/
ParticlesLighter.ts
63 lines (48 loc) · 1.78 KB
/
ParticlesLighter.ts
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import type { LightContainer, LightParticle } from "./Types.js";
import { ParticlesInteractorBase, isInArray, rangeColorToRgb } from "@tsparticles/engine";
import { drawParticleShadow, lightMode } from "./Utils.js";
export class ParticlesLighter extends ParticlesInteractorBase<LightContainer> {
// eslint-disable-next-line @typescript-eslint/no-useless-constructor
constructor(container: LightContainer) {
super(container);
}
clear(): void {
// do nothing
}
init(): void {
// do nothing
}
interact(particle: LightParticle): void {
const container = this.container,
options = container.actualOptions,
interactivity = container.interactivity;
if (!options.interactivity.events.onHover.enable || interactivity.status !== "pointermove") {
return;
}
const mousePos = interactivity.mouse.position;
if (!mousePos) {
return;
}
container.canvas.draw((ctx) => {
drawParticleShadow(container, ctx, particle, mousePos);
});
}
isEnabled(particle: LightParticle): boolean {
const container = this.container,
interactivity = particle.interactivity ?? container.actualOptions.interactivity,
mouse = container.interactivity.mouse,
events = interactivity.events;
if (!(events.onHover.enable && mouse.position)) {
return false;
}
const res = isInArray(lightMode, events.onHover.mode);
if (res && interactivity.modes.light) {
const shadowOptions = interactivity.modes.light.shadow;
particle.lightShadow = rangeColorToRgb(shadowOptions.color);
}
return res;
}
reset(): void {
// do nothing
}
}