mascully/improcket
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Add ship movement

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This commit is contained in:
asraelite 2018-03-03 15:58:51 +00:00
parent 09b3df649c
commit 4959519f39
15 changed files with 278 additions and 77 deletions
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20
js/world/ship.mjs
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@ -14,6 +14,7 @@ export default class Ship extends Body {
this.tickMotion();
this.tickGravity(world.celestials);
this.resolveCollisions();
this.modules.forEach(m => m.reset());
}
addModule(x, y, properties, options) {
@ -29,11 +30,12 @@ export default class Ship extends Body {
refreshShape() {
let points = [];
this.modules.forEach(m => points.push([m.x, m.y, m.mass]));
this.modules.forEach(m => points.push([...m.com, m.mass]));
this.mass = points.reduce((a, [,,b]) => a + b, 0);
this.com = points.reduce(([ax, ay], b) =>
[ax + b.x * b.mass, ay + b.y * b.mass], [0, 0])
this.com = points.reduce(([ax, ay], [bx, by, bm]) =>
[ax + bx * bm, ay + by * bm], [0, 0])
.map(x => x / this.mass);
window.q = points;
}
resolveCollisions() {
@ -45,4 +47,16 @@ export default class Ship extends Body {
}
})
}
applyThrust({ forward = 0, left = 0, right = 0, back = 0,
turnLeft = 0, turnRight = 0}) {
let turnForce = (turnRight - turnLeft) / 20;
this.applyDirectionalForce(0, -forward / 30, turnForce);
this.modules.forEach(m => {
if (m.type !== 'thruster') return;
m.power = forward;
});
}
}