Function MoveObjCamera

TombEngine/Game/camera.cpp:468–532

}

void MoveObjCamera(GameVector* ideal, ItemInfo* camSlotId, int camMeshId, ItemInfo* targetItem, int targetMeshId)
{
	int	speed = 1;
	//Get mesh1 to attach camera to
	//Vector3i pos = Vector3i::Zero;
	auto pos = GetJointPosition(camSlotId, camMeshId, Vector3i::Zero);
	//Get mesh2 to attach target to
	//Vector3i pos2 = Vector3i::Zero;
	auto pos2 = GetJointPosition(targetItem, targetMeshId, Vector3i::Zero);

	if (OldCam.pos.Position != pos ||
		OldCam.targetDistance  != Camera.targetDistance  ||
		OldCam.targetElevation != Camera.targetElevation ||
		OldCam.actualElevation != Camera.actualElevation ||
		OldCam.actualAngle != Camera.actualAngle ||
		OldCam.target != Camera.target.ToVector3i() ||
		Camera.oldType != Camera.type ||
		Lara.Control.Look.IsUsingBinoculars)
	{
		OldCam.pos.Position = pos;
		OldCam.targetDistance = Camera.targetDistance;
		OldCam.targetElevation = Camera.targetElevation;
		OldCam.actualElevation = Camera.actualElevation;
		OldCam.actualAngle = Camera.actualAngle;
		OldCam.target = Camera.target.ToVector3i();
		LastIdeal = pos;
		LastIdeal.RoomNumber = ideal->RoomNumber;
		LastTarget = pos2;
	}
	else
	{
		pos  = LastIdeal.ToVector3i();
		pos2 = LastTarget.ToVector3i();
		ideal->RoomNumber = LastIdeal.RoomNumber;
	}

	Camera.pos += (ideal->ToVector3i() - Camera.pos.ToVector3i()) / speed;
	Camera.pos.RoomNumber = GetPointCollision(Camera.pos.ToVector3i(), Camera.pos.RoomNumber).GetRoomNumber();
	LookAt(&Camera, 0);

	auto angle = Camera.target.ToVector3i() - Camera.pos.ToVector3i();
	auto position = Vector3i(Camera.target.ToVector3i() - Camera.pos.ToVector3i());

	// write last frame camera angle to LastAngle to compare if next frame camera angle has a bigger step than 100.
	// To make camera movement smoother a speed of 2 is used.
	// While for big camera angle steps (cuts) -
	// the speed is set to 1 to make the cut immediatelly.
	constexpr int angleThresholdDegrees = 100;

	if (LastTarget.x - Camera.target.x > angleThresholdDegrees ||
		LastTarget.y - Camera.target.y > angleThresholdDegrees ||
		LastTarget.z - Camera.target.z > angleThresholdDegrees)
	{
		speed = 1;
	}
	else
	{
		speed = 2;