static byte DoDisp( type_length val, hw_reg_set base_reg, name *op )
/**********************************************************************/
{
name *base;
if( op == NULL ) {
return( Displacement( val, base_reg ) );
} else if( op->n.class == N_TEMP ) {
base = DeAlias( op );
if( base->t.location == NO_LOCATION ) {
_Zoiks( ZOIKS_034 );
}
val += TmpLoc( base, op );
return( Displacement( val, base_reg ) );
} else if( op->n.class == N_MEMORY ) {
bool AttributeAttractRepelParticleAffector::affect(ParticleSystemRefPtr System, Int32 ParticleIndex, const Time& elps)
{
if(System != NULL)
{
Vec3f Displacement(System->getSecPosition(ParticleIndex) - System->getPosition(ParticleIndex) );
Real32 Distance(Displacement.squareLength());
if((Distance > getMinDistance()*getMinDistance()) &&
(Distance < getMaxDistance()*getMaxDistance()))
{
Distance = osgSqrt(Distance);
Displacement.normalize();
Real32 t((getQuadratic() * (Distance*Distance) + getLinear() * Distance + getConstant())*elps);
if(t > Distance)
{
t=Distance;
}
System->setPosition(System->getPosition(ParticleIndex) + (Displacement * t),ParticleIndex) ;
}
}
return false;
}
static byte DoDisp( name *op, hw_reg_set regs )
/*************************************************/
{
name *base;
int val;
byte dmod;
name *temp_base;
val = op->i.constant; /* use integer value*/
base = op->i.base;
if( !HasTrueBase( op ) ) {
dmod = Displacement( val, regs );
} else if( base->n.class == N_TEMP ) {
temp_base = DeAlias( base );
if( temp_base->t.location == NO_LOCATION ) {
_Zoiks( ZOIKS_034 );
}
val += NewBase( temp_base ) + base->v.offset - temp_base->v.offset;
dmod = Displacement( val, regs );
} else {
Suspension::Displacement Suspension::Spring::doRaycast() {
double length = Physics::PhysicsWorld::getInstance()
->raycastLength(suspensionPoint, suspensionPoint + axis);
bool onGround = true;
if(length > stretchLength) { // stretched too far
length = stretchLength;
onGround = false;
}
else if(length < minLength) { // compressed too much
length = minLength;
}
double normalizedLength = length - restLength;
return Displacement(normalizedLength, onGround);
}
