CharacterController2D.handleHorizontalSlope C# (CSharp) Method

	private bool handleHorizontalSlope( ref Vector3 deltaMovement, float angle )
	{
		// disregard 90 degree angles (walls)
		if( Mathf.RoundToInt( angle ) == 90 )
			return false;

		// if we can walk on slopes and our angle is small enough we need to move up
		if( angle < slopeLimit )
		{
			// we only need to adjust the deltaMovement if we are not jumping
			// TODO: this uses a magic number which isn't ideal!
			if( deltaMovement.y < jumpingThreshold )
			{
				// apply the slopeModifier to slow our movement up the slope
				var slopeModifier = slopeSpeedMultiplier.Evaluate( angle );
				deltaMovement.x *= slopeModifier;

				// we dont set collisions on the sides for this since a slope is not technically a side collision

				// smooth y movement when we climb. we make the y movement equivalent to the actual y location that corresponds
				// to our new x location using our good friend Pythagoras
				deltaMovement.y = Mathf.Abs( Mathf.Tan( angle * Mathf.Deg2Rad ) * deltaMovement.x );
				_isGoingUpSlope = true;

				collisionState.below = true;
			}
		}
		else // too steep. get out of here
		{
			deltaMovement.x = 0;
		}

		return true;
	}