40 lines
678 B
JavaScript
40 lines
678 B
JavaScript
'use strict';
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const uuid = require('uuid');
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const b2Vec2 = require('box2d-html5').b2Vec2;
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class Body {
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constructor(world) {
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this.x = 0;
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this.y = 0;
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this.r = 0;
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this.b2body = false;
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this.type = 'dynamic';
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this.health = 1;
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this.world = world;
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this.id = uuid.v4().slice(0, 8);
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}
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applyDelta() {
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this.world.applyDelta(this.id, this.pack());
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}
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applyForce(x, y, center) {
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let b = this.b2body;
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b.ApplyForce(new b2Vec2(x, y), b.GetWorldCenter());
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}
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applyTorque(f) {
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this.b2body.ApplyTorque(f);
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}
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pack() {
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let pos = this.b2body.GetPosition();
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let rot = this.b2body.GetAngleRadians();
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return [pos.x, pos.y, rot];
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}
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}
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module.exports = Body;
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