decla-red/frontend/src/scripts/objects/player-character-view.ts
2020-10-23 22:10:39 +02:00

106 lines
3.2 KiB
TypeScript

import { vec2 } from 'gl-matrix';
import { Renderer } from 'sdf-2d';
import { Circle, Id, PlayerCharacterBase, CharacterTeam, settings } from 'shared';
import { OptionsHandler } from '../options-handler';
import { BlobShape } from '../shapes/blob-shape';
import { ViewObject } from './view-object';
export class PlayerCharacterView extends PlayerCharacterBase implements ViewObject {
private shape: BlobShape;
private nameElement: HTMLElement = document.createElement('div');
private statsElement: HTMLElement = document.createElement('div');
private healthElement: HTMLElement = document.createElement('div');
private timeSinceLastNameElementUpdate = 0;
private previousHealth;
constructor(
id: Id,
name: string,
killCount: number,
deathCount: number,
colorIndex: number,
team: CharacterTeam,
health: number,
head?: Circle,
leftFoot?: Circle,
rightFoot?: Circle,
) {
super(
id,
name,
killCount,
deathCount,
colorIndex,
team,
health,
head,
leftFoot,
rightFoot,
);
this.shape = new BlobShape(colorIndex);
this.previousHealth = this.health;
this.nameElement.className = 'player-tag ' + this.team;
this.nameElement.innerText = this.name;
this.nameElement.appendChild(this.healthElement);
this.nameElement.appendChild(this.statsElement);
}
public get position(): vec2 {
return this.head!.center;
}
public step(deltaTimeInMilliseconds: number): void {
this.timeSinceLastNameElementUpdate += deltaTimeInMilliseconds;
this.healthElement.style.width = (50 * this.health) / settings.playerMaxHealth + 'px';
this.statsElement.innerText = this.getStatsText();
if (this.previousHealth > this.health) {
this.previousHealth = this.health;
if (OptionsHandler.options.vibrationEnabled) {
navigator.vibrate(75);
}
}
this.previousHealth = this.health;
}
public beforeDestroy(): void {
this.nameElement.parentElement?.removeChild(this.nameElement);
}
public draw(renderer: Renderer, overlay: HTMLElement): void {
if (!this.nameElement.parentElement) {
overlay.appendChild(this.nameElement);
}
if (this.timeSinceLastNameElementUpdate > 0.15) {
const screenPosition = renderer.worldToDisplayCoordinates(
this.calculateTextPosition(),
);
this.nameElement.style.left = screenPosition.x + 'px';
this.nameElement.style.top = screenPosition.y + 'px';
this.timeSinceLastNameElementUpdate = 0;
}
this.shape.setCircles([this.head!, this.leftFoot!, this.rightFoot!]);
renderer.addDrawable(this.shape);
}
private getStatsText(): string {
return `${this.killCount}⚔/${this.deathCount}`;
}
private calculateTextPosition(): vec2 {
const footAverage = vec2.add(
vec2.create(),
this.leftFoot!.center,
this.rightFoot!.center,
);
vec2.scale(footAverage, footAverage, 0.5);
const headFeetDelta = vec2.subtract(footAverage, this.head!.center, footAverage);
vec2.normalize(headFeetDelta, headFeetDelta);
const textOffset = vec2.scale(headFeetDelta, headFeetDelta, this.head!.radius + 80);
return vec2.add(textOffset, this.head!.center, textOffset);
}
}