WIP: Bouncing working but still not perfect

This commit is contained in:
2026-01-24 13:19:43 -08:00
parent ccc6dc1335
commit 5bb861c376

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@@ -556,22 +556,22 @@ const Move = (() => {
if (contact.corner) {
contact.position = cornerContactPosition(p.x, p.y, px, py, contact.corner, s.radius);
console.log("contact position", contact.position);
drawLine(contact.position.x, contact.position.y, contact.position.x + vx, contact.position.y + vy, "blue");
// console.log("contact position", contact.position);
// drawLine(contact.position.x, contact.position.y, contact.position.x + vx, contact.position.y + vy, "blue");
const contactV = { x: contact.position.y - contact.corner.y, y: contact.position.x - contact.corner.x };
console.log("contactV", contactV);
// console.log("contactV", contactV);
const normalVect = { x: contact.position.x - contact.corner.x, y: contact.position.y - contact.corner.y };
console.log("normal vector", normalVect);
drawLine(contact.corner.x, contact.corner.y, contact.corner.x + normalVect.x, contact.corner.y + normalVect.y, "black");
// console.log("normal vector", normalVect);
// drawLine(contact.corner.x, contact.corner.y, contact.corner.x + normalVect.x, contact.corner.y + normalVect.y, "black");
const tangentVect = { x: normalVect.y, y: -normalVect.x };
drawLine(contact.position.x, contact.position.y, contact.position.x + tangentVect.x, contact.position.y + tangentVect.y, "green");
// drawLine(contact.position.x, contact.position.y, contact.position.x + tangentVect.x, contact.position.y + tangentVect.y, "green");
contact.velocity = bounceVector(v, tangentVect.x, tangentVect.y);
console.log("tangent vector", tangentVect);
// console.log("tangent vector", tangentVect);
drawLine(contact.position.x, contact.position.y, contact.position.x + contact.velocity.x, contact.position.y + contact.velocity.y, "blue");
// drawLine(contact.position.x, contact.position.y, contact.position.x + contact.velocity.x, contact.position.y + contact.velocity.y, "blue");
// Velocity[entity_id] = { x: 0, y: 0 };
Velocity[entity_id] = contact.velocity;
@@ -585,23 +585,26 @@ const Move = (() => {
const rise = contact.edge.yb-contact.edge.ya;
const run = contact.edge.xb-contact.edge.xa;
drawLine(p.x - v.x, p.y - v.y, p.x, p.y, "blue"); // velocity vector
// drawLine(p.x - v.x, p.y - v.y, p.x, p.y, "blue"); // velocity vector
const det = v.x * rise - v.y * run;
drawLine(contact.edge.xa, contact.edge.ya, contact.edge.xb, contact.edge.yb, "green"); // edge vector
// drawLine(contact.edge.xa, contact.edge.ya, contact.edge.xb, contact.edge.yb, "green"); // edge vector
// contact.velocity = { x: prAvx - prBvx, y: prAvy - prBvy };
contact.velocity = bounceVector(v, run, rise);
// edge normal vector
drawLine(p.x, p.y, p.x + contact.velocity.vec2.rightNormal.x , p.y + contact.velocity.vec2.rightNormal.y, "black");
// drawLine(p.x, p.y, p.x + contact.velocity.vec2.rightNormal.x , p.y + contact.velocity.vec2.rightNormal.y, "black");
// bounced velocity vector
drawLine(p.x, p.y, p.x + contact.velocity.x, p.y + contact.velocity.y, "blue");
// drawLine(p.x, p.y, p.x + contact.velocity.x, p.y + contact.velocity.y, "blue");
if (det < 0) {
// moving towards edge
Velocity[entity_id] = contact.velocity;
// Velocity[entity_id] = { x: 0, y: 0 };
Position[entity_id] = contact.position;
} else {
// moving away from edge
Velocity[entity_id] = { x: v.x, y: v.y };
Position[entity_id] = { x: p.x, y: p.y };
}
@@ -694,10 +697,10 @@ function init() {
started = false;
const mult = 10;
s.position = { x: 0, y: -10 };
s.position = { x: 0, y: -8 };
// s.velocity = { x: 0, y: -10 };
// s.velocity = { x: 10, y: 20 };
s.velocity = { x: 5, y: 0 };
s.velocity = { x: 10, y: 20 };
s.angularVelocity = 0;
// s. velocity = { x: -5*mult, y: 7*mult };
@@ -1264,7 +1267,7 @@ function updateShip(s, elapsed) {
current = s.collision;
s.collision = detectCollision([px, py], p, s.velocity, s.radius, map, s.gearDown);
if (!current && s.collision) console.log("COLLISION", s.collision);
// if (!current && s.collision) console.log("COLLISION", s.collision);
legs.style.display = s.gearDown ? "initial" : "none";

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