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Add smooth scrolling #20

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Add smooth scrolling #20

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31 changes: 19 additions & 12 deletions src/js/scenes/GameScene.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -216,28 +216,35 @@ export default class GameScene extends Phaser.Scene {
indicator.rotation = this.angle;
}

private targetZoom: number;

private zoom(deltaY: number, pointer: Phaser.Input.Pointer) {
const tilemap = this.tilemap;
const camera = this.cameras.main;

const maxZoom = (10 * 16) / tilemap.tileWidth;
const minZoom = (1.25 * 16) / tilemap.tileWidth;
let targetZoom;

if (this.targetZoom === undefined) {
this.targetZoom = camera.zoom;
}

if (deltaY < 0) {
targetZoom = camera.zoom * 1.2;
if (targetZoom < maxZoom) {
let xDist = pointer.worldX - camera.midPoint.x;
let yDist = pointer.worldY - camera.midPoint.y;
camera.scrollX += xDist / 6;
camera.scrollY += yDist / 6;
}
} else targetZoom = camera.zoom / 1.2;
if (targetZoom < minZoom) targetZoom = minZoom;
else if (targetZoom > maxZoom) targetZoom = maxZoom;
camera.setZoom(targetZoom);
this.targetZoom = camera.zoom * 1.5;
} else this.targetZoom = camera.zoom / 1.5;
if (this.targetZoom < minZoom) this.targetZoom = minZoom;
else if (this.targetZoom > maxZoom) this.targetZoom = maxZoom;
// camera.setZoom(this.targetZoom);
}


public update() {
if (this.targetZoom) {
const camera = this.cameras.main;
const newZoom = camera.zoom + (this.targetZoom - camera.zoom) / 12;
camera.setZoom(newZoom)
}

const tilemap = this.tilemap;
this.buildings.forEach((building, index) => {
//@ts-ignore
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