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33333-33333 2026-07-05 18:01:36 +09:00
commit 8f9f5b5100
108 changed files with 2139 additions and 1500 deletions
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17
js/physics_helpers.js
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@ -1,19 +1,12 @@
"use strict";
(function (global) {
function rectLocalPoint(rect, x, y) {
return global.TarinaiCollisionFootprints.rectLocalPoint(rect, x, y);
}
function rectWorldVector(rect, x, y) {
return global.TarinaiCollisionFootprints.rectWorldVector(rect, x, y);
}
const Geometry = global.TarinaiGeometry;
function circleBounceOffOrientedRect(obj, rect, radius, restitution, worldRef, opts = {}) {
const hitRadius = Math.max(2, Number(radius || obj.r || obj.radius || 12) || 12);
const minBounceSpeed = Math.max(0, Number(opts.minBounceSpeed ?? rect.minBounceSpeed ?? 0) || 0);
const local = rectLocalPoint(rect, obj.x, obj.y);
const local = Geometry.rectLocalPoint(rect, obj.x, obj.y);
let clx = clamp(local.x, -(rect.halfW || 0), rect.halfW || 0);
let cly = clamp(local.y, -(rect.halfH || 0), rect.halfH || 0);
let dx = local.x - clx;
@ -23,7 +16,7 @@
const px = obj.prevX;
const py = obj.prevY;
if (!Number.isFinite(px) || !Number.isFinite(py)) return false;
const prev = rectLocalPoint(rect, px, py);
const prev = Geometry.rectLocalPoint(rect, px, py);
const expanded = { left: -(rect.halfW || 0) - hitRadius, right: (rect.halfW || 0) + hitRadius, top: -(rect.halfH || 0) - hitRadius, bottom: (rect.halfH || 0) + hitRadius };
const insideNow = local.x >= expanded.left && local.x <= expanded.right && local.y >= expanded.top && local.y <= expanded.bottom;
const insidePrev = prev.x >= expanded.left && prev.x <= expanded.right && prev.y >= expanded.top && prev.y <= expanded.bottom;
@ -54,10 +47,10 @@
}
const nxLocal = dx / d;
const nyLocal = dy / d;
const n = rectWorldVector(rect, nxLocal, nyLocal);
const n = Geometry.rectWorldVector(rect, nxLocal, nyLocal);
const nx = n.x;
const ny = n.y;
const worldClosest = rectWorldVector(rect, clx, cly);
const worldClosest = Geometry.rectWorldVector(rect, clx, cly);
obj.x = (rect.cx || 0) + worldClosest.x + nx * (hitRadius + 0.5);
obj.y = (rect.cy || 0) + worldClosest.y + ny * (hitRadius + 0.5);
const vx = obj.vx || 0;