protected override void emitParticles(int particleCount, ReceiverHandler particleReceiver)
{
SSParticle newParticle = new SSParticle();
BodiesFieldGenerator.NewBodyDelegate bodyReceiver = (id, scale, pos, orient) => {
configureNewParticle(newParticle);
newParticle.pos = pos;
newParticle.masterScale *= scale;
newParticle.orientation += OpenTKHelper.QuaternionToEuler(ref orient);
particleReceiver(newParticle);
return true;
};
_bodiesGenerator.Generate(particleCount, bodyReceiver);
}
protected override void effectParticle(SSParticle particle, float deltaT)
{
Vector3 dir = particle.vel;
// orient to look right
float x = dir.X;
float y = dir.Y;
float z = dir.Z;
float xy = dir.Xy.Length;
float phi = (float)Math.Atan(z / xy);
float theta = (float)Math.Atan2(y, x);
particle.orientation.Y = -phi;
particle.orientation.Z = theta;
particle.orientation.X = -_orientationX;
}
protected void _releaseFlashParticle(SSParticle particle)
{
particle.life = 0.1f;
}
protected void _releaseSmokeParticle(SSParticle particle)
{
particle.effectorMask = 1; // mark to be controlled by the global smoke dimming effector
particle.life = Math.Min(particle.life, 1.5f);
}
protected override void effectParticle(SSParticle particle, float deltaT)
{
Vector3 dir = particle.vel;
// orient to look right
float x = dir.X;
float y = dir.Y;
float z = dir.Z;
float xy = dir.Xy.Length;
float phi = (float)Math.Atan (z / xy);
float theta = (float)Math.Atan2 (y, x);
particle.orientation.Y = phi;
particle.orientation.Z = -theta;
particle.orientation.X = _orientationX;
}
protected override void configureNewParticle(SSParticle p)
{
base.configureNewParticle (p);
p.pos = position;
}
protected override void configureNewParticle(SSParticle p)
{
base.configureNewParticle (p);
float r = Interpolate.Lerp (radiusOffsetMin, radiusOffsetMax, nextFloat());
float theta = Interpolate.Lerp (thetaMin, thetaMax, nextFloat ());
float phi = Interpolate.Lerp (phiMin, phiMax, nextFloat ());
float xy = (float)Math.Cos (phi);
float x = xy * (float)Math.Cos (theta);
float y = xy * (float)Math.Sin (theta);
float z = (float)Math.Sin (phi);
Vector3 xyz = new Vector3 (x, y, z);
p.pos = center + r * xyz;
float velocityMag = Interpolate.Lerp (velocityMagnitudeMin, velocityMagnitudeMax, nextFloat ());
p.vel = velocityMag * xyz;
if (orientAwayFromCenter) {
p.orientation.Z = -theta;
p.orientation.Y = phi;
}
}
protected override void emitParticles(int particleCount, ReceiverHandler particleReceiver)
{
SSParticle newParticle = new SSParticle();
ParticlesFieldGenerator.NewParticleDelegate fieldReceiver = (id, pos) => {
configureNewParticle(newParticle);
newParticle.pos = pos;
particleReceiver(newParticle);
return true;
};
m_fieldGenerator.Generate(particleCount, fieldReceiver);
}
/// <summary>
/// Override by the derived classes to describe how new particles are emitted
/// </summary>
/// <param name="particleCount">Particle count.</param>
/// <param name="receiver">Receiver.</param>
protected virtual void emitParticles(int particleCount, ReceiverHandler receiver)
{
SSParticle newParticle = new SSParticle();
for (int i = 0; i < particleCount; ++i) {
configureNewParticle (newParticle);
receiver (newParticle);
}
}
/// <summary>
/// To be used by derived classes for shared particle setup
/// </summary>
/// <param name="p">particle to setup</param>
protected virtual void configureNewParticle(SSParticle p)
{
p.life = Interpolate.Lerp(lifeMin, lifeMax, nextFloat());
p.componentScale.X = Interpolate.Lerp(componentScaleMin.X, componentScaleMax.X, nextFloat());
p.componentScale.Y = Interpolate.Lerp(componentScaleMin.Y, componentScaleMax.Y, nextFloat());
p.componentScale.Z = Interpolate.Lerp(componentScaleMin.Z, componentScaleMax.Z, nextFloat());
if (billboardXY) {
p.billboardXY = true;
} else {
p.orientation.X = Interpolate.Lerp (_orientationMin.X, _orientationMax.X, nextFloat ());
p.orientation.Y = Interpolate.Lerp (_orientationMin.Y, _orientationMax.Y, nextFloat ());
}
p.orientation.Z = Interpolate.Lerp(_orientationMin.Z, _orientationMax.Z, nextFloat());
p.angularVelocity.X = Interpolate.Lerp(angularVelocityMin.X, angularVelocityMax.X, nextFloat());
p.angularVelocity.Y = Interpolate.Lerp(angularVelocityMin.Y, angularVelocityMax.Y, nextFloat());
p.angularVelocity.Z = Interpolate.Lerp(angularVelocityMin.Z, angularVelocityMax.Z, nextFloat());
p.vel.X = Interpolate.Lerp(velocityComponentMin.X, velocityComponentMax.X, nextFloat());
p.vel.Y = Interpolate.Lerp(velocityComponentMin.Y, velocityComponentMax.Y, nextFloat());
p.vel.Z = Interpolate.Lerp(velocityComponentMin.Z, velocityComponentMax.Z, nextFloat());
p.masterScale = Interpolate.Lerp(masterScaleMin, masterScaleMax, nextFloat());
p.mass = Interpolate.Lerp (massMin, massMax, nextFloat ());
p.rotationalInnertia = Interpolate.Lerp (rotationalInnertiaMin, rotationalInnertiaMax, nextFloat ());
p.drag = Interpolate.Lerp (dragMin, dragMax, nextFloat ());
p.rotationalDrag = Interpolate.Lerp (rotationalDragMin, rotationalDragMax, nextFloat ());
// color presets
Color4 randPreset;
if (colorPresets != null && colorPresets.Length > 0) {
randPreset = colorPresets [_rand.Next (0, colorPresets.Length)];
} else {
randPreset = new Color4(0f, 0f, 0f, 0f);
}
// color offsets
Color4 randOffset;
randOffset.R = Interpolate.Lerp(colorOffsetComponentMin.R, colorOffsetComponentMax.R, nextFloat());
randOffset.G = Interpolate.Lerp(colorOffsetComponentMin.G, colorOffsetComponentMax.G, nextFloat());
randOffset.B = Interpolate.Lerp(colorOffsetComponentMin.B, colorOffsetComponentMax.B, nextFloat());
randOffset.A = Interpolate.Lerp(colorOffsetComponentMin.A, colorOffsetComponentMax.A, nextFloat());
// color presets + offsets
p.color = Color4Helper.Add(ref randPreset, ref randOffset);
//p.SpriteIndex = SpriteIndices [s_rand.Next(0, SpriteIndices.Length)];
p.spriteRect = spriteRectangles [_rand.Next(0, spriteRectangles.Length)];
p.effectorMask = effectorMasks [_rand.Next (0, effectorMasks.Length)];
}
protected void _releaseSmokeParticle(SSParticle particle)
{
particle.effectorMask = 1; // mark to be controlled by the global smoke dimming effector
particle.life = Math.Min(particle.life, 1.5f);
}
protected void _releaseFlashParticle(SSParticle particle)
{
particle.life = 0.1f;
}
protected override void configureNewParticle(SSParticle p)
{
base.configureNewParticle (p);
float r = Interpolate.Lerp (radiusOffsetMin, radiusOffsetMax, nextFloat());
float theta = Interpolate.Lerp (thetaMin, thetaMax, nextFloat ());
float phi = Interpolate.Lerp (phiMin, phiMax, nextFloat ());
float xy = (float)Math.Cos (phi);
float x = xy * (float)Math.Cos (theta);
float y = xy * (float)Math.Sin (theta);
float z = (float)Math.Sin (phi);
Vector3 xAxis, yAxis;
OpenTKHelper.TwoPerpAxes(up, out xAxis, out yAxis);
Vector3 xyz = x * xAxis + y * yAxis + z * up;
p.pos = center + r * xyz;
float velocityMag = Interpolate.Lerp (velocityFromCenterMagnitudeMin, velocityFromCenterMagnitudeMax, nextFloat ());
p.vel += velocityMag * xyz;
if (orientAwayFromCenter) {
p.orientation.Z = -theta;
p.orientation.Y = phi;
}
}
