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Minor refactoring; Fix n-body TS build

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This commit is contained in:
dcodeIO
2018-04-28 18:07:20 +02:00
parent 2aea14b518
commit 8b5d1d7f74
13 changed files with 296 additions and 310 deletions
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20
examples/n-body/build/index.js
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@ -1,6 +1,8 @@
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
require("allocator/arena");
// From The Computer Language Benchmarks Game
// http://benchmarksgame.alioth.debian.org
const SOLAR_MASS = 4.0 * Math.PI * Math.PI;
const DAYS_PER_YEAR = 365.24;
class Body {
@ -37,25 +39,27 @@ function Neptune() {
}
class NBodySystem {
constructor(bodies) {
this.bodies = bodies;
var px = 0.0;
var py = 0.0;
var pz = 0.0;
var size = bodies.length;
for (let i = 0; i < size; i++) {
let b = bodies[i];
let b = unchecked(bodies[i]);
let m = b.mass;
px += b.vx * m;
py += b.vy * m;
pz += b.vz * m;
}
this.bodies = bodies;
this.bodies[0].offsetMomentum(px, py, pz);
bodies[0].offsetMomentum(px, py, pz);
}
advance(dt) {
var bodies = this.bodies;
var size = bodies.length;
// var buffer = changetype<usize>(bodies.buffer_);
for (let i = 0; i < size; ++i) {
let bodyi = bodies[i];
let bodyi = unchecked(bodies[i]);
// let bodyi = load<Body>(buffer + i * sizeof<Body>(), 8);
let ix = bodyi.x;
let iy = bodyi.y;
let iz = bodyi.z;
@ -64,7 +68,8 @@ class NBodySystem {
let bivz = bodyi.vz;
let bodyim = bodyi.mass;
for (let j = i + 1; j < size; ++j) {
let bodyj = bodies[j];
let bodyj = unchecked(bodies[j]);
// let bodyj = load<Body>(buffer + j * sizeof<Body>(), 8);
let dx = ix - bodyj.x;
let dy = iy - bodyj.y;
let dz = iz - bodyj.z;
@ -91,9 +96,8 @@ class NBodySystem {
energy() {
var e = 0.0;
var bodies = this.bodies;
var size = bodies.length;
for (let i = 0; i < size; ++i) {
let bodyi = bodies[i];
for (let i = 0, size = bodies.length; i < size; ++i) {
let bodyi = unchecked(bodies[i]);
let ix = bodyi.x;
let iy = bodyi.y;
let iz = bodyi.z;