public static bool CheckIfCharacterOnGround(GameEntity characterEntity, out Vector2 hitNormal, out float distanceToGround)
{
if (characterEntity.hasCollider && characterEntity.collider.Collider != null)
{
BoxCollider2D collider = characterEntity.collider.Collider;
Bounds characterBounds = collider.bounds;
Vector2 rayStart = new Vector2(characterBounds.min.x + characterBounds.size.x / 2, characterBounds.min.y);
Debug.DrawRay(rayStart, Vector2.down * kGroundCheckDistance, Color.red, kDebugRayDuration);
RaycastHit2D[] castResults = new RaycastHit2D[1];
ContactFilter2D contactFilter2D = new ContactFilter2D();
contactFilter2D.SetLayerMask(LayerMask.GetMask(Tags.Ground));
CharacterGroundState characterGroundState = characterEntity.characterGroundState.Value;
if (characterGroundState == CharacterGroundState.OnGround ||
characterGroundState == CharacterGroundState.OnSlopeAhead ||
characterGroundState == CharacterGroundState.OnSlopeBehind)
{
if (collider.Cast(Vector2.down, contactFilter2D, castResults, characterEntity.stepSize.StepSize) > 0)
{
hitNormal = castResults[0].normal;
distanceToGround = castResults[0].distance;
return(true);
}
}
else
{
if (collider.Cast(Vector2.down, contactFilter2D, castResults, kGroundCheckDistance) > 0)
{
hitNormal = castResults[0].normal;
distanceToGround = castResults[0].distance;
return(true);
}
}
}
hitNormal = Vector2.zero;
distanceToGround = 0;
return(false);
}
private bool IsValidGroundState(CharacterGroundState stateToCheck)
{
return(stateToCheck == CharacterGroundState.OnGround ||
stateToCheck == CharacterGroundState.OnSlopeAhead ||
stateToCheck == CharacterGroundState.OnSlopeBehind);
}
