inline const Vector2& PhysicsMotion2D::UpdateVelocity(const Vector2& accelUnitsPerSecondSquared, double deltaSeconds) {
m_velocityUnitsPerSecond += accelUnitsPerSecondSquared * (float)deltaSeconds;
//update velocity direction with angular velocity
if (m_lockMotionToOrientation) {
m_velocityUnitsPerSecond.SetLengthAndHeadingDegrees(ClampVelocity(m_velocityUnitsPerSecond.CalcLength()), m_orientationDegrees);
}
else {
ClampVelocity(m_velocityUnitsPerSecond.CalcLength());
}
return m_velocityUnitsPerSecond;
}
inline const Vector2& PhysicsMotion2D::UpdateAcceleration(double deltaSeconds) {
UNUSED(deltaSeconds);
if (m_lockMotionToOrientation) {
m_accelerationUnitsPerSecondSquared.SetLengthAndHeadingDegrees(m_accelerationUnitsPerSecondSquared.CalcLength(), m_orientationDegrees);
}
return m_accelerationUnitsPerSecondSquared;
}
//-----------------------------------------------------------------------------------------------
void Scenario::ForceActorOutsideOfArea( Actor& actor, Area& area )
{
Vector2 closestPointInAreaToActorCenter = FindClosestPointInBoundsToTarget( area.m_bounds, actor.m_position, false );
Vector2 displacementToClosestPoint = closestPointInAreaToActorCenter - actor.m_position;
float distanceToClosestPoint = displacementToClosestPoint.CalcLength();
if( distanceToClosestPoint < actor.CalcRadius() )
{
Vector2 desiredDisplacementFromClosestPoint = -displacementToClosestPoint;
desiredDisplacementFromClosestPoint.SetLength( actor.CalcRadius() );
actor.m_position = closestPointInAreaToActorCenter + desiredDisplacementFromClosestPoint;
}
}
//-----------------------------------------------------------------------------------------------
bool Scenario::IsActorAtAllInsideArea( Actor& actor, Area& area )
{
Vector2 closestPointInAreaToActorCenter = FindClosestPointInBoundsToTarget( area.m_bounds, actor.m_position, true );
Vector2 displacementToClosestPoint = closestPointInAreaToActorCenter - actor.m_position;
float distanceToClosestPoint = displacementToClosestPoint.CalcLength();
if( distanceToClosestPoint < actor.CalcRadius() )
{
return true;
}
else
{
return false;
}
}
