85 lines
3.2 KiB
C#
85 lines
3.2 KiB
C#
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using System.Collections.Generic;
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using UnityEngine;
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namespace Unity.Cinemachine.Samples
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{
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public class SimpleCarController : MonoBehaviour, Unity.Cinemachine.IInputAxisOwner
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{
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public float MotorStrength = 2000;
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public float BrakeStrength = 5000;
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public float MaxTurnAngle = 50;
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public WheelCollider FrontLeftWheelCollider;
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public WheelCollider FrontRightWheelCollider;
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public WheelCollider RearLeftWheelCollider;
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public WheelCollider RearRightWheelCollider;
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public Transform FrontLeftWheel;
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public Transform FrontRightWhee;
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public Transform RearLeftWheel;
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public Transform RearRightWheel;
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[Header("Input Axes")]
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[Tooltip("X Axis movement. Value is -1..1. Controls the turning amount")]
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public InputAxis MoveX = InputAxis.DefaultMomentary;
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[Tooltip("Z Axis movement. Value is -1..1. Controls the forward acceleration")]
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public InputAxis MoveZ = InputAxis.DefaultMomentary;
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[Tooltip("Braking. Value is 0 to 1. Controls the braking force")]
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public InputAxis Brake = InputAxis.DefaultMomentary;
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/// Report the available input axes to the input axis controller.
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/// We use the Input Axis Controller because it works with both the Input package
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/// and the Legacy input system. This is sample code and we
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/// want it to work everywhere.
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void IInputAxisOwner.GetInputAxes(List<IInputAxisOwner.AxisDescriptor> axes)
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{
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axes.Add(new () { DrivenAxis = () => ref MoveX, Name = "Move X", Hint = IInputAxisOwner.AxisDescriptor.Hints.X });
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axes.Add(new () { DrivenAxis = () => ref MoveZ, Name = "Move Z", Hint = IInputAxisOwner.AxisDescriptor.Hints.Y });
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axes.Add(new () { DrivenAxis = () => ref Brake, Name = "Brake" });
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}
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void OnValidate()
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{
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MoveX.Validate();
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MoveZ.Validate();
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Brake.Validate();
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}
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void FixedUpdate()
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{
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// Acceleration
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var force = MotorStrength * MoveZ.Value;
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FrontLeftWheelCollider.motorTorque = force;
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FrontRightWheelCollider.motorTorque = force;
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// Braking
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force = BrakeStrength * Brake.Value;
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FrontRightWheelCollider.brakeTorque = force;
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FrontLeftWheelCollider.brakeTorque = force;
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RearLeftWheelCollider.brakeTorque = force;
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RearRightWheelCollider.brakeTorque = force;
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if (Brake.Value > 0.99f)
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MoveZ.Value = 0;
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// Steering
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force = MaxTurnAngle * MoveX.Value;
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FrontLeftWheelCollider.steerAngle = force;
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FrontRightWheelCollider.steerAngle = force;
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// Place the wheels
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UpdateWheel(FrontLeftWheelCollider, FrontLeftWheel);
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UpdateWheel(FrontRightWheelCollider, FrontRightWhee);
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UpdateWheel(RearRightWheelCollider, RearRightWheel);
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UpdateWheel(RearLeftWheelCollider, RearLeftWheel);
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}
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void UpdateWheel(WheelCollider c, Transform t)
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{
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c.GetWorldPose(out var pos, out var rot);
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t.SetPositionAndRotation(pos, rot);
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}
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}
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}
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