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Code Issues Projects Releases Activity

Use relative mouse motion to control player look

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This commit is contained in:
Daniel Evans 2016-12-06 22:40:42 +00:00
parent eb71f59594
commit 7c41821b6c
2 changed files with 34 additions and 39 deletions
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69
rwgame/states/IngameState.cpp
View File

@ -22,7 +22,7 @@
constexpr float kAutoLookTime = 2.f;
constexpr float kAutolookMinVelocity = 0.2f;
const float kInGameFOV = glm::half_pi<float>();
const float kMaxRotationRate = glm::half_pi<float>();
const float kMaxRotationRate = glm::quarter_pi<float>();
const float kCameraPitchLimit = glm::quarter_pi<float>() * 0.5f;
const float kVehicleCameraPitch =
glm::half_pi<float>() - glm::quarter_pi<float>() * 0.25f;
@ -34,7 +34,6 @@ IngameState::IngameState(RWGame* game, bool newgame, const std::string& save)
, newgame(newgame)
, autolookTimer(0.f)
, camMode(IngameState::CAMERA_NORMAL)
, m_cameraAngles{0.f, glm::half_pi<float>()}
, m_invertedY(game->getConfig().getInputInvertY())
, m_vehicleFreeLook(true) {
}
@ -154,42 +153,45 @@ void IngameState::tick(float dt) {
targetPosition += glm::vec3(0.f, 0.f, 1.f);
lookTargetPosition += glm::vec3(0.f, 0.f, 0.5f);
auto look = player->getCharacter()->getLook();
look += cameradelta_;
cameradelta_ = glm::vec2();
look.y = glm::clamp(look.y, kCameraPitchLimit,
glm::pi<float>() - kCameraPitchLimit);
auto vehicle =
(target->type() == GameObject::Character)
? static_cast<CharacterObject*>(target)->getCurrentVehicle()
: nullptr;
if (vehicle) {
// Rotate the camera to the ideal angle if the player isn't moving
// it
float velocity = vehicle->getVelocity();
if (autolookTimer <= 0.f &&
glm::abs(velocity) > kAutolookMinVelocity) {
auto idealYaw = glm::roll(vehicle->getRotation());
const auto idealPitch = kVehicleCameraPitch;
if (glm::abs(velocity) > kAutolookMinVelocity &&
autolookTimer <= 0.f) {
glm::vec2 ideal(glm::roll(vehicle->getRotation()),
kVehicleCameraPitch);
if (velocity < 0.f) {
idealYaw = glm::mod(idealYaw - glm::pi<float>(),
glm::pi<float>() * 2.f);
ideal.x = glm::mod(ideal.x - glm::pi<float>(),
glm::pi<float>() * 2.f);
}
float currentYaw =
glm::mod(m_cameraAngles.x, glm::pi<float>() * 2);
float currentPitch = m_cameraAngles.y;
float deltaYaw = idealYaw - currentYaw;
float deltaPitch = idealPitch - currentPitch;
if (glm::abs(deltaYaw) > glm::pi<float>()) {
deltaYaw -= glm::sign(deltaYaw) * glm::pi<float>() * 2.f;
glm::vec2 current(glm::mod(look.x, glm::pi<float>() * 2),
look.y);
auto delta = ideal - current;
if (glm::abs(delta.x) > glm::pi<float>()) {
delta.x -= glm::sign(delta.x) * glm::pi<float>() * 2.f;
}
m_cameraAngles.x +=
glm::sign(deltaYaw) *
std::min(kMaxRotationRate * dt, glm::abs(deltaYaw));
m_cameraAngles.y +=
glm::sign(deltaPitch) *
std::min(kMaxRotationRate * dt, glm::abs(deltaPitch));
look += glm::clamp(delta, -kMaxRotationRate * dt,
kMaxRotationRate * dt);
}
if (!m_vehicleFreeLook) {
look.y = kVehicleCameraPitch;
}
}
glm::vec3 movement;
movement.x = input(GameInputState::GoForward) -
input(GameInputState::GoBackwards);
input(GameInputState::GoBackwards),
movement.y =
input(GameInputState::GoLeft) - input(GameInputState::GoRight);
/// @todo replace with correct sprint behaviour
@ -229,8 +231,8 @@ void IngameState::tick(float dt) {
} else {
player->setMoveDirection(glm::vec3(0.f));
}
player->setLookDirection(m_cameraAngles);
}
player->setLookDirection(look);
}
}
@ -308,15 +310,11 @@ void IngameState::handlePlayerInput(const SDL_Event& event) {
glm::vec2 mouseMove(
event.motion.xrel / static_cast<float>(screenSize.x),
event.motion.yrel / static_cast<float>(screenSize.y));
autolookTimer = kAutoLookTime;
if (!m_invertedY) {
if (m_invertedY) {
mouseMove.y = -mouseMove.y;
}
m_cameraAngles += glm::vec2(-mouseMove.x, mouseMove.y);
m_cameraAngles.y =
glm::clamp(m_cameraAngles.y, kCameraPitchLimit,
glm::pi<float>() - kCameraPitchLimit);
cameradelta_ -= mouseMove;
}
break;
default:
@ -414,10 +412,6 @@ const ViewCamera& IngameState::getCamera(float alpha) {
lookTargetPosition.z += (vehicle->info->handling.dimensions.z * 0.5f);
targetPosition.z += (vehicle->info->handling.dimensions.z * 0.5f);
physTarget = vehicle->collision->getBulletBody();
if (!m_vehicleFreeLook) {
m_cameraAngles.y = kVehicleCameraPitch;
}
}
// Handle top-down camera
@ -438,10 +432,11 @@ const ViewCamera& IngameState::getCamera(float alpha) {
cameraPosition =
targetPosition + rotation * glm::vec3(0.f, viewDistance, 0.f);
} else {
auto look = player->getCharacter()->getLook();
// Determine the "ideal" camera position for the current view angles
auto yaw = glm::angleAxis(m_cameraAngles.x - glm::half_pi<float>(),
auto yaw = glm::angleAxis(look.x - glm::half_pi<float>(),
glm::vec3(0.f, 0.f, 1.f));
auto pitch = glm::angleAxis(m_cameraAngles.y, glm::vec3(0.f, 1.f, 0.f));
auto pitch = glm::angleAxis(look.y, glm::vec3(0.f, 1.f, 0.f));
auto cameraOffset = yaw * pitch * glm::vec3(0.f, 0.f, viewDistance);
cameraPosition = targetPosition + cameraOffset;
}

4
rwgame/states/IngameState.hpp
View File

@ -24,8 +24,8 @@ class IngameState : public State {
float autolookTimer;
CameraMode camMode;
/// Current camera yaw and pitch
glm::vec2 m_cameraAngles;
/// Player camera input since the last update
glm::vec2 cameradelta_;
/// Invert Y axis movement
bool m_invertedY;
/// Free look in vehicles.