rearLeft.WheelSpring.transform.position);
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}
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// Calculates the distance between the rear wheels
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private float GetRearTrackDistance(VehicleAuthoring.WheelAuthoringHelper[] wheels)
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{
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var rearRight = wheels.First(w => w.Placement == WheelPlacement.RearRight);
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var rearLeft = wheels.First(w => w.Placement == WheelPlacement.RearLeft);
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return math.distance(rearLeft.WheelSpring.transform.position, rearRight.WheelSpring.transform.position);
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}
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}
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}

‎Assets/Scripts/Authoring/Car/VehicleAuthoring.cs.meta

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‎Assets/Scripts/Authoring/Car/WheelsReferenceAuthoring.cs

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using Unity.Entities.Racing.Common;
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using UnityEngine;
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namespace Unity.Entities.Racing.Authoring
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{
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public class WheelsReferenceAuthoring : MonoBehaviour
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{
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public GameObject WheelFR;
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public GameObject WheelFL;
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public GameObject WheelRR;
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public GameObject WheelRL;
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}
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public class WheelsReferenceBaker : Baker<WheelsReferenceAuthoring>
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{
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public override void Bake(WheelsReferenceAuthoring referenceAuthoring)
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{
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AddComponent(new VisualWheels
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{
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WheelFR = GetEntity(referenceAuthoring.WheelFR),
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WheelFL = GetEntity(referenceAuthoring.WheelFL),
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WheelRR = GetEntity(referenceAuthoring.WheelRR),
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WheelRL = GetEntity(referenceAuthoring.WheelRL)
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});
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}
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}
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}

‎Assets/Scripts/Authoring/Car/WheelsReferenceAuthoring.cs.meta

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‎Assets/Scripts/Authoring/CarSelection.meta

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