update: 修复飞行特效

src/pages/training/components/BowTarget.vue

@@ -84,6 +84,10 @@ const props = defineProps({
     type: Boolean,
     default: false,
   },
+  stableShotEffect: {
+    type: Boolean,
+    default: false,
+  },
 });
 
 const emit = defineEmits(["shot-effect-complete"]);
@@ -98,11 +102,13 @@ const dirTimer = ref(null);
 const angle = ref(null);
 const circleColor = ref("");
 const shotEffect = ref(null);
+const pendingShotEffect = ref(null);
 const hiddenLatestKey = ref("");
 const targetShaking = ref(false);
 const targetRect = ref({ left: 0, top: 0, width: 0, height: 0 });
 const shakeTimer = ref(null);
 const instance = getCurrentInstance();
+let shotEffectRequestGeneration = 0;
 const ROUND_TIP_OFFSET_Y = -32;
 const EXPERIENCE_TIP_OFFSET_Y = -68;
 
@@ -245,7 +251,7 @@ function buildShotEffectKey(shot, index) {
   ].join("-");
 }
 
-function triggerShotEffect(shot, index) {
+function triggerShotEffect(shot, index, viewportMode = false) {
   const key = buildShotEffectKey(shot, index);
   clearTipTimer();
   latestOne.value = null;
@@ -254,9 +260,31 @@ function triggerShotEffect(shot, index) {
     key,
     shot,
     token: props.shotEffectToken,
+    viewportMode,
   };
 }
 
+async function prepareShotEffect(shot, index) {
+  const requestGeneration = ++shotEffectRequestGeneration;
+  const key = buildShotEffectKey(shot, index);
+  pendingShotEffect.value = { generation: requestGeneration, key };
+  clearTipTimer();
+  latestOne.value = null;
+
+  const viewportMode = props.stableShotEffect
+    ? await updateTargetRect()
+    : false;
+
+  if (requestGeneration !== shotEffectRequestGeneration) {
+    if (pendingShotEffect.value?.generation === requestGeneration) {
+      pendingShotEffect.value = null;
+    }
+    return;
+  }
+  pendingShotEffect.value = null;
+  triggerShotEffect(shot, index, viewportMode);
+}
+
 function completeShotEffect(key) {
   if (!shotEffect.value || shotEffect.value.key !== key) return;
 
@@ -272,7 +300,10 @@ function completeShotEffect(key) {
 }
 
 function shouldHideLatestHit(index) {
-  return !!hiddenLatestKey.value && index === props.scores.length - 1;
+  return (
+    (!!hiddenLatestKey.value || !!pendingShotEffect.value) &&
+    index === props.scores.length - 1
+  );
 }
 
 function shakeTarget() {
@@ -291,36 +322,53 @@ function shakeTarget() {
   });
 }
 
-function updateTargetRect() {
-  nextTick(() => {
-    const query = instance?.proxy
-      ? uni.createSelectorQuery().in(instance.proxy)
-      : uni.createSelectorQuery();
+function hasValidTargetRect(rect = targetRect.value) {
+  return (
+    Number.isFinite(Number(rect?.left)) &&
+    Number.isFinite(Number(rect?.top)) &&
+    Number(rect?.width) > 0 &&
+    Number(rect?.height) > 0
+  );
+}
 
-    query
-      .select(".target")
-      .boundingClientRect((rect) => {
-        const left = Number(rect?.left);
-        const top = Number(rect?.top);
-        const width = Number(rect?.width);
-        const height = Number(rect?.height);
-        if (
-          !Number.isFinite(left) ||
-          !Number.isFinite(top) ||
-          !Number.isFinite(width) ||
-          !Number.isFinite(height)
-        ) {
-          return;
-        }
-        if (width <= 0 || height <= 0) return;
-        targetRect.value = { left, top, width, height };
-      })
-      .exec();
+async function updateTargetRect() {
+  await nextTick();
+
+  return new Promise((resolve) => {
+    let settled = false;
+    const finish = (rect) => {
+      if (settled) return;
+      settled = true;
+
+      const isValid = hasValidTargetRect(rect);
+      if (isValid) {
+        targetRect.value = {
+          left: Number(rect.left),
+          top: Number(rect.top),
+          width: Number(rect.width),
+          height: Number(rect.height),
+        };
+      }
+      resolve(isValid);
+    };
+
+    try {
+      const query = instance?.proxy
+        ? uni.createSelectorQuery().in(instance.proxy)
+        : uni.createSelectorQuery();
+
+      query
+        .select(".target")
+        .boundingClientRect()
+        .exec((result) => finish(Array.isArray(result) ? result[0] : null));
+    } catch {
+      finish(null);
+    }
   });
 }
 
 function handleWindowResize() {
-  updateTargetRect();
+  void updateTargetRect();
 }
 
 watch(
@@ -329,6 +377,8 @@ watch(
     if (newVal.length - prevScores.value.length === 1) {
       showShotTip(newVal[newVal.length - 1]);
     } else if (newVal.length < prevScores.value.length) {
+      shotEffectRequestGeneration += 1;
+      pendingShotEffect.value = null;
       clearTipTimer();
       latestOne.value = null;
       hiddenLatestKey.value = "";
@@ -349,7 +399,10 @@ watch(
     const latestIndex = props.scores.length - 1;
     const latestShot = props.scores[latestIndex];
     if (shouldPlayShotEffect(latestShot)) {
-      triggerShotEffect(latestShot, latestIndex);
+      void prepareShotEffect(latestShot, latestIndex);
+    } else {
+      shotEffectRequestGeneration += 1;
+      pendingShotEffect.value = null;
     }
   }
 );
@@ -431,11 +484,13 @@ async function onReceiveMessage(message) {
 
 onMounted(() => {
   uni.$on("socket-inbox", onReceiveMessage);
-  updateTargetRect();
+  void updateTargetRect();
   if (uni.onWindowResize) uni.onWindowResize(handleWindowResize);
 });
 
 onBeforeUnmount(() => {
+  shotEffectRequestGeneration += 1;
+  pendingShotEffect.value = null;
   clearTipTimer();
   if (dirTimer.value) {
     clearTimeout(dirTimer.value);
@@ -555,6 +610,7 @@ onBeforeUnmount(() => {
         </view>
       </block>
       <BowShotEffect
+        v-if="!shotEffect || !shotEffect.viewportMode"
         :shot="shotEffect && shotEffect.shot"
         :playKey="shotEffect ? shotEffect.key : ''"
         :targetRadius="safeTargetRadius"
@@ -567,6 +623,20 @@ onBeforeUnmount(() => {
         @complete="completeShotEffect"
       />
     </view>
+    <BowShotEffect
+      v-if="shotEffect && shotEffect.viewportMode"
+      :shot="shotEffect.shot"
+      :playKey="shotEffect.key"
+      :targetRadius="safeTargetRadius"
+      :targetLeft="targetRect.left"
+      :targetTop="targetRect.top"
+      :targetWidth="targetRect.width"
+      :targetHeight="targetRect.height"
+      :hitOffsetPx="currentHitRadiusPx"
+      :viewportMode="true"
+      @impact="shakeTarget"
+      @complete="completeShotEffect"
+    />
     <view class="footer">
       <PointSwitcher
         :onChange="(val) => (pMode = val)"