本文整理汇总了C++中math::Matrix4::getYaw方法的典型用法代码示例。如果您正苦于以下问题：C++ Matrix4::getYaw方法的具体用法？C++ Matrix4::getYaw怎么用？C++ Matrix4::getYaw使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类math::Matrix4的用法示例。
在下文中一共展示了Matrix4::getYaw方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: lookAt
void Head::lookAt(bool entering, const Math::Vector3d &point, float rate, const Math::Matrix4 &matrix) {
if (_joint1Node) {
float step = g_grim->getPerSecond(rate);
float yawStep = step;
float pitchStep = step / 3.f;
if (!entering) {
//animate yaw
if (_headYaw > yawStep) {
_headYaw -= yawStep;
} else if (_headYaw < -yawStep) {
_headYaw += yawStep;
} else {
_headYaw = 0;
}
//animate pitch
if (_headPitch > pitchStep) {
_headPitch -= pitchStep;
} else if (_headPitch < -pitchStep) {
_headPitch += pitchStep;
} else {
_headPitch = 0;
}
_joint1Node->_animYaw = _headYaw;
Math::Angle pi = _headPitch / 3.f;
_joint1Node->_animPitch += pi;
_joint2Node->_animPitch += pi;
_joint3Node->_animPitch += pi;
_joint1Node->_animRoll = (_joint1Node->_animYaw.getDegrees() / 20.f) *
_headPitch.getDegrees() / -5.f;
if (_joint1Node->_animRoll > _maxRoll)
_joint1Node->_animRoll = _maxRoll;
if (_joint1Node->_animRoll < -_maxRoll)
_joint1Node->_animRoll = -_maxRoll;
return;
}
ModelNode *p = _joint3Node;
while (p->_parent) {
p = p->_parent;
}
p->setMatrix(matrix);
p->update();
Math::Vector3d v = point - _joint3Node->_matrix.getPosition();
if (v.isZero()) {
return;
}
float magnitude = sqrt(v.x() * v.x() + v.y() * v.y());
float a = v.x() / magnitude;
float b = v.y() / magnitude;
float yaw;
yaw = acos(a) * (180.0f / LOCAL_PI);
if (b < 0.0f)
yaw = 360.0f - yaw;
Math::Angle bodyYaw = matrix.getYaw();
p = _joint1Node->_parent;
while (p) {
bodyYaw += p->_yaw + p->_animYaw;
p = p->_parent;
}
_joint1Node->_animYaw = (- 90 + yaw - bodyYaw);
if (_joint1Node->_animYaw < -180.) {
_joint1Node->_animYaw += 360;
}
if (_joint1Node->_animYaw > 180.) {
_joint1Node->_animYaw -= 360;
}
if (_joint1Node->_animYaw > _maxYaw)
_joint1Node->_animYaw = _maxYaw;
if (_joint1Node->_animYaw < -_maxYaw)
_joint1Node->_animYaw = -_maxYaw;
float sqLenght = v.x() * v.x() + v.y() * v.y();
float h;
if (sqLenght > 0) {
h = sqrt(sqLenght);
} else {
h = -sqrt(sqLenght);
}
magnitude = sqrt(v.z() * v.z() + h * h);
a = h / magnitude;
b = v.z() / magnitude;
Math::Angle pitch;
pitch = acos(a) * (180.0f / LOCAL_PI);
if (b < 0.0f)
pitch = 360.0f - pitch;
if (pitch > 180)
pitch -= 360;
if (pitch > _maxPitch)
pitch = _maxPitch;
if (pitch < -_maxPitch)
pitch = -_maxPitch;
//.........这里部分代码省略.........