js-2dmath/lib/numerical-integration/euler.js

Fast 2d geometry math: Vector2, Rectangle, Circle, Matrix2x3 (2D transformation), Circle, BoundingBox, Line2, Segment2, Intersections, Distances, Transitions (animation/tween), Random numbers, Noise

var Vec2 = require("../vec2.js"),
    vec2_add = Vec2.add,
    vec2_scale = Vec2.scale,
    aux = [0, 0];
/**
 * @param {Vec2} position
 * @param {Vec2} velocity
 * @param {Number} dt
 */
function euler(position, velocity, dt) {
    vec2_add(position, position, vec2_scale(aux, velocity, dt));
}

module.exports = euler;