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Refactor rendering

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This commit is contained in:
schmelczerandras 2020-07-30 13:28:10 +02:00
commit c892ca2d01
1 changed files with 505 additions and 423 deletions
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47
frontend/src/scripts/drawing/rendering/autoscaler.ts
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@ -1,47 +0,0 @@
import { mix } from '../../helper/mix';
import { clamp } from '../../helper/clamp';
export class Autoscaler {
// can have fractions
private index: number;
constructor(
private setters: Array<(value: number) => void>,
private targets: Array<Array<number>>,
startingIndex: number,
private scalingOptions: {
additiveIncrease: number;
multiplicativeDecrease: number;
}
) {
this.index = startingIndex;
this.applyScaling();
}
public increase() {
this.index += this.scalingOptions.additiveIncrease;
this.applyScaling();
}
public decrease() {
this.index /= this.scalingOptions.multiplicativeDecrease;
this.applyScaling();
}
private applyScaling() {
this.index = clamp(this.index, 0, this.targets.length - 1);
const floor = Math.floor(this.index);
const fract = this.index - floor;
const previousTarget = this.targets[floor];
const nextTarget =
floor + 1 == this.targets.length
? previousTarget
: this.targets[floor + 1];
this.setters.forEach((setter, i) =>
setter(mix(previousTarget[i], nextTarget[i], fract))
);
}
}