<PositionalAudio>

<script lang="ts">
  import { Canvas } from '@threlte/core'
  import Scene from './Scene.svelte'
</script>

<div>
  <Canvas>
    <Scene />
  </Canvas>
</div>

<style>
  div {
    height: 100%;
  }
</style>

<script lang="ts">
  import { T, forwardEventHandlers } from '@threlte/core'
  import { Edges, Text, useCursor } from '@threlte/extras'
  import { spring } from 'svelte/motion'
  import { DEG2RAD } from 'three/src/math/MathUtils.js'

  export let text: string

  const buttonOffsetY = spring(0)

  let buttonColor = '#111111'
  let textColor = '#eedbcb'

  const { onPointerEnter, onPointerLeave } = useCursor()

  const component = forwardEventHandlers()
</script>

<T.Group {...$$restProps}>
  <T.Group position.y={0.05 - $buttonOffsetY}>
    <T.Mesh
      bind:this={$component}
      on:pointerenter={(e) => {
        e.stopPropagation()
        buttonColor = '#eedbcb'
        textColor = '#111111'
        onPointerEnter()
      }}
      on:pointerleave={(e) => {
        e.stopPropagation()
        buttonColor = '#111111'
        textColor = '#eedbcb'
        buttonOffsetY.set(0)
        onPointerLeave()
      }}
      on:pointerdown={(e) => {
        e.stopPropagation()
        buttonOffsetY.set(0.05)
      }}
      on:pointerup={(e) => {
        e.stopPropagation()
        buttonOffsetY.set(0)
      }}
    >
      <T.BoxGeometry args={[1.2, 0.1, 0.8]} />
      <T.MeshStandardMaterial color={buttonColor} />

      <Edges
        color="black"
        raycast={() => {
          return false
        }}
      />
    </T.Mesh>
    <Text
      renderOrder={-100}
      ignorePointer
      color={textColor}
      {text}
      rotation.x={DEG2RAD * -90}
      position.y={0.055}
      fontSize={0.35}
      anchorX="50%"
      anchorY="50%"
    />
  </T.Group>
</T.Group>

import type { Events, Props, Slots } from '@threlte/core'
import { SvelteComponent } from 'svelte'
import type { Group } from 'three'

export default class Button extends SvelteComponent<Props<Group>, Events<Group>, Slots<Group>> {}

<script lang="ts">
  import { T, useTask } from '@threlte/core'
  import { Edges, useGltf } from '@threlte/extras'
  import { derived } from 'svelte/store'
  import { Color, type Mesh } from 'three'

  export let discSpeed = 0

  let discRotation = 0
  const { start, stop, started } = useTask(
    (delta) => {
      discRotation += delta * discSpeed
    },
    {
      autoStart: false
    }
  )
  $: {
    if (discSpeed <= 0 && $started) stop()
    else if (discSpeed > 0 && !$started) start()
  }

  const gltf = useGltf<{
    nodes: {
      Logo: Mesh
    }
    materials: {}
  }>('/models/turntable/disc-logo.glb')
  const logoGeometry = derived(gltf, (gltf) => {
    if (!gltf) return undefined
    const mesh = gltf.nodes.Logo as Mesh
    return mesh.geometry
  })
</script>

<T.Group {...$$restProps}>
  <T.Group rotation.y={-discRotation}>
    <!-- DISH (?) -->
    <T.Mesh
      receiveShadow
      castShadow
      position.y={0.1}
    >
      <T.CylinderGeometry args={[1.85, 2, 0.2, 64]} />
      <T.MeshStandardMaterial color="#111111" />
      <Edges
        color="black"
        thresholdAngle={20}
      />
    </T.Mesh>

    <!-- ACTUAL DISC -->
    <T.Mesh
      receiveShadow
      castShadow
      position.y={0.2 + 0.05}
    >
      <T.CylinderGeometry args={[1.75, 1.75, 0.05, 64]} />
      <T.MeshStandardMaterial color="#111111" />
      <Edges
        thresholdAngle={50}
        scale={1}
        color="black"
      />
    </T.Mesh>

    <!-- ROUND LABEL -->
    <T.Mesh
      receiveShadow
      castShadow
      position.y={0.2 + 0.05 + 0.005}
    >
      <T.CylinderGeometry args={[0.8, 0.8, 0.05, 64]} />
      <T.MeshStandardMaterial color="#eedbcb" />
      <Edges
        thresholdAngle={50}
        scale={1}
        color="black"
      />
    </T.Mesh>

    <!-- LOGO -->
    {#if $logoGeometry}
      <T.Mesh
        geometry={$logoGeometry}
        position.y={0.2 + 0.05 + 0.025 + 0.01}
      >
        <T.MeshBasicMaterial
          color={new Color('#ff3e00')}
          toneMapped={false}
        />
      </T.Mesh>
    {/if}
  </T.Group>
</T.Group>

import type { Events, Props, Slots } from '@threlte/core'
import { SvelteComponent } from 'svelte'
import type { Group } from 'three'

export default class Disc extends SvelteComponent<Props<Group>, Events<Group>, Slots<Group>> {}

<script lang="ts">
  import { T, useThrelte } from '@threlte/core'
  import { AudioListener, Environment, interactivity, OrbitControls } from '@threlte/extras'
  import { spring } from 'svelte/motion'
  import { DEG2RAD } from 'three/src/math/MathUtils.js'
  import Speaker from './Speaker.svelte'
  import Turntable from './Turntable.svelte'

  let volume = 0
  let isPlaying = false

  const smoothVolume = spring(0)
  $: smoothVolume.set(volume)

  const { size } = useThrelte()

  let zoom = $size.width / 18
  $: zoom = $size.width / 18

  interactivity({
    filter: (hits) => {
      // only return first hit, we don't care
      // about propagation in this example
      return hits.slice(0, 1)
    }
  })
</script>

<Environment
  path="/hdr/"
  files="shanghai_riverside_1k.hdr"
/>

<T.OrthographicCamera
  {zoom}
  makeDefault
  on:create={({ ref }) => {
    ref.position.set(6, 9, 9)
    ref.lookAt(0, 1.5, 0)
  }}
>
  <OrbitControls
    autoRotate={isPlaying}
    autoRotateSpeed={0.5}
    enableDamping
    maxPolarAngle={DEG2RAD * 80}
    target.y={1.5}
  />
  <AudioListener />
</T.OrthographicCamera>

<!-- FLOOR -->
<T.Mesh
  receiveShadow
  rotation.x={DEG2RAD * -90}
>
  <T.CircleGeometry args={[10, 64]} />
  <T.MeshStandardMaterial color="#333333" />
</T.Mesh>

<Turntable
  bind:isPlaying
  bind:volume
/>

<Speaker
  position.x={6}
  rotation.y={DEG2RAD * -7}
  {volume}
/>
<Speaker
  position.x={-6}
  rotation.y={DEG2RAD * 7}
  {volume}
/>

<T.DirectionalLight
  castShadow
  shadow.camera.left={-10}
  shadow.camera.bottom={-10}
  shadow.camera.right={10}
  shadow.camera.top={10}
  position={[10, 20, 8]}
  intensity={0.3}
/>

<script lang="ts">
  import { T } from '@threlte/core'
  import { Edges } from '@threlte/extras'
  import { cubicIn, cubicOut } from 'svelte/easing'
  import { tweened } from 'svelte/motion'
  import { DEG2RAD } from 'three/src/math/MathUtils.js'

  export let volume: number = 0

  let jumpOffsetY = tweened(0)
  let jumpRotationX = tweened(0)
  let jumpRotationZ = tweened(0)
  let isJumping = false

  const randomSign = () => Math.round(Math.random()) * 2 - 1

  const jump = () => {
    isJumping = true
    const upDuration = 10 + Math.random() * 50

    jumpOffsetY.set(0.2, {
      duration: upDuration,
      easing: cubicOut
    })
    jumpRotationX.set(Math.random() * 4 * randomSign(), {
      duration: upDuration,
      easing: cubicOut
    })
    jumpRotationZ.set(Math.random() * 4 * randomSign(), {
      duration: upDuration,
      easing: cubicOut
    })

    setTimeout(() => {
      const downDuration = 40 + Math.random() * 70

      jumpOffsetY.set(0, {
        duration: downDuration,
        easing: cubicIn
      })
      jumpRotationX.set(0, {
        duration: downDuration,
        easing: cubicIn
      })
      jumpRotationZ.set(0, {
        duration: downDuration,
        easing: cubicIn
      })

      setTimeout(() => {
        isJumping = false
      }, downDuration * 1.5)
    }, upDuration)
  }

  $: if (volume > 0.25 && !isJumping) jump()
</script>

<T.Group {...$$restProps}>
  <T.Group
    position.y={$jumpOffsetY}
    rotation.z={DEG2RAD * $jumpRotationZ}
    rotation.x={DEG2RAD * $jumpRotationX}
  >
    <!-- CASE -->
    <T.Mesh
      castShadow
      receiveShadow
      position.y={2.5}
    >
      <T.BoxGeometry args={[3, 5, 3]} />
      <T.MeshStandardMaterial color="#eedbcb" />
      <Edges
        color={'black'}
        scale={1.001}
      />
    </T.Mesh>

    <!-- CONE -->
    <T.Mesh
      position.z={1.1}
      position.y={3.5}
      scale={1 + volume}
      rotation.x={DEG2RAD * -90}
    >
      <T.ConeGeometry args={[1, 1, 64]} />
      <T.MeshStandardMaterial
        flatShading
        color="#111111"
      />
      <Edges
        color="black"
        scale={1.001}
        thresholdAngle={20}
      />
    </T.Mesh>
  </T.Group>
</T.Group>

import type { Events, Props, Slots } from '@threlte/core'
import { SvelteComponent } from 'svelte'
import type { Group } from 'three'

export default class Speaker extends SvelteComponent<Props<Group>, Events<Group>, Slots<Group>> {}

<script lang="ts">
  import { T, useTask } from '@threlte/core'
  import { Edges, PositionalAudio, useAudioListener, useCursor, useGltf } from '@threlte/extras'
  import { spring, tweened } from 'svelte/motion'
  import {
    BufferGeometry,
    CylinderGeometry,
    DoubleSide,
    Mesh,
    MeshStandardMaterial,
    PositionalAudio as ThreePositionalAudio
  } from 'three'
  import { DEG2RAD } from 'three/src/math/MathUtils.js'
  import Button from './Button.svelte'
  import Disc from './Disc.svelte'

  let discSpeed = tweened(0, {
    duration: 1e3
  })

  let armPos = spring(0)

  let started = false
  export let isPlaying = false

  export const toggle = async () => {
    if (!started) {
      await context.resume()
      started = true
    }
    if (isPlaying) {
      discSpeed.set(0)
      armPos.set(0)
      isPlaying = false
    } else {
      discSpeed.set(1)
      armPos.set(1)
      isPlaying = true
    }
  }

  let audio: ThreePositionalAudio
  const { context } = useAudioListener()
  const analyser = context.createAnalyser()
  $: if (audio) audio.getOutput().connect(analyser)
  const pcmData = new Float32Array(analyser.fftSize)
  export let volume = 0
  useTask(() => {
    if (!audio) return
    analyser.getFloatTimeDomainData(pcmData)
    let sumSquares = 0.0
    for (const amplitude of pcmData) {
      sumSquares += amplitude * amplitude
    }
    volume = Math.sqrt(sumSquares / pcmData.length)
  })

  let sideA = '/audio/side_a.mp3'
  let sideB = '/audio/side_b.mp3'
  let source = sideA
  const changeSide = () => {
    source = source === sideA ? sideB : sideA
  }

  let coverOpen = false
  const coverAngle = spring(0)
  $: {
    if (coverOpen) coverAngle.set(80)
    else coverAngle.set(0)
  }

  const { onPointerEnter, onPointerLeave } = useCursor()

  const gltf = useGltf<{
    nodes: {
      Cover: Mesh
    }
    materials: {}
  }>('/models/turntable/cover.glb')
  let coverGeometry: BufferGeometry | undefined
  $: if ($gltf) {
    const coverMesh = $gltf.nodes.Cover as Mesh
    coverGeometry = coverMesh.geometry
  }
</script>

<T.Group {...$$restProps}>
  <!-- DISC -->
  <Disc
    position.x={0.5}
    position.y={1.01}
    discSpeed={$discSpeed}
  />

  <!-- CASE -->
  <T.Mesh
    receiveShadow
    castShadow
    position.y={0.5}
  >
    <T.BoxGeometry args={[6, 1, 4.4]} />
    <T.MeshStandardMaterial color="#eedbcb" />
    <Edges
      scale={1.001}
      color="black"
    />
  </T.Mesh>

  <!-- COVER -->
  <T.Group
    position.y={1}
    position.z={-2.2}
    rotation.x={-$coverAngle * DEG2RAD}
  >
    {#if coverGeometry}
      <T.Mesh
        geometry={coverGeometry}
        scale={[3, 0.5, 2.2]}
        position.y={0.5}
        position.z={2.2}
        on:click={() => (coverOpen = !coverOpen)}
        on:pointerenter={onPointerEnter}
        on:pointerleave={onPointerLeave}
      >
        <T.MeshStandardMaterial
          color="#ffffff"
          roughness={0.08}
          metalness={0.8}
          envMapIntensity={1}
          side={DoubleSide}
          transparent
          opacity={0.65}
        />
        <Edges color="white" />
      </T.Mesh>
    {/if}
  </T.Group>

  <!-- SIDE BUTTON -->
  <Button
    position={[-2.3, 1.01, 0.8]}
    on:click={changeSide}
    text={source === sideA ? 'SIDE B' : 'SIDE A'}
  />

  <!-- PLAY/PAUSE BUTTON -->
  <Button
    position={[-2.3, 1.01, 1.7]}
    on:click={toggle}
    text={isPlaying ? 'PAUSE' : 'PLAY'}
  />

  <!-- ARM -->
  <T.Group
    position={[2.5, 1.55, -1.8]}
    rotation.z={DEG2RAD * 90}
    rotation.y={DEG2RAD * 90 - $armPos * 0.3}
  >
    <T.Mesh
      castShadow
      material={new MeshStandardMaterial({
        color: 0xffffff
      })}
      geometry={new CylinderGeometry(0.1, 0.1, 3, 12)}
      position.y={1.5}
    >
      <T.CylinderGeometry args={[0.1, 0.1, 3, 12]} />
      <T.MeshStandardMaterial color="#ffffff" />
      <Edges
        color="black"
        thresholdAngle={80}
      />
    </T.Mesh>
  </T.Group>

  {#if started}
    <PositionalAudio
      autoplay
      bind:ref={audio}
      refDistance={15}
      loop
      playbackRate={$discSpeed}
      src={source}
      directionalCone={{
        coneInnerAngle: 90,
        coneOuterAngle: 220,
        coneOuterGain: 0.3
      }}
    />
  {/if}
</T.Group>

import type { Events, Props, Slots } from '@threlte/core'
import { SvelteComponent } from 'svelte'
import type { Group } from 'three'

export default class Turntable extends SvelteComponent<Props<Group>, Events<Group>, Slots<Group>> {}