bool Camera::IsLookingAt(const Vector3& point, const float halfAngle, const float cutoffDistance) const
{
Vector3 pointFromCamera = point - ReturnPosition();
float length = pointFromCamera.Length();
pointFromCamera.Normalize();
Vector3 target = GetTarget();
float actualHalfAngle = abs(acos(pointFromCamera.Dot(target)));
if(actualHalfAngle <= Math::DegreeToRadian(halfAngle) && length <= cutoffDistance)
{
return true;
}
return false;
}
// DRAG GENERATOR - OVERLOADED UpdateForce - Applies drag.
void ParticleDrag::UpdateForce(Particle* particle, marb duration) {
Vector3 force;
force = particle->GetVelocity();
// Calculate total drag coefficient
marb dragCoeff = force.Magnitude();
dragCoeff = k1 * dragCoeff + k2 * dragCoeff * dragCoeff;
// Calculate and apply final force
force.Normalize();
force *= -dragCoeff;
particle->AddForce(force);
}
void EditorLoader::AddTrigger()
{
Trigger* pTrigger(new Trigger());
pTrigger->Init(m_pPhysXEngine, Vector3(2,2,2));
Vector3 look = m_pRenderContext->GetCamera()->GetLook();
look.Normalize();
pTrigger->SetPosition(m_pRenderContext->GetCamera()->GetPosition() + look * 2);
m_pLevel->AddLevelObject(pTrigger);
}
void ParticleEmitter3D::CalculateParticlePositionForCircle(Particle* particle, const Vector3& tempPosition,
const Matrix3& rotationMatrix)
{
float32 curRadius = 1.0f;
if (radius)
{
curRadius = radius->GetValue(time);
}
float32 curAngle = PI_2 * (float32)Random::Instance()->RandFloat();
if (emitterType == EMITTER_ONCIRCLE_VOLUME)
{
// "Volume" means we have to emit particles from the whole circle.
curRadius *= (float32)Random::Instance()->RandFloat();
}
float sinAngle = 0.0f;
float cosAngle = 0.0f;
SinCosFast(curAngle, sinAngle, cosAngle);
Vector3 directionVector(curRadius * cosAngle,
curRadius * sinAngle,
0.0f);
// Rotate the direction vector according to the current emission vector value.
Vector3 zNormalVector(0.0f, 0.0f, 1.0f);
Vector3 curEmissionVector;
if (emissionVector)
{
curEmissionVector = emissionVector->GetValue(time);
curEmissionVector.Normalize();
}
// This code rotates the (XY) plane with the particles to the direction vector.
// Taking into account that a normal vector to the (XY) plane is (0,0,1) this
// code is very simplified version of the generic "plane rotation" code.
float32 length = curEmissionVector.Length();
if (FLOAT_EQUAL(length, 0.0f) == false)
{
float32 cosAngleRot = curEmissionVector.z / length;
float32 angleRot = acos(cosAngleRot);
Vector3 axisRot(curEmissionVector.y, -curEmissionVector.x, 0);
Matrix3 planeRotMatrix;
planeRotMatrix.CreateRotation(axisRot, angleRot);
Vector3 rotatedVector = directionVector * planeRotMatrix;
directionVector = rotatedVector;
}
particle->position = tempPosition + TransformPerserveLength(directionVector, rotationMatrix);
}
void RenderHelper::DrawCircle3D(const Vector3 & center, const Vector3 &emissionVector, float32 radius, bool useFilling)
{
Polygon3 pts;
float32 angle = SEGMENT_LENGTH / radius;
int ptsCount = (int)(PI_2 / (DegToRad(angle))) + 1;
for (int k = 0; k < ptsCount; ++k)
{
float32 angleA = ((float)k / (ptsCount - 1)) * PI_2;
float sinAngle = 0.0f;
float cosAngle = 0.0f;
SinCosFast(angleA, sinAngle, cosAngle);
Vector3 directionVector(radius * cosAngle,
radius * sinAngle,
0.0f);
// Rotate the direction vector according to the current emission vector value.
Vector3 zNormalVector(0.0f, 0.0f, 1.0f);
Vector3 curEmissionVector = emissionVector;
curEmissionVector.Normalize();
// This code rotates the (XY) plane with the particles to the direction vector.
// Taking into account that a normal vector to the (XY) plane is (0,0,1) this
// code is very simplified version of the generic "plane rotation" code.
float32 length = curEmissionVector.Length();
if (FLOAT_EQUAL(length, 0.0f) == false)
{
float32 cosAngleRot = curEmissionVector.z / length;
float32 angleRot = acos(cosAngleRot);
Vector3 axisRot(curEmissionVector.y, -curEmissionVector.x, 0);
Matrix3 planeRotMatrix;
planeRotMatrix.CreateRotation(axisRot, angleRot);
Vector3 rotatedVector = directionVector * planeRotMatrix;
directionVector = rotatedVector;
}
Vector3 pos = center - directionVector;
pts.AddPoint(pos);
}
if (useFilling)
{
FillPolygon(pts);
}
else
{
DrawPolygon(pts, false);
}
}
Color<real> BlinnPhongShader<real>::GetDiffuseAndSpecular( const Light<real>& light )
{
Color<real> finalColor( 0, 0, 0, 1 );
////////////////////////////////////////////
//////////////////IFT 3355//////////////////
////////////////////////////////////////////
//Ici, vous calculerez les composantes
//diffuse et spéculaire en vous servant des
//propriétés du matériau.
////////////////////////////////////////////
//////////////////IFT 3355//////////////////
////////////////////////////////////////////
Vector3<real> lightPos = light.GetGlobalPosition();
Vector3<real> lightDir = (lightPos - mIntersection.GetPosition()).Normalized();
real r2 = (mIntersection.GetPosition() - lightPos).SquaredLength();
Vector3<real> intersectionShifted = mIntersection.GetPosition() + EPS*mIntersection.GetNormal();
// Shadow+Diffuse
bool lightVisible = mRayTracer.IsLightVisible(intersectionShifted, &light);
if (!lightVisible)
return finalColor;
switch (light.GetLightType()) {
case Light<real>::TypeDirectional:
case Light<real>::TypeSpot:
case Light<real>::TypePoint:
finalColor += mMaterial.GetDiffuse() *
std::max<real>(0, lightDir * mIntersection.GetNormal()) *
GetMaterialSurfaceColor();
break;
}
// Specular
const Camera<real> *cam = mScene.GetActiveCamera();
Vector3<real> camDir = cam->GetFrontDirection();
Vector3<real> H = lightDir + camDir;
H.Normalize();
Vector3<real> N = mIntersection.GetNormal();
real n = mMaterial.GetShininess();
real cs = (n+2)/2;
Color<real> ks = mMaterial.GetSpecular();
Color<real> m = mMaterial.GetMetallic();
finalColor += cs * ks *
(m*GetMaterialSurfaceColor() + (Color<real>(1, 1, 1, 1) - m)) *
pow(N * H, n);
return finalColor * light.GetIntensity() / (r2 * PI);
}
void CalculateNormals(vector<VertexPosNormTanTex>& vertices, const vector<DWORD>& indices)
{
DWORD numTris = indices.size() / 3;
for (DWORD i = 0; i < numTris; ++i)
{
Vector3 normal;
const Vector3& pos1 = vertices[indices[i * 3]].position,
pos2 = vertices[indices[i * 3 + 1]].position,
pos3 = vertices[indices[i * 3 + 2]].position;
Vector3 v1 = pos2 - pos1;
Vector3 v2 = pos3 - pos1;
v1.Normalize();
v2.Normalize();
Vector3 cross = v1.Cross(v2);
cross.Normalize();
/*vertices[indices[i * 3 + 0]].normal += cross;
vertices[indices[i * 3 + 1]].normal += cross;
vertices[indices[i * 3 + 2]].normal += cross;*/
if (vertices[indices[i * 3 + 0]].normal == Vector3::Zero)
vertices[indices[i * 3 + 0]].normal = cross;
else
{
vertices[indices[i * 3 + 0]].normal += cross;
vertices[indices[i * 3 + 0]].normal.Normalize();
}
if (vertices[indices[i * 3 + 1]].normal == Vector3::Zero)
vertices[indices[i * 3 + 1]].normal = cross;
else
{
vertices[indices[i * 3 + 1]].normal += cross;
vertices[indices[i * 3 + 1]].normal.Normalize();
}
if (vertices[indices[i * 3 + 2]].normal == Vector3::Zero)
vertices[indices[i * 3 + 2]].normal = cross;
else
{
vertices[indices[i * 3 + 2]].normal += cross;
vertices[indices[i * 3 + 2]].normal.Normalize();
}
}
/*for_each(vertices.begin(), vertices.end(), [](VertexPosNormTanTex& vpnt)
{
vpnt.normal.Normalize();
});*/
}
Quaternion::Quaternion( Radian angle, const Vector3& axis )
{
MATH_INCREASE_BY(PerformanceMonitor::FLOAT_POINT_MULTIPLY,4);
Vector3 tmpAxis = axis;
tmpAxis.Normalize();
const float halfAngle = angle.radian * 0.5f;
const float sinThetaByTwo = sinf(halfAngle);
const float cosThetaByTwo = cosf(halfAngle);
mVector.x = tmpAxis.x * sinThetaByTwo;
mVector.y = tmpAxis.y * sinThetaByTwo;
mVector.z = tmpAxis.z * sinThetaByTwo;
mVector.w = cosThetaByTwo;
}
void Arrow::Tick(float deltaTime)
{
Super::Tick(deltaTime);
UpdateWorldPos();
Vector3 shippos = mPlayer->GetPosition();
Vector3 checkpos = mCheckpointPos;
Vector3 direction = checkpos - shippos;
direction.Normalize();
if( direction.x == 1 && direction.y == 0 && direction.z == 0)
{
SetRotation(Quaternion::Identity);
}
else
{
Vector3 axis = Cross(Vector3::UnitX,direction);
float angle = Math::Acos(Dot(Vector3::UnitX,direction));
axis.Normalize();
Quaternion rotation(axis, angle);
SetRotation(rotation);
}
}
Quaternion Quaternion::FromAxisAngle(Vector3 axis, double angle)
{
double length = axis.Magnitude;
if (length < Tolerance)
return Quaternion(0, 0, 0, 1);
axis.Normalize();
double cosine = Math::Cos(angle / 2.0);
double sine = Math::Sin(angle / 2.0);
return Quaternion(sine * axis.X, sine * axis.Y, sine * axis.Z, cosine);
}
void FPcamera::lookUp(const double dt)
{
float pitch = (float)(-TURN_SPEED * Application::camera_pitch * (float)dt);
rotationX -= pitch;
view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(view).Normalized();
Mtx44 rotation;
rotation.SetToRotation(pitch, right.x, right.y, right.z);
view = rotation * view;
target = position + view;
}
void FPcamera::lookRight(const double dt)
{
view = (target - position).Normalized();
float yaw = (float)(-TURN_SPEED * Application::camera_yaw * (float)dt);
rotationY += yaw;
Mtx44 rotation;
rotation.SetToRotation(yaw, 0, 1, 0);
view = rotation * view;
target = position + view;
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(view).Normalized();
}
/********************************************************************************
Turn right
********************************************************************************/
void TPCamera::TurnRight(const double dt)
{
Vector3 view = (target - position).Normalized();
// float yaw = (float)(-CAMERA_SPEED * Application::camera_yaw * (float)dt);
float yaw = (float)(-CAMERA_SPEED * (float)dt);
Mtx44 rotation;
rotation.SetToRotation(yaw, 0, 1, 0);
view = rotation * view;
target = position + view;
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(view).Normalized();
}
// 動くオブジェクトの反射
bool Collision::GetReflect( iexMesh* org, Vector3& pos, Vector3& vec, float rate )
{
// オブジェクトの逆行列を算出
org->Update();
Matrix mat = org->TransMatrix;
Matrix invMat; // 逆行列
D3DXMatrixInverse( &invMat, null, &mat );
// 逆行列でレイをローカル化
Vector3 invVec;
invVec.x = invMat._11 * vec.x + invMat._21 * vec.y + invMat._31 * vec.z;
invVec.y = invMat._12 * vec.x + invMat._22 * vec.y + invMat._32 * vec.z;
invVec.z = invMat._13 * vec.x + invMat._23 * vec.y + invMat._33 * vec.z;
Vector3 invPos;
invPos.x = invMat._11 * pos.x + invMat._21 * pos.y + invMat._31 * pos.z + invMat._41;
invPos.y = invMat._12 * pos.x + invMat._22 * pos.y + invMat._32 * pos.z + invMat._42;
invPos.z = invMat._13 * pos.x + invMat._23 * pos.y + invMat._33 * pos.z + invMat._43;
Vector3 v = invVec;
Vector3 p = invPos;
Vector3 out;
float d = 100.0f;
if ( org->RayPick( &out, &p, &v, &d ) >= 0 )
{
Vector3 vv = out - p;
float dd = vv.Length();
float dm = invVec.Length();
if ( dd < dm ){
v.Normalize(); // 法線算出
float dot = Vector3Dot( -invVec, v ); // 法線方向に射影
invVec = v*dot*2.0f - ( -invVec );
Vector3 p;
p.x = mat._11 * out.x + mat._21 * out.y + mat._31 * out.z + mat._41;
p.y = mat._12 * out.x + mat._22 * out.y + mat._32 * out.z + mat._42;
p.z = mat._13 * out.x + mat._23 * out.y + mat._33 * out.z + mat._43;
pos = p;
Vector3 v;
v.x = mat._11 * invVec.x + mat._21 * invVec.y + mat._31 * invVec.z;
v.y = mat._12 * invVec.x + mat._22 * invVec.y + mat._32 * invVec.z;
v.z = mat._13 * invVec.x + mat._23 * invVec.y + mat._33 * invVec.z;
vec = v*rate;
return true;
}
}
return false;
}
//-------------------------------
//
//-------------------------------
void Vector3::GetQuaternion( Quaternion& qRot )
{
Vector3 vDir;
vDir.x = x;
vDir.y = y;
vDir.z = z;
vDir.Normalize();
vDir *= -1;
Matrix44 matWorld;
matWorld.SetWorld( Vector3( 0.0F, 0.0F, 0.0F ), vDir, Vector3( 0.0F, 0.0F, 1.0F ) );
qRot = matWorld.GetQuaternion();
} //Vector3::GetQuaternion
void Camera3::Init(const Vector3& pos, const Vector3& target, const Vector3& up, vector<Rock> *Rocks, Flag *flag, vector<CollisionObject> *Pillars)
{
this->position = defaultPosition = pos;
this->target = defaultTarget = target;
Vector3 view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
MouseSensitivity = 0.2;
this->up = defaultUp = right.Cross(view).Normalized();
this->Rocks = Rocks;
this->flag = flag;
this->Pillars = Pillars;
}
void Camera3::Init(const Vector3& pos, const Vector3& target, const Vector3& up)
{
this->position = defaultPosition = pos;
this->target = defaultTarget = target;
Vector3 view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
this->up = defaultUp = right.Cross(view).Normalized();
// Initialise the camera movement flags
for (int i = 0; i < 255; i++)
myKeys[i] = false;
}
Matrix4 Entity::getLookAtMatrix(const Vector3 &loc, const Vector3 &upVector) {
rebuildTransformMatrix();
Vector3 D;
if(parentEntity)
D = loc - (parentEntity->getConcatenatedMatrix() *position);
else
D = loc - position;
Vector3 back = D * -1;
back.Normalize();
Vector3 right = back.crossProduct(upVector) ;
right.Normalize();
right = right * -1;
Vector3 up = back.crossProduct(right);
Matrix4 newMatrix(right.x, right.y, right.z, 0,
up.x, up.y, up.z, 0,
back.x, back.y, back.z, 0,
0, 0 , 0, 1);
return newMatrix;
}
/********************************************************************************
LookDown
********************************************************************************/
void TPCamera::LookDown(const double dt)
{
//float pitch = (float)(-CAMERA_SPEED * Application::camera_pitch * (float)dt);
float pitch = (float)(CAMERA_SPEED * (float)dt);
Vector3 view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(view).Normalized();
Mtx44 rotation;
rotation.SetToRotation(pitch, right.x, right.y, right.z);
view = rotation * view;
target = position + view;
}
//**************************************************
// Lighting
//**************************************************
// 平行光
void Deferred::DirLight(const Vector3 dir, const Vector3 color)
{
Matrix matV = matView;
Vector3 LightDir;
// ワールドの平行光を渡す
Vector3 wLightDir = dir;
wLightDir.Normalize();
//shader->SetValue("wLightVec", wLightDir);
//ビュー座標系に変換
LightDir.x = dir.x * matV._11 + dir.y * matV._21 + dir.z * matV._31;
LightDir.y = dir.x * matV._12 + dir.y * matV._22 + dir.z * matV._32;
LightDir.z = dir.x * matV._13 + dir.y * matV._23 + dir.z * matV._33;
LightDir.Normalize();
// シェーダー設定 shaderに送る
shader->SetValue("ViewLightVec", LightDir);
shader->SetValue("LightColor", (Vector3)color);
//現在のレンダーターゲットを一時的に確保
Surface* now = nullptr;
tdnSystem::GetDevice()->GetRenderTarget(0, &now);
//レンダーターゲットの切替え
m_sLight->RenderTarget();
m_sSpecular->RenderTarget(1);
// レンダリング
m_mNormal->Render(0,0,shader, "DirLight");
//レンダーターゲットの復元
tdnSystem::GetDevice()->SetRenderTarget(0, now);
tdnSystem::GetDevice()->SetRenderTarget(1, nullptr);
}
Quaternion RotationBetweenVectors3(Vector3 v1, Vector3 v2)
{
const float epsilon = 0.0000001;
double length1 = v1.Mag();
double length2 = v2.Mag();
double cosangle = (v1 * v2) / (length1 * length2);
if (fabs(cosangle-1.0) < epsilon)
{
// near co-linear vectors
return Quaternion(0.0, 0.0, 0.0, 1.0);
}
else if (fabs(cosangle+1.0) < epsilon)
{
// vectors are opposite, so we need to find an orthogonal vector to v1
// around which to rotate
Vector3 tmp;
if (fabs(v1.x)<fabs(v1.y))
if (fabs(v1.x)<fabs(v1.z))
tmp = Vector3(1.0,0.0,0.0); // use x axis.
else
tmp = Vector3(0.0,0.0,1.0);
else if (fabs(v1.y)<fabs(v1.z))
tmp = Vector3(0.0,1.0,0.0);
else
tmp = Vector3(0.0,0.0,1.0);
// find orthogonal axis.
Vector3 axis = v2^tmp;
axis.Normalize();
// cos of half angle of PI is zero.
return QuatFromAxis(axis, 0.0);
}
else {
// this is the usual case: take a cross-product of v1 and v2
// and that is the axis around which to rotate
Vector3 axis = v1^v2;
double angle = acos( cosangle );
return QuatFromAxis(axis, angle);
}
}
void YoYoParticleModel::func(myState& preState, myState& resultState,float deltaT)
{
resultState.pos = preState.vel*deltaT;
Vector3 e = (m_yoyoParticle.m_position - m_topParticle.m_position);
e.Normalize();
Vector3 Fk = -m_stiffness*((m_yoyoParticle.m_position - m_topParticle.m_position).CalcLength() - m_stringLength) * e;
Vector3 Fc = -m_cofficient * (DotProduct(e, (m_yoyoParticle.m_velocity - m_topParticle.m_velocity))) *e;
Vector3 A = Fk + Fc - m_yoyoParticle.m_mass*m_gravityVector - m_stringCofficient*m_yoyoParticle.m_velocity;
Vector3 delta_prev_velocity = A*deltaT;
delta_prev_velocity.z = -m_gravityVector.z*deltaT;
resultState.vel = delta_prev_velocity;
}
void CameraComponent::Tick(float deltaTime)
{
Super::Tick(deltaTime);
Vector3 ideal = ComputeIdealPosition();
Vector3 displace = mCameraPos - ideal;
Vector3 accel = (-mSpringConstant * displace) - (mDampConstant * mCameraVelocity);
mCameraVelocity += accel * deltaTime;
mCameraPos += mCameraVelocity * deltaTime;
Vector3 shipPos = mOwner.GetWorldTransform().GetTranslation() +
Vector3::UnitX * mTargetOffset;
Vector3 forward = shipPos - mCameraPos;
forward.Normalize();
Vector3 left = Cross(Vector3::UnitZ, forward);
left.Normalize();
Vector3 up = Cross(forward, left);
up.Normalize();
mCameraMat = Matrix4::CreateLookAt(mCameraPos, shipPos, up);
// Tell the renderer
mOwner.GetGame().GetRenderer().UpdateViewMatrix(mCameraMat);
}
bool BoundingSphere::ContainsOther(const BoundingSphere & self, const BoundingSphere & other, Vector3 & toOther, Vector3 & otherFarEnd)
{
if (self.getCenter() == other.getCenter())
{
return other.GetRadius() < self.GetRadius();
}
toOther = other.getCenter() - self.getCenter();
toOther.Normalize();
otherFarEnd = other.getCenter() + toOther*other.GetRadius();
Vector3 toOtherFarEnd = otherFarEnd - self.getCenter();
return toOtherFarEnd.Length2() < self.GetSquaredRadius();
}
/********************************************************************************
Move the camera right
********************************************************************************/
void TPCamera::MoveRight(const double dt)
{
Vector3 view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
MoveVel_D = MoveVel_D + CAMERA_ACCEL * (float)dt;
if (MoveVel_D > CAMERA_SPEED)
MoveVel_D = CAMERA_SPEED;
// Update the camera and target position
position += right * MoveVel_D;
target += right * MoveVel_D;
}
/********************************************************************************
Move the camera left
********************************************************************************/
void TPCamera::MoveLeft(const double dt)
{
Vector3 view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
MoveVel_A = MoveVel_A + CAMERA_ACCEL * (float)dt;
if (MoveVel_A < -CAMERA_SPEED)
MoveVel_A = -CAMERA_SPEED;
// Update the camera and target position
position -= right * MoveVel_A;
target -= right * MoveVel_A;
}
/********************************************************************************
LookRight
********************************************************************************/
void Camera3::LookRight(const double dt)
{
float yaw = yawVelocity;
Vector3 view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(view).Normalized();
Mtx44 rotation;
rotation.SetToRotation(yaw, 0, 1, 0);
view = rotation * view;
target = position + view;
up = rotation * up;
}
T calcSkyVisibility(const COctreeNode *octree, const Vector3<T> &pos, const Vector3<T> &normal, const Vector3<T> &tangent, const Vector3<T> &bitangent,
size_t rayCount)
{
size_t hitRays = 0;
for(size_t i = 0; i < rayCount; ++i)
{
Vector3<T> rnd(randomFloat<T>(), randomFloat<T>()*T(2.0)-T(1.0), randomFloat<T>()*T(2.0)-T(1.0));
rnd.Normalize();
Vector3<T> raydir = normal * rnd.x + tangent * rnd.y + bitangent * rnd.z;
CRay_t<T> ray(pos + raydir * T(0.01), raydir.Normalize());
if(octree->rayTriangleCollision(ray))
hitRays++;
}
return calcSkyVisibility(T(hitRays), T(rayCount));
}
void FPS_Cam::LookYaw(float yawValue, double dt)
{
float mspeed = mouse_speed * yawValue;
FaceDirection = (target - position).Normalized();
Vector3 right = FaceDirection.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(FaceDirection).Normalized();
rotation22.SetToRotation(mspeed * dt, 0, 1, 0);
FaceDirection = rotation22 * FaceDirection;
target = position + FaceDirection;
up = rotation22 * up;
}
void FPcamera::lookDown(const double dt, float downValue)
{
float pitch = (float)(-WALK_SPEED * Application::camera_pitch * (float)dt - downValue * (float)dt);
recoil -= 5.f * (float)dt;;
rotationX -= pitch;
view = (target - position).Normalized();
Vector3 right = view.Cross(up);
right.y = 0;
right.Normalize();
up = right.Cross(view).Normalized();
Mtx44 rotation;
rotation.SetToRotation(pitch, right.x, right.y, right.z);
view = rotation * view;
target = position + view;
}
