DelayNoMore/frontend/assets/scripts/CameraTracker.js
2023-02-04 18:33:49 +08:00

44 lines
1.2 KiB
JavaScript

cc.Class({
extends: cc.Component,
properties: {
mapNode: {
type: cc.Node,
default: null
},
speed: {
type: cc.Float,
default: 100
},
},
onLoad() {
this.mainCamera = this.mapNode.parent.getChildByName("Main Camera").getComponent(cc.Camera);
this.mapScriptIns = this.mapNode.getComponent("Map");
},
start() {},
update(dt) {
const self = this;
if (!self.mainCamera) return;
if (!self.mapScriptIns) return;
if (!self.mapScriptIns.selfPlayerInfo) return;
if (!self.mapScriptIns.playerRichInfoDict) return;
const selfPlayerRichInfo = self.mapScriptIns.playerRichInfoDict.get(self.mapScriptIns.selfPlayerInfo.Id);
if (!selfPlayerRichInfo) return;
const selfPlayerNode = selfPlayerRichInfo.node;
if (!selfPlayerNode) return;
const dst = cc.v2().sub(selfPlayerNode.position);
const pDiff = dst.sub(self.mapNode.position);
const stepLength = dt * self.speed;
if (stepLength > pDiff.mag()) {
self.mapNode.setPosition(dst);
} else {
pDiff.normalizeSelf();
const newMapPos = self.mapNode.position.add(pDiff.mul(dt * self.speed));
self.mapNode.setPosition(newMapPos);
}
}
});