Fixed FakeGlowMaterial

+Added Flames Material :)

src/components/FakeFlame/FakeFlame.jsx

@@ -0,0 +1,152 @@
+/**
+ * FakeFlame material component by Anderson Mancini - Jan 2024.
+ */
+
+import React, { useMemo, useRef } from 'react'
+import { shaderMaterial } from '@react-three/drei'
+import { extend, useFrame } from '@react-three/fiber'
+import { Color, DoubleSide, AdditiveBlending } from 'three'
+
+export default function FakeFlame({ falloff = 3, glowInternalRadius = 1.0, glowColor = 'orange', glowSharpness = 1.0 }) {
+  const FakeFlame = useMemo(() => {
+    return shaderMaterial(
+      {
+        falloffAmount: falloff,
+        glowInternalRadius: glowInternalRadius,
+        glowColor: new Color(glowColor),
+        glowSharpness: glowSharpness,
+        time: 0
+      },
+      /*GLSL */
+      `
+      varying vec3 vNormal;
+      varying vec2 vUv;
+      uniform float time;
+      
+      float random2D(vec2 value)
+      {
+          return fract(sin(dot(value.xy, vec2(12.9898,78.233))) * 43758.5453123);
+      }
+
+      void main() {
+          // Position
+          vec4 modelPosition = modelMatrix * vec4(position, 1.0);
+          vec4 modelNormal = modelMatrix * vec4(normal, 0.0);
+
+          // Glitch
+          float glitchTime = time + modelPosition.y;
+          float glitchStrength = sin(glitchTime) + sin(glitchTime * .05) +  sin(glitchTime * .36);
+          glitchStrength /= 2.0;
+          glitchStrength = smoothstep(0.2, 0.8, glitchStrength);
+          glitchStrength *= 0.25;
+          modelPosition.x += (random2D(modelNormal.xx + time) - 0.5) * glitchStrength;
+          modelPosition.x += (random2D(modelNormal.xx - time) - 0.2) * glitchStrength;
+          modelPosition.y += sin(smoothstep(0.3, vUv.y - 1.8, position.y) * 2.) * sin(time * 2.);
+          modelPosition.z += sin(smoothstep(0., vUv.x - 0.8, position.z) * 2.) * sin(time * 2.) * .6;
+
+          gl_Position = projectionMatrix * viewMatrix * modelPosition;
+
+          vUv = uv;
+      }`,
+      /*GLSL */
+      ` 
+      uniform vec3 glowColor;
+      uniform float falloffAmount;
+      uniform float glowSharpness;
+      uniform float glowInternalRadius;
+      uniform float time;
+
+      varying vec2 vUv;
+
+      vec2 hash( vec2 p )
+      {
+        p = vec2( dot(p,vec2(127.1,311.7)),
+            dot(p,vec2(269.5,183.3)) );
+        return -1.0 + 2.0*fract(sin(p)*43758.5453123);
+      }
+
+      float noise( in vec2 p )
+      {
+        const float K1 = 0.366025404; // (sqrt(3)-1)/2;
+        const float K2 = 0.211324865; // (3-sqrt(3))/6;
+        
+        vec2 i = floor( p + (p.x+p.y)*K1 );
+        
+        vec2 a = p - i + (i.x+i.y)*K2;
+        vec2 o = (a.x>a.y) ? vec2(1.0,0.0) : vec2(0.0,1.0);
+        vec2 b = a - o + K2;
+        vec2 c = a - 1.0 + 2.0*K2;
+        
+        vec3 h = max( 0.5-vec3(dot(a,a), dot(b,b), dot(c,c) ), 0.0 );
+        
+        vec3 n = h*h*h*h*vec3( dot(a,hash(i+0.0)), dot(b,hash(i+o)), dot(c,hash(i+1.0)));
+        
+        return dot( n, vec3(70.0) );
+      }
+
+      float fbm(vec2 uv)
+      {
+        float f;
+        mat2 m = mat2( 1.6,  1.2, -1.2,  1.6 );
+        f  = 0.5000*noise( uv ); uv = m*uv;
+        f += 0.2500*noise( uv ); uv = m*uv;
+        // f += 0.1250*noise( uv ); uv = m*uv;
+        // f += 0.0625*noise( uv ); uv = m*uv;
+        f = 0.5 + 0.5*f;
+        return f;
+      }
+
+      // #define BLUE_FLAME
+      // #define GREEN_FLAME
+
+      void main()
+      {
+        vec2 q = vUv;
+        q.x *= 2.;
+        q.y *= 2.;
+        float strength = floor(q.x+1.5);
+        float T3 = max(2.,2.25*strength)*time;
+        q.x = mod(q.x,1.)-0.5;
+        q.y -= 0.05;
+        float n = fbm(strength*q + vec2(0,T3));
+        float c = 0.7 - 0.01 * pow( max( 0., length(q*vec2(1.8+q.y*1.5,.75) ) - n * max( 0., q.y+.25 ) ),.2 );
+      	// float c1 = n * c * fract((1.9-pow(0.15*vUv.y,2.))) * 2.;
+        float c1 = n * c * (pow(1.90*vUv.y,2.));
+        c1=clamp(c1,0.,1.);
+      
+        vec3 col = smoothstep(0.1, 0.8, vec3(c1, c1*c1*c1, c1*c1*c1*c1*c1*c1));
+
+        #ifdef BLUE_FLAME
+          col = col.zyx;
+        #endif
+        #ifdef GREEN_FLAME
+          col = 0.85*col.yxz;
+        #endif
+          
+        gl_FragColor = vec4( col, 1.0);
+
+        #include <tonemapping_fragment>
+        #include <colorspace_fragment>
+      }`
+    )
+  }, [falloff, glowInternalRadius, glowColor, glowSharpness])
+
+  extend({ FakeFlame })
+
+  useFrame((state, delta) => {
+    ref.current.time += delta
+  })
+
+  const ref = useRef()
+
+  return (
+    <fakeFlame
+      key={FakeFlame.key}
+      side={DoubleSide}
+      transparent={true}
+      blending={AdditiveBlending}
+      depthTest={false}
+      ref={ref}
+    />
+  )
+}

src/components/FakeGlow/FakeGlowMaterial.jsx

@@ -1,82 +1,73 @@
 /**
- * FakeGlow material component by Anderson Mancini - Dec 2024.
+ * fakeGlow material component by Anderson Mancini - Dec 2023.
  */
 
-import React, { useRef, useMemo } from 'react'
+import React, { useMemo } from 'react'
 import { shaderMaterial } from '@react-three/drei'
-import { extend, useFrame } from '@react-three/fiber'
+import { extend } from '@react-three/fiber'
-import { Color, BackSide, AdditiveBlending } from 'three'
+import { Color, DoubleSide, AdditiveBlending } from 'three'
 
-export default function FakeGlowMaterial({ glowCenter = 0.05, edgeIntensity = 6.0, glowColor = '#00ff00', glowOpacity = 1.0, fresnelOpacity = 0.5, fresnelAmount = 0.5, wireframe = false }) {
+export default function FakeGlowMaterial({ falloff = 3, glowInternalRadius = 1.0, glowColor = '#b97939', glowSharpness = 1.0 }) {
   const FakeGlowMaterial = useMemo(() => {
     return shaderMaterial(
       {
-        time: 0,
+        falloffAmount: falloff,
-        glowCenter: glowCenter,
+        glowInternalRadius: glowInternalRadius,
-        edgeIntensity: edgeIntensity,
         glowColor: new Color(glowColor),
-        glowOpacity: glowOpacity,
+        glowSharpness: glowSharpness
-        fresnelOpacity: fresnelOpacity,
-        fresnelAmount: fresnelAmount
       },
       /*GLSL */
       `
-      uniform float glowCenter;
+      varying vec3 vPosition;
-      uniform float edgeIntensity;
-      varying float intensity;
-      varying vec3 vNormel;
       varying vec3 vNormal;
-      uniform float fresnelOpacity;
-      uniform float fresnelAmount;
 
       void main() {
-        vec3 viewVector = normalize(vec3(cameraPosition-position));
+        vec4 modelPosition = modelMatrix * vec4(position, 1.0);
-        float fresnelEffect = dot(vNormel, vNormal) * ( fresnelOpacity);
+        gl_Position = projectionMatrix * viewMatrix * modelPosition;
-        fresnelEffect = clamp(fresnelAmount - fresnelEffect, 0.5, fresnelOpacity);
+        vec4 modelNormal = modelMatrix * vec4(normal, 0.0);
-        vec3 vNormal = normalize( normalMatrix * normal );
+        vPosition = modelPosition.xyz;
-        vec3 vNormel = normalize( normalMatrix * viewVector );
+        vNormal = modelNormal.xyz;
-        intensity = pow( glowCenter - dot(vNormal, vNormel), edgeIntensity / fresnelEffect );
+
-        gl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );
       }`,
       /*GLSL */
       ` 
       uniform vec3 glowColor;
-      varying float intensity;
+      uniform float falloffAmount;
-      uniform float glowOpacity;
+      uniform float glowSharpness;
-      uniform float fresnelOpacity;
+      uniform float glowInternalRadius;
-      uniform float fresnelAmount;
+
-      varying vec3 vNormel;
+      varying vec3 vPosition;
       varying vec3 vNormal;
-      uniform float glowCenter;
-      uniform float edgeIntensity;
 
       void main()
       {
-        vec3 glow = glowColor * intensity;
+        // Normal
-        float fresnelEffect =  - dot(vNormel, vNormal);
+        vec3 normal = normalize(vNormal);
-        fresnelEffect = clamp(fresnelEffect, 0.1, 1.0);
+        if(!gl_FrontFacing){ normal *= - 1.0; }
-        gl_FragColor = vec4( clamp(glow, 0., 1.0), clamp(glowOpacity - intensity * fresnelEffect, 0., 1.0 ));
+        vec3 viewDirection = normalize(cameraPosition - vPosition);
+        float fresnel = dot(viewDirection, normal);
+        fresnel = pow(fresnel, glowInternalRadius);
+        float falloff = smoothstep(0., falloffAmount, fresnel);
+        float fakeGlow = fresnel;
+        fakeGlow += fresnel * glowSharpness;
+        fakeGlow *= falloff;
+        gl_FragColor = vec4(clamp(glowColor * fresnel, 0., 1.0), clamp(fakeGlow, 0., 1.0));
+
+        #include <tonemapping_fragment>
+        #include <colorspace_fragment>
       }`
     )
-  }, [glowCenter, edgeIntensity, glowColor, glowOpacity, fresnelOpacity, fresnelAmount])
+  }, [falloff, glowInternalRadius, glowColor, glowSharpness])
 
   extend({ FakeGlowMaterial })
 
-  useFrame((state, delta) => {
-    ref.current.time += delta
-  })
-
-  const ref = useRef()
-
   return (
     <fakeGlowMaterial
-      wireframe={wireframe}
       key={FakeGlowMaterial.key}
-      side={BackSide}
+      side={DoubleSide}
       transparent={true}
       blending={AdditiveBlending}
       depthTest={false}
-      ref={ref}
     />
   )
 }

src/components/PlayerController.jsx

@@ -1,310 +1,246 @@
-import { Controls } from "../App";
+import { Controls } from '../App'
-import { BallCollider, RigidBody, useRapier } from "@react-three/rapier";
+import { BallCollider, RigidBody, useRapier } from '@react-three/rapier'
-import {
+import { useKeyboardControls, PerspectiveCamera, ContactShadows, Sphere, OrbitControls, Trail, PositionalAudio } from '@react-three/drei'
-  useKeyboardControls,
+import { useFrame, useThree } from '@react-three/fiber'
-  PerspectiveCamera,
+import { useRef, useState, useEffect, useCallback } from 'react'
-  ContactShadows,
+import * as THREE from 'three'
-  Sphere,
+import { Model } from './models/Racing_kart'
-  OrbitControls,
+import { FrontRightWheel } from './models/Front_Right_Wheel'
-  Trail,
+import { FrontLeftWheel } from './models/Front_Left_Wheel'
-  PositionalAudio,
+import { RearWheels } from './models/Rear_wheels'
-} from "@react-three/drei";
+import gsap from 'gsap'
-import { useFrame, useThree } from "@react-three/fiber";
+import { Mario } from './models/Mario_kart'
-import { useRef, useState, useEffect, useCallback } from "react";
+import { Particles1 } from './Particles1'
-import * as THREE from "three";
+import { DriftParticlesLeft } from './DriftParticlesLeft'
-import { Model } from "./models/Racing_kart";
+import { DriftParticlesRight } from './DriftParticlesRight'
-import { FrontRightWheel } from "./models/Front_Right_Wheel";
+import FakeGlowMaterial from './FakeGlow/FakeGlowMaterial'
-import { FrontLeftWheel } from "./models/Front_Left_Wheel";
+import { PointParticle } from './PointParticle'
-import { RearWheels } from "./models/Rear_wheels";
+import { FlameParticle } from './FlameParticle'
-import gsap from "gsap";
+import { FlameParticles } from './FlameParticles'
-import { Mario } from "./models/Mario_kart";
-import { Particles1 } from "./Particles1";
-import { DriftParticlesLeft } from "./DriftParticlesLeft";
-import { DriftParticlesRight } from "./DriftParticlesRight";
-import FakeGlowMaterial from "./FakeGlow/FakeGlowMaterial";
-import { PointParticle } from "./PointParticle";
-import { FlameParticle } from "./FlameParticle";
-import { FlameParticles } from "./FlameParticles";
 
 export const PlayerController = () => {
-  const upPressed = useKeyboardControls((state) => state[Controls.up]);
+  const upPressed = useKeyboardControls((state) => state[Controls.up])
-  const downPressed = useKeyboardControls((state) => state[Controls.down]);
+  const downPressed = useKeyboardControls((state) => state[Controls.down])
-  const leftPressed = useKeyboardControls((state) => state[Controls.left]);
+  const leftPressed = useKeyboardControls((state) => state[Controls.left])
-  const rightPressed = useKeyboardControls((state) => state[Controls.right]);
+  const rightPressed = useKeyboardControls((state) => state[Controls.right])
-  const jumpPressed = useKeyboardControls((state) => state[Controls.jump]);
+  const jumpPressed = useKeyboardControls((state) => state[Controls.jump])
-  const [isOnGround, setIsOnGround] = useState(false);
+  const [isOnGround, setIsOnGround] = useState(false)
-  const body = useRef();
+  const body = useRef()
-  const kart = useRef();
+  const kart = useRef()
-  const cam = useRef();
+  const cam = useRef()
-  const initialSpeed = 0;
+  const initialSpeed = 0
-  const maxSpeed = 30;
+  const maxSpeed = 30
-  const boostSpeed = 50;
+  const boostSpeed = 50
-  const acceleration = 0.1;
+  const acceleration = 0.1
-  const decceleration = 0.2;
+  const decceleration = 0.2
-  const damping = -0.1;
+  const damping = -0.1
-  const MaxSteeringSpeed = 0.01;
+  const MaxSteeringSpeed = 0.01
-  const [currentSteeringSpeed, setCurrentSteeringSpeed] = useState(0);
+  const [currentSteeringSpeed, setCurrentSteeringSpeed] = useState(0)
-  const [currentSpeed, setCurrentSpeed] = useState(initialSpeed);
+  const [currentSpeed, setCurrentSpeed] = useState(initialSpeed)
-  const camMaxOffset = 1;
+  const camMaxOffset = 1
-  let steeringAngle = 0;
+  let steeringAngle = 0
-  const isOnFloor = useRef(false);
+  const isOnFloor = useRef(false)
-  const jumpForce = useRef(0);
+  const jumpForce = useRef(0)
-  const jumpIsHeld = useRef(false);
+  const jumpIsHeld = useRef(false)
-  const driftDirection = useRef(0);
+  const driftDirection = useRef(0)
-  const driftLeft = useRef(false);
+  const driftLeft = useRef(false)
-  const driftRight = useRef(false);
+  const driftRight = useRef(false)
-  const driftForce = useRef(0);
+  const driftForce = useRef(0)
-  const mario = useRef();
+  const mario = useRef()
-  const accumulatedDriftPower = useRef(0);
+  const accumulatedDriftPower = useRef(0)
-  const blueTurboThreshold = 10;
+  const blueTurboThreshold = 10
-  const orangeTurboThreshold = 30;
+  const orangeTurboThreshold = 30
-  const purpleTurboThreshold = 60;
+  const purpleTurboThreshold = 60
-  const [turboColor, setTurboColor] = useState(0xffffff);
+  const [turboColor, setTurboColor] = useState(0xffffff)
-  const boostDuration = useRef(0);
+  const boostDuration = useRef(0)
-  const [isBoosting, setIsBoosting] = useState(false);
+  const [isBoosting, setIsBoosting] = useState(false)
-  let targetXPosition = 0;
+  let targetXPosition = 0
-  let targetZPosition = 8;
+  let targetZPosition = 8
-  const [steeringAngleWheels, setSteeringAngleWheels] = useState(0);
+  const [steeringAngleWheels, setSteeringAngleWheels] = useState(0)
-  const engineSound = useRef();
+  const engineSound = useRef()
 
-  const [scale, setScale] = useState(0);
+  const [scale, setScale] = useState(0)
 
   useFrame(({ pointer, clock }, delta) => {
-    const time = clock.getElapsedTime();
+    const time = clock.getElapsedTime()
-    if (!body.current && !mario.current) return;
+    if (!body.current && !mario.current) return
 
     // HANDLING AND STEERING
-    const kartRotation =
+    const kartRotation = kart.current.rotation.y - driftDirection.current * driftForce.current
-      kart.current.rotation.y - driftDirection.current * driftForce.current;
+    const forwardDirection = new THREE.Vector3(-Math.sin(kartRotation), 0, -Math.cos(kartRotation))
-    const forwardDirection = new THREE.Vector3(
-      -Math.sin(kartRotation),
-      0,
-      -Math.cos(kartRotation)
-    );
 
     if (leftPressed && currentSpeed > 0) {
-      steeringAngle = currentSteeringSpeed;
+      steeringAngle = currentSteeringSpeed
-      targetXPosition = -camMaxOffset;
+      targetXPosition = -camMaxOffset
     } else if (rightPressed && currentSpeed > 0) {
-      steeringAngle = -currentSteeringSpeed;
+      steeringAngle = -currentSteeringSpeed
-      targetXPosition = camMaxOffset;
+      targetXPosition = camMaxOffset
     } else {
-      steeringAngle = 0;
+      steeringAngle = 0
-      targetXPosition = 0;
+      targetXPosition = 0
-      1;
+      1
     }
 
     // mouse steering
 
-
+    if (!driftLeft.current && !driftRight.current) {
-    if(!driftLeft.current && !driftRight.current){
+      steeringAngle = currentSteeringSpeed * -pointer.x
-      steeringAngle = currentSteeringSpeed * -pointer.x;
+      targetXPosition = -camMaxOffset * -pointer.x
-      targetXPosition = -camMaxOffset * -pointer.x;
+    } else if (driftLeft.current && !driftRight.current) {
-    }
+      steeringAngle = currentSteeringSpeed * -(pointer.x - 0.5)
-
+      targetXPosition = -camMaxOffset * -pointer.x
-    else if (driftLeft.current && !driftRight.current) {
+    } else if (driftRight.current && !driftLeft.current) {
-      steeringAngle = currentSteeringSpeed * -(pointer.x - 0.5);
+      steeringAngle = currentSteeringSpeed * -(pointer.x + 0.5)
-      targetXPosition = -camMaxOffset * -pointer.x;
+      targetXPosition = -camMaxOffset * -pointer.x
-    }
-    else if (driftRight.current && !driftLeft.current) {
-      steeringAngle = currentSteeringSpeed * -(pointer.x + 0.5);
-      targetXPosition = -camMaxOffset * -pointer.x;
     }
     // ACCELERATING
 
     if (upPressed && currentSpeed < maxSpeed) {
       // Accelerate the kart within the maximum speed limit
-      setCurrentSpeed(Math.min(currentSpeed + acceleration * delta * 144, maxSpeed));
+      setCurrentSpeed(Math.min(currentSpeed + acceleration * delta * 144, maxSpeed))
-    } else if (
+    } else if (upPressed && currentSpeed > maxSpeed && boostDuration.current > 0) {
-      upPressed &&
+      setCurrentSpeed(Math.max(currentSpeed - decceleration * delta * 144, maxSpeed))
-      currentSpeed > maxSpeed &&
-      boostDuration.current > 0
-    ) {
-      setCurrentSpeed(Math.max(currentSpeed - decceleration * delta * 144, maxSpeed));
     }
 
     if (upPressed) {
       if (currentSteeringSpeed < MaxSteeringSpeed) {
-        setCurrentSteeringSpeed(
+        setCurrentSteeringSpeed(Math.min(currentSteeringSpeed + 0.0001 * delta * 144, MaxSteeringSpeed))
-          Math.min(currentSteeringSpeed + 0.0001 * delta * 144, MaxSteeringSpeed)
-        );
       }
     }
     // REVERSING
     if (downPressed && currentSpeed < -maxSpeed) {
-      setCurrentSpeed(Math.max(currentSpeed - acceleration * delta * 144, -maxSpeed));
+      setCurrentSpeed(Math.max(currentSpeed - acceleration * delta * 144, -maxSpeed))
     }
     // DECELERATING
     else if (!upPressed && !downPressed) {
       if (currentSteeringSpeed > 0) {
-        setCurrentSteeringSpeed(Math.max(currentSteeringSpeed - 0.00005 * delta * 144, 0));
+        setCurrentSteeringSpeed(Math.max(currentSteeringSpeed - 0.00005 * delta * 144, 0))
       } else if (currentSteeringSpeed < 0) {
-        setCurrentSteeringSpeed(Math.min(currentSteeringSpeed + 0.00005 * delta * 144, 0));
+        setCurrentSteeringSpeed(Math.min(currentSteeringSpeed + 0.00005 * delta * 144, 0))
       }
-      setCurrentSpeed(Math.max(currentSpeed - decceleration * delta * 144, 0));
+      setCurrentSpeed(Math.max(currentSpeed - decceleration * delta * 144, 0))
     }
 
     // Update the kart's rotation based on the steering angle
-    kart.current.rotation.y += steeringAngle * delta * 144;
+    kart.current.rotation.y += steeringAngle * delta * 144
 
     // Apply damping to simulate slowdown when no keys are pressed
     body.current.applyImpulse(
       {
         x: -body.current.linvel().x * (1 - damping) * delta * 144,
         y: 0,
-        z: -body.current.linvel().z * (1 - damping) * delta * 144,
+        z: -body.current.linvel().z * (1 - damping) * delta * 144
       },
       true
-    );
+    )
-    const bodyPosition = body.current.translation();
+    const bodyPosition = body.current.translation()
-    kart.current.position.set(
+    kart.current.position.set(bodyPosition.x, bodyPosition.y - 0.5, bodyPosition.z)
-      bodyPosition.x,
-      bodyPosition.y - 0.5,
-      bodyPosition.z
-    );
 
     // JUMPING
     if (jumpPressed && isOnFloor.current && !jumpIsHeld.current) {
-      jumpForce.current += 10 ;
+      jumpForce.current += 10
-      isOnFloor.current = false;
+      isOnFloor.current = false
-      jumpIsHeld.current = true;
+      jumpIsHeld.current = true
     }
 
     if (!isOnFloor.current && jumpForce.current > 0) {
-      jumpForce.current -= 1 * delta * 144;
+      jumpForce.current -= 1 * delta * 144
     }
     if (!jumpPressed) {
-      jumpIsHeld.current = false;
+      jumpIsHeld.current = false
-      driftDirection.current = 0;
+      driftDirection.current = 0
-      driftForce.current = 0;
+      driftForce.current = 0
-      driftLeft.current = false;
+      driftLeft.current = false
-      driftRight.current = false;
+      driftRight.current = false
     }
     // DRIFTING
-    if (
+    if (jumpIsHeld.current && currentSteeringSpeed > 0 && pointer.x < -0.1 && !driftRight.current) {
-      jumpIsHeld.current &&
+      driftLeft.current = true
-      currentSteeringSpeed > 0 &&
-      pointer.x < -0.1 &&
-      !driftRight.current
-    ) {
-      driftLeft.current = true;
     }
-    if (
+    if (jumpIsHeld.current && currentSteeringSpeed > 0 && pointer.x > 0.1 && !driftLeft.current) {
-      jumpIsHeld.current &&
+      driftRight.current = true
-      currentSteeringSpeed > 0 &&
-      pointer.x > 0.1 &&
-      !driftLeft.current
-    ) {
-      driftRight.current = true;
     }
 
     if (!jumpIsHeld.current && !driftLeft.current && !driftRight.current) {
-      mario.current.rotation.y = THREE.MathUtils.lerp(
+      mario.current.rotation.y = THREE.MathUtils.lerp(mario.current.rotation.y, 0, 0.0001 * delta * 144)
-        mario.current.rotation.y,
+      setTurboColor(0xffffff)
-        0,
+      accumulatedDriftPower.current = 0
-        0.0001 * delta * 144
-      );
-      setTurboColor(0xffffff);
-      accumulatedDriftPower.current = 0;
     }
 
     if (driftLeft.current) {
-      driftDirection.current = 1;
+      driftDirection.current = 1
-      driftForce.current = 0.4;
+      driftForce.current = 0.4
-      mario.current.rotation.y = THREE.MathUtils.lerp(
+      mario.current.rotation.y = THREE.MathUtils.lerp(mario.current.rotation.y, steeringAngle * 50 + 0.5, 0.05 * delta * 144)
-        mario.current.rotation.y,
+      accumulatedDriftPower.current += 0.1 * (steeringAngle + 1) * delta * 144
-        steeringAngle * 50 + 0.5,
-        0.05 * delta * 144
-      );
-      accumulatedDriftPower.current += 0.1 * (steeringAngle + 1) * delta * 144;
     }
     if (driftRight.current) {
-      driftDirection.current = -1;
+      driftDirection.current = -1
-      driftForce.current = 0.4;
+      driftForce.current = 0.4
-      mario.current.rotation.y = THREE.MathUtils.lerp(
+      mario.current.rotation.y = THREE.MathUtils.lerp(mario.current.rotation.y, -(-steeringAngle * 50 + 0.5), 0.05 * delta * 144)
-        mario.current.rotation.y,
+      accumulatedDriftPower.current += 0.1 * (-steeringAngle + 1) * delta * 144
-        -(-steeringAngle * 50 + 0.5),
-        0.05 * delta * 144
-      );
-      accumulatedDriftPower.current += 0.1 * (-steeringAngle + 1) * delta * 144 ;
     }
     if (!driftLeft.current && !driftRight.current) {
-      mario.current.rotation.y = THREE.MathUtils.lerp(
+      mario.current.rotation.y = THREE.MathUtils.lerp(mario.current.rotation.y, steeringAngle * 30, 0.05 * delta * 144)
-        mario.current.rotation.y,
+      setScale(0)
-        steeringAngle * 30,
-        0.05 * delta * 144
-      );
-      setScale(0);
     }
     if (accumulatedDriftPower.current > blueTurboThreshold) {
-      setTurboColor(0x00ffff);
+      setTurboColor(0x00ffff)
-      boostDuration.current = 50;
+      boostDuration.current = 50
     }
     if (accumulatedDriftPower.current > orangeTurboThreshold) {
-      setTurboColor(0xffcf00);
+      setTurboColor(0xffcf00)
-      boostDuration.current = 100;
+      boostDuration.current = 100
     }
     if (accumulatedDriftPower.current > purpleTurboThreshold) {
-      setTurboColor(0xff00ff);
+      setTurboColor(0xff00ff)
-      boostDuration.current = 250;
+      boostDuration.current = 250
     }
 
     if (driftLeft.current || driftRight.current) {
-      const oscillation = Math.sin(time * 1000) * 0.1 ;
+      const oscillation = Math.sin(time * 1000) * 0.1
 
-      const vibration = oscillation + 0.9;
-      
       if (turboColor === 0xffffff) {
-        setScale(vibration * 0.8);
+        setScale(vibration * 0.8)
       } else {
-        setScale(vibration);
+        setScale(vibration)
       }
     }
     // RELEASING DRIFT
 
     if (boostDuration.current > 1 && !jumpIsHeld.current) {
-      setCurrentSpeed(boostSpeed);
+      setCurrentSpeed(boostSpeed)
-      boostDuration.current -= 1 * delta * 144;
+      boostDuration.current -= 1 * delta * 144
-      targetZPosition = 10;
+      targetZPosition = 10
-      setIsBoosting(true);
+      setIsBoosting(true)
-    } else if (boostDuration.current <= 1 ) {
+    } else if (boostDuration.current <= 1) {
-      targetZPosition = 8;
+      targetZPosition = 8
-      setIsBoosting(false);
+      setIsBoosting(false)
     }
 
     // CAMERA WORK
 
-    cam.current.updateMatrixWorld();
+    cam.current.updateMatrixWorld()
 
-    cam.current.position.x = THREE.MathUtils.lerp(
+    cam.current.position.x = THREE.MathUtils.lerp(cam.current.position.x, targetXPosition, 0.01 * delta * 144)
-      cam.current.position.x,
-      targetXPosition,
-      0.01 * delta * 144
-    );
 
-    cam.current.position.z = THREE.MathUtils.lerp(
+    cam.current.position.z = THREE.MathUtils.lerp(cam.current.position.z, targetZPosition, 0.01 * delta * 144)
-      cam.current.position.z,
-      targetZPosition,
-      0.01 * delta * 144
-    );
 
     body.current.applyImpulse(
       {
         x: forwardDirection.x * currentSpeed * delta * 144,
         y: 0 + jumpForce.current * delta * 144,
-        z: forwardDirection.z * currentSpeed * delta * 144,
+        z: forwardDirection.z * currentSpeed * delta * 144
       },
       true
-    );
+    )
 
     // Update the kart's rotation based on the steering angle
-    setSteeringAngleWheels(steeringAngle * 25);
+    setSteeringAngleWheels(steeringAngle * 25)
 
-    // SOUND WORK 
+    // SOUND WORK
 
-
+    // console.log(body.current.translation())
-    console.log(body.current.translation())
+  })
-  });
 
   return (
     <group>
@@ -319,16 +255,19 @@ export const PlayerController = () => {
           args={[0.5]}
           mass={3}
           onCollisionEnter={(event) => {
-            isOnFloor.current = true;
+            isOnFloor.current = true
           }}
         />
         onCollisionEnter=
         {(event) => {
-          isOnFloor.current = false;
+          isOnFloor.current = false
         }}
       </RigidBody>
 
-      <group ref={kart} rotation={[0, Math.PI / 2, 0]}>
+      <group
+        ref={kart}
+        rotation={[0, Math.PI / 2, 0]}
+      >
         <group ref={mario}>
           <Mario
             currentSpeed={currentSpeed}
@@ -341,7 +280,10 @@ export const PlayerController = () => {
             distance={1}
           />
 
-          <mesh position={[0.6, 0.05, 0.5]} scale={scale}>
+          <mesh
+            position={[0.6, 0.05, 0.5]}
+            scale={scale}
+          >
             <sphereGeometry args={[0.1, 16, 16]} />
             <meshStandardMaterial
               emissive={turboColor}
@@ -357,7 +299,10 @@ export const PlayerController = () => {
             color={turboColor}
             distance={1}
           />
-          <mesh position={[-0.6, 0.05, 0.5]} scale={scale}>
+          <mesh
+            position={[-0.6, 0.05, 0.5]}
+            scale={scale}
+          >
             <sphereGeometry args={[0.1, 16, 16]} />
             <meshStandardMaterial
               emissive={turboColor}
@@ -368,13 +313,35 @@ export const PlayerController = () => {
             />
           </mesh>
           {/* <Flame/> */}
-          <FlameParticles isBoosting={isBoosting}/>
+          <FlameParticles isBoosting={isBoosting} />
-          <DriftParticlesLeft turboColor={turboColor} scale={scale} />
+          <DriftParticlesLeft
-          <DriftParticlesRight turboColor={turboColor} scale={scale} />
+            turboColor={turboColor}
-          <PointParticle position={[-0.6, 0.05, 0.5]} png="./circle.png" turboColor={turboColor}/>
+            scale={scale}
-          <PointParticle position={[0.6, 0.05, 0.5]} png="./circle.png" turboColor={turboColor}/>
+          />
-          <PointParticle position={[-0.6, 0.05, 0.5]} png="./star.png" turboColor={turboColor}/>
+          <DriftParticlesRight
-          <PointParticle position={[0.6, 0.05, 0.5]} png="./star.png" turboColor={turboColor}/>
+            turboColor={turboColor}
+            scale={scale}
+          />
+          <PointParticle
+            position={[-0.6, 0.05, 0.5]}
+            png='./circle.png'
+            turboColor={turboColor}
+          />
+          <PointParticle
+            position={[0.6, 0.05, 0.5]}
+            png='./circle.png'
+            turboColor={turboColor}
+          />
+          <PointParticle
+            position={[-0.6, 0.05, 0.5]}
+            png='./star.png'
+            turboColor={turboColor}
+          />
+          <PointParticle
+            position={[0.6, 0.05, 0.5]}
+            png='./star.png'
+            turboColor={turboColor}
+          />
         </group>
 
         {/* <ContactShadows frames={1} /> */}
@@ -385,8 +352,7 @@ export const PlayerController = () => {
           ref={cam}
         />
         {/* <PositionalAudio ref={engineSound} url="./sounds/engine.wav" autoplay loop distance={10}/> */}
-
       </group>
     </group>
-  );
+  )
-};
+}

src/components/models/Mario_kart.jsx

@@ -4,10 +4,12 @@ Command: npx gltfjsx@6.2.16 .\mariokarttest.glb --shadows
 */
 
 import React, { useRef } from 'react'
-import { useGLTF } from '@react-three/drei'
+import { Cylinder, OrbitControls, Sphere, useGLTF } from '@react-three/drei'
 import { useFrame } from '@react-three/fiber'
+import FakeGlowMaterial from '../FakeGlow/FakeGlowMaterial'
+import FakeFlame from '../FakeFlame/FakeFlame'
 
-export function Mario({currentSpeed, steeringAngleWheels, ...props}) {
+export function Mario({ currentSpeed, steeringAngleWheels, ...props }) {
   const { nodes, materials } = useGLTF('./models/mariokarttest.glb')
 
   const frontLeftWheel = useRef()
@@ -21,17 +23,75 @@ export function Mario({currentSpeed, steeringAngleWheels, ...props}) {
     frontRightWheel.current.rotation.x += rotation
     rearWheels.current.rotation.x += rotation
     frontWheels.current.rotation.y = steeringAngleWheels
-
   })
   return (
-    <group {...props} rotation={[0, Math.PI, 0]} dispose={null}>
+    <group
-      <mesh castShadow receiveShadow geometry={nodes.mt_kart_Mario_S.geometry} material={materials.mt_kart_Mario_S} />
+      {...props}
-      <mesh ref={rearWheels} castShadow receiveShadow geometry={nodes.mt_Kart_Mario_Tire_S001.geometry} material={materials.mt_Kart_Mario_Tire_S} position={[0, 0.22, -0.347]} />
+      rotation={[0, Math.PI, 0]}
-      <group ref={frontWheels} >
+      dispose={null}
-      <mesh ref={frontLeftWheel} castShadow receiveShadow geometry={nodes.mt_Kart_Mario_Tire_S002.geometry} material={materials.mt_Kart_Mario_Tire_S} position={[0.370, 0.193, 0.441]} />
+    >
-      <mesh ref={frontRightWheel} castShadow receiveShadow geometry={nodes.mt_Kart_Mario_Tire_S003.geometry} material={materials.mt_Kart_Mario_Tire_S} position={[-0.370, 0.193, 0.441]} rotation={[-Math.PI, 0, 0]} scale={-1} />
+      <mesh
+        castShadow
+        receiveShadow
+        geometry={nodes.mt_kart_Mario_S.geometry}
+        material={materials.mt_kart_Mario_S}
+      />
+      <mesh
+        ref={rearWheels}
+        castShadow
+        receiveShadow
+        geometry={nodes.mt_Kart_Mario_Tire_S001.geometry}
+        material={materials.mt_Kart_Mario_Tire_S}
+        position={[0, 0.22, -0.347]}
+      />
+      <group ref={frontWheels}>
+        <mesh
+          ref={frontLeftWheel}
+          castShadow
+          receiveShadow
+          geometry={nodes.mt_Kart_Mario_Tire_S002.geometry}
+          material={materials.mt_Kart_Mario_Tire_S}
+          position={[0.37, 0.193, 0.441]}
+        />
+        <mesh
+          ref={frontRightWheel}
+          castShadow
+          receiveShadow
+          geometry={nodes.mt_Kart_Mario_Tire_S003.geometry}
+          material={materials.mt_Kart_Mario_Tire_S}
+          position={[-0.37, 0.193, 0.441]}
+          rotation={[-Math.PI, 0, 0]}
+          scale={-1}
+        />
       </group>
-      <mesh castShadow receiveShadow geometry={nodes.mt_mario.geometry} material={materials.mt_mario} />
+      <mesh
+        castShadow
+        receiveShadow
+        geometry={nodes.mt_mario.geometry}
+        material={materials.mt_mario}
+      />
+      <Sphere
+        position={[0, 0.6, -1.2]}
+        scale={1.2}
+      >
+        <FakeGlowMaterial />
+      </Sphere>
+
+      <Cylinder
+        args={[0.1, 0.5, 1, 128, 64, true]}
+        position={[0.3, 0.6, -1.2]}
+        rotation={[Math.PI / 1.5, 0, 0]}
+      >
+        <FakeFlame />
+      </Cylinder>
+
+      <Cylinder
+        args={[0.1, 0.5, 1, 128, 64, true]}
+        position={[-0.3, 0.6, -1.2]}
+        rotation={[Math.PI / 1.5, 0, 0]}
+      >
+        <FakeFlame />
+      </Cylinder>
     </group>
   )
 }