public void UpdateParticle(Particle particle, long delta)
{
particleCount++;
particle.x += adjustx;
particle.y += adjusty;
particle.AdjustVelocity(windFactor.GetValue(0) * 0.00005f * delta,
gravityFactor.GetValue(0) * 0.00005f * delta);
float offset = particle.GetLife() / particle.GetOriginalLife();
float inv = 1 - offset;
float colOffset = 0;
float colInv = 1;
LColor startColor = null;
LColor endColor = null;
for (int i = 0; i < colors.Count - 1; i++)
{
ColorRecord rec1 = (ColorRecord)colors[i];
ColorRecord rec2 = (ColorRecord)colors[i + 1];
if ((inv >= rec1.pos) && (inv <= rec2.pos))
{
startColor = rec1.col;
endColor = rec2.col;
float step = rec2.pos - rec1.pos;
colOffset = inv - rec1.pos;
colOffset /= step;
colOffset = 1 - colOffset;
colInv = 1 - colOffset;
}
}
if (startColor != null)
{
float r = (startColor.r * colOffset) + (endColor.r * colInv);
float g = (startColor.g * colOffset) + (endColor.g * colInv);
float b = (startColor.b * colOffset) + (endColor.b * colInv);
float a;
if (alpha.IsActive())
{
a = alpha.GetValue(inv) / 255.0f;
}
else
{
a = ((startAlpha.GetValue(0) / 255.0f) * offset)
+ ((endAlpha.GetValue(0) / 255.0f) * inv);
}
particle.SetColor(r, g, b, a);
}
if (size.IsActive())
{
float s = size.GetValue(inv);
particle.SetSize(s);
}
else
{
particle.AdjustSize(delta * growthFactor.GetValue(0) * 0.001f);
}
if (velocity.IsActive())
{
particle.SetSpeed(velocity.GetValue(inv));
}
if (scaleY.IsActive())
{
particle.SetScaleY(scaleY.GetValue(inv));
}
}
public void UpdateParticle(Particle particle, long delta)
{
particleCount++;
particle.x += adjustx;
particle.y += adjusty;
particle.AdjustVelocity(windFactor.GetValue(0) * 0.00005f * delta,
gravityFactor.GetValue(0) * 0.00005f * delta);
float offset = particle.GetLife() / particle.GetOriginalLife();
float inv = 1 - offset;
float colOffset = 0;
float colInv = 1;
LColor startColor = null;
LColor endColor = null;
for (int i = 0; i < colors.Count - 1; i++) {
ColorRecord rec1 = (ColorRecord) colors[i];
ColorRecord rec2 = (ColorRecord) colors[i + 1];
if ((inv >= rec1.pos) && (inv <= rec2.pos)) {
startColor = rec1.col;
endColor = rec2.col;
float step = rec2.pos - rec1.pos;
colOffset = inv - rec1.pos;
colOffset /= step;
colOffset = 1 - colOffset;
colInv = 1 - colOffset;
}
}
if (startColor != null) {
float r = (startColor.r * colOffset) + (endColor.r * colInv);
float g = (startColor.g * colOffset) + (endColor.g * colInv);
float b = (startColor.b * colOffset) + (endColor.b * colInv);
float a;
if (alpha.IsActive()) {
a = alpha.GetValue(inv) / 255.0f;
} else {
a = ((startAlpha.GetValue(0) / 255.0f) * offset)
+ ((endAlpha.GetValue(0) / 255.0f) * inv);
}
particle.SetColor(r, g, b, a);
}
if (size.IsActive()) {
float s = size.GetValue(inv);
particle.SetSize(s);
} else {
particle.AdjustSize(delta * growthFactor.GetValue(0) * 0.001f);
}
if (velocity.IsActive()) {
particle.SetSpeed(velocity.GetValue(inv));
}
if (scaleY.IsActive()) {
particle.SetScaleY(scaleY.GetValue(inv));
}
}
