three-game-engine
Version:
Simple light-weight game engine using three.js, three-mesh-ui and rapier
73 lines (72 loc) • 3.23 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
const THREE = require("three");
const rapier3d_compat_1 = require("@dimforge/rapier3d-compat");
const GameObject_1 = require("../GameObject");
const RigidBodyComponent_1 = require("../components/RigidBodyComponent");
const defaultControllerOptions = {
walkingSpeed: 2,
runningSpeed: 4,
jumpCooldown: 1000
};
class CharacterController extends GameObject_1.default {
constructor(parent, options, controllerOptions = defaultControllerOptions) {
super(parent, {
...options // merge with any passed in GameObjectOptions
});
this.lastJumpTime = 0;
this.controllerOptions = Object.assign({}, defaultControllerOptions, controllerOptions);
this.lastJumpTime = 0;
}
afterLoaded() {
}
getDesiredYaw() {
const inputManager = this.getScene().game.inputManager;
const mouse = inputManager.mouseHandler;
return mouse.getPointerX() / -250.0;
}
getDesiredPitch() {
const inputManager = this.getScene().game.inputManager;
const mouse = inputManager.mouseHandler;
return mouse.getPointerY() / -250.0;
}
getDesiredTranslation(deltaTimeInSec) {
const inputManager = this.getScene().game.inputManager;
const keyboard = inputManager.keyboardHandler;
// meters per sec
const movementSpeed = keyboard.isShiftDown() ? this.controllerOptions.runningSpeed : this.controllerOptions.walkingSpeed;
const movementAmount = movementSpeed * deltaTimeInSec;
const desiredMovement = { x: 0, y: 0, z: 0 };
const verticalAmount = inputManager.readVerticalAxis();
desiredMovement.z += verticalAmount;
const horizontalAmount = inputManager.readHorizontalAxis();
desiredMovement.x += horizontalAmount;
const desiredMovementVector = new THREE.Vector3(desiredMovement.x, desiredMovement.y, desiredMovement.z);
desiredMovementVector.normalize();
desiredMovementVector.multiplyScalar(movementAmount);
return desiredMovementVector;
}
beforeRender({ deltaTimeInSec, time }) {
}
rayCastToGround() {
const rapierWorld = this.getScene().getRapierWorld();
const rigidBodyComponent = this.getComponent(RigidBodyComponent_1.default);
const rapierRigidBody = rigidBodyComponent.getRapierRigidBody();
const currentPosition = rapierRigidBody.translation();
const capsuleHalfHeight = 0.45 + 0.4; //this.controllerOptions.capsule.halfHeight - this.controllerOptions.capsule.radius
// Point just below the capsulate collider
const rayOrigin = {
x: currentPosition.x,
y: currentPosition.y - capsuleHalfHeight - 0.01,
z: currentPosition.z
};
const rayDirection = { x: 0, y: -1, z: 0 }; // downwards
const ray = new rapier3d_compat_1.default.Ray(rayOrigin, rayDirection);
return rapierWorld.castRay(ray, 1, true);
}
isOnGround(threshold = 0.3) {
const groundHit = this.rayCastToGround();
return groundHit ? groundHit.toi < threshold : false;
}
}
exports.default = CharacterController;