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@@ -0,0 +1,94 @@
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+import { _decorator, Component, Node, Vec3, tween, Tween } from 'cc';
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+const { ccclass, property } = _decorator;
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+
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+/**
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+ * GameStartMove
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+ *
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+ * This component is expected to be attached to the main camera node.
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+ * It provides two public helper methods that other scripts can call:
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+ * 1. moveDownInstant() – instantly move the camera down by a fixed offset
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+ * 2. moveUpSmooth() – move the camera back up with a smooth tween animation
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+ */
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+@ccclass('GameStartMove')
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+export class GameStartMove extends Component {
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+ /** The camera node to move. Defaults to the node the script is attached to. */
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+ @property({
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+ type: Node,
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+ tooltip: 'Camera node to move. Leave empty to use the current node.'
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+ })
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+ public cameraNode: Node = null;
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+
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+ /** Offset (in pixels/units) for one step of movement. */
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+ @property({ tooltip: 'Vertical offset for the camera movement.' })
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+ public offset: number = 182;
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+
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+ /** Tween duration for the smooth move-up animation. */
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+ @property({ tooltip: 'Duration for the smooth move-up tween (seconds).' })
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+ public moveDuration: number = 0.4;
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+
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+ private _originalPos: Vec3 = new Vec3();
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+
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+ onLoad () {
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+ // Use self node if cameraNode not assigned via the editor.
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+ if (!this.cameraNode) {
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+ this.cameraNode = this.node;
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+ }
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+ // Save initial position so we can always restore relative to it.
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+ this._originalPos.set(this.cameraNode.position);
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+ }
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+
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+ /**
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+ * Instantly move the camera down by `offset` units.
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+ */
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+ public moveDownInstant () {
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+ if (!this.cameraNode) return;
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+ const pos = this.cameraNode.position.clone();
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+ pos.y -= this.offset;
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+ this.cameraNode.setPosition(pos);
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+ }
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+
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+ /**
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+ * Smoothly move the camera back up by `offset` units using a tween.
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+ */
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+ public moveUpSmooth () {
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+ if (!this.cameraNode) return;
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+ const startPos = this.cameraNode.position.clone();
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+ const targetPos = new Vec3(startPos.x, startPos.y + this.offset, startPos.z);
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+ // Stop any running tweens on this node to avoid conflicting animations.
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+ Tween.stopAllByTarget(this.cameraNode);
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+ tween(this.cameraNode)
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+ .to(this.moveDuration, { position: targetPos }, { easing: 'quadOut' })
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+ .start();
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+ }
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+
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+ /* ========= BlockSelectionUI 动画 ========= */
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+ /** BlockSelectionUI 根节点（外部在编辑器拖拽赋值） */
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+ @property({ type: Node, tooltip: 'BlockSelectionUI 根节点' })
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+ public blockSelectionUI: Node = null;
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+
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+ /** BlockSelectionUI 中需要下滑的 diban 节点（外部拖拽赋值） */
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+ @property({ type: Node, tooltip: 'BlockSelectionUI 中的 diban 节点' })
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+ public dibanNode: Node = null;
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+
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+ /**
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+ * 下滑 diban 并在动画结束后隐藏 BlockSelectionUI。
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+ * @param distance 向下移动距离，默认 300
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+ * @param duration 动画时长，默认 0.3s
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+ */
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+ public slideDibanDownAndHide(distance: number = 300, duration: number = 0.3) {
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+ if (!this.dibanNode || !this.blockSelectionUI) return;
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+
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+ const originalPos = this.dibanNode.position.clone();
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+
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+ // 停止现有 tween
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+ Tween.stopAllByTarget(this.dibanNode);
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+
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+ tween(this.dibanNode)
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+ .to(duration, { position: new Vec3(originalPos.x, originalPos.y - distance, originalPos.z) }, { easing: 'quadIn' })
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+ .call(() => {
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+ this.blockSelectionUI.active = false;
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+ this.dibanNode.setPosition(originalPos);
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+ })
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+ .start();
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+ }
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+}
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