public override void UpdateForce(PhysicsEngineForFun.Particle particle, float duration)
{
if (particles == null)
{
Debug.LogError("Please Assign a value to the variable named particles");
return;
}
int joinCount = 0;
if (particles == null)
{
Debug.LogError("Please Assign a value to the variable named particles");
return;
}
foreach (var p in particles)
{
Vector3 dir = p.GetParticlePos() - particle.GetParticlePos();
float dis = dir.magnitude;
if (dis < minNaturalDistance)
{
float a = dis / minNaturalDistance;
particle.AddForce(
(dir.normalized * a * maximumForceToPushApart * -1.0f)
.GetPhysicsEngineVector3()
);
joinCount++;
}
else if (dis > maxNaturalDistance && dis < maxDistance)
{
float a = (dis - maxNaturalDistance) / (maxDistance - maxNaturalDistance);
particle.AddForce(
(dir.normalized * a * maximumForceToPullTogether)
.GetPhysicsEngineVector3()
);
joinCount++;
}
if (p == particle && joinCount > 0)
{
float force = joinCount / particles.Length * maximumForceToFloat;
if (force > maximumForceToFloat)
{
force = maximumForceToFloat;
}
particle.AddForce(new PhysicsEngineForFun.Vector3(0, force, 0));
}
}
}
private bool disposedValue = false; // 要检测冗余调用
protected virtual void Dispose(bool disposing)
{
if (!disposedValue)
{
if (disposing)
{
// TODO: 释放托管状态(托管对象)。
}
// TODO: 释放未托管的资源(未托管的对象)并在以下内容中替代终结器。
// TODO: 将大型字段设置为 null。
particle.Dispose();
particle = null;
disposedValue = true;
}
}
private void Start()
{
blobForceGenerator = new BlobForceGenerator()
{
particles = particles,
maximumForceToPullTogether = 10f,
maximumForceToPushApart = 10f,
maximumForceToFloat = 2f,
minNaturalDistance = partcleRadius * 0.7f,
maxNaturalDistance = partcleRadius * 1.4f,
maxDistance = partcleRadius * 2.1f
};
for (int i = 0; i < 5; ++i)
{
particles[i] = new PhysicsEngineForFun.Particle()
{
velocity = new PhysicsEngineForFun.Vector3(0, 0, 0),
position = new PhysicsEngineForFun.Vector3(Random.Range(2 * i - 5, 2 * i + -3), 3, 0),
acceleration = new PhysicsEngineForFun.Vector3(0, -2f, 0),
damping = 0.2f
};
particles[i].SetMass(0.2f);
particles[i].ClearAccumulator();
world.particles.Add(particles[i]);
platforms[i] = new Platform()
{
PointInPlatform = Vector3.zero,
Normal = Vector3.up,
ParticleRadius = partcleRadius,
CheckParticle = particles[i]
};
world.registry.Add(particles[i], blobForceGenerator);
world.contactGenerators.Add(platforms[i]);
}
}
public Ammo(GameObject go)
{
particle = new PhysicsEngineForFun.Particle();
startTime = 0;
this.go = GameObject.Instantiate(go);
}
private void Start()
{
for (int i = 0; i < 12; ++i)
{
PhysicsEngineForFun.Particle p = new PhysicsEngineForFun.Particle
{
position = new PhysicsEngineForFun.Vector3(i / 2, 0, i % 2),
velocity = new PhysicsEngineForFun.Vector3(0, 0, 0),
damping = 0.9f,
acceleration = new PhysicsEngineForFun.Vector3(0, -9.8f, 0)
};
p.ClearAccumulator();
world.particles.Add(p);
particles[i] = p;
}
for (int i = 0; i < 10; ++i)
{
PhysicsEngineForFun.ParticleCable c = new PhysicsEngineForFun.ParticleCable
{
particle0 = particles[i],
particle1 = particles[i + 2],
maxLength = 2f,
restitutionCoefficient = 0.3f
};
world.contactGenerators.Add(c);
cables[i] = c;
}
for (int i = 0; i < 12; ++i)
{
PhysicsEngineForFun.ParticleCableConstraint c = new PhysicsEngineForFun.ParticleCableConstraint()
{
particle = particles[i],
anchorPoint = new PhysicsEngineForFun.Vector3(i / 2 * 2f + 4f, 4, i % 2 * 1.4f - 3.2f),
maxLength = i < 6 ? i / 2 * 0.5f + 3f : (5 - i / 2) * 0.5f + 3f,
restitutionCoefficient = 0.5f
};
world.contactGenerators.Add(c);
constraints[i] = c;
}
for (int i = 0; i < 6; ++i)
{
PhysicsEngineForFun.ParticleConnectingRod r = new PhysicsEngineForFun.ParticleConnectingRod()
{
particle0 = particles[i * 2],
particle1 = particles[i * 2 + 1],
Length = 2f
};
world.contactGenerators.Add(r);
connectingRods[i] = r;
}
UpdateAdditionalMass();
}
private void Start()
{
for (int i = 0; i < 4; ++i)
{
PhysicsEngineForFun.Particle p = new PhysicsEngineForFun.Particle
{
velocity = new PhysicsEngineForFun.Vector3(0, 0, 0),
damping = 0.9f,
acceleration = new PhysicsEngineForFun.Vector3(0, -9.8f, 0)
};
p.ClearAccumulator();
world.particles.Add(p);
particles[i] = p;
}
particles[0].position = new PhysicsEngineForFun.Vector3(-3, 2, 1);
particles[1].position = new PhysicsEngineForFun.Vector3(-3, 2, -1);
particles[2].position = new PhysicsEngineForFun.Vector3(4, 2, 1);
particles[3].position = new PhysicsEngineForFun.Vector3(4, 2, -1);
for (int i = 0; i < 6; ++i)
{
connectingRods[i] = new PhysicsEngineForFun.ParticleConnectingRod();
world.contactGenerators.Add(connectingRods[i]);
}
connectingRods[0].particle0 = particles[0];
connectingRods[0].particle1 = particles[1];
connectingRods[0].Length = 2;
connectingRods[1].particle0 = particles[2];
connectingRods[1].particle1 = particles[3];
connectingRods[1].Length = 2;
connectingRods[2].particle0 = particles[0];
connectingRods[2].particle1 = particles[2];
connectingRods[2].Length = 7;
connectingRods[3].particle0 = particles[1];
connectingRods[3].particle1 = particles[3];
connectingRods[3].Length = 7;
connectingRods[4].particle0 = particles[0];
connectingRods[4].particle1 = particles[3];
connectingRods[4].Length = 7.28f;
connectingRods[5].particle0 = particles[1];
connectingRods[5].particle1 = particles[2];
connectingRods[5].Length = 7.28f;
for (int i = 0; i < 8; ++i)
{
rodsConstraints[i] = new PhysicsEngineForFun.ParticleConnectingRodConstraint();
world.contactGenerators.Add(rodsConstraints[i]);
}
rodsConstraints[0].anchorPoint = fixedPoints[0];
rodsConstraints[0].particle = particles[0];
rodsConstraints[0].Length = 3.606f;
rodsConstraints[1].anchorPoint = fixedPoints[1];
rodsConstraints[1].particle = particles[1];
rodsConstraints[1].Length = 3.606f;
rodsConstraints[2].anchorPoint = fixedPoints[0];
rodsConstraints[2].particle = particles[2];
rodsConstraints[2].Length = 4.472f;
rodsConstraints[3].anchorPoint = fixedPoints[1];
rodsConstraints[3].particle = particles[3];
rodsConstraints[3].Length = 4.472f;
rodsConstraints[4].anchorPoint = fixedPoints[0];
rodsConstraints[4].particle = particles[1];
rodsConstraints[4].Length = 4.123f;
rodsConstraints[5].particle = particles[3];
rodsConstraints[5].anchorPoint = fixedPoints[0];
rodsConstraints[5].Length = 4.899f;
rodsConstraints[6].particle = particles[2];
rodsConstraints[6].anchorPoint = fixedPoints[1];
rodsConstraints[6].Length = 4.899f;
rodsConstraints[7].anchorPoint = fixedPoints[1];
rodsConstraints[7].particle = particles[0];
rodsConstraints[7].Length = 4.123f;
UpdateAdditionalMass();
}
