void PhysicsHelper::CreateTetrahedron(PhysicsWorld& world)
{
Particle* p0 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p1 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p2 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p3 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
p0->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p1->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p2->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p3->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
world.AddParticle(p0);
world.AddParticle(p1);
world.AddParticle(p2);
world.AddParticle(p3);
Spring* s0 = new Spring(p0, p1, 1.0f);
Spring* s1 = new Spring(p1, p2, 1.0f);
Spring* s2 = new Spring(p2, p3, 1.0f);
Spring* s3 = new Spring(p3, p0, 1.0f);
Spring* s4 = new Spring(p0, p2, 1.0f);
Spring* s5 = new Spring(p1, p3, 1.0f);
world.AddConstraint(s0);
world.AddConstraint(s1);
world.AddConstraint(s2);
world.AddConstraint(s3);
world.AddConstraint(s4);
world.AddConstraint(s5);
}
void PhysicsHelper::CreateCloth(PhysicsWorld& world)
{
Particle* p = new Particle[kClothWidth*kClothHeight];
for(u32 i = 0; i < kClothWidth*kClothHeight; ++i)
{
p[i] = Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(10.0f, kParticleSpawnVariance + 1.0f), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
p[i].SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
world.AddParticle(&p[i]);
}
f32 const kRootTwo = Math::Sqrt(2.0f);
//Spring* s0 = new Spring(p0, p1, 1.0f);
//Spring* s1 = new Spring(p1, p2, 1.0f);
//Spring* s2 = new Spring(p3, p4, 1.0f);
//Spring* s3 = new Spring(p4, p5, 1.0f);
//Spring* s4 = new Spring(p6, p7, 1.0f);
//Spring* s5 = new Spring(p7, p8, 1.0f);
//Spring* s6 = new Spring(p0, p3, 1.0f);
//Spring* s7 = new Spring(p3, p6, 1.0f);
//Spring* s8 = new Spring(p1, p4, 1.0f);
//Spring* s9 = new Spring(p4, p7, 1.0f);
//Spring* s10 = new Spring(p2, p5, 1.0f);
//Spring* s11 = new Spring(p5, p8, 1.0f);
//Spring* s12 = new Spring(p0, p4, kRootTwo);
//Spring* s13 = new Spring(p4, p8, kRootTwo);
//Spring* s14 = new Spring(p3, p1, kRootTwo);
//Spring* s15 = new Spring(p1, p5, kRootTwo);
//Spring* s16 = new Spring(p6, p4, kRootTwo);
//Spring* s17 = new Spring(p4, p2, kRootTwo);
//Spring* s18 = new Spring(p3, p7, kRootTwo);
//Spring* s19 = new Spring(p7, p5, kRootTwo);
//world.AddConstraint(s0);
//world.AddConstraint(s1);
//world.AddConstraint(s2);
//world.AddConstraint(s3);
//world.AddConstraint(s4);
//world.AddConstraint(s5);
//world.AddConstraint(s6);
//world.AddConstraint(s7);
//world.AddConstraint(s8);
//world.AddConstraint(s9);
//world.AddConstraint(s10);
//world.AddConstraint(s11);
//world.AddConstraint(s12);
//world.AddConstraint(s13);
//world.AddConstraint(s14);
//world.AddConstraint(s15);
//world.AddConstraint(s16);
//world.AddConstraint(s17);
//world.AddConstraint(s18);
//world.AddConstraint(s19);
}
void PhysicsHelper::CreateCube(PhysicsWorld& world)
{
Particle* p0 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p1 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p2 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p3 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p4 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p5 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p6 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
Particle* p7 = new Particle(Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), Random::GetF(kParticleHeight, kParticleSpawnVariance + kParticleHeight), Random::GetF(-kParticleSpawnVariance, kParticleSpawnVariance), kRadius, kInverseMass);
p0->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p1->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p2->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p3->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p4->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p5->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p6->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
p7->SetVelocity(Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep, Random::GetF(0.0f, kParticleVelocityRange)*kTimeStep, Random::GetF(-kParticleVelocityRange, kParticleVelocityRange)*kTimeStep);
world.AddParticle(p0);
world.AddParticle(p1);
world.AddParticle(p2);
world.AddParticle(p3);
world.AddParticle(p4);
world.AddParticle(p5);
world.AddParticle(p6);
world.AddParticle(p7);
Spring* s0 = new Spring(p0, p1, 1.0f);
Spring* s1 = new Spring(p1, p2, 1.0f);
Spring* s2 = new Spring(p2, p3, 1.0f);
Spring* s3 = new Spring(p3, p0, 1.0f);
Spring* s4 = new Spring(p0, p4, 1.0f);
Spring* s5 = new Spring(p1, p5, 1.0f);
Spring* s6 = new Spring(p2, p6, 1.0f);
Spring* s7 = new Spring(p3, p7, 1.0f);
Spring* s8 = new Spring(p4, p5, 1.0f);
Spring* s9 = new Spring(p5, p6, 1.0f);
Spring* s10 = new Spring(p6, p7, 1.0f);
Spring* s11 = new Spring(p7, p4, 1.0f);
f32 const kRootTwo = Math::Sqrt(2.0f);
Spring* s12 = new Spring(p0, p2, kRootTwo);
Spring* s13 = new Spring(p1, p3, kRootTwo);
Spring* s14 = new Spring(p1, p6, kRootTwo);
Spring* s15 = new Spring(p5, p2, kRootTwo);
Spring* s16 = new Spring(p4, p6, kRootTwo);
Spring* s17 = new Spring(p5, p7, kRootTwo);
Spring* s18 = new Spring(p4, p3, kRootTwo);
Spring* s19 = new Spring(p0, p7, kRootTwo);
Spring* s20 = new Spring(p0, p5, kRootTwo);
Spring* s21 = new Spring(p1, p4, kRootTwo);
Spring* s22 = new Spring(p3, p6, kRootTwo);
Spring* s23 = new Spring(p2, p7, kRootTwo);
world.AddConstraint(s0);
world.AddConstraint(s1);
world.AddConstraint(s2);
world.AddConstraint(s3);
world.AddConstraint(s4);
world.AddConstraint(s5);
world.AddConstraint(s6);
world.AddConstraint(s7);
world.AddConstraint(s8);
world.AddConstraint(s9);
world.AddConstraint(s10);
world.AddConstraint(s11);
world.AddConstraint(s12);
world.AddConstraint(s13);
world.AddConstraint(s14);
world.AddConstraint(s15);
world.AddConstraint(s16);
world.AddConstraint(s17);
world.AddConstraint(s18);
world.AddConstraint(s19);
world.AddConstraint(s20);
world.AddConstraint(s21);
world.AddConstraint(s22);
world.AddConstraint(s23);
}