protected override void Awake()
{
base.Awake();
_impulseSource = GetComponent <CinemachineImpulseSource>();
_afterImage = GetComponent <AfterImage>();
}
IEnumerator Dash()
{
Vector2 dir = spriteRenderer.flipX ? transform.right * -1 : transform.right;
rigid.velocity = Vector2.zero;
rigid.AddForce(dir * dashPower, ForceMode2D.Impulse);
rigid.gravityScale = 0;
float time = 0;
float afterTime = 0;
float targetTime = Random.Range(0.02f, 0.06f);
while (isDash)
{
time += Time.deltaTime;
afterTime += Time.deltaTime;
if (afterTime >= targetTime)
{
AfterImage ai = PoolManager.GetItem <AfterImage>();
ai.SetSprite(spriteRenderer.sprite, spriteRenderer.flipX, transform.position);
targetTime = Random.Range(0.02f, 0.06f);
afterTime = 0;
}
if (time >= dashTime)
{
isDash = false;
}
yield return(null);
}
rigid.velocity = Vector2.zero;
rigid.gravityScale = 1;
}
/// <summary>
/// 刷新残影
/// </summary>
void UpdateAfterImage()
{
//刷新残影，根据生存时间销毁已过时的残影
for (int i = 0; i < _AfterImageList.Count; i++)
{
float _PassingTime = Time.realtimeSinceStartup - _AfterImageList[i]._StartTime;
if (_PassingTime > _AfterImageList[i]._Duration)
{
AfterImage img = _AfterImageList[i];
_AfterImageList.Remove(_AfterImageList[i]);
Destroy(img);
continue;
}
if (_AfterImageList[i]._Material.HasProperty("_Color"))
{
_AfterImageList[i]._Alpha *= (1 - _PassingTime / _AfterImageList[i]._Duration);
_AfterImageColor.a = _AfterImageList[i]._Alpha;
_AfterImageList[i]._Material.SetColor("_Color", _AfterImageColor);
}
Graphics.DrawMesh(_AfterImageList[i]._Mesh, _AfterImageList[i]._Matrix, _AfterImageList[i]._Material, gameObject.layer);
}
}
public override void onDispose()
{
base.onDispose();
for (int i = 0; i < _AfterImageList.Count; i++)
{
AfterImage img = _AfterImageList[i];
_AfterImageList.Remove(_AfterImageList[i]);
Destroy(img);
}
_OpenAfterImage = false;
}
IEnumerator Dash(Vector2 dir)
{
dash.dashCDTimer = 0;
dir = dir.normalized;
float dashDur = dash.dashDuration;
if (dashDur > dash.dashCooldown)
{
throw new System.Exception("dashCooldown is set too short");
}
Vector3 startPos = transform.position;
Vector3 endPos = startPos + (Vector3)dir * dash.dashDistance;
Vector3 center = (startPos + endPos) * 0.5f;
startPos = startPos - center;
endPos = endPos - center;
for (float timer = 0; timer < dashDur; timer += Time.deltaTime)
{
//Vector3.Slerp((Vector3)startPos, (Vector3)endPos, timer / dashDur) + center;
Vector3 velocity = dir * Mathf.Sin(timer / dashDur * Mathf.PI);
rb.MovePosition(velocity + transform.position);
AfterImage afterImage = Instantiate(dash.afterImagePrefab, transform.position, Quaternion.identity);
if (dir.x > dir.y)
{
if (dir.x > -dir.y)
{
afterImage.PlayDashAnimation("Right");
}
else
{
afterImage.PlayDashAnimation("Down");
}
}
else
{
if (dir.x > -dir.y)
{
afterImage.PlayDashAnimation("Up");
}
else
{
afterImage.PlayDashAnimation("Left");
}
}
yield return(null);
}
//transform.position = new Vector3(transform.position.x, transform.position.y, 0);
}
private void CreateAfterImages()
{
if (_SpriteRenderer == null || _AfterImageMaterials == null || afterImagePrefab == null)
{
Debug.LogError(gameObject.name + ": Has no SpriteRenderer or no AfterImagePrefab or AfterImageMaterials was not found!");
Debug.Break();
return;
}
// Note: I think AfterImageGroup could be further optimized by instantiating a prefab instead of adding the component.
// Create a new gameobject and add a AfterImageGroup class to it.
AfterImageGroup group = new GameObject(gameObject.name + "_AfterImage_Group").AddComponent <AfterImageGroup>();
// Initialize _AfterImages array.
_AfterImages = new AfterImage[MAX_AMOUNT];
// Populate the array.
for (int i = 0; i < MAX_AMOUNT; i++)
{
// Instantiate afterImagePrefab and store a AfterImage class variable at the same time.
AfterImage afterImage = Instantiate(afterImagePrefab, _AfterImageMaterials.transform).GetComponent <AfterImage>();
// Name it to have everything organized in the scene hierarchy.
afterImage.name = gameObject.name + "_AfterImage" + i;
// Make it a child of the group transform (again to organize).
afterImage.transform.SetParent(group.transform);
// Set the properties that should be used by this AfterImage.
afterImage.SetProperties(_SpriteRenderer.sprite, _AfterImageMaterials.materials[i], posAndRotReference: transform);
// Add it to the _AfterImages array.
_AfterImages[i] = afterImage;
}
// Pass the _AfterImages array to the group array.
group.AfterImages = _AfterImages;
}
private Pen GetAfterImagePen(AfterImage foraimage)
{
Pen AfterImagePen = new Pen(foraimage.GetColour(), ((cBall)(OwnerBall.Target)).Radius * 2);
return AfterImagePen;
}