void PlatformDemo::updateAdditionalMass()
{
for (unsigned i = 2; i < 6; i++)
{
particleArray[i].setMass(BASE_MASS);
}
// Find the coordinates of the mass as an index and proportion
cyclone::real xp = massPos.x;
if (xp < 0) xp = 0;
if (xp > 1) xp = 1;
cyclone::real zp = massPos.z;
if (zp < 0) zp = 0;
if (zp > 1) zp = 1;
// Calculate where to draw the mass
massDisplayPos.clear();
// Add the proportion to the correct masses
particleArray[2].setMass(BASE_MASS + EXTRA_MASS*(1-xp)*(1-zp));
massDisplayPos.addScaledVector(
particleArray[2].getPosition(), (1-xp)*(1-zp)
);
if (xp > 0)
{
particleArray[4].setMass(BASE_MASS + EXTRA_MASS*xp*(1-zp));
massDisplayPos.addScaledVector(
particleArray[4].getPosition(), xp*(1-zp)
);
if (zp > 0)
{
particleArray[5].setMass(BASE_MASS + EXTRA_MASS*xp*zp);
massDisplayPos.addScaledVector(
particleArray[5].getPosition(), xp*zp
);
}
}
if (zp > 0)
{
particleArray[3].setMass(BASE_MASS + EXTRA_MASS*(1-xp)*zp);
massDisplayPos.addScaledVector(
particleArray[3].getPosition(), (1-xp)*zp
);
}
}
void BridgeDemo::updateAdditionalMass()
{
for (unsigned i = 0; i < 12; i++)
{
particleArray[i].setMass(BASE_MASS);
}
// Find the coordinates of the mass as an index and proportion
int x = int(massPos.x);
cyclone::real xp = real_fmod(massPos.x, cyclone::real(1.0f));
if (x < 0)
{
x = 0;
xp = 0;
}
if (x >= 5)
{
x = 5;
xp = 0;
}
int z = int(massPos.z);
cyclone::real zp = real_fmod(massPos.z, cyclone::real(1.0f));
if (z < 0)
{
z = 0;
zp = 0;
}
if (z >= 1)
{
z = 1;
zp = 0;
}
// Calculate where to draw the mass
massDisplayPos.clear();
// Add the proportion to the correct masses
particleArray[x*2+z].setMass(BASE_MASS + EXTRA_MASS*(1-xp)*(1-zp));
massDisplayPos.addScaledVector(
particleArray[x*2+z].getPosition(), (1-xp)*(1-zp)
);
if (xp > 0)
{
particleArray[x*2+z+2].setMass(BASE_MASS + EXTRA_MASS*xp*(1-zp));
massDisplayPos.addScaledVector(
particleArray[x*2+z+2].getPosition(), xp*(1-zp)
);
if (zp > 0)
{
particleArray[x*2+z+3].setMass(BASE_MASS + EXTRA_MASS*xp*zp);
massDisplayPos.addScaledVector(
particleArray[x*2+z+3].getPosition(), xp*zp
);
}
}
if (zp > 0)
{
particleArray[x*2+z+1].setMass(BASE_MASS + EXTRA_MASS*(1-xp)*zp);
massDisplayPos.addScaledVector(
particleArray[x*2+z+1].getPosition(), (1-xp)*zp
);
}
}
