Updated test cases for frontend-backend-collision-reconciliation.

frontend/assets/scripts/collision_test_nodejs.js

@@ -0,0 +1,39 @@
+const collisions = require('./modules/Collisions');
+
+const collisionSys = new collisions.Collisions();
+
+/*
+Backend result reference
+
+2022-10-22T12:11:25.156+0800	INFO	collider_visualizer/worldColliderDisplay.go:77	Collided: player.X=1257.665, player.Y=1415.335, oldDx=-2.98, oldDy=-50, playerShape=&{[[0 0] [64 0] [64 64] [0 64]] 1254.685 1365.335 true}, toCheckBarrier=&{[[628.626 54.254500000000064] [0 56.03250000000003] [0.42449999999999477 1.1229999999999905] [625.9715000000001 0]] 1289.039 1318.0805 true}, pushbackX=-0.15848054013127655, pushbackY=-56.03205175509715, result=&{56.03227587710039 -0.0028283794946841584 -0.9999960001267175 false false [0.9988052279193613 -0.04886836073527201]}
+*/
+function polygonStr(body) {
+  let coords = [];
+  let cnt = body._coords.length;
+  for (let ix = 0, iy = 1; ix < cnt; ix += 2, iy += 2) {
+    coords.push([body._coords[ix], body._coords[iy]]);
+  }
+  return JSON.stringify(coords);
+}
+
+const playerCollider = collisionSys.createPolygon(1257.665, 1415.335, [[0, 0], [64, 0], [64, 64], [0, 64]]);
+const barrierCollider = collisionSys.createPolygon(1289.039, 1318.0805, [[628.626, 54.254500000000064], [0, 56.03250000000003], [0.42449999999999477, 1.1229999999999905], [625.9715000000001, 0]]);
+
+const oldDx = -2.98;
+const oldDy = -50.0;
+
+playerCollider.x += oldDx;
+playerCollider.y += oldDy;
+
+collisionSys.update();
+const result = collisionSys.createResult();
+
+const potentials = playerCollider.potentials();
+
+let overlapCheckId = 0;
+for (const barrier of potentials) {
+  if (!playerCollider.collides(barrier, result)) continue;
+  const pushbackX = result.overlap * result.overlap_x;
+  const pushbackY = result.overlap * result.overlap_y;
+  console.log("For overlapCheckId=" + overlapCheckId + ", the overlap: a=", polygonStr(result.a), ", b=", polygonStr(result.b), ", pushbackX=", pushbackX, ", pushbackY=", pushbackY);
+}

frontend/assets/scripts/collision_test_nodejs.js.meta

@@ -0,0 +1,9 @@
+{
+  "ver": "1.0.5",
+  "uuid": "fce86138-76fc-44d5-8eac-2731b3b0cefd",
+  "isPlugin": false,
+  "loadPluginInWeb": true,
+  "loadPluginInNative": true,
+  "loadPluginInEditor": false,
+  "subMetas": {}
+}