本文整理汇总了C++中b3Vector3::cross方法的典型用法代码示例。如果您正苦于以下问题：C++ b3Vector3::cross方法的具体用法？C++ b3Vector3::cross怎么用？C++ b3Vector3::cross使用的例子？那么恭喜您, 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b3Vector3的用法示例。
在下文中一共展示了b3Vector3::cross方法的5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: wheelCallback
void wheelCallback( float deltax, float deltay)
{
if (!m_leftMouseButton)
{
if (deltay<0 || m_cameraDistance>1)
{
m_cameraDistance -= deltay*0.1;
if (m_cameraDistance<1)
m_cameraDistance=1;
} else
{
b3Vector3 fwd = m_cameraTargetPosition-m_cameraPosition;
fwd.normalize();
m_cameraTargetPosition += fwd*deltay*WHEEL_MULTIPLIER;
}
} else
{
if (b3Fabs(deltax)>b3Fabs(deltay))
{
b3Vector3 fwd = m_cameraTargetPosition-m_cameraPosition;
b3Vector3 side = m_cameraUp.cross(fwd);
side.normalize();
m_cameraTargetPosition += side * deltax*WHEEL_MULTIPLIER;
} else
{
m_cameraTargetPosition -= m_cameraUp * deltay*WHEEL_MULTIPLIER;
}
}
}示例2: wheelCallback
void wheelCallback( float deltax, float deltay)
{
if (!m_mouseButton)
{
if (b3Fabs(deltax)>b3Fabs(deltay))
{
m_azi -= deltax*0.1;
} else
{
//m_cameraDistance -= deltay*0.1;
b3Vector3 fwd = m_cameraTargetPosition-m_cameraPosition;
fwd.normalize();
m_cameraTargetPosition += fwd*deltay*0.1;
}
} else
{
if (b3Fabs(deltax)>b3Fabs(deltay))
{
b3Vector3 fwd = m_cameraTargetPosition-m_cameraPosition;
b3Vector3 side = m_cameraUp.cross(fwd);
side.normalize();
m_cameraTargetPosition += side * deltax*0.1;
} else
{
m_cameraTargetPosition -= m_cameraUp * deltay*0.1;
}
}
}示例3: mouseMoveCallback
void mouseMoveCallback(float x, float y)
{
if (m_altPressed || m_controlPressed)
{
float xDelta = x-m_mouseXpos;
float yDelta = y-m_mouseYpos;
if (m_leftMouseButton)
{
// if (b3Fabs(xDelta)>b3Fabs(yDelta))
// {
m_azi -= xDelta*MOUSE_MOVE_MULTIPLIER;
// } else
// {
m_ele += yDelta*MOUSE_MOVE_MULTIPLIER;
// }
}
if (m_middleMouseButton)
{
m_cameraTargetPosition += m_cameraUp * yDelta*0.01;
b3Vector3 fwd = m_cameraTargetPosition-m_cameraPosition;
b3Vector3 side = m_cameraUp.cross(fwd);
side.normalize();
m_cameraTargetPosition += side * xDelta*0.01;
}
if (m_rightMouseButton)
{
m_cameraDistance -= xDelta*0.01;
m_cameraDistance -= yDelta*0.01;
if (m_cameraDistance<1)
m_cameraDistance=1;
if (m_cameraDistance>1000)
m_cameraDistance=1000;
}
}
//printf("m_azi/pitch = %f\n", m_azi);
// printf("m_ele/yaw = %f\n", m_ele);
m_mouseXpos = x;
m_mouseYpos = y;
m_mouseInitialized = true;
}示例4: applyImpulse
void applyImpulse(const b3Vector3& impulse, const b3Vector3& rel_pos)
{
m_linearVelocity += impulse * m_invMass;
b3Vector3 torqueImpulse = rel_pos.cross(impulse);
m_angularVelocity += m_invInertiaTensorWorld * torqueImpulse;
}示例5: getVelocity
b3Vector3 getVelocity(const b3Vector3& relPos) const
{
return m_linearVelocity + m_angularVelocity.cross(relPos);
}