/// <summary>
/// In order to keep the class testable, we need to reduce the number of
/// dependencies injected through static classes at its minimum.
/// Implementors are the place where platform dependencies can be transformed into
/// entity components, so that here we can use inputComponent instead of
/// the class Input.
/// </summary>
/// <param name="playerEntityView"></param>
/// <param name="entityView"></param>
void Movement(ref PlayerInputDataStruct playerEntityView, ref PlayerEntityView entityView)
{
// Store the input axes.
Vector3 input = playerEntityView.input;
// Normalise the movement vector and make it proportional to the speed per second.
Vector3 movement = input.normalized * entityView.speedComponent.movementSpeed * _time.deltaTime;
// Move the player to it's current position plus the movement.
entityView.transformComponent.position = entityView.positionComponent.position + movement;
}
void Turning(ref PlayerInputDataStruct playerEntityView, ref PlayerEntityView entityView)
{
// Create a ray from the mouse cursor on screen in the direction of the camera.
Ray camRay = playerEntityView.camRay;
// Perform the raycast and if it hits something on the floor layer...
Vector3 point;
if (_rayCaster.CheckHit(camRay, camRayLength, floorMask, out point) != -1)
{
// Create a vector from the player to the point on the floor the raycast from the mouse hit.
Vector3 playerToMouse = point - entityView.positionComponent.position;
// Ensure the vector is entirely along the floor plane.
playerToMouse.y = 0f;
// Create a quaternion (rotation) based on looking down the vector from the player to the mouse.
Quaternion newRotatation = Quaternion.LookRotation(playerToMouse);
// Set the player's rotation to this new rotation.
entityView.transformComponent.rotation = newRotatation;
}
}