super_video/src/views/basic-elements/camera-movement/index.vue

<script lang="ts" setup>
import { computed, nextTick, ref } from 'vue'
import { useRouter } from 'vue-router'
import ImgButton from '@/components/Button/ImgButton.vue'
import { StepNavigation } from '@/components/Guide'
import { Video } from '@/components'
import { getBackgroundImage, getPublicPath, getStaticImage, IMAGE_PATHS } from '@/utils'
// 运镜初识 - 暂时用运镜的基本方式代替
import video1 from '/video/new/xinshou_yunjingdejibenfangshi.mp4'
import video2 from '/video/new/xinshou_zhengquedeshoujipaishe.mp4'
import video3 from '/video/new/xinshou_yunjingdejibenfangshi.mp4'
import { GuideSteps, GuideStepsItem } from '@/components/Guide'

const router = useRouter()
const props = defineProps<{
  label: string
}>()

// 受控播放开关（用于切换到下一个视频时自动播放）
const playing = ref(false)
const status = ref(false)

const showCameraMovementGuide = ref(false)
const cameraMovementGuideShown = ref(false)

const handleIntroGuideComplete = () => {
  nextTick(() => {
    playing.value = true
  })
}

const handleCameraMovementGuideComplete = () => {
  showCameraMovementGuide.value = false
  cameraMovementGuideShown.value = true
  nextTick(() => {
    playing.value = true
  })
}

// 步骤导航数据
const navigationSteps = ref([
  // {
  //   id: 'step1',
  //   label: '视觉素养',
  //   content: '运镜初识',
  //   type: 'planning' as const
  // },
  {
    id: 'step2',
    label: '视觉素养',
    content: '正确的手机拍摄持机姿势',
    type: 'planning' as const
  },
  {
    id: 'step3',
    label: '视觉素养',
    content: '运镜的基本方式',
    type: 'planning' as const
  }
])

// 步骤导航相关状态
const showStepNavigation = ref(false)
const currentNavigationStep = ref(0) // 对应视频索引，从0开始

// 视频列表
const videoList = [video2, video3]
const currentVideoIndex = ref(0)

//按顺序播放
const currentVideo = computed(() => videoList[currentVideoIndex.value])
const handleVideoChange = () => {
  if (currentVideoIndex.value < videoList.length - 1) {
    currentVideoIndex.value++
    currentNavigationStep.value = currentVideoIndex.value
  } else {
    status.value = true
    return
  }

  // 切到“运镜的基本方式”（index 1）时，先暂停并展示引导对话
  if (currentVideoIndex.value === 1 && !cameraMovementGuideShown.value) {
    playing.value = false
    showCameraMovementGuide.value = true
    return
  }

  nextTick(() => {
    // 使用受控播放来触发下一个视频自动播放
    playing.value = true
  })
}

const handleClose = () => {
  router.back()
}

const label = computed(() => props.label as string)

const handlePlay = () => {}

const onEnded = () => {
  handleVideoChange()
}

// 步骤导航事件处理
const handleStepClick = (index: number) => {
  currentVideoIndex.value = index
  currentNavigationStep.value = index
  nextTick(() => {
    playing.value = true
  })
}

const handleStepNavigationClose = () => {
  showStepNavigation.value = false
}
</script>

<template>
  <div class="w-full h-full relative bg-white/10">
    <ImgButton
      class="absolute right-0 top-0 z-10"
      :image="IMAGE_PATHS.COMPONENTS.BACK"
      @click="handleClose"
    />
    <!-- 步骤导航按钮 -->
    <button
      class="absolute right-4 top-1/2 z-10 -translate-y-1/2 w-12 h-12 bg-blue-500/80 hover:bg-blue-500 rounded-full flex items-center justify-center text-white transition-all duration-200"
      @click="showStepNavigation = true"
      title="步骤导航"
    >
      <svg width="20" height="20" viewBox="0 0 20 20" fill="none">
        <path
          d="M3 4H17M3 8H17M3 12H17M3 16H17"
          stroke="currentColor"
          stroke-width="2"
          stroke-linecap="round"
        />
      </svg>
    </button>

    <Video
      :src="currentVideo"
      v-model="playing"
      :muted="false"
      :volume="1"
      :controls="true"
      :hideNativeControls="true"
      :anchors="[]"
      @play="handlePlay"
      @ended="onEnded"
    >
      <template v-slot:overlay>
        <ImgButton
          class="absolute right-0 top-0 z-10 pointer-events-auto"
          :image="IMAGE_PATHS.COMPONENTS.BACK"
          @click="handleClose"
        />
      </template>
    </Video>

    <!-- 步骤导航抽屉 -->
    <StepNavigation
      :visible="showStepNavigation"
      :background-image="getStaticImage('work/vlog背景全屏待定')"
      :steps="navigationSteps"
      :current-step-index="currentNavigationStep"
      @step-click="handleStepClick"
      @close="handleStepNavigationClose"
    />

    <GuideSteps :visible="true" position-offset-y="85%" @complete="handleIntroGuideComplete">
      <GuideStepsItem :audio-src="getPublicPath('audio/py_1_014.MP3')">
        想拍出好的视频效果，画面稳定性是最基本的要求。
      </GuideStepsItem>
      <GuideStepsItem :audio-src="getPublicPath('audio/py_1_015.MP3')">
        接下来，我们来学习正确的持机方式和拍摄姿势。
      </GuideStepsItem>
    </GuideSteps>

    <GuideSteps
      v-if="showCameraMovementGuide"
      position-offset-y="85%"
      @complete="handleCameraMovementGuideComplete"
    >
      <GuideStepsItem :audio-src="getPublicPath('audio/py_1_016.MP3')">
        当我们将画面稳定之后，就来到了镜头语言。
      </GuideStepsItem>
      <GuideStepsItem :audio-src="getPublicPath('audio/py_1_017.MP3')">
        同一个场景，用不同运镜，表达就不一样。跟着我，去了解5种基础运镜吧~
      </GuideStepsItem>
    </GuideSteps>
  </div>
</template>

<style scoped>
video {
  width: 100%;
  height: 100%;
  /* 核心：保持视频比例，多余部分被裁剪 */
  object-fit: cover;
}
</style>