75 lines
2.0 KiB
TypeScript
75 lines
2.0 KiB
TypeScript
import * as THREE from 'three';
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import type { Game } from './Game';
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const SPEED = 8;
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const PLAYER_PROXIMITY = 1.4;
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export class InkBlob {
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body: THREE.Group;
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target: THREE.Vector3;
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private vel: THREE.Vector3;
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private life = 6;
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dead = false;
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nearPlayer = false;
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constructor(from: THREE.Vector3, target: THREE.Vector3) {
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this.target = target.clone();
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this.body = new THREE.Group();
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this.body.position.copy(from);
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this.vel = new THREE.Vector3().subVectors(target, from);
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this.vel.y = 0;
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const dist = this.vel.length();
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if (dist > 0.01) {
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this.vel.normalize().multiplyScalar(SPEED);
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}
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const glowMat = new THREE.MeshBasicMaterial({
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color: 0xaa44ff,
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transparent: true,
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opacity: 0.5,
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blending: THREE.AdditiveBlending,
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depthWrite: false,
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});
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const glow = new THREE.Mesh(new THREE.SphereGeometry(0.5, 12, 12), glowMat);
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this.body.add(glow);
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const coreMat = new THREE.MeshToonMaterial({ color: 0x3a1060 });
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const core = new THREE.Mesh(new THREE.SphereGeometry(0.28, 10, 10), coreMat);
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this.body.add(core);
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}
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update(dt: number, game: Game): boolean {
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this.life -= dt;
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this.body.position.x += this.vel.x * dt;
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this.body.position.z += this.vel.z * dt;
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this.body.position.y = 1.2 + Math.sin(this.life * 4) * 0.1;
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if (game.player.health > 0 && !this.nearPlayer) {
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const dist = this.body.position.distanceTo(game.player.body.position);
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if (dist < PLAYER_PROXIMITY) {
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this.nearPlayer = true;
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game.triggerInkVignette();
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}
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}
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const dx = this.target.x - this.body.position.x;
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const dz = this.target.z - this.body.position.z;
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if (this.life <= 0 || dx * dx + dz * dz < 0.25) {
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this.dead = true;
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return false;
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}
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return true;
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}
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dispose() {
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this.body.removeFromParent();
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for (const child of [...this.body.children]) {
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if (child instanceof THREE.Mesh) {
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child.geometry.dispose();
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(child.material as THREE.Material).dispose();
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}
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}
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}
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}
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