mirror of
https://github.com/photonstorm/phaser
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48 lines
1 KiB
TypeScript
48 lines
1 KiB
TypeScript
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/// <reference path="../Game.ts" />
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/// <reference path="Particle.ts" />
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/// <reference path="../geom/Vector2.ts" />
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/**
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* Phaser - PinConstraint
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*
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* Constrains to static / fixed point
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*/
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module Phaser.Verlet {
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export class PinConstraint {
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/**
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* Creates a new PinConstraint object.
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* @class PinConstraint
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* @constructor
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* @param {Number} x The x coordinate of vector2
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* @param {Number} y The y coordinate of vector2
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* @return {PinConstraint} This object
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**/
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constructor(a: Phaser.Verlet.Particle, pos: Vector2) {
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this.a = a;
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this.pos = (new Vector2()).mutableSet(pos);
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}
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public a: Phaser.Verlet.Particle;
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public pos: Vector2;
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public relax() {
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this.a.pos.mutableSet(this.pos);
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}
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public render(ctx) {
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ctx.beginPath();
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ctx.arc(this.pos.x, this.pos.y, 6, 0, 2*Math.PI);
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ctx.fillStyle = "rgba(0,153,255,0.1)";
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ctx.fill();
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}
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}
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}
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