private void ProcessCollisionInfo(CharacterCollisionFlag collisionInfo)
{
//Collision above the player.
if (collisionInfo == CharacterCollisionFlag.Up)
{
//Reset the velocity and update the grounded state.
currentGravityAmount = 0f;
isGrounded = false;
}
//Collision on the sides.
else if (collisionInfo == CharacterCollisionFlag.Sides)
{
//Update the grounded state. It may look weird, but we have to set it to true because otherwise we cannot jump while we are moving against a wall.
isGrounded = true;
}
//Collision under the player.
else if (collisionInfo == CharacterCollisionFlag.Down)
{
//Reset the velocity and update the grounded state.
currentGravityAmount = 0f;
isGrounded = true;
}
//No collision. Update the grounded state.
else
{
isGrounded = false;
}
}
private void Move(Vector2 inputDir)
{
//Get the target move speed.
Vector2 targetMoveSpeed = new Vector2(moveSpeed * inputDir.x, moveSpeed * inputDir.y);
//Interpolate the move speed to get smooth movement.
currentMoveSpeed.x = MathEx.Lerp(currentMoveSpeed.x, targetMoveSpeed.x, Time.FrameDelta / 0.04f);
currentMoveSpeed.y = MathEx.Lerp(currentMoveSpeed.y, targetMoveSpeed.y, Time.FrameDelta / 0.04f);
//Apply gravity.
currentGravityAmount -= gravity * Time.FrameDelta;
//Jumping.
if (Input.IsButtonDown(ButtonCode.Space) && isGrounded)
{
currentGravityAmount = MovementUtilities.CalculateJumpVelocity(gravity, jumpHeight);
}
//Calculate the move velocity.
Vector3 moveVelocity = SceneObject.Forward * currentMoveSpeed.y + SceneObject.Right * currentMoveSpeed.x + Vector3.YAxis * currentGravityAmount;
//Move the player and catch the collision flag.
CharacterCollisionFlag collisionInfo = controller.Move(moveVelocity * Time.FrameDelta);
//Pass the collision flag to the collision handler method, and invoke it.
ProcessCollisionInfo(collisionInfo);
}
/// <summary>
/// Moves the controller in the specified direction by the specified amount, while interacting with surrounding
/// geometry.Returns flags signaling where collision occurred after the movement.
///
/// Does not account for gravity, you must apply it manually.
/// </summary>
/// <param name="position">Position to move the controller to, in world space.</param>
public CharacterCollisionFlag Move(Vector3 position)
{
if (native == null)
{
return(0);
}
CharacterCollisionFlag output = native.Move(position);
UpdatePositionFromController();
return(output);
}
