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WIP: slide along wall on collision

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Catalin Constantin Mititiuc
2026-01-21 14:16:34 -08:00
parent 20bcd976a8
commit 112c100057
1 changed files with 24 additions and 5 deletions
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29
html/images/space.svg
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@@ -125,7 +125,9 @@
<!-- <polygon class="wall" points="-10,50 -3,50 -3,60 -10,60" /> -->
<!-- <polygon class="wall" points="20,-50 10,-50 10,-60 20,-60" /> -->
<polygon class="wall" points="-10,10 10,10 10,40 -10,40" />
<!-- <polygon class="wall" points="-10,10 10,10 10,40 -10,40" /> -->
<!-- <polygon class="wall" points="-10,10 10,20 -10,40 -20,20" /> -->
<polygon class="wall" points="-10,10 10,30 -10,40 -20,20" />
<!-- <polygon class="wall" points="-20,-50 -10,-50 -10,-60 -20,-60" /> -->
<!-- <polygon class="wall" points="20,50 10,50 10,60 20,60" /> -->
@@ -542,9 +544,28 @@ const Move = (() => {
Position[entity_id] = { x: p.x, y: p.y };
}
}
} else {
if (contact.edge.xa < contact.edge.xb && contact.edge.ya < contact.edge.yb) {
// const m1 = slope({ xa: vx, ya: vy, xb: v.x, yb: v.y });
// const m2 = slope(contact.edge);
// const theta = Math.atan(Math.abs((m1-m2)/(1+m1*m2)));
const thetaY = Math.atan((contact.edge.yb - contact.edge.ya)/(contact.edge.xb-contact.edge.xa));
const thetaX = Math.atan((contact.edge.xb-contact.edge.xa)/(contact.edge.yb - contact.edge.ya));
console.log("VELOCITY", v);
Velocity[entity_id] = {
x: v.x * Math.sin(thetaX) + v.y * Math.cos(thetaY),
y: v.y * Math.sin(thetaY) + v.x * Math.cos(thetaX)
};
console.log("VELOCITY AFTER", Velocity[entity_id]);
Position[entity_id] = { x: p.x, y: p.y };
// console.log("contact", contact.edge);
// Position[entity_id] = contact.position;
} else {
}
}
}
} else {
@@ -637,7 +658,7 @@ function init() {
s.position = { x: 0, y: 0 };
// s.velocity = { x: 0, y: -10 };
s.velocity = { x: 0, y: 0 };
s.velocity = { x: 0, y: 10 };
s.angularVelocity = 0;
// s. velocity = { x: -5*mult, y: 7*mult };
@@ -1112,8 +1133,6 @@ function edgeContactPosition(xc, yc, x, y, edge, radius) {
const theta = Math.atan(normalSegLength / baseSegLength);
const h = (radius)/ Math.sin(theta);
console.log("HHHHHHHHHHHHHHHHHHHHHHHHHHHHH", h);
const cl = document.createElementNS(namespaceURIsvg, 'line');
cl.setAttribute('x1', basePosIntxn.x);
cl.setAttribute('y1', basePosIntxn.y);
Side by Side Swipe Overlay

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After

Width:  |  Height:  |  Size: 50 KiB