Particle SphereParticleEmitter::newParticle(int anim, int time)
{
Particle p;
float l = sys->areal.getValue(anim, time);
float w = sys->areaw.getValue(anim, time);
float spd = sys->speed.getValue(anim, time);
float var = sys->variation.getValue(anim, time);
float t = randfloat(0,2*PI);
// TODO: fix shpere emitters to work properly
//Vec3D bdir(l*cosf(t), 0, w*sinf(t));
Vec3D bdir(0, l*cosf(t), w*sinf(t));
/*
float theta_range = sys->spread.getValue(anim, time);
float theta = -0.5f* theta_range + randfloat(0, theta_range);
Vec3D bdir(0, l*cosf(theta), w*sinf(theta));
float phi_range = sys->lat.getValue(anim, time);
float phi = randfloat(0, phi_range);
rotate(0,0, &bdir.z, &bdir.x, phi);
*/
p.pos = sys->pos + bdir;
p.pos = sys->parent->mat * p.pos;
if (bdir.lengthSquared()==0) p.speed = Vec3D(0,0,0);
else {
Vec3D dir = sys->parent->mrot * (bdir.normalize());
p.speed = dir.normalize() * spd * (1.0f+randfloat(-var,var)); // ?
}
p.down = sys->parent->mrot * Vec3D(0,-1.0f,0);
p.life = 0;
p.maxlife = sys->lifespan.getValue(anim, time);
p.origin = p.pos;
p.tile = randint(0, sys->rows*sys->cols-1);
return p;
}
void
FileSelector::MessageReceived(BMessage * msg)
{
switch (msg->what) {
case START_MSG:
{
BMessenger messenger(this);
fSavePanel = new BFilePanel(B_SAVE_PANEL,
&messenger, NULL, 0, false);
fSavePanel->Window()->SetWorkspaces(B_CURRENT_WORKSPACE);
fSavePanel->Show();
break;
}
case B_SAVE_REQUESTED:
{
entry_ref dir;
if (msg->FindRef("directory", &dir) == B_OK) {
const char* name;
BDirectory bdir(&dir);
if (msg->FindString("name", &name) == B_OK) {
if (name != NULL)
fResult = fEntry.SetTo(&bdir, name);
};
};
release_sem(fExitSem);
break;
};
case B_CANCEL:
release_sem(fExitSem);
break;
default:
inherited::MessageReceived(msg);
break;
};
}
Particle SphereParticleEmitter::newParticle(int anim, int time, float w, float l, float spd, float var, float spr, float spr2)
{
Particle p;
Vec3D dir;
float radius;
radius = misc::randfloat(0, 1);
// Old method
//float t = misc::randfloat(0,2*PI);
// New
// Spread should never be zero for sphere particles ?
float t = 0;
if (spr == 0)
t = misc::randfloat((float)-PI, (float)PI);
else
t = misc::randfloat(-spr, spr);
//Spread Calculation
Matrix mrot;
CalcSpreadMatrix(spr * 2, spr2 * 2, w, l);
mrot = sys->parent->mrot*SpreadMat;
// New
// Length should never technically be zero ?
//if (l==0)
// l = w;
// New method
// Vec3D bdir(w*cosf(t), 0.0f, l*sinf(t));
// --
//! \todo fix shpere emitters to work properly
/* // Old Method
//Vec3D bdir(l*cosf(t), 0, w*sinf(t));
//Vec3D bdir(0, w*cosf(t), l*sinf(t));
float theta_range = sys->spread.getValue(anim, time);
float theta = -0.5f* theta_range + misc::randfloat(0, theta_range);
Vec3D bdir(0, l*cosf(theta), w*sinf(theta));
float phi_range = sys->lat.getValue(anim, time);
float phi = misc::randfloat(0, phi_range);
rotate(0,0, &bdir.z, &bdir.x, phi);
*/
if (sys->flags == 57 || sys->flags == 313) { // Faith Halo
Vec3D bdir(w*cosf(t)*1.6f, 0.0f, l*sinf(t)*1.6f);
p.pos = sys->pos + bdir;
p.pos = sys->parent->mat * p.pos;
if (bdir.lengthSquared() == 0)
p.speed = Vec3D(0, 0, 0);
else {
dir = sys->parent->mrot * (bdir.normalize());//mrot * Vec3D(0, 1.0f,0);
p.speed = dir.normalize() * spd * (1.0f + misc::randfloat(-var, var)); // ?
}
}
else {
Vec3D bdir;
float temp;
bdir = mrot * Vec3D(0, 1, 0) * radius;
temp = bdir.z;
bdir.z = bdir.y;
bdir.y = temp;
p.pos = sys->parent->mat * sys->pos + bdir;
//p.pos = sys->pos + bdir;
//p.pos = sys->parent->mat * p.pos;
if (!bdir.lengthSquared() && !(sys->flags & 0x100))
{
p.speed = Vec3D(0, 0, 0);
dir = sys->parent->mrot * Vec3D(0, 1, 0);
}
else
{
if (sys->flags & 0x100)
dir = sys->parent->mrot * Vec3D(0, 1, 0);
else
dir = bdir.normalize();
p.speed = dir.normalize() * spd * (1.0f + misc::randfloat(-var, var)); // ?
}
}
p.dir = dir.normalize();//mrot * Vec3D(0, 1.0f,0);
p.down = Vec3D(0, -1.0f, 0);
p.life = 0;
p.maxlife = sys->lifespan.getValue(anim, time);
p.origin = p.pos;
p.tile = misc::randint(0, sys->rows*sys->cols - 1);
return p;
}
