private void Awake()
{
myVelocity = Vector2.zero;
// Setting up references.
priv_Anim = GetComponent <Animator>();
priv_Rigidbody2D = GetComponent <Rigidbody2D>();
quickCapsule = GetComponent <CapsuleCollider2D>();
crouchCheckPosition = new Vector3(
quickCapsule.offset.x * Mathf.Abs(transform.lossyScale.x),
(quickCapsule.offset.y + quickCapsule.size.y * 0.0125f) * transform.lossyScale.y,
transform.position.z);
crouchCheckSize = new Vector2(
quickCapsule.size.x * 0.95f * Mathf.Abs(transform.lossyScale.x),
quickCapsule.size.y * 0.975f * transform.lossyScale.y);
crouchCheckDirection = quickCapsule.direction;
//not necessary, but initializing the enums here to make myself feel better
stateGrounded = PlayerStateGrounded.Idle;
stateAerial = PlayerStateAerial.No;
stateCrouch = PlayerStateCrouch.No;
myOriginalMaxSpeed = myMaxSpeed;
}
public void Move(float move, bool crouch, bool jump, bool jumpHold)
{
CollisionChecks();
if (priv_Grounded && Physics2D.OverlapCapsule(
GetCrouchCheckPos,
crouchCheckSize,
crouchCheckDirection,
0f,
priv_WhatIsCeiling
))
{
crouch = true;
}
Vector2 myGravity = (priv_Grounded) ?
Vector2.zero :
((myVelocity.y < 0) ?
new Vector2(0f, playerGravity * fallMultiplier) :
((jumpHold) ?
new Vector2(0f, playerGravity * holdJumpFallMultiplier) :
new Vector2(0f, playerGravity * lowJumpMultiplier)));
// Set whether or not the character is crouching in the animator
priv_Anim.SetBool("Crouch", crouch);
if (crouch)
{
SetStateCrouch = PlayerStateCrouch.Crouch;
}
else
{
SetStateCrouch = PlayerStateCrouch.No;
}
// Reduce the speed if crouching by the crouchSpeed multiplier
if (stateCrouch == PlayerStateCrouch.Crouch)
{
move = (crouch ? move * priv_CrouchSpeed : move);
}
//only control the player if grounded or airControl is turned on
if (priv_Grounded || priv_AirControl)
{
// The Speed animator parameter is set to the absolute value of the horizontal input.
priv_Anim.SetFloat("Speed", Mathf.Abs(move));
// Move the character
if (priv_Grounded)
{
myVelocity = new Vector2(
move * myMaxSpeed * Mathf.Cos(avgNormAngle),
move * myMaxSpeed * Mathf.Sin(avgNormAngle));
if (myVelocity.x != 0)
{
stateGrounded = PlayerStateGrounded.Run;
}
else
{
stateGrounded = PlayerStateGrounded.Idle;
}
}
else
{
myVelocity = new Vector2(move * myMaxSpeed, myVelocity.y);
if (myVelocity.y >= 0)
{
stateAerial = PlayerStateAerial.Jump;
}
else
{
stateAerial = PlayerStateAerial.Fall;
}
}
// If the input is moving the player right and the player is facing left...
if (move > 0 && !priv_FacingRight)
{
// ... flip the player.
Flip();
}
// Otherwise if the input is moving the player left and the player is facing right...
else if (move < 0 && priv_FacingRight)
{
// ... flip the player.
Flip();
}
}
myVelocity += myGravity * Time.deltaTime;
// If the player should jump...
if (jump && !crouch)
{
// Tell the game that a jump input is waiting
priv_jumpInput = true;
if (airborneFrames > airborneGracePeriod)
{
Debug.Log("air jump attempt");
}
}
if (priv_jumpInput && (priv_Grounded || airborneFrames <= airborneGracePeriod))
{
// Add a vertical force to the player.
myWallFollow = 0f;
Debug.Log(airborneFrames);
priv_jumpInput = false;
jumpBufferFrames = 0;
priv_Grounded = false;
priv_Anim.SetBool("Ground", false);
myVelocity = new Vector2(myVelocity.x, priv_JumpSpeed);
}
//Whim: How we set the player's move is dependant on the physics check
priv_Rigidbody2D.velocity = myVelocity;
transform.position += new Vector3(0f, -myWallFollow, 0f);
}
private void CollisionChecks()
{
//We now only set the object to grounded by collision. This works more reliably
capsuleBottom = new Vector3(
quickCapsule.offset.x * Mathf.Abs(transform.lossyScale.x) + transform.position.x,
quickCapsule.offset.y * transform.lossyScale.y + transform.position.y,
transform.position.z); //Whim: Forgot to remove Transform Point here. This caused the center to be far off into the distance
Vector2 quickNormal = Vector2.zero;
Vector2 quickTotalNormals = Vector2.zero;
Vector2 quickAvgNormal = Vector2.zero;
int quickTotal = 0;
rayHits = new List <RaycastHit2D>();
//Whim: A parameter to find the shortest distance from a wall
myWallFollow = Mathf.Infinity;
//Set the normals from a check flat in size
if (priv_Grounded)
{
foreach (RaycastHit2D repHit in
Physics2D.RaycastAll(
(Vector2)capsuleBottom, //Origin. Place the check from the center of the character
Vector2.down, //Direction, down of course
0.3f + Mathf.Abs(myVelocity.x * Time.deltaTime / Mathf.Tan(slipAngle * Mathf.Deg2Rad) * 3f) + quickCapsule.size.y / 2f * transform.lossyScale.y, //The distance has the speed accounted for, and the gap for when on a slope
Physics2D.GetLayerCollisionMask(LayerMask.NameToLayer("PlayerLayer"))) //The mask
)
{
if (repHit.normal.y < Mathf.Cos(slipAngle * Mathf.Deg2Rad) || repHit.distance - quickCapsule.size.y / 2f * transform.lossyScale.y <= -0.1f)
{
continue;
}
quickTotalNormals += repHit.normal;
quickTotal++;
}
//Do this check to accurately see if you're standing on a platform, and to get a good value for myFollow
foreach (RaycastHit2D repHit in
Physics2D.CapsuleCastAll(
(Vector2)capsuleBottom, //origin
new Vector2(quickCapsule.size.x * Mathf.Abs(transform.lossyScale.x), quickCapsule.size.y * transform.lossyScale.y), //size
quickCapsule.direction, //capsuleDirection
0f, //angle (it may be 90)
Vector2.down, //raycast direction
0.2f + Mathf.Abs(myVelocity.x * Time.deltaTime / Mathf.Tan(slipAngle * Mathf.Deg2Rad) * 3f), //Raycast distance.
Physics2D.GetLayerCollisionMask(LayerMask.NameToLayer("PlayerLayer")) //Collision mask
)
)
{
//Debug.Log(repHit.collider.gameObject.name);
if (repHit.normal.y < Mathf.Cos(slipAngle * Mathf.Deg2Rad) || repHit.distance <= -0.1f)
{
continue;
}
if (repHit.distance - 0.01f < myWallFollow)
{
myWallFollow = repHit.distance - 0.01f;
}
rayHits.Add(repHit);
}
}
//Debug.Log(rayHits.Count);
if (rayHits.Count == 0)
{
priv_Grounded = false;
myWallFollow = 0f;
avgNormAngle = 0f;
}
else
{
priv_Grounded = true;
stateAerial = PlayerStateAerial.No;
float slowDownSpeed = myOriginalMaxSpeed / 2f + (myOriginalMaxSpeed * (1f - Mathf.InverseLerp(steepAngle, slipAngle, Mathf.Abs(avgNormAngle) * Mathf.Rad2Deg)) / 2f);
float speedUpSpeed = myOriginalMaxSpeed + (myOriginalMaxSpeed * (Mathf.InverseLerp(speedUpAngle, slipAngle, Mathf.Abs(avgNormAngle) * Mathf.Rad2Deg)) / 3f);
if (quickTotal > 0)
{
quickAvgNormal = quickTotalNormals / (float)quickTotal;
avgNormAngle = Mathf.Atan2(quickTotalNormals.y / (float)quickTotal, quickTotalNormals.x / (float)quickTotal) - Mathf.PI / 2f;
}
else
{
myWallFollow = 0;
}
myWallFollow = ((myWallFollow > 0.03 && quickTotal > 0) ? myWallFollow : 0f);
if (quickAvgNormal.y < Mathf.Cos(steepAngle * Mathf.Deg2Rad) && myVelocity.y > 0)
{
myMaxSpeed = slowDownSpeed;
}
if (quickAvgNormal.y >= -Mathf.Cos(speedUpAngle * Mathf.Deg2Rad) && myVelocity.y < 0)
{
myMaxSpeed = speedUpSpeed;
}
}
Debug.Log("" + Mathf.Round(myVelocity.magnitude * 100f) / 100f + ", " + Mathf.Round(myMaxSpeed * 100f) / 100f + ", " + Mathf.Round(avgNormAngle * Mathf.Rad2Deg * 100f) / 100f + ", " + Mathf.Round(quickAvgNormal.y * 100f) / 100f);
priv_Anim.SetBool("Ground", priv_Grounded);
// This tracks how long the character's been in the air
// There's a threshold for this frame counter during which the player can still jump
// Theoretically this could allow for more than 1 jump in midair, but it's too small a timespan to be of much use anyhow
if (!priv_Grounded)
{
airborneFrames++;
}
else
{
airborneFrames = 0;
}
// Handles the jump buffer
// If a player presses jump right before landing, this ensures the command still goes through
// This makes the game feel more responsive
if (priv_jumpInput)
{
jumpBufferFrames++;
}
if (jumpBufferFrames > jumpBufferReset)
{
jumpBufferFrames = 0;
priv_jumpInput = false;
Debug.Log("reset");
}
// Set the vertical animation
priv_Anim.SetFloat("vSpeed", myVelocity.y);
}