// Method definitions
BridgeDemo::BridgeDemo()
:
MassAggregateApplication(12), cables(0), supports(0), rods(0),
massPos(0,0,0.5f)
{
// Create the masses and connections.
for (unsigned i = 0; i < 12; i++)
{
unsigned x = (i%12)/2;
particleArray[i].setPosition(
cyclone::real(i/2)*2.0f-5.0f,
4,
cyclone::real(i%2)*2.0f-1.0f
);
particleArray[i].setVelocity(0,0,0);
particleArray[i].setDamping(0.9f);
particleArray[i].setAcceleration(cyclone::Vector3::GRAVITY);
particleArray[i].clearAccumulator();
}
// Add the links
cables = new cyclone::ParticleCable[CABLE_COUNT];
for (unsigned i = 0; i < 10; i++)
{
cables[i].particle[0] = &particleArray[i];
cables[i].particle[1] = &particleArray[i+2];
cables[i].maxLength = 1.9f;
cables[i].restitution = 0.3f;
world.getContactGenerators().push_back(&cables[i]);
}
supports = new cyclone::ParticleCableConstraint[SUPPORT_COUNT];
for (unsigned i = 0; i < SUPPORT_COUNT; i++)
{
supports[i].particle = particleArray+i;
supports[i].anchor = cyclone::Vector3(
cyclone::real(i/2)*2.2f-5.5f,
6,
cyclone::real(i%2)*1.6f-0.8f
);
if (i < 6) supports[i].maxLength = cyclone::real(i/2)*0.5f + 3.0f;
else supports[i].maxLength = 5.5f - cyclone::real(i/2)*0.5f;
supports[i].restitution = 0.5f;
world.getContactGenerators().push_back(&supports[i]);
}
rods = new cyclone::ParticleRod[ROD_COUNT];
for (unsigned i = 0; i < 6; i++)
{
rods[i].particle[0] = &particleArray[i*2];
rods[i].particle[1] = &particleArray[i*2+1];
rods[i].length = 2;
world.getContactGenerators().push_back(&rods[i]);
}
updateAdditionalMass();
}
// Method definitions
PlatformDemo::PlatformDemo()
:
MassAggregateApplication(6), rods(0),
massPos(0,0,0.5f)
{
// Create the masses and connections.
particleArray[0].setPosition(0,0,1);
particleArray[1].setPosition(0,0,-1);
particleArray[2].setPosition(-3,2,1);
particleArray[3].setPosition(-3,2,-1);
particleArray[4].setPosition(4,2,1);
particleArray[5].setPosition(4,2,-1);
for (unsigned i = 0; i < 6; i++)
{
particleArray[i].setMass(BASE_MASS);
particleArray[i].setVelocity(0,0,0);
particleArray[i].setDamping(0.9f);
particleArray[i].setAcceleration(cyclone::Vector3::GRAVITY);
particleArray[i].clearAccumulator();
}
rods = new cyclone::ParticleRod[ROD_COUNT];
rods[0].particle[0] = &particleArray[0];
rods[0].particle[1] = &particleArray[1];
rods[0].length = 2;
rods[1].particle[0] = &particleArray[2];
rods[1].particle[1] = &particleArray[3];
rods[1].length = 2;
rods[2].particle[0] = &particleArray[4];
rods[2].particle[1] = &particleArray[5];
rods[2].length = 2;
rods[3].particle[0] = &particleArray[2];
rods[3].particle[1] = &particleArray[4];
rods[3].length = 7;
rods[4].particle[0] = &particleArray[3];
rods[4].particle[1] = &particleArray[5];
rods[4].length = 7;
rods[5].particle[0] = &particleArray[0];
rods[5].particle[1] = &particleArray[2];
rods[5].length = 3.606;
rods[6].particle[0] = &particleArray[1];
rods[6].particle[1] = &particleArray[3];
rods[6].length = 3.606;
rods[7].particle[0] = &particleArray[0];
rods[7].particle[1] = &particleArray[4];
rods[7].length = 4.472;
rods[8].particle[0] = &particleArray[1];
rods[8].particle[1] = &particleArray[5];
rods[8].length = 4.472;
rods[9].particle[0] = &particleArray[0];
rods[9].particle[1] = &particleArray[3];
rods[9].length = 4.123;
rods[10].particle[0] = &particleArray[2];
rods[10].particle[1] = &particleArray[5];
rods[10].length = 7.28;
rods[11].particle[0] = &particleArray[4];
rods[11].particle[1] = &particleArray[1];
rods[11].length = 4.899;
rods[12].particle[0] = &particleArray[1];
rods[12].particle[1] = &particleArray[2];
rods[12].length = 4.123;
rods[13].particle[0] = &particleArray[3];
rods[13].particle[1] = &particleArray[4];
rods[13].length = 7.28;
rods[14].particle[0] = &particleArray[5];
rods[14].particle[1] = &particleArray[0];
rods[14].length = 4.899;
for (unsigned i = 0; i < ROD_COUNT; i++)
{
world.getContactGenerators().push_back(&rods[i]);
}
updateAdditionalMass();
}
void BridgeDemo::update()
{
MassAggregateApplication::update();
updateAdditionalMass();
}
void PlatformDemo::update()
{
MassAggregateApplication::update();
updateAdditionalMass();
}
