repond-movers/src/consts.ts

movers for repond

import { OnePhysicsConfig, MoveMode, MoverMode } from "./types";

// physics world options
export const maximumFrameTime = 250;
// run physics every physicsTimestep Milliseconds
export const physicsTimestep = 0.5;
export const physicsTimestepInSeconds = physicsTimestep * 0.001;

export const recentSpeedsAmount = 10;

const defaultStopSpeedByMode = {
  "1d": 0.01,
  "2d": 1,
  "3d": 0.5,
  multi: 1,
};

export const defaultPhysics = (mode: MoverMode): OnePhysicsConfig => ({
  // spring
  mass: 41.5,
  stiffness: 20,
  damping: 1,
  stopSpeed: defaultStopSpeedByMode[mode],
  // slide
  friction: 0.16,
});

export const defaultOptions = {
  moveMode: "spring" as MoveMode,
  physicsConfigName: "default",
};