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import Vec2 from './vec2.js';
import { randomAngle, toDegreesInt, normalizeAngle, drawSquare } from './util.js';
import { getCosmos } from './cosmos.js';
import { globalView } from './view.js';
import Color from './color.js';
import { death, debugKey } from './control.js';
var cosmos;
var view;
window.testAngle = Math.PI / 4;
const max_thrust_factor = 6;
class Ship {
pos;
vel;
thrust = 0;
max_thrust;
heading = 0;
state = 'state_living';
death_counter = 0;
death_thresh = 0.3;
constructor(pos, vel, heading) {
cosmos = getCosmos();
view = globalView();
this.pos = pos;
this.heading = heading;
this.vel = vel;
this.max_thrust = cosmos.gravity * max_thrust_factor;
debugKey('ship', this);
}
static AboveRadius(radius, max_size) {
cosmos = getCosmos();
// var altitude = radius + Math.random() * (max_size - radius)
var altitude = radius + (0.25 + Math.random() * 0.125) * (max_size - radius)
var angle = randomAngle();
// var angle = Math.PI / 2;
var pos = Vec2.fromHeadingLength(angle, altitude);
var vel = pos.ofLength(cosmos.gravity * 70.0);
var ship = new Ship(pos, vel, angle);
return ship;
}
/// Behavior
update(dt) {
if (this[this.state]) {
this[this.state](dt);
}
}
state_living(dt) {
this.applyPhysics(dt);
var death = this.checkDeath();
if (death) {
this.state = 'state_dying';
}
}
state_dying(dt) {
this.death_counter += dt;
// console.log('death_counter', this.death_counter);
if (this.death_counter > this.death_thresh) {
this.state = 'state_dead';
}
}
state_dead(dt) {
death();
}
start_testing(dt) {
this.state = 'state_testing';
this.pos = Vec2.fromHeadingLength(window.testAngle, 70);
// this.pos = view.unproject(new Vec2(3 / 4 * gameCanvas.width, gameCanvas.height / 2));
this.state_testing(dt);
}
state_testing(dt) {
debugKey('ship', this);
var death = this.checkDeath();
debugKey('death', death);
}
/// Physics
applyPhysics(dt) {
var grav = this.pos.ofLength(-cosmos.gravity);
var thrust = Vec2.fromHeadingLength(this.heading, this.thrust * this.max_thrust);
var forces = grav.add(thrust);
this.pos = this.pos.add(this.vel);
this.vel = this.vel.add(forces);
}
checkDeath() {
return this.checkBoundary() ||
this.checkStar() ||
this.checkPulses();
}
checkBoundary() {
if (Math.max(Math.abs(this.pos.x), Math.abs(this.pos.y)) > cosmos.max_size) {
return true;
}
return false;
}
checkStar() {
const altitude = this.pos.length();
if (altitude < cosmos.star.radius) {
return true;
}
return false;
}
checkPulses() {
var angle = this.pos.heading();
var altitude = this.pos.length();
for (var p of cosmos.pulses) {
if (p.contains(this.pos, 2)) {
return true;
}
}
return false;
}
/// Control
inputTarget(coord) {
var rel = coord.sub(this.pos);
debugKey('rel', rel);
this.heading = rel.heading();
}
inputThrust(thrust) {
this.thrust = thrust;
}
/// Rendering
getColor() {
var color = Color.PlayerColor.to_string();
if (this.state === 'state_dying') {
color = '#ff1515';
}
return color;
}
render(ctx) {
var sPos = view.project(this.pos);
var color = this.getColor();
ctx.fillStyle = color;
ctx.strokeStyle = color;
drawSquare(ctx, sPos, 3);
var sHeading = new Vec2(Math.cos(this.heading), Math.sin(this.heading)).add(sPos);
drawSquare(ctx, sHeading, 2);
ctx.beginPath();
ctx.moveTo(sPos.x, sPos.y);
ctx.lineTo(sHeading.x, sHeading.y);
ctx.stroke();
}
}
export default Ship;
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