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53 lines
2.1 KiB
Plaintext
53 lines
2.1 KiB
Plaintext
var $f89f15d7f52bce29$exports = require("./Point.main.js");
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var $41b7691783731623$exports = require("./Rect.main.js");
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function $parcel$export(e, n, v, s) {
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Object.defineProperty(e, n, {get: v, set: s, enumerable: true, configurable: true});
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}
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$parcel$export(module.exports, "OverscanManager", () => $191a033606d4fda1$export$4455ee6afb38dcbb);
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/*
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* Copyright 2020 Adobe. All rights reserved.
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* This file is licensed to you under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may obtain a copy
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* of the License at http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under
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* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR REPRESENTATIONS
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* OF ANY KIND, either express or implied. See the License for the specific language
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* governing permissions and limitations under the License.
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*/
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class $191a033606d4fda1$export$4455ee6afb38dcbb {
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setVisibleRect(rect) {
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let time = performance.now() - this.startTime;
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if (time < 500) {
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if (rect.x !== this.visibleRect.x && time > 0) this.velocity.x = (rect.x - this.visibleRect.x) / time;
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if (rect.y !== this.visibleRect.y && time > 0) this.velocity.y = (rect.y - this.visibleRect.y) / time;
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}
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this.startTime = performance.now();
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this.visibleRect = rect;
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}
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getOverscannedRect() {
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let overscanned = this.visibleRect.copy();
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let overscanY = this.visibleRect.height / 3;
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overscanned.height += overscanY;
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if (this.velocity.y < 0) overscanned.y -= overscanY;
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if (this.velocity.x !== 0) {
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let overscanX = this.visibleRect.width / 3;
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overscanned.width += overscanX;
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if (this.velocity.x < 0) overscanned.x -= overscanX;
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}
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return overscanned;
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}
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constructor(){
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this.startTime = 0;
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this.velocity = new (0, $f89f15d7f52bce29$exports.Point)(0, 0);
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this.visibleRect = new (0, $41b7691783731623$exports.Rect)();
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}
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}
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//# sourceMappingURL=OverscanManager.main.js.map
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