//Create Particle Link
public Particle2DLink CreateLink(GameObject object1, GameObject object2, float maxLength)
{
ParticleRod particleRod = object1.AddComponent <ParticleRod>();
particleRod.Initialize(object1, object2, maxLength);
return(object1.GetComponent <ParticleRod>());
}
// Start is called before the first frame update
void Start()
{
GameObject obj1 = GameObject.Find("Rod1");
GameObject obj2 = GameObject.Find("Rod2");
GameObject particleLinkObj = new GameObject("Link" + obj1.name + " " + obj2.name);
ParticleRod newParticleRod = particleLinkObj.AddComponent <ParticleRod>();
newParticleRod.Initialize(obj1, obj2, 2);
mParticleLinks.Add(newParticleRod);
}
public void TestConstructor()
{
var pA = new Particle {
Mass = 1
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(5, 0)
};
var rod = new ParticleRod(pA, pB);
Assert.AreEqual(pA, rod.ParticleA);
Assert.AreEqual(pB, rod.ParticleB);
}
// Start is called before the first frame update
void Start()
{
GameObject particleLinkObject = new GameObject("LINK " + GameObject.Find("RodAnchor").name + " " + GameObject.Find("RodPlatform").name);
ParticleRod newParticleRod = particleLinkObject.AddComponent <ParticleRod>();
newParticleRod.Initialize(GameObject.Find("RodPlatform"), GameObject.Find("RodAnchor"), 10);
ContactResolver.Instance.mParticleLinks.Add(newParticleRod);
//Swing Platform
GameObject particleLinkObject2 = new GameObject("LINK " + GameObject.Find("SwingAnchor").name + " " + GameObject.Find("SwingPlatform").name);
ParticleRod particleRod = particleLinkObject.AddComponent <ParticleRod>();
particleRod.Initialize(GameObject.Find("SwingPlatform"), GameObject.Find("SwingAnchor"), 10);
ContactResolver.Instance.mParticleLinks.Add(particleRod);
}
public void TestGetEnumerator()
{
var pA = new Particle {
Mass = 1
};
var pB = new Particle {
Mass = 1, Position = new Vector2D(5, 0)
};
var rod = new ParticleRod(pA, pB);
var contacts = new List <ParticleContact>();
contacts.AddRange(rod);
Assert.AreEqual(0, contacts.Count, "长度未变化时不产生任何碰撞");
pB.Position = new Vector2D(6, 0);
foreach (var contact in rod)
{
Assert.AreEqual(1, contact.Penetration);
Assert.AreEqual(new Vector2D(1, 0), contact.ContactNormal);
}
pB.Position = new Vector2D(4, 0);
foreach (var contact in rod)
{
Assert.AreEqual(1, contact.Penetration);
Assert.AreEqual(new Vector2D(-1, 0), contact.ContactNormal);
}
pB.Position = new Vector2D(4, 0);
IEnumerable iEnum = rod;
foreach (ParticleContact contact in iEnum)
{
Assert.AreEqual(1, contact.Penetration);
Assert.AreEqual(new Vector2D(-1, 0), contact.ContactNormal);
}
}
public void CreateProjectile(GameObject projectile, Transform spawnPoint, Transform playerPos)
{
float speed = 0.0f;
Vector2 angle = new Vector2(spawnPoint.position.x - playerPos.position.x, spawnPoint.position.y - playerPos.position.y);
Vector2 gravity;
PhysicsObject2D proj;
GameObject part;
switch (mCurrentWeaponType)
{
case WeaponType.SPRING:
{
speed = 20.0f;
float speed2 = 15.0f;
gravity = new Vector2(0.0f, -6.0f);
float mass1, mass2;
mass1 = 1.0f;
mass2 = 2.0f;
part = Instantiate(projectile, spawnPoint.position, spawnPoint.rotation);
mParticleManager.AddParticle(part.GetComponent <Particle2D>());
proj = part.GetComponent <PhysicsObject2D>();
proj.SetVel(angle * speed);
proj.SetAcc(gravity);
proj.SetInverseMass(mass1);
proj.SetDamping(0.99f);
mPhysicsObjects.Add(proj);
PhysicsObject2D proj2;
part = Instantiate(projectile, spawnPoint.position - new Vector3(1.0f, 0.0f, 0.0f), spawnPoint.rotation);
proj2 = part.GetComponent <PhysicsObject2D>();
mParticleManager.AddParticle(part.GetComponent <Particle2D>());
proj2.SetVel(angle * speed2);
proj2.SetAcc(gravity);
proj2.SetInverseMass(mass2);
proj2.SetDamping(0.99f);
mPhysicsObjects.Add(proj2);
proj2.gameObject.AddComponent <DestroyOnExit>();
SpringForceGenerator springForceGenerator = new SpringForceGenerator(proj, proj2, 1.0f, 50.0f, true);
proj2.gameObject.GetComponent <DestroyOnExit>().mForceGenerators.Add(springForceGenerator);
mForceManager.AddForceGenerator(springForceGenerator);
BouyancyForceGenerator bGenerator = new BouyancyForceGenerator(true, proj, -6, 100, 0);
mForceManager.AddForceGenerator(bGenerator);
proj2.gameObject.GetComponent <DestroyOnExit>().mForceGenerators.Add(bGenerator);
bGenerator = new BouyancyForceGenerator(true, proj2, -6, 100, 0);
mForceManager.AddForceGenerator(bGenerator);
proj2.gameObject.GetComponent <DestroyOnExit>().mForceGenerators.Add(bGenerator);
}
break;
case WeaponType.ROD:
{
speed = 30.0f;
gravity = new Vector2(0.0f, -6.0f);
proj = Instantiate(projectile, spawnPoint.position, spawnPoint.rotation).GetComponent <PhysicsObject2D>();
proj.SetVel(angle * speed);
proj.SetAcc(gravity);
proj.SetInverseMass(1.0f);
proj.SetDamping(0.99f);
mPhysicsObjects.Add(proj);
PhysicsObject2D proj2;
proj2 = Instantiate(projectile, spawnPoint.position + new Vector3(2.5f, 0.0f), spawnPoint.rotation).GetComponent <PhysicsObject2D>();
proj2.SetVel(angle * speed);
proj2.SetAcc(gravity);
proj2.SetInverseMass(1.0f);
proj2.SetDamping(0.99f);
mPhysicsObjects.Add(proj2);
proj2.gameObject.AddComponent <DestroyOnExit>();
Particle2DLink link = new ParticleRod(proj, proj2, 5.0f);
AddParticleLink(link);
BouyancyForceGenerator bGenerator = new BouyancyForceGenerator(true, proj, -6, 100, 0);
mForceManager.AddForceGenerator(bGenerator);
proj2.gameObject.GetComponent <DestroyOnExit>().mForceGenerators.Add(bGenerator);
bGenerator = new BouyancyForceGenerator(true, proj2, -6, 100, 0);
mForceManager.AddForceGenerator(bGenerator);
proj2.gameObject.GetComponent <DestroyOnExit>().mForceGenerators.Add(bGenerator);
}
break;
}
}
/// <summary>
/// 在物理世界创建一根质体硬棒
/// 该硬棒由两个质体（质点）组成，两个质体的距离不会发生变化
/// </summary>
/// <param name="world"></param>
/// <param name="a"></param>
/// <param name="b"></param>
/// <returns></returns>
public static ParticleRod CreateRod(this World world, Particle a, Particle b)
{
var rod = new ParticleRod(a, b);
return(world.CreateContact(rod));
}
public void initialize()
{
Random rnd = new Random();
int numParticles = particleArray.Length;
//lines
float startX = 400.0f;
float startY = 300.0f;
float distanceX = 20.0f;
float distanceY = 20.0f;
float radius = 8.0f;
int stride = 4;
int cableCounter = 0;
for (int i = 0; i < (numParticles - freeParticles); ++i)
{
int row = i / stride;
int column = i - (stride * row);
float x = startX + distanceX * ((float)(column));
float y = startY + distanceY * ((float)(row));
particleArray[i].setPosition(x, y, 0.0f);
particleArray[i].Mass = 1.0f;
particleArray[i].Radius = radius;
//particleArray[i].setVelocity(20.0f, 90.0f + (float)(i * 10 * rnd.Next() % 20), 0.0f);
particleArray[i].setVelocity(0.0f, 0.0f, 0.0f);
particleArray[i].setAcceleration(0.0f, 0.0f, 0.0f);
particleArray[i].Damping = 0.99f;
particleArray[i].clearAccumulator();
if (row != 0 && column != 0)
{
// --
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = distanceX;
particleRods[cableCounter].particles[0] = particleArray[i];
particleRods[cableCounter].particles[1] = particleArray[i - 1];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
// \
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = (float)Math.Sqrt(distanceX * distanceX + distanceY * distanceY);
particleRods[cableCounter].particles[0] = particleArray[i];
particleRods[cableCounter].particles[1] = particleArray[i - stride - 1];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
// /
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = (float)Math.Sqrt(distanceX * distanceX + distanceY * distanceY);
particleRods[cableCounter].particles[0] = particleArray[i - 1];
particleRods[cableCounter].particles[1] = particleArray[i - stride];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
}
else
{
if (row != 0 && column == 0)
{
// --
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = distanceX;
particleRods[cableCounter].particles[0] = particleArray[i];
particleRods[cableCounter].particles[1] = particleArray[i + 1];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
}
}
if (i >= stride)
{
if (row != 0)
{
// |
particleRods[cableCounter] = new ParticleRod();
particleRods[cableCounter].length = distanceY;
particleRods[cableCounter].particles[0] = particleArray[i - stride];
particleRods[cableCounter].particles[1] = particleArray[i];
world1.getContactGenerators().Add(particleRods[cableCounter]);
++cableCounter;
}
}
particleGravityArray[i] = new ParticleGravity(new Vec3(0.0f, 9.8f * 10.0f, 0.0f));
world1.getForceRegistry().add(particleArray[i], particleGravityArray[i]);
}
for (int i = particleCount; i < (particleCount + freeParticles); ++i)
{
int randX = Math.Abs(rnd.Next() % 36);
float x = 15.0f + (float)((i - freeParticles) * 40);
float y = 0.0f + (i - freeParticles);
particleArray[i].setPosition(x, y, 0.0f);
particleArray[i].Mass = 10.0f;
particleArray[i].Radius = 20.0f + 3.0f * (float)(rnd.Next() % 3);
particleArray[i].setVelocity(20.0f * (i % 2 == 0 ? -1.0f : 1.0f), 90.0f + (float)(i * 10 * rnd.Next() % 20), 0.0f);
particleArray[i].setAcceleration(0.0f, 0.0f, 0.0f);
particleArray[i].Damping = 0.99f;
particleArray[i].clearAccumulator();
particleGravityArray[i] = new ParticleGravity(new Vec3(0.0f, 9.8f * 40.0f, 0.0f));
world1.getForceRegistry().add(particleArray[i], particleGravityArray[i]);
}
loadTextures();
loadModels();
buildGeometry();
buildCamera();
}
// Update is called once per frame
void Update()
{
if (Input.GetKey(KeyCode.Alpha1))
{
transform.Rotate(Vector3.forward * 1.0f);
}
if (Input.GetKey(KeyCode.Alpha2))
{
transform.Rotate(Vector3.back * 1.0f);
}
if (Input.GetKeyDown(KeyCode.W))
{
mCurrentProjectile += 1;
if (mCurrentProjectile == ProjectileType.NumberOfTypes)
{
mCurrentProjectile = 0;
}
}
if (Input.GetKeyDown(KeyCode.Return))
{
if (mCurrentProjectile == 0)
{
//rod weapon
GameObject Projectile1 = Instantiate(bulletPrefab);
Projectile1.transform.position = transform.position;
Projectile1.transform.rotation = transform.rotation;
Projectile1.tag = "Projectile";
Particle2D Projectile1Data = Projectile1.AddComponent <Particle2D>();
Projectile1Data.Mass = rodEndMass1;
Projectile1Data.Velocity = transform.up * rodEndVelocity1;
Projectile1Data.Acceleration = rodEndAcceleration1;
Projectile1Data.DampingConstant = rodEndDampingConstant1;
Projectile1Data.shouldIgnoreForces = rodEndshouldIgnoreForces1;
ParticleManager.Instance.mParticles.Add(Projectile1Data);
GameObject Projectile2 = Instantiate(bulletPrefab);
Projectile2.transform.position = transform.position + new Vector3(0, 1, 0);;
Projectile2.transform.rotation = transform.rotation;
Projectile2.tag = "Projectile";
Particle2D Projectile2Data = Projectile2.AddComponent <Particle2D>();
Projectile2Data.Mass = rodEndMass2;
Projectile2Data.Velocity = transform.up * rodEndVelocity2;
Projectile2Data.Acceleration = rodEndAcceleration2;
Projectile2Data.DampingConstant = rodEndDampingConstant2;
Projectile2Data.shouldIgnoreForces = rodEndshouldIgnoreForces2;
ParticleManager.Instance.mParticles.Add(Projectile2Data);
GameObject particleLinkObject = new GameObject("LINK " + Projectile1.name + " " + Projectile2.name);
ParticleRod newParticleRod = particleLinkObject.AddComponent <ParticleRod>();
newParticleRod.Initialize(Projectile1, Projectile2, 2);
ContactResolver.Instance.mParticleLinks.Add(newParticleRod);
}
else
{
//spring weapon
GameObject Projectile1 = Instantiate(bulletPrefab);
Projectile1.transform.position = transform.position;
Projectile1.transform.rotation = transform.rotation;
Projectile1.tag = "Projectile";
Particle2D Projectile1Data = Projectile1.AddComponent <Particle2D>();
Projectile1Data.Mass = springEndMass1;
Projectile1Data.Velocity = transform.up * springEndVelocity1;
Projectile1Data.Acceleration = springEndAcceleration1;
Projectile1Data.DampingConstant = springEndDampingConstant1;
Projectile1Data.shouldIgnoreForces = springEndshouldIgnoreForces1;
ParticleManager.Instance.mParticles.Add(Projectile1Data);
GameObject Projectile2 = Instantiate(bulletPrefab);
Projectile2.transform.position = transform.position + new Vector3(0, 1, 0);
Projectile2.transform.rotation = transform.rotation;
Projectile2.tag = "Projectile";
Particle2D Projectile2Data = Projectile2.AddComponent <Particle2D>();
Projectile2Data.Mass = springEndMass2;
Projectile2Data.Velocity = transform.up * springEndVelocity2;
Projectile2Data.Acceleration = springEndAcceleration2;
Projectile2Data.DampingConstant = springEndDampingConstant2;
Projectile2Data.shouldIgnoreForces = springEndshouldIgnoreForces2;
ParticleManager.Instance.mParticles.Add(Projectile2Data);
ForceManager.Instance.CreateSpringForceGenerator(Projectile1, Projectile2, springConstant, restLength);
}
}
}
void CreateProjectile(Projectiles projectileType, GameObject projectile)
{
switch (projectileType)
{
case Projectiles.PISTOL:
projectile.transform.position = transform.position;
projectile.GetComponent <Particle2D>().CreateParticle2D(2.0f, 0.99f, 10.0f, transform.right, projGravity, true);
projectile.GetComponent <Particle2D>().setShouldIgnoreForces(false);
BuoyancyForceGenerator buoyancy = new BuoyancyForceGenerator(projectile, projectile.transform.localScale.y / 2.0f, 1.0f, WaterObject.waterTopPos.y, 80.0f);
ForceManager.instance.AddForceGen(buoyancy);
projectile.GetComponent <Particle2D>().setParticleInstantiated(true);
Debug.Log(currentProjectileType);
break;
case Projectiles.SPRINGSHOT:
projectile.transform.position = transform.position;
GameObject secondShot = Instantiate(projectile);
Vector3 newPos = new Vector3(0.0f, 2.0f, 0.0f);
secondShot.transform.position = newPos;
projectile.GetComponent <Particle2D>().CreateParticle2D(2.0f, 0.99f, 10.0f, transform.right, projGravity, true);
secondShot.GetComponent <Particle2D>().CreateParticle2D(2.0f, 0.99f, 25.0f, transform.right, projGravity, true);
projectile.GetComponent <Particle2D>().setShouldIgnoreForces(false);
secondShot.GetComponent <Particle2D>().setShouldIgnoreForces(false);
SpringForceGenerator springGen = new SpringForceGenerator(projectile, secondShot, 2.0f, 0.5f);
ForceManager.instance.AddForceGen(springGen);
BuoyancyForceGenerator springBuoy1 = new BuoyancyForceGenerator(projectile, projectile.transform.localScale.y / 2.0f, 1.0f, WaterObject.waterTopPos.y, 80.0f);
ForceManager.instance.AddForceGen(springBuoy1);
BuoyancyForceGenerator springBuoy2 = new BuoyancyForceGenerator(projectile, projectile.transform.localScale.y / 2.0f, 1.0f, WaterObject.waterTopPos.y, 80.0f);
ForceManager.instance.AddForceGen(springBuoy2);
projectile.GetComponent <Particle2D>().setParticleInstantiated(true);
secondShot.GetComponent <Particle2D>().setParticleInstantiated(true);
Debug.Log(currentProjectileType);
break;
case Projectiles.RODSHOT:
projectile.transform.position = transform.position;
GameObject connectedShot = Instantiate(projectile);
Vector3 changePos = new Vector3(0.0f, 2.0f, 0.0f);
connectedShot.transform.position = changePos;
projectile.GetComponent <Particle2D>().CreateParticle2D(2.0f, 0.99f, 10.0f, transform.right, projGravity, true);
connectedShot.GetComponent <Particle2D>().CreateParticle2D(2.0f, 0.99f, 25.0f, transform.right, projGravity, true);
projectile.GetComponent <Particle2D>().setShouldIgnoreForces(false);
connectedShot.GetComponent <Particle2D>().setShouldIgnoreForces(false);
ParticleRod newRod = new ParticleRod();
newRod.InstantiateVariables(projectile.GetComponent <Particle2D>(), connectedShot.GetComponent <Particle2D>(), 10.0f);
particleLinks.Add(newRod);
BuoyancyForceGenerator rodBuoy1 = new BuoyancyForceGenerator(projectile, projectile.transform.localScale.y / 2.0f, 1.0f, WaterObject.waterTopPos.y, 80.0f);
ForceManager.instance.AddForceGen(rodBuoy1);
BuoyancyForceGenerator rodBuoy2 = new BuoyancyForceGenerator(projectile, projectile.transform.localScale.y / 2.0f, 1.0f, WaterObject.waterTopPos.y, 80.0f);
ForceManager.instance.AddForceGen(rodBuoy2);
projectile.GetComponent <Particle2D>().setParticleInstantiated(true);
connectedShot.GetComponent <Particle2D>().setParticleInstantiated(true);
Debug.Log(currentProjectileType);
break;
}
}