void Camera::rotate(Radians angle)
{
Quat rot = glm::angleAxis(angle.value(), mUpReal);
mFront = Vec3(rot * mFront).normalized();
mRight = Vec3(rot * mRight).normalized();
mMatrixUpdateFlags |= MatrixRotationUpdated;
updateAngles();
}
void Camera::mouseLook(Radians dtX, Radians dtY)
{
float angleXZ = getHorizontalAngle().value();
float angleY = getVerticalAngle().value();
angleXZ -= dtX.value(); // -? lol
angleY -= dtY.value(); // same
angleY = glm::clamp(angleY, -PI_2, PI_2);
float len = Vec3(mAt - mEye).length();
Vec3 at = mEye + Vec3(len * sinf(angleXZ) * cosf(angleY),
len * sinf(angleY),
len * cosf(angleXZ) * cosf(angleY));
//gLog.trace("%f, %f, len %f\n", angleXZ, angleY, len);
//gLog.trace("eye: %s\n", utils::toString(mEye).c_str());
//gLog.trace("at: %s\n", utils::toString(mAt).c_str());
//gLog.trace("at - eye: %s\n", utils::toString(Vec3(mAt - mEye)).c_str());
//gLog.trace("new at = %s\n", utils::toString(Vec3(len * sinf(angleXZ) * cosf(angleY),
//len * sinf(angleY),
//len * cosf(angleXZ) * cosf(angleY))).c_str());
lookAt(mEye, at, mUp);
}
float sin(const Radians &rad)
{
return sinf(rad.value());
}
float atan(const Radians &rad)
{
return atanf(rad.value());
}
float acos(const Radians &rad)
{
return acosf(rad.value());
}
void Camera::rotateAround(Radians angle)
{
Quat rot = glm::angleAxis(angle.value(), mUpReal);
lookAt(mAt + (rot * (mEye - mAt)), mAt, mUp);
}
void Camera::rotate(const Vec3& axis, Radians angle)
{
Quat rot = glm::angleAxis(angle.value(), axis.normalized());
lookAt(mEye, mEye + (rot * (mAt - mEye)), mUp);
}
