1.Player - PlayerHealth
| Lerp | Linearly interpolates between colors a and b by t. |
Linearly interpolates between colors a and b by t.
t is clamped between 0 and 1. When t is 0 returns a. When t is 1 returns b.
using UnityEngine;
using UnityEngine.UI;
using System.Collections;
using UnityEngine.SceneManagement;
namespace CompleteProject
{
public class PlayerHealth : MonoBehaviour
{
public int startingHealth = 100; // The amount of health the player starts the game with.
public int currentHealth; // The current health the player has.
public Slider healthSlider; // Reference to the UI's health bar.
public Image damageImage; // Reference to an image to flash on the screen on being hurt.
public AudioClip deathClip; // The audio clip to play when the player dies.
public float flashSpeed = 5f; // The speed the damageImage will fade at.
public Color flashColour = new Color(1f, 0f, 0f, 0.1f); // The colour the damageImage is set to, to flash.
Animator anim; // Reference to the Animator component.
AudioSource playerAudio; // Reference to the AudioSource component.
PlayerMovement playerMovement; // Reference to the player's movement.
PlayerShooting playerShooting; // Reference to the PlayerShooting script.
bool isDead; // Whether the player is dead.
bool damaged; // True when the player gets damaged.
void Awake ()
{
// Setting up the references.
anim = GetComponent <Animator> ();
playerAudio = GetComponent <AudioSource> ();
playerMovement = GetComponent <PlayerMovement> ();
playerShooting = GetComponentInChildren <PlayerShooting> ();
// Set the initial health of the player.
currentHealth = startingHealth;
}
void Update ()
{
// If the player has just been damaged...
if(damaged)
{
// ... set the colour of the damageImage to the flash colour.
damageImage.color = flashColour;
}
// Otherwise...
else
{
// ... transition the colour back to clear.
damageImage.color = Color.Lerp (damageImage.color, Color.clear, flashSpeed * Time.deltaTime);
}
// Reset the damaged flag.
damaged = false;
}
public void TakeDamage (int amount)
{
// Set the damaged flag so the screen will flash.
damaged = true;
// Reduce the current health by the damage amount.
currentHealth -= amount;
// Set the health bar's value to the current health.
healthSlider.value = currentHealth;
// Play the hurt sound effect.
playerAudio.Play ();
// If the player has lost all it's health and the death flag hasn't been set yet...
if(currentHealth <= 0 && !isDead)
{
// ... it should die.
Death ();
}
}
void Death ()
{
// Set the death flag so this function won't be called again.
isDead = true;
// Turn off any remaining shooting effects.
playerShooting.DisableEffects ();
// Tell the animator that the player is dead.
anim.SetTrigger ("Die");
// Set the audiosource to play the death clip and play it (this will stop the hurt sound from playing).
playerAudio.clip = deathClip;
playerAudio.Play ();
// Turn off the movement and shooting scripts.
playerMovement.enabled = false;
playerShooting.enabled = false;
}
public void RestartLevel ()
{
// Reload the level that is currently loaded.
SceneManager.LoadScene (0);
}
}
}Player - PlayerMovement
using UnityEngine;
using UnitySampleAssets.CrossPlatformInput;
namespace CompleteProject
{
public class PlayerMovement : MonoBehaviour
{
public float speed = 6f; // The speed that the player will move at.
Vector3 movement; // The vector to store the direction of the player's movement.
Animator anim; // Reference to the animator component.
Rigidbody playerRigidbody; // Reference to the player's rigidbody.
#if !MOBILE_INPUT
int floorMask; // A layer mask so that a ray can be cast just at gameobjects on the floor layer.
float camRayLength = 100f; // The length of the ray from the camera into the scene.
#endif
void Awake ()
{
#if !MOBILE_INPUT
// Create a layer mask for the floor layer.
floorMask = LayerMask.GetMask ("Floor");
#endif
// Set up references.
anim = GetComponent <Animator> ();
playerRigidbody = GetComponent <Rigidbody> ();
}
void FixedUpdate ()
{
// Store the input axes.
float h = CrossPlatformInputManager.GetAxisRaw("Horizontal");
float v = CrossPlatformInputManager.GetAxisRaw("Vertical");
// Move the player around the scene.
Move (h, v);
// Turn the player to face the mouse cursor.
Turning ();
// Animate the player.
Animating (h, v);
}
void Move (float h, float v)
{
// Set the movement vector based on the axis input.
movement.Set (h, 0f, v);
// Normalise the movement vector and make it proportional to the speed per second.
movement = movement.normalized * speed * Time.deltaTime;
// Move the player to it's current position plus the movement.
playerRigidbody.MovePosition (transform.position + movement);
}
void Turning ()
{
#if !MOBILE_INPUT
// Create a ray from the mouse cursor on screen in the direction of the camera.
Ray camRay = Camera.main.ScreenPointToRay (Input.mousePosition);
// Create a RaycastHit variable to store information about what was hit by the ray.
RaycastHit floorHit;
// Perform the raycast and if it hits something on the floor layer...
if(Physics.Raycast (camRay, out floorHit, camRayLength, floorMask))
{
// Create a vector from the player to the point on the floor the raycast from the mouse hit.
Vector3 playerToMouse = floorHit.point - transform.position;
// Ensure the vector is entirely along the floor plane.
playerToMouse.y = 0f;
// Create a quaternion (rotation) based on looking down the vector from the player to the mouse.
Quaternion newRotatation = Quaternion.LookRotation (playerToMouse);
// Set the player's rotation to this new rotation.
playerRigidbody.MoveRotation (newRotatation);
}
#else
Vector3 turnDir = new Vector3(CrossPlatformInputManager.GetAxisRaw("Mouse X") , 0f , CrossPlatformInputManager.GetAxisRaw("Mouse Y"));
if (turnDir != Vector3.zero)
{
// Create a vector from the player to the point on the floor the raycast from the mouse hit.
Vector3 playerToMouse = (transform.position + turnDir) - transform.position;
// Ensure the vector is entirely along the floor plane.
playerToMouse.y = 0f;
// Create a quaternion (rotation) based on looking down the vector from the player to the mouse.
Quaternion newRotatation = Quaternion.LookRotation(playerToMouse);
// Set the player's rotation to this new rotation.
playerRigidbody.MoveRotation(newRotatation);
}
#endif
}
void Animating (float h, float v)
{
// Create a boolean that is true if either of the input axes is non-zero.
bool walking = h != 0f || v != 0f;
// Tell the animator whether or not the player is walking.
anim.SetBool ("IsWalking", walking);
}
}
}Player - PlayerShooting
using UnityEngine;
using UnitySampleAssets.CrossPlatformInput;
namespace CompleteProject
{
public class PlayerShooting : MonoBehaviour
{
public int damagePerShot = 20; // The damage inflicted by each bullet.
public float timeBetweenBullets = 0.15f; // The time between each shot.
public float range = 100f; // The distance the gun can fire.
float timer; // A timer to determine when to fire.
Ray shootRay = new Ray(); // A ray from the gun end forwards.
RaycastHit shootHit; // A raycast hit to get information about what was hit.
int shootableMask; // A layer mask so the raycast only hits things on the shootable layer.
ParticleSystem gunParticles; // Reference to the particle system.
LineRenderer gunLine; // Reference to the line renderer.
AudioSource gunAudio; // Reference to the audio source.
Light gunLight; // Reference to the light component.
public Light faceLight; // Duh
float effectsDisplayTime = 0.2f; // The proportion of the timeBetweenBullets that the effects will display for.
void Awake ()
{
// Create a layer mask for the Shootable layer.
shootableMask = LayerMask.GetMask ("Shootable");
// Set up the references.
gunParticles = GetComponent<ParticleSystem> ();
gunLine = GetComponent <LineRenderer> ();
gunAudio = GetComponent<AudioSource> ();
gunLight = GetComponent<Light> ();
//faceLight = GetComponentInChildren<Light> ();
}
void Update ()
{
// Add the time since Update was last called to the timer.
timer += Time.deltaTime;
#if !MOBILE_INPUT
// If the Fire1 button is being press and it's time to fire...
if(Input.GetButton ("Fire1") && timer >= timeBetweenBullets && Time.timeScale != 0)
{
// ... shoot the gun.
Shoot ();
}
#else
// If there is input on the shoot direction stick and it's time to fire...
if ((CrossPlatformInputManager.GetAxisRaw("Mouse X") != 0 || CrossPlatformInputManager.GetAxisRaw("Mouse Y") != 0) && timer >= timeBetweenBullets)
{
// ... shoot the gun
Shoot();
}
#endif
// If the timer has exceeded the proportion of timeBetweenBullets that the effects should be displayed for...
if(timer >= timeBetweenBullets * effectsDisplayTime)
{
// ... disable the effects.
DisableEffects ();
}
}
public void DisableEffects ()
{
// Disable the line renderer and the light.
gunLine.enabled = false;
faceLight.enabled = false;
gunLight.enabled = false;
}
void Shoot ()
{
// Reset the timer.
timer = 0f;
// Play the gun shot audioclip.
gunAudio.Play ();
// Enable the lights.
gunLight.enabled = true;
faceLight.enabled = true;
// Stop the particles from playing if they were, then start the particles.
gunParticles.Stop ();
gunParticles.Play ();
// Enable the line renderer and set it's first position to be the end of the gun.
gunLine.enabled = true;
gunLine.SetPosition (0, transform.position);
// Set the shootRay so that it starts at the end of the gun and points forward from the barrel.
shootRay.origin = transform.position;
shootRay.direction = transform.forward;
// Perform the raycast against gameobjects on the shootable layer and if it hits something...
if(Physics.Raycast (shootRay, out shootHit, range, shootableMask))
{
// Try and find an EnemyHealth script on the gameobject hit.
EnemyHealth enemyHealth = shootHit.collider.GetComponent <EnemyHealth> ();
// If the EnemyHealth component exist...
if(enemyHealth != null)
{
// ... the enemy should take damage.
enemyHealth.TakeDamage (damagePerShot, shootHit.point);
}
// Set the second position of the line renderer to the point the raycast hit.
gunLine.SetPosition (1, shootHit.point);
}
// If the raycast didn't hit anything on the shootable layer...
else
{
// ... set the second position of the line renderer to the fullest extent of the gun's range.
gunLine.SetPosition (1, shootRay.origin + shootRay.direction * range);
}
}
}
}2.Enemy - EnemyHealth
using UnityEngine;
namespace CompleteProject
{
public class EnemyHealth : MonoBehaviour
{
public int startingHealth = 100; // The amount of health the enemy starts the game with.
public int currentHealth; // The current health the enemy has.
public float sinkSpeed = 2.5f; // The speed at which the enemy sinks through the floor when dead.
public int scoreValue = 10; // The amount added to the player's score when the enemy dies.
public AudioClip deathClip; // The sound to play when the enemy dies.
Animator anim; // Reference to the animator.
AudioSource enemyAudio; // Reference to the audio source.
ParticleSystem hitParticles; // Reference to the particle system that plays when the enemy is damaged.
CapsuleCollider capsuleCollider; // Reference to the capsule collider.
bool isDead; // Whether the enemy is dead.
bool isSinking; // Whether the enemy has started sinking through the floor.
void Awake ()
{
// Setting up the references.
anim = GetComponent <Animator> ();
enemyAudio = GetComponent <AudioSource> ();
hitParticles = GetComponentInChildren <ParticleSystem> ();
capsuleCollider = GetComponent <CapsuleCollider> ();
// Setting the current health when the enemy first spawns.
currentHealth = startingHealth;
}
void Update ()
{
// If the enemy should be sinking...
if(isSinking)
{
// ... move the enemy down by the sinkSpeed per second.
transform.Translate (-Vector3.up * sinkSpeed * Time.deltaTime);
}
}
public void TakeDamage (int amount, Vector3 hitPoint)
{
// If the enemy is dead...
if(isDead)
// ... no need to take damage so exit the function.
return;
// Play the hurt sound effect.
enemyAudio.Play ();
// Reduce the current health by the amount of damage sustained.
currentHealth -= amount;
// Set the position of the particle system to where the hit was sustained.
hitParticles.transform.position = hitPoint;
// And play the particles.
hitParticles.Play();
// If the current health is less than or equal to zero...
if(currentHealth <= 0)
{
// ... the enemy is dead.
Death ();
}
}
void Death ()
{
// The enemy is dead.
isDead = true;
// Turn the collider into a trigger so shots can pass through it.
capsuleCollider.isTrigger = true;
// Tell the animator that the enemy is dead.
anim.SetTrigger ("Dead");
// Change the audio clip of the audio source to the death clip and play it (this will stop the hurt clip playing).
enemyAudio.clip = deathClip;
enemyAudio.Play ();
}
public void StartSinking ()
{
// Find and disable the Nav Mesh Agent.
GetComponent <UnityEngine.AI.NavMeshAgent> ().enabled = false;
// Find the rigidbody component and make it kinematic (since we use Translate to sink the enemy).
GetComponent <Rigidbody> ().isKinematic = true;
// The enemy should no sink.
isSinking = true;
// Increase the score by the enemy's score value.
ScoreManager.score += scoreValue;
// After 2 seconds destory the enemy.
Destroy (gameObject, 2f);
}
}
}Enemy - EnemyMovement
using UnityEngine;
using System.Collections;
namespace CompleteProject
{
public class EnemyMovement : MonoBehaviour
{
Transform player; // Reference to the player's position.
PlayerHealth playerHealth; // Reference to the player's health.
EnemyHealth enemyHealth; // Reference to this enemy's health.
UnityEngine.AI.NavMeshAgent nav; // Reference to the nav mesh agent.
void Awake ()
{
// Set up the references.
player = GameObject.FindGameObjectWithTag ("Player").transform;
playerHealth = player.GetComponent <PlayerHealth> ();
enemyHealth = GetComponent <EnemyHealth> ();
nav = GetComponent <UnityEngine.AI.NavMeshAgent> ();
}
void Update ()
{
// If the enemy and the player have health left...
if(enemyHealth.currentHealth > 0 && playerHealth.currentHealth > 0)
{
// ... set the destination of the nav mesh agent to the player.
nav.SetDestination (player.position);
}
// Otherwise...
else
{
// ... disable the nav mesh agent.
nav.enabled = false;
}
}
}
}Enemy - EnemyAttack
using UnityEngine;
using System.Collections;
namespace CompleteProject
{
public class EnemyAttack : MonoBehaviour
{
public float timeBetweenAttacks = 0.5f; // The time in seconds between each attack.
public int attackDamage = 10; // The amount of health taken away per attack.
Animator anim; // Reference to the animator component.
GameObject player; // Reference to the player GameObject.
PlayerHealth playerHealth; // Reference to the player's health.
EnemyHealth enemyHealth; // Reference to this enemy's health.
bool playerInRange; // Whether player is within the trigger collider and can be attacked.
float timer; // Timer for counting up to the next attack.
void Awake ()
{
// Setting up the references.
player = GameObject.FindGameObjectWithTag ("Player");
playerHealth = player.GetComponent <PlayerHealth> ();
enemyHealth = GetComponent<EnemyHealth>();
anim = GetComponent <Animator> ();
}
void OnTriggerEnter (Collider other)
{
// If the entering collider is the player...
if(other.gameObject == player)
{
// ... the player is in range.
playerInRange = true;
}
}
void OnTriggerExit (Collider other)
{
// If the exiting collider is the player...
if(other.gameObject == player)
{
// ... the player is no longer in range.
playerInRange = false;
}
}
void Update ()
{
// Add the time since Update was last called to the timer.
timer += Time.deltaTime;
// If the timer exceeds the time between attacks, the player is in range and this enemy is alive...
if(timer >= timeBetweenAttacks && playerInRange && enemyHealth.currentHealth > 0)
{
// ... attack.
Attack ();
}
// If the player has zero or less health...
if(playerHealth.currentHealth <= 0)
{
// ... tell the animator the player is dead.
anim.SetTrigger ("PlayerDead");
}
}
void Attack ()
{
// Reset the timer.
timer = 0f;
// If the player has health to lose...
if(playerHealth.currentHealth > 0)
{
// ... damage the player.
playerHealth.TakeDamage (attackDamage);
}
}
}
}Camera - CameraFollow
using UnityEngine;
using System.Collections;
namespace CompleteProject
{
public class CameraFollow : MonoBehaviour
{
public Transform target; // The position that that camera will be following.
public float smoothing = 5f; // The speed with which the camera will be following.
Vector3 offset; // The initial offset from the target.
void Start ()
{
// Calculate the initial offset.
offset = transform.position - target.position;
}
void FixedUpdate ()
{
// Create a postion the camera is aiming for based on the offset from the target.
Vector3 targetCamPos = target.position + offset;
// Smoothly interpolate between the camera's current position and it's target position.
transform.position = Vector3.Lerp (transform.position, targetCamPos, smoothing * Time.deltaTime);
}
}
}Audio - MixLevels
using UnityEngine;
using System.Collections;
using UnityEngine.Audio;
public class MixLevels : MonoBehaviour {
public AudioMixer masterMixer;
public void SetSfxLvl(float sfxLvl)
{
masterMixer.SetFloat("sfxVol", sfxLvl);
}
public void SetMusicLvl (float musicLvl)
{
masterMixer.SetFloat ("musicVol", musicLvl);
}
}