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Into the Cup

Part of the Physics and Gameplay section of Coddy's Unity journey. Lesson 69 of 71.

challenge icon

Challenge

Hard

Let a slow marble drop into the cup.

  1. In Hole, add void OnTriggerEnter(Collider other).
  2. When other.TryGetComponent(out Golf golf) and other.attachedRigidbody.linearVelocity.magnitude < sinkSpeed, log "In the cup in " + golf.strokes + " strokes!" and call other.gameObject.SetActive(false);.

Press Play and sink the marble: a fast one rolls over the cup. Then Check.

Try it yourself

using UnityEngine;

public class Hole : MonoBehaviour
{
    [SerializeField] private float sinkSpeed = 3f;

    // a slow marble drops into the cup, a fast one rolls over
}

All lessons in Physics and Gameplay

1Rigidbody

Gravity and MassPush with AddForceJump with an ImpulseFixedUpdate for PhysicsVelocityKinematic BodiesRecap: Launch Pad

4Coroutines

InvokeInvokeRepeating, CancelInvokeYour First CoroutineLoops in CoroutinesStopping CoroutinesRecap: Countdown

7Rotation

Euler AnglesQuaternionsFace the Way You MoveTurn SmoothlyRecap: Turret

10Project: Arena Escape

The ArenaHuntersProject lessonWavesProject lessonHit PointsProject lessonThe Hunters BiteProject lessonThe ExitProject lessonOpen After the Last WaveProject lesson

2Collisions

OnCollisionEnterWhat Did I Hit?Break on ImpactStanding on the GroundBounce and FrictionCollider ShapesRecap: Breakable Wall

5Project: Coin Rush

The Rolling BallCoins to CollectProject lessonKeeping ScoreProject lessonCoins Come BackProject lessonBeat the ClockProject lessonYou WinProject lessonYou LoseProject lesson

8The Camera

Smooth FollowOrbit CameraLook AheadCamera ShakeRecap: Chase Camera

11Final Challenges

Cannon RangeMoving TargetsMarble GolfInto the CupEscape RoomThe Door

3Triggers

Trigger CollidersOnTriggerEnterPickupsCrates Keep the RestKill ZonesEnter and ExitRecap: Key and Door

6Raycasts

Physics.RaycastRaycastHitGround Check with a RayLayers and LayerMaskLine of SightOverlapSphere and SphereCastRecap: Laser Tripwire

9Enemies

Chase the PlayerChase in RangePatrol and ChaseHealth and DamageBullets That HitKnockbackRecap: Guard Dog

Practice on your own: Unity playground