public void updateParticles()
{
if (!active)
{
return;
}
if (particlecount <= 0)
{
return;
}
for (int i = 0; i < maxNum; i++)
{
//particles[i] = new Particle();
if (particles[i].active)
{
particles[i].AgeInTicks++;
if (particles[i].AgeInTicks > particles[i].maxAgeInTicks)
{
particles[i].active = false;
particlecount--;
}
particles[i].vel = particles[i].vel + particles[i].delta;
particles[i].vel = particles[i].vel + windDelta;
particles[i].vel = particles[i].vel * resistance;
if (moveTowards == 3)
{
// 3 = towards moveTowardsPos
Vector2 v = (moveTowardsPos - particles[i].pos);
v.Normalize();
particles[i].vel = particles[i].vel + (v * moveToDrift);
}
if (moveTowards == 4)
{
// 4 = away from moveTowardsPos
Vector2 v = (particles[i].pos - moveTowardsPos);
v.Normalize();
particles[i].vel = particles[i].vel + (v * moveToDrift);
}
// CUSTOM
particles[i].vel *= 0.99f;
//particles[i].vel = particles[i].vel + (randomDelta*new Vector2((float)rnd.NextDouble(), (float)rnd.NextDouble())-randomDelta/2);
particles[i].oldPos.X = particles[i].pos.X;
particles[i].oldPos.Y = particles[i].pos.Y;
particles[i].pos = particles[i].pos + particles[i].vel;
if (setDisplayAngle)
{
float a = Util.getAngle(particles[i].pos, particles[i].oldPos);
particles[i].displayAngle = a + displayAngleOffset;
}
//if (particles[i].bounds != null)
//{
if (!particles[i].bounds.Contains(new Point((int)particles[i].pos.X, (int)particles[i].pos.Y)))
{
particles[i].active = false;
particlecount--;
}
//}
}
}
}
public void makeParticles(int num)
{
if (!generation || !active)
{
return; //no more particles to generate
}
if (particlecount >= maxNum)
{
return; // no posibility of making particls
}
int cnt = 0;
Vector2 randy; // for varous random things
for (int i = 0; i < maxNum; i++)
{
//particles[i] = new Particle();
if (!particles[i].active)
{
// make one here
particles[i].tex = tex;
particles[i].active = true;
if (Origin == 0)
{
particles[i].pos.X = sysPos.X; //position
particles[i].pos.Y = sysPos.Y; //position
}
if (Origin == 1)
{
particles[i].pos.X = originRectangle.X + originRectangle.Width * (float)rnd.NextDouble(); //position
particles[i].pos.Y = originRectangle.Y + originRectangle.Height * (float)rnd.NextDouble(); //position
}
if (Origin == 2)
{
WayPoint wp = originWayList.getWayPoint(originWayList.getCurrentLeg());
originWayList.nextLeg();
particles[i].pos.X = wp.pos.X; //position
particles[i].pos.Y = wp.pos.Y; //position
}
if (Origin == 3)
{
int q = rnd.Next(originWayList.lst.Count());
WayPoint wp = originWayList.getWayPoint(q);
particles[i].pos.X = wp.pos.X; //position
particles[i].pos.Y = wp.pos.Y; //position
}
particles[i].vel = initialVelosity; //velocity
// add random bit
randy = (new Vector2((float)rnd.NextDouble(), (float)rnd.NextDouble()) * initialVelosityRandom - (initialVelosityRandom / 2));
particles[i].vel = particles[i].vel + randy;
particles[i].delta = delta + (randomDelta * new Vector2((float)rnd.NextDouble(), (float)rnd.NextDouble()) - randomDelta / 2);
if (initalAngleHigh != 0)
{
//set a radial velocity
float angle = rnd.Next((int)initalAngleLow, (int)initalAngleHigh);
float velocity = rnd.Next((int)(initalVelocityLow * 100), (int)(initalVelocityHigh * 100)) / 100.0f;
Vector2 v = Util.moveByAngleDist(new Vector2(0, 0), Util.degToRad(angle), velocity);
particles[i].vel = v;
}
particles[i].startSize = startSize;
particles[i].endSize = endSize;
particles[i].startColor = startColor;
particles[i].endColor = endColor;
particles[i].bounds = bounds; // my bounds
particles[i].AgeInTicks = 0;
particles[i].maxAgeInTicks = ticksParticleDuration;
particles[i].destRectangle.X = (int)particles[i].pos.X;
particles[i].destRectangle.Y = (int)particles[i].pos.Y;
particles[i].destRectangle.Width = (int)particles[i].startSize.X;
particles[i].destRectangle.Height = (int)particles[i].startSize.Y;
if (moveTowards == 1)
{
// 0= nix 1= towards moveTowardsPos
particles[i].vel = ((moveTowardsPos - particles[i].pos) / (float)ticksParticleDuration) + randy;
particles[i].delta = new Vector2(0, 0); // usually you want this
}
if (moveTowards == 2)
{
// 0= nix 1= towards moveTowardsPos
Vector2 v = (particles[i].pos - moveTowardsPos);
v.Normalize();
particles[i].vel = (v * moveToDrift) + randy;
particles[i].delta = new Vector2(0, 0); // usually you want this
}
cnt++;
particlecount++;
totalNumberMade++;
if (totalNumberMade >= totalNumberToMake)
{
return;
}
if (cnt >= num)
{
return; // done them all
}
if (particlecount >= maxNum)
{
return; // no more possible
}
}
}
}