Added basic friction

- floor friction and longitudinal and latitudinal friction
Autodesk · Jun 25, 2024 · e8aaeb4 · e8aaeb4
1 parent 7f9e87c
commit e8aaeb4
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Showing 2 changed files with 12 additions and 5 deletions.
diff --git a/fission/src/systems/physics/PhysicsSystem.ts b/fission/src/systems/physics/PhysicsSystem.ts
@@ -68,8 +68,10 @@ class PhysicsSystem extends WorldSystem {
             new THREE.Vector3(0.0, -2.0, 0.0),
             undefined
         )
+        ground.SetFriction(0.7);
         this._joltBodyInterface.AddBody(ground.GetID(), JOLT.EActivation_Activate)
     }
+
 
     /**
      * TEMPORARY
@@ -453,11 +455,11 @@ class PhysicsSystem extends WorldSystem {
         wheelSettings.mSuspensionMaxLength = 0.0000006
         wheelSettings.mInertia = 1
 
-        const friction = new JOLT.LinearCurve()
-        friction.Clear()
-        friction.AddPoint(1, 1)
-        friction.AddPoint(0, 1)
-        wheelSettings.mLongitudinalFriction = friction
+        // const friction = new JOLT.LinearCurve()
+        // friction.Clear()
+        // friction.AddPoint(1, 1)
+        // friction.AddPoint(0, 1)
+        // wheelSettings.mLongitudinalFriction = friction
 
         const vehicleSettings = new JOLT.VehicleConstraintSettings()
 

diff --git a/fission/src/systems/simulation/driver/WheelDriver.ts b/fission/src/systems/simulation/driver/WheelDriver.ts
@@ -2,6 +2,9 @@ import Jolt from "@barclah/jolt-physics"
 import Driver from "./Driver"
 import JOLT from "@/util/loading/JoltSyncLoader"
 
+const LATERIAL_FRICTION = 0.6;
+const LONGITUDINAL_FRICTION = 0.8;
+
 class WheelDriver extends Driver {
     private _constraint: Jolt.VehicleConstraint
     private _wheel: Jolt.WheelWV
@@ -22,6 +25,8 @@ class WheelDriver extends Driver {
 
         this._constraint = constraint;
         this._wheel = JOLT.castObject(this._constraint.GetWheel(0), JOLT.WheelWV);
+        this._wheel.set_mCombinedLateralFriction(LATERIAL_FRICTION); 
+        this._wheel.set_mCombinedLongitudinalFriction(LONGITUDINAL_FRICTION);
     }
 
     public Update(_: number): void {