// Update is called once per frame
void Update()
{
if (!PauseManager.paused && !PauseManager.reading)
{
// if the player is not in the air set their y velocity to 0
if (controller.isGrounded && velocity.y < 0)
{
velocity.y = 0;
}
// get inputs from WASD keys
float x = Input.GetAxis("Horizontal");
float z = Input.GetAxis("Vertical");
// raycast from player to the ground to determine what kind of terrain they are on
if (Physics.Raycast(transform.position, transform.TransformDirection(-Vector3.up), out toFloor, 1, layerMask))
{
// get current terrain object player is standing on, if none returns null
terrain = tEdit.GetTerrainAtObject(toFloor.transform.gameObject);
if (terrain != null)
{
tEdit.SetEditValues(terrain);
// get heightmap coords
tEdit.GetCoords(toFloor, out int terX, out int terZ);
if (tEdit.CheckIce(terX, terZ))
{
onIce = true;
}
else
{
onIce = false;
}
}
}
else
{
onIce = false;
}
// if any of these keys are pressed appropriate animations should play
if (z != 0 || x != 0)
{
// play different sound effects if the player is currently moving on sand vs ice
if (onIce)
{
if (!footstepSound[iceSound].isPlaying)
{
footstepSound[sandSound].Stop();
footstepSound[iceSound].Play();
}
}
else
{
if (!footstepSound[sandSound].isPlaying)
{
footstepSound[iceSound].Stop();
footstepSound[sandSound].Play();
}
}
// sprint button changes player's speed
if (Input.GetKey(KeyCode.LeftShift))
{
anim.SetBool("IsWalking", false);
anim.SetBool("IsRunning", true);
speed = sprintSpeed;
}
else
{
anim.SetBool("IsRunning", false);
anim.SetBool("IsWalking", true);
speed = walkSpeed;
}
}
else
{
anim.SetBool("IsWalking", false);
if (footstepSound[iceSound].isPlaying)
{
footstepSound[iceSound].Stop();
}
if (footstepSound[sandSound].isPlaying)
{
footstepSound[sandSound].Stop();
}
}
// move forwards/backwards with z and left/right with x
Vector3 move = transform.right * x + transform.forward * z;
// character controller handles the movement
controller.Move(move * speed * Time.deltaTime);
// play jump animation and calculate upwards velocity
if (Input.GetButtonDown("Jump"))
{
anim.SetTrigger("Jump");
velocity.y = Mathf.Sqrt(jumpHeight * -2f * gravity);
}
// gradually brings play back to ground
velocity.y += gravity * Time.deltaTime;
// if player is on ice then they gradually gain speed
if (onIce)
{
velocity += transform.forward * 0.7f * z;
}
else
{
// this will gradually slow down the player
velocity.x *= 90f / 100f;
velocity.z *= 90f / 100f;
}
// apply the velocity to the player
controller.Move(velocity * Time.deltaTime);
}
}