update: 修复飞行特效

src/components/BowShotEffect.vue

@@ -34,6 +34,10 @@ const props = defineProps({
     type: Number,
     default: 0,
   },
+  viewportMode: {
+    type: Boolean,
+    default: false,
+  },
 });
 
 const emit = defineEmits(["complete", "impact"]);
@@ -43,6 +47,7 @@ const activePlayKey = ref("");
 const animationKey = ref("");
 const impactEmitted = ref(false);
 const activeShot = ref(null);
+const activeLayout = ref(null);
 let timers = [];
 
 const isActive = computed(() => phase.value !== "idle");
@@ -93,6 +98,17 @@ function hasShotPoint(shot) {
 }
 
 const effectiveShot = computed(() => activeShot.value || props.shot);
+const effectiveTargetSize = computed(
+  () => activeLayout.value?.target || safeTargetSize.value
+);
+const effectiveWindowSize = computed(
+  () => activeLayout.value?.window || getWindowSize()
+);
+const isViewportMode = computed(() =>
+  activeLayout.value
+    ? activeLayout.value.viewportMode
+    : props.viewportMode === true
+);
 
 const shotPoint = computed(() => {
   const x = Number(effectiveShot.value?.x);
@@ -137,8 +153,40 @@ const hitPercent = computed(() => {
 });
 
 const flightPath = computed(() => {
-  const size = safeTargetSize.value;
-  const windowSize = getWindowSize();
+  const size = effectiveTargetSize.value;
+  const windowSize = effectiveWindowSize.value;
+
+  if (
+    isViewportMode.value &&
+    size.width > 0 &&
+    size.height > 0 &&
+    windowSize.width > 0 &&
+    windowSize.height > 0
+  ) {
+    const startX = windowSize.width * 0.5;
+    const endX =
+      size.left +
+      size.width * (hitPercent.value.left / 100) +
+      hitOffset.value.x;
+    const endY =
+      size.top +
+      size.height * (hitPercent.value.top / 100) +
+      hitOffset.value.y;
+    // 常规情况下从视口底部进入；靶面局部超出视口时仍保证起点在命中点下方。
+    const startY = Math.max(windowSize.height + 16, endY + 80);
+    const dx = endX - startX;
+    const dy = endY - startY;
+
+    return {
+      startX,
+      startY,
+      endX,
+      endY,
+      translateX: dx,
+      translateY: dy,
+      angle: Math.atan2(dx, -dy) * (180 / Math.PI),
+    };
+  }
 
   const hasScreenCoordinates =
     size.width > 0 &&
@@ -161,6 +209,8 @@ const flightPath = computed(() => {
   return {
     startX,
     startY,
+    endX,
+    endY,
     translateX: dx,
     translateY: dy,
     angle: Math.atan2(dx, -dy) * (180 / Math.PI),
@@ -178,10 +228,19 @@ function formatTargetPosition(percent, offset) {
   return pxOffset ? `calc(${percent}%${pxOffset})` : `${percent}%`;
 }
 
-const crackStyle = computed(() => ({
-  left: formatTargetPosition(hitPercent.value.left, hitOffset.value.x),
-  top: formatTargetPosition(hitPercent.value.top, hitOffset.value.y),
-}));
+const crackStyle = computed(() => {
+  if (isViewportMode.value) {
+    return {
+      left: `${flightPath.value.endX}px`,
+      top: `${flightPath.value.endY}px`,
+    };
+  }
+
+  return {
+    left: formatTargetPosition(hitPercent.value.left, hitOffset.value.x),
+    top: formatTargetPosition(hitPercent.value.top, hitOffset.value.y),
+  };
+});
 
 function getTargetTranslate(percent) {
   const absPercent = Math.abs(percent);
@@ -190,19 +249,21 @@ function getTargetTranslate(percent) {
 }
 
 const arrowMoveStyle = computed(() => {
-  const size = safeTargetSize.value;
+  const size = effectiveTargetSize.value;
   const path = flightPath.value;
   let x = getTargetTranslate(hitPercent.value.left - 50);
   let y = getTargetTranslate(hitPercent.value.top - 114);
 
-  if (size.width && size.height) {
+  if (isViewportMode.value || (size.width && size.height)) {
     x = `${path.translateX}px`;
     y = `${path.translateY}px`;
   }
 
   return {
-    "--shot-start-x": size.width ? `${path.startX}px` : "50%",
-    "--shot-start-y": size.height ? `${path.startY}px` : "114%",
+    "--shot-start-x":
+      isViewportMode.value || size.width ? `${path.startX}px` : "50%",
+    "--shot-start-y":
+      isViewportMode.value || size.height ? `${path.startY}px` : "114%",
     "--shot-tx": x,
     "--shot-ty": y,
     "--shot-angle": `${path.angle}deg`,
@@ -231,6 +292,7 @@ function finish(playKey) {
   phase.value = "idle";
   activePlayKey.value = "";
   activeShot.value = null;
+  activeLayout.value = null;
   emit("complete", playKey);
 }
 
@@ -244,6 +306,11 @@ function play() {
   animationKey.value = `${props.playKey}`;
   impactEmitted.value = false;
   activeShot.value = { ...props.shot };
+  activeLayout.value = {
+    target: { ...safeTargetSize.value },
+    window: getWindowSize(),
+    viewportMode: props.viewportMode === true,
+  };
   phase.value = "playing";
 
   queueTimer(() => {
@@ -278,7 +345,11 @@ onBeforeUnmount(() => {
 <template>
   <view
     v-show="isActive"
-    :class="['shot-effect', `shot-effect--${phase}`]"
+    :class="[
+      'shot-effect',
+      `shot-effect--${phase}`,
+      { 'shot-effect--viewport': isViewportMode },
+    ]"
     :style="arrowMoveStyle"
   >
     <view
@@ -326,6 +397,12 @@ onBeforeUnmount(() => {
   transform: translateZ(0);
 }
 
+.shot-effect--viewport {
+  position: fixed;
+  width: 100vw;
+  height: 100vh;
+}
+
 .shot-arrow-track {
   position: absolute;
   left: var(--shot-start-x);