public void update(float timeElapsed)
{
_delayRemaining -= timeElapsed;
_position += _velocity * timeElapsed;
if (isDone)
{
_em.showExplosion(_explParams, _intensity, _position, _velocity);
}
}
public void update(float timeElapsed)
{
_position += _velocity * timeElapsed;
_timeElapsedTotal += timeElapsed;
for (int i = 0; i < _delaysRemaining.Length; ++i)
{
if (_explosionsRemaining > 0 && _delaysRemaining [i] <= 0f)
{
float intensity = _chainParams.minIntensity
+ (float)rand.NextDouble() * (_chainParams.maxIntensity - _chainParams.minIntensity);
double r = _chainParams.radiusMin
+ rand.NextDouble() * (_chainParams.radiusMax - _chainParams.radiusMin);
double theta = 2.0 * Math.PI * rand.NextDouble();
double phi = Math.PI * (rand.NextDouble() - 0.5);
double xy = r * Math.Cos(theta);
Vector3 radialOffset = new Vector3(
(float)(xy * Math.Cos(theta)),
(float)(xy * Math.Sin(theta)),
(float)(r * Math.Sin(phi)));
Vector3 pos = _position + radialOffset;
double spreadVelScale = _chainParams.spreadVelocityMin
+ rand.NextDouble() * (_chainParams.spreadVelocityMax - _chainParams.spreadVelocityMin);
Vector3 vel = _velocity;
if (radialOffset.LengthFast > 0f)
{
var radialDir = radialOffset.Normalized();
var radialVelOffset = (float)spreadVelScale * radialDir;
pos += radialVelOffset * _timeElapsedTotal;
vel += radialVelOffset;
}
_em.showExplosion(_chainParams, intensity, pos, vel);
_delaysRemaining [i] = _chainParams.minDelay
+ (float)rand.NextDouble() * (_chainParams.maxDelay - _chainParams.minDelay);
--_explosionsRemaining;
}
_delaysRemaining [i] -= timeElapsed;
}
}