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Add maxStepHeight option to RapierCollisionWorld and update autostep settings

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This commit is contained in:
Victor Giers
2026-04-11 20:59:36 +02:00
parent 6a3b7bed16
commit bd5cb61d8e
1 changed files with 19 additions and 3 deletions
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22
src/runtime-three/rapier-collision-world.ts
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@@ -20,6 +20,7 @@ import type { RuntimeBrushTriMeshCollider, RuntimeSceneCollider } from "./runtim
const CHARACTER_CONTROLLER_OFFSET = 0.01;
const CHARACTER_CONTROLLER_SNAP_TO_GROUND_DISTANCE = 0.2;
const AUTOSTEP_MIN_WIDTH_FACTOR = 0.4285714286;
const COLLISION_EPSILON = 1e-5;
const CAMERA_COLLISION_EPSILON = 1e-3;
const MAX_WALKABLE_SLOPE_RADIANS = Math.PI * 0.25;
@@ -326,7 +327,13 @@ export async function initializeRapierCollisionWorld(): Promise<typeof RAPIER> {
}
export class RapierCollisionWorld {
static async create(colliders: RuntimeSceneCollider[], playerShape: FirstPersonPlayerShape): Promise<RapierCollisionWorld> {
static async create(
colliders: RuntimeSceneCollider[],
playerShape: FirstPersonPlayerShape,
options: {
maxStepHeight?: number;
} = {}
): Promise<RapierCollisionWorld> {
const rapier = await initializeRapierCollisionWorld();
const world = new rapier.World({
x: 0,
@@ -345,14 +352,23 @@ export class RapierCollisionWorld {
const playerCollider = createPlayerCollider(world, rapier, playerShape);
const characterController = playerCollider === null ? null : world.createCharacterController(CHARACTER_CONTROLLER_OFFSET);
const maxStepHeight = Math.max(0, options.maxStepHeight ?? 0.35);
if (characterController !== null) {
characterController.setUp({ x: 0, y: 1, z: 0 });
characterController.setSlideEnabled(true);
characterController.enableSnapToGround(
CHARACTER_CONTROLLER_SNAP_TO_GROUND_DISTANCE
Math.max(CHARACTER_CONTROLLER_SNAP_TO_GROUND_DISTANCE, maxStepHeight)
);
characterController.enableAutostep(0.35, 0.15, false);
if (maxStepHeight > COLLISION_EPSILON) {
characterController.enableAutostep(
maxStepHeight,
maxStepHeight * AUTOSTEP_MIN_WIDTH_FACTOR,
false
);
}
characterController.setMaxSlopeClimbAngle(MAX_WALKABLE_SLOPE_RADIANS);
characterController.setMinSlopeSlideAngle(Math.PI * 0.5);
}