Quaternion Camera::GetFaceCameraRotation(const Vector3& position, const Quaternion& rotation, FaceCameraMode mode, float minAngle)
{
if (!node_)
return rotation;
switch (mode)
{
case FC_ROTATE_XYZ:
return node_->GetWorldRotation();
case FC_ROTATE_Y:
{
Vector3 euler = rotation.EulerAngles();
euler.y_ = node_->GetWorldRotation().EulerAngles().y_;
return Quaternion(euler.x_, euler.y_, euler.z_);
}
case FC_LOOKAT_XYZ:
{
Quaternion lookAt;
lookAt.FromLookRotation(position - node_->GetWorldPosition());
return lookAt;
}
case FC_LOOKAT_Y:
case FC_LOOKAT_MIXED:
{
// Mixed mode needs true look-at vector
const Vector3 lookAtVec(position - node_->GetWorldPosition());
// While Y-only lookat happens on an XZ plane to make sure there are no unwanted transitions or singularities
const Vector3 lookAtVecXZ(lookAtVec.x_, 0.0f, lookAtVec.z_);
Quaternion lookAt;
lookAt.FromLookRotation(lookAtVecXZ);
Vector3 euler = rotation.EulerAngles();
if (mode == FC_LOOKAT_MIXED)
{
const float angle = lookAtVec.Angle(rotation * Vector3::UP);
if (angle > 180 - minAngle)
euler.x_ += minAngle - (180 - angle);
else if (angle < minAngle)
euler.x_ -= minAngle - angle;
}
euler.y_ = lookAt.EulerAngles().y_;
return Quaternion(euler.x_, euler.y_, euler.z_);
}
default:
return rotation;
}
}
bool SpatialNode::LookAt(const Vector3& target, const Vector3& up, TransformSpace space)
{
SpatialNode* parentNode = SpatialParent();
Vector3 worldSpaceTarget;
switch (space)
{
case TS_LOCAL:
worldSpaceTarget = WorldTransform() * target;
break;
case TS_PARENT:
worldSpaceTarget = !parentNode ? target : parentNode->WorldTransform() * target;
break;
case TS_WORLD:
worldSpaceTarget = target;
break;
}
Vector3 lookDir = worldSpaceTarget - WorldPosition();
// Check if target is very close, in that case can not reliably calculate lookat direction
if (lookDir.Equals(Vector3::ZERO))
return false;
Quaternion newRotation;
// Do nothing if setting look rotation failed
if (!newRotation.FromLookRotation(lookDir, up))
return false;
SetWorldRotation(newRotation);
return true;
}
Quaternion Camera::GetFaceCameraRotation(const Vector3& position, const Quaternion& rotation, FaceCameraMode mode)
{
if (!node_)
return rotation;
switch (mode)
{
default:
return rotation;
case FC_ROTATE_XYZ:
return node_->GetWorldRotation();
case FC_ROTATE_Y:
{
Vector3 euler = rotation.EulerAngles();
euler.y_ = node_->GetWorldRotation().EulerAngles().y_;
return Quaternion(euler.x_, euler.y_, euler.z_);
}
case FC_LOOKAT_XYZ:
{
Quaternion lookAt;
lookAt.FromLookRotation(position - node_->GetWorldPosition());
return lookAt;
}
case FC_LOOKAT_Y:
{
// Make the Y-only lookat happen on an XZ plane to make sure there are no unwanted transitions
// or singularities
Vector3 lookAtVec(position - node_->GetWorldPosition());
lookAtVec.y_ = 0.0f;
Quaternion lookAt;
lookAt.FromLookRotation(lookAtVec);
Vector3 euler = rotation.EulerAngles();
euler.y_ = lookAt.EulerAngles().y_;
return Quaternion(euler.x_, euler.y_, euler.z_);
}
}
}
bool Node::LookAt(const Vector3& target, const Vector3& up)
{
Vector3 lookDir = target - GetWorldPosition();
// Check if target is very close, in that case can not reliably calculate lookat direction
if (lookDir.Equals(Vector3::ZERO))
return false;
Quaternion rotation;
// Do nothing if setting look rotation failed
if (!rotation.FromLookRotation(lookDir, up))
return false;
SetRotation((parent_ == scene_ || !parent_) ? rotation : parent_->GetWorldRotation().Inverse() * rotation);
return true;
}
void Bird::HandleUpdate(StringHash eventType, VariantMap &eventData)
{
if (dead_ && GetPosition().y_ < -5.0f) Disable();
float timeStep = eventData[SceneUpdate::P_TIMESTEP].GetFloat();
if (sinceSpeciesSet_ < morphTime_){
Morph();
}
sinceSpeciesSet_ += timeStep;
if (sinceStateChange_ > stateDuration_){
switch (state_) {
case BirdState::Flying: {
SetState(BirdState::Landing);
} break;
case BirdState::Standing: {
SetState(BirdState::Flying);
} break;
default:
break;
}
}
if(!(first_ && state_ == BirdState::Standing)) sinceStateChange_ += timeStep;
switch (state_) {
case BirdState::Flying: {
Fly(timeStep);
} break;
case BirdState::Landing: {
Land(timeStep);
} break;
case BirdState::Standing: {
Stand(timeStep);
} break;
default:
break;
}
//Move bird
rootNode_->Translate(velocity_*timeStep, TS_WORLD);
//Update rotation in accordance with the birds movement.
if (velocity_.Length() > 0.01f){
Quaternion rotation = rootNode_->GetWorldRotation();
Quaternion aimRotation = rotation;
aimRotation.FromLookRotation(velocity_);
rootNode_->SetRotation(rotation.Slerp(aimRotation, 2.0f * timeStep * velocity_.Length()));
}
}
void Player::HandleSceneUpdate(StringHash eventType, VariantMap &eventData)
{
//Take the frame time step, which is stored as a double
float timeStep = eventData[Update::P_TIMESTEP].GetFloat();
//Pulse and spin the counters' apples and hearts
UpdateGUI(timeStep);
//Only handle input when player is active
if (!rootNode_->IsEnabled()) return;
Input* input = GetSubsystem<Input>();
//Movement values
Vector3 move = Vector3::ZERO;
Vector3 moveJoy = Vector3::ZERO;
Vector3 moveKey = Vector3::ZERO;
float thrust = pilotMode_ ? 256.0f : 2323.0f;
float maxSpeed = pilotMode_? 1.8f : 23.0f; //Firing values
Vector3 fire = Vector3::ZERO;
Vector3 fireJoy = Vector3::ZERO;
Vector3 fireKey = Vector3::ZERO;
//Read input
if (input->GetJoystickByIndex(0)){
moveJoy = Vector3::RIGHT * input->GetJoystickByIndex(0)->GetAxisPosition(0) +
Vector3::BACK * input->GetJoystickByIndex(0)->GetAxisPosition(1);
fireJoy = Vector3::RIGHT * input->GetJoystickByIndex(0)->GetAxisPosition(2) +
Vector3::BACK * input->GetJoystickByIndex(0)->GetAxisPosition(3);
}
moveKey = Vector3::LEFT * input->GetKeyDown(KEY_A) +
Vector3::RIGHT * input->GetKeyDown(KEY_D) +
Vector3::FORWARD * input->GetKeyDown(KEY_W) +
Vector3::BACK * input->GetKeyDown(KEY_S);
fireKey = Vector3::LEFT * (input->GetKeyDown(KEY_J) || input->GetKeyDown(KEY_KP_4)) +
Vector3::RIGHT * (input->GetKeyDown(KEY_L) || input->GetKeyDown(KEY_KP_6)) +
Vector3::FORWARD * (input->GetKeyDown(KEY_I) || input->GetKeyDown(KEY_KP_8)) +
Vector3::BACK * (input->GetKeyDown(KEY_K) || input->GetKeyDown(KEY_KP_2) || input->GetKeyDown(KEY_KP_5)) +
Quaternion(45.0f, Vector3::UP)*Vector3::LEFT * input->GetKeyDown(KEY_KP_7) +
Quaternion(45.0f, Vector3::UP)*Vector3::RIGHT * input->GetKeyDown(KEY_KP_3) +
Quaternion(45.0f, Vector3::UP)*Vector3::FORWARD * input->GetKeyDown(KEY_KP_9) +
Quaternion(45.0f, Vector3::UP)*Vector3::BACK * input->GetKeyDown(KEY_KP_1);
//Pick most significant input
moveJoy.Length() > moveKey.Length() ? move = moveJoy : move = moveKey;
fireJoy.Length() > fireKey.Length() ? fire = fireJoy : fire = fireKey;
//Restrict move vector length
if (move.Length() > 1.0f) move /= move.Length();
//Deadzone
else if (move.Length() < 0.1f) move *= 0.0f;
if (fire.Length() < 0.1f) fire *= 0.0f;
else fire.Normalize();
//When in pilot mode
if (pilotMode_){
//Apply movement
Vector3 force = move * thrust * timeStep;
if (rigidBody_->GetLinearVelocity().Length() < maxSpeed ||
(rigidBody_->GetLinearVelocity().Normalized() + force.Normalized()).Length() < 1.0f) {
rigidBody_->ApplyForce(force);
}
//Update rotation according to direction of the player's movement.
Vector3 velocity = rigidBody_->GetLinearVelocity();
Vector3 lookDirection = velocity + 2.0f*fire;
Quaternion rotation = rootNode_->GetWorldRotation();
Quaternion aimRotation = rotation;
aimRotation.FromLookRotation(lookDirection);
rootNode_->SetRotation(rotation.Slerp(aimRotation, 7.0f * timeStep * velocity.Length()));
//Update animation
if (velocity.Length() > 0.05f){
animCtrl_->PlayExclusive("Resources/Models/WalkRelax.ani", 0, true, 0.15f);
animCtrl_->SetSpeed("Resources/Models/WalkRelax.ani", velocity.Length()*2.3f);
animCtrl_->SetStartBone("Resources/Models/WalkRelax.ani", "MasterBone");
}
else {
animCtrl_->PlayExclusive("Resources/Models/IdleRelax.ani", 0, true, 0.15f);
animCtrl_->SetStartBone("Resources/Models/IdleRelax.ani", "MasterBone");
}
// When in ship mode
} else {
//Update shield
Quaternion randomRotation = Quaternion(Random(360.0f),Random(360.0f),Random(360.0f));
shieldNode_->SetRotation(shieldNode_->GetRotation().Slerp(randomRotation, Random(1.0f)));
Color shieldColor = shieldMaterial_->GetShaderParameter("MatDiffColor").GetColor();
Color newColor = Color(shieldColor.r_ * Random(0.6f, 0.9f),
shieldColor.g_ * Random(0.7f, 0.95f),
shieldColor.b_ * Random(0.8f, 0.9f));
shieldMaterial_->SetShaderParameter("MatDiffColor", shieldColor.Lerp(newColor, Min(timeStep * 23.5f, 1.0f)));
//Float
ship_.node_->SetPosition(Vector3::UP *masterControl_->Sine(2.3f, -0.1f, 0.1f));
//Apply movement
Vector3 force = move * thrust * timeStep;
if (rigidBody_->GetLinearVelocity().Length() < maxSpeed ||
(rigidBody_->GetLinearVelocity().Normalized() + force.Normalized()).Length() < 1.0f) {
rigidBody_->ApplyForce(force);
}
//Update rotation according to direction of the ship's movement.
if (rigidBody_->GetLinearVelocity().Length() > 0.1f)
rootNode_->LookAt(rootNode_->GetPosition()+rigidBody_->GetLinearVelocity());
//Shooting
sinceLastShot_ += timeStep;
if (fire.Length()) {
if (sinceLastShot_ > shotInterval_)
{
Shoot(fire);
}
}
}
}
void player::update(Input* input,float timeStep)
{
Node* node_camera=globals::instance()->camera->GetNode();
{
Vector3 moveDir=Vector3::ZERO;
Vector3 moveDir_global=Vector3::ZERO;
if(input->GetKeyDown('D'))
moveDir+=Vector3::RIGHT*1;
if(input->GetKeyDown('A'))
moveDir-=Vector3::RIGHT*1;
if(input->GetKeyDown('W'))
moveDir+=Vector3::FORWARD*1;
if(input->GetKeyDown('S'))
moveDir-=Vector3::FORWARD*1;
if(moveDir.Length()>0.1)
body->SetFriction(0.4);
else
body->SetFriction(2.0);
if(moveDir.Length()>0.5)
moveDir.Normalize();
Vector3 vel=body->GetLinearVelocity()*Vector3(1,0,1);
Quaternion rot=body->GetRotation();
static bool on_floor;
Vector3 moveDir_world;
{
static bool at_wall;
static int jumping=0; // 0 = not jumping, 1 = jumping, 2 =
on_floor=false;
float height=0;
PhysicsRaycastResult result;
Ray ray(node->GetPosition()+Vector3(0,1.0,0),Vector3::DOWN);
globals::instance()->physical_world->SphereCast(result,ray,0.2,2,2);
if(result.distance_<=2)
on_floor=true;
if(!on_floor)
moveDir*=0.35;
as_stand->AddTime(timeStep/2);
as_walk->AddTime(timeStep*vel.Length()/1.5);
as_run->AddTime(timeStep*vel.Length()/3);
as_jump->AddTime(timeStep);
as_reversing->AddTime(timeStep);
as_stand->SetWeight(1.0-Clamp(vel.Length()/2.0,0.0,1.0));
as_stand->SetWeight(1.0);
as_walk->SetWeight(Clamp(vel.Length()/2.0,0.0,1.0));
as_run->SetWeight(Clamp((vel.Length()-2)/2.0,0.0,1.0)); // maybe this should be done differently, but works for this game
if(!on_floor)
as_jump->SetWeight(as_jump->GetWeight()+timeStep*5);
else
{
as_jump->SetWeight(0.0);
static bool sound_step1_not_played=true; // not playing this animation cycle
static bool sound_step2_not_played=true;
if(as_run->GetTime()>0.1&&sound_step1_not_played&&as_reversing->GetWeight()<0.5)
{
sound_source1->Play(sound_step1);
sound_step1_not_played=false;
}
if(as_run->GetTime()>0.6&&sound_step2_not_played&&as_reversing->GetWeight()<0.5)
{
sound_source2->Play(sound_step2);
sound_step2_not_played=false;
}
if(as_run->GetTime()<0.1)
{
sound_step1_not_played=true;
sound_step2_not_played=true;
}
}
if(input->GetKeyDown(KEY_SPACE)&&jumping==false&&(on_floor))
jumping=1; // start jumping
else if(!input->GetKeyDown(KEY_SPACE))
jumping=0;
static float jump_force_applied=0;
static const float max_jump_force_applied=100;
moveDir_world=node->GetWorldRotation()*moveDir;
if(moveDir_world.Angle(vel)>90&&vel.Length()>3&&on_floor) // indicate if direction change jump / side sommersault possible
as_reversing->SetWeight(as_reversing->GetWeight()+timeStep*10);
else
as_reversing->SetWeight(0.0);
if(jumping==1&&jump_force_applied<max_jump_force_applied) // jump higher if we are jumping and the limit has not been reached
{
if(jump_force_applied>max_jump_force_applied)
{
// do nothing if max jump force reached
}
else if(jump_force_applied+timeStep*800>max_jump_force_applied)
{
// I want to limit the jump height more exactly by limiting the force pumped into it and applieng the remaining rest here. Doesn't fully work yet.
//float f=0;//(max_jump_force_applied-jump_force_applied)*timeStep*2000;
//moveDir+=Vector3::UP*2*f;
//moveDir_global=result.normal_*1*f;
jump_force_applied+=timeStep*900;
}
else
{
float f=1;
moveDir+=Vector3::UP*0.6*f;
moveDir_global=result.normal_*0.3*f;
jump_force_applied+=timeStep*800;
}
}
if(jumping!=1)
jump_force_applied=0;
}
float f=0.5; // for walking or sprinting
if(input->GetKeyDown(KEY_SHIFT))
f=1.0;
Quaternion quat;
quat.FromLookRotation(node_camera->GetDirection()*Vector3(1,0,1),Vector3::UP);
body->SetRotation(quat);
float speed_old=vel.Length();
vel+=rot*moveDir*timeStep*4000*f/body->GetMass();
float speed_new=vel.Length();
if(speed_new>10*f&&speed_new>speed_old) // over limit. Don't increase speed further but make direction change possible.
vel=vel.Normalized()*speed_old;
body->SetLinearVelocity(Vector3(vel.x_,body->GetLinearVelocity().y_+(rot*moveDir*timeStep*4500/body->GetMass()).y_,vel.z_));
body->ApplyImpulse(moveDir_global*timeStep*4000);
{
auto vec_rot=body->GetLinearVelocity()*Vector3(1,0,1);
float s=vec_rot.Length();
vec_rot.Normalize();
float yaw=asin(vec_rot.x_)*180/M_PI;
if(vec_rot.z_<0)
yaw=180-yaw;
node_model->SetPosition(node->GetPosition());
if(s>1&&!camera_first_person)
{
node_model->SetDirection(Vector3::FORWARD);
node_model->Yaw(yaw);
}
}
{ // physic raycast to avoid the player glitching through stuff when moving very fast
Vector3 player_pos=body->GetPosition()+Vector3(0,1,0);
PhysicsRaycastResult result;
Ray ray(pos_last,player_pos-pos_last);
float l=(player_pos-pos_last).Length();
if(l>0.5)
{
globals::instance()->physical_world->SphereCast(result,ray,0.2,l,2);
if(result.distance_<=l)
body->SetPosition(pos_last);
pos_last=body->GetPosition()+Vector3(0,1,0);
}
}
}
IntVector2 mouseMove(0,0);
if(!input->IsMouseVisible())
mouseMove=input->GetMouseMove();
camera_yaw+=mouseMove.x_*0.1;
if(camera_yaw<0)
camera_yaw+=360;
if(camera_yaw>=360)
camera_yaw-=360;
camera_pitch+=mouseMove.y_*0.1;
camera_pitch=Clamp(camera_pitch,-85.0f,85.0f);
if(!camera_first_person)
{
camera_distance-=input->GetMouseMoveWheel();
camera_distance=Clamp(camera_distance,2.0f,50.0f);
node_camera->SetPosition(node->GetPosition());
node_camera->SetDirection(Vector3::FORWARD);
node_camera->Yaw(camera_yaw);
node_camera->Translate(Vector3(0,1.6,0));
node_camera->Pitch(camera_pitch);
PhysicsRaycastResult result;
Ray ray(node_camera->GetPosition(),-node_camera->GetDirection());
globals::instance()->physical_world->SphereCast(result,ray,0.2,camera_distance,2);
if(result.distance_<=camera_distance)
node_camera->Translate(Vector3(0,0,-result.distance_+0.1));
else
node_camera->Translate(Vector3(0,0,-camera_distance));
}
else
{
node_camera->SetPosition(node_camera_pos->GetWorldPosition());
node_camera->SetDirection(Vector3::FORWARD);
node_camera->Yaw(camera_yaw);
node_camera->Pitch(camera_pitch);
node_camera->Translate(Vector3(0,0,0.1));
node_model->SetDirection(Vector3::FORWARD);
node_model->Yaw(camera_yaw);
}
node_light->SetPosition(node_camera_pos->GetWorldPosition());
node_light->Translate(Vector3(0.5,-0.9,0.3));
float yaw_360_correction=(camera_yaw+Random(-light_shaking,light_shaking))-light_yaw;
if(yaw_360_correction>180)
yaw_360_correction-=360;
else if(yaw_360_correction<-180)
yaw_360_correction+=360;
light_yaw+=yaw_360_correction*(10*timeStep);
light_pitch+=((camera_pitch+Random(-light_shaking,light_shaking))-light_pitch)*(10*timeStep);
node_light->SetDirection(Vector3::FORWARD);
node_light->Yaw(light_yaw);
node_light->Pitch(light_pitch);
}