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  • 作家相片Liling Liu
    • 2023年10月24日
    • 讀畢需時 3 分鐘

[Chaos Physics] Unreal Engine 5.2 駕駛Chaos車輛教學 ｜Driving Chaos Vehicle

駕駛 Chaos 車輛



匯入模型和貼圖: 將模型和貼圖匯入到引擎的Browser




這台車已經Rig了


FBX import Options:

Skeletal Mesh: turn on


Combine Meshes: If you have many separate mesh, you could turn on




















Plugins:


ChaosVehiclesPlugin




WheeledVehiclePawn



Create BP:


Right click mouse > Blueprint Class


All Classes:

search: vehicle

Select “ WheeledVehiclePawn ”



Mesh > Skeletal Mesh Asset > car




攝影機


Left side > +Add > SpringArm and Camera


Setup camera target Arm Length: 600


攝影機設定

Turn off:

Inherit Pitch

Inherit Yaw

Inherit Roll


攝影機碰撞:

Probe Size: 0

Do collsion test: Turn Off




輪胎設定


選上 Vehicle Movement Component


這台車有四顆輪子，所以按四次 +


Wheel Setup > Wheel Setups > +



Go to Skeleton and 拷貝骨頭名字


選骨頭 > 右鍵 > Copy selected Bone Names



Paste to Wheel setups index bone name


引擎扭力設定


Vehicle Movement component > Mechanical Setup


2種方式可以創建 扭力曲線



方法1: 點兩下扭力曲線視窗



The graph's X 軸代表引擎 RPM (每分鐘轉數)

The graph's Y軸代表引擎扭力輸出 NM (Newton Meters)



Total Tougue : 300


Add curve points in 300


Shift + 滑鼠左鍵 : Add points


曲線如圖




方法2:



滑鼠右鍵 > Miscellaneous > Curve














Pick Curve Class: CurveFloat






Add Keys



Go to BP_Car


Vehicle Movement component > Mechanical Setup


External Curve > 選上剛剛所創建的curve




Chaos Vehicle wheel Blueprint


在大多數情況下，每輛車至少需要兩種類型的車輪。.

  • 一個受轉向/引擎/手煞車影響的車輪，一個不受轉向/引擎/手煞車影響的車輪

  • 這可能是前輪或後輪尺寸不同的情況


Create wheel BP:

Blueprint Class > ChaosVehicleWheel




Create front and rear wheel BP




Double click BP_Front_Wheel


Setup

Wheel > Axle Type : Front

Affected by Handbrake: Turn Off

Affected by Engine: Turn on

Wheels setup

Max steer Angle:45

Affected by steering: Turn on


Double click BP_Rear_Wheel


Setup

Wheel > Axle Type : Front

Affected by Handbrake: Turn on

Affected by Engine: Turn on




Go back to BP_Car


更新wheel setups class



Turn on Simulate Physics



Game Mode


Default Pawn Class: BP_Car



World Settings


Window > World Settings




Game mode

GameMode Override: GM_Car



執行結果



車子物理


選擇物理並刪除


因為預設的形狀，比較不會跟車子輪胎，車體等一樣


選擇全部輪胎骨頭 > Primitive shape: Sphere >Add bodies


選擇Root 骨頭> Primitive shape: Single convex Hull >Add bodies



控制攝影機選轉


Open BP_Car


使用滑鼠來旋轉攝影機


Mouse X Axis Value ---> Delta Rotation Z

Mouse Y Axis Value ---> Delta Rotate Y



執行結果:

發現車子不是在地板上，是浮空的



改變車輪範圍

Go to BP_FrontWheel and BP_RearWheel change “ wheel radius ”


Wheel Radius: 20



Result:



Vehicle Movement


Input Action


Project settings



Go to Engine - Input


Action Mappings: HandBrake --> Spacebar


Axis Mappings:

Thottle --> W

Brake --> S

Steering --> A , D



Go to BP_Car


Each InputAsix to connect


Vehicle Movement



Animaton


保留我們想要的車輛行為


Select car skeleton > right click mouse > Create > Anim Blueprint

Opne AnimBP > Class Settings > class options > Parent Class : Vehicle Animation Instance


Mesh Space Ref Pose: 這用於返回動畫藍圖中骨架網格物件的網格空間參考姿勢


Wheel Controller : 為了減輕創建這些類型動畫的大量工作，您可以使用滾輪控制器節點來驅動動畫。


GO to BP_Car


Select Mesh > Animation > Anim Class : AB_Car


Play game


Result






Youtube Tutorial:








教學專案和文件下載 / Full Project and Document Download:





Sketchfab - Car Scene:



How to Set up Vehicles Unreal Engine 5.0




贊助 / Support Me




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