/* === S Y N F I G ========================================================= */
-/*! \file bline.cpp
+/*! \file plant.cpp
** \brief Template
**
-** $Id: plant.cpp,v 1.2 2005/01/13 06:48:39 darco Exp $
+** $Id$
**
** \legal
** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
SYNFIG_LAYER_INIT(Plant);
SYNFIG_LAYER_SET_NAME(Plant,"plant");
SYNFIG_LAYER_SET_LOCAL_NAME(Plant,_("Plant"));
-SYNFIG_LAYER_SET_CATEGORY(Plant,_("Particle Systems"));
+SYNFIG_LAYER_SET_CATEGORY(Plant,_("Other"));
SYNFIG_LAYER_SET_VERSION(Plant,"0.1");
-SYNFIG_LAYER_SET_CVS_ID(Plant,"$Id: plant.cpp,v 1.2 2005/01/13 06:48:39 darco Exp $");
+SYNFIG_LAYER_SET_CVS_ID(Plant,"$Id$");
/* === P R O C E D U R E S ================================================= */
bline.push_back(BLinePoint());
bline.push_back(BLinePoint());
bline.push_back(BLinePoint());
- bline[0].set_vertex(Point(0,1));
- bline[1].set_vertex(Point(0,-1));
+ bline[0].set_vertex(Point(0,1));
+ bline[1].set_vertex(Point(0,-1));
bline[2].set_vertex(Point(1,0));
- bline[0].set_tangent(bline[1].get_vertex()-bline[2].get_vertex()*0.5f);
- bline[1].set_tangent(bline[2].get_vertex()-bline[0].get_vertex()*0.5f);
- bline[2].set_tangent(bline[0].get_vertex()-bline[1].get_vertex()*0.5f);
- bline[0].set_width(1.0f);
- bline[1].set_width(1.0f);
- bline[2].set_width(1.0f);
+ bline[0].set_tangent(bline[1].get_vertex()-bline[2].get_vertex()*0.5f);
+ bline[1].set_tangent(bline[2].get_vertex()-bline[0].get_vertex()*0.5f);
+ bline[2].set_tangent(bline[0].get_vertex()-bline[1].get_vertex()*0.5f);
+ bline[0].set_width(1.0f);
+ bline[1].set_width(1.0f);
+ bline[2].set_width(1.0f);
bline_loop=true;
mass=(0.5);
splits=5;
));
bounding_rect.expand(position);
}
-
+
if(t>=1.0-stunt_growth)return;
synfig::Real sin_v=synfig::Angle::cos(split_angle).get();
synfig::Real cos_v=synfig::Angle::sin(split_angle).get();
-
+
synfig::Vector velocity1(vel[0]*sin_v-vel[1]*cos_v+random_factor*random(2,30+n+depth,t*splits,0.0f,0.0f),vel[0]*cos_v+vel[1]*sin_v+random_factor*random(2,32+n+depth,t*splits,0.0f,0.0f));
synfig::Vector velocity2(vel[0]*sin_v+vel[1]*cos_v+random_factor*random(2,31+n+depth,t*splits,0.0f,0.0f),-vel[0]*cos_v+vel[1]*sin_v+random_factor*random(2,33+n+depth,t*splits,0.0f,0.0f));
-
+
Plant::branch(n,depth+1,t,stunt_growth,position,velocity1);
Plant::branch(n,depth+1,t,stunt_growth,position,velocity2);
}
iter=--bline.end();
else
iter=next++;
-
+
for(;next!=bline.end();iter=next++)
{
bounding_rect.expand(iter->get_vertex());
Plant::sync()const
{
particle_list.clear();
-
+
bounding_rect=Rect::zero();
// Bline must have at least 2 points in it
if(bline.size()<=2)
return;
-
+
std::vector<synfig::BLinePoint>::const_iterator iter,next;
etl::hermite<Vector> curve;
-
+
Real step(abs(this->step));
-
+
int seg(0);
next=bline.begin();
-
+
if(bline_loop)
iter=--bline.end();
else
iter=next++;
-
+
for(;next!=bline.end();iter=next++,seg++)
{
curve.p1()=iter->get_vertex();
curve.t2()=next->get_tangent1();
curve.sync();
etl::derivative<etl::hermite<Vector> > deriv(curve);
-
+
Real f;
int i(0), b(round_to_int((1.0/step)/(float)sprouts-1));
if(b<=0)b=1;
for(f=0.0;f<1.0;f+=step,i++)
{
Point point(curve(f));
-
+
particle_list.push_back(Particle(
point,
gradient(0)
));
-
+
bounding_rect.expand(point);
-
+
Real stunt_growth(random(2,i,f+seg,0.0f,0.0f)/2.0+0.5);
stunt_growth*=stunt_growth;
-
+
Vector branch_velocity(deriv(f).norm()*velocity);
-
+
branch_velocity[0]+=random_factor*random(2,1,f*splits,0.0f,0.0f);
branch_velocity[1]+=random_factor*random(2,2,f*splits,0.0f,0.0f);
-
+
if(i%b==0)
branch(
i,
);
}
}
-
+
needs_sync_=false;
}
bline=value;
bline_loop=value.get_loop();
needs_sync_=true;
-
+
return true;
}
- if(param=="seed" && value.same_as(int()))
+ if(param=="seed" && value.same_type_as(int()))
{
random.set_seed(value.get(int()));
needs_sync_=true;
IMPORT_PLUS(drag,needs_sync_=true);
IMPORT(size);
IMPORT(size_as_alpha);
-
+
return Layer_Composite::set_param(param,value);
}
/*
EXPORT(size);
EXPORT(size_as_alpha);
-
+
EXPORT_NAME();
EXPORT_VERSION();
);
ret.push_back(ParamDesc("size_as_alpha")
- .set_local_name(_("SizeAsAlpha"))
+ .set_local_name(_("Size As Alpha"))
);
ret.push_back(ParamDesc("step")
bool
Plant::accelerated_render(Context context,Surface *surface,int quality, const RendDesc &renddesc, ProgressCallback *cb)const
-{
+{
bool ret(context.accelerated_render(surface,quality,renddesc,cb));
if(is_disabled() || !ret)
return ret;
-
+
Surface dest_surface;
dest_surface.set_wh(surface->get_w(),surface->get_h());
dest_surface.clear();
-
+
const Point tl(renddesc.get_tl());
const Point br(renddesc.get_br());
std::vector<Particle>::reverse_iterator iter;
const float size_factor(1);
- float radius(size_factor*size*sqrt(1.0f/(abs(pw)*abs(ph))));
+ float radius(size_factor*size*sqrt(1.0f/(abs(pw)*abs(ph)))), temp_radius;
if(radius>1.0f)
{
int x1,y1,x2,y2;
for(iter=particle_list.rbegin();iter!=particle_list.rend();++iter)
{
- float radius(radius);
+ temp_radius = radius;
+ float radius(temp_radius);
Color color(iter->color);
if(size_as_alpha)
{
radius*=color.get_a();
color.set_a(1);
}
-
+
x1=ceil_to_int((iter->point[0]-tl[0])/pw-(radius*0.5));
y1=ceil_to_int((iter->point[1]-tl[1])/ph-(radius*0.5));
x2=x1+round_to_int(radius);
y2=y1+round_to_int(radius);
-
+
if(x1>=surface->get_w() || y1>=surface->get_h())
continue;
x2=surface->get_w();
if(y2>=surface->get_h())
y2=surface->get_h();
-
+
if(x1<0)
x1=0;
if(y1<0)
y1=0;
-
+
int w(min(round_to_int(radius),x2-x1));
int h(min(round_to_int(radius),y2-y1));
-
+
if(w<=0 || h<=0)
continue;
-
+
Surface::alpha_pen surface_pen(dest_surface.get_pen(x1,y1),1.0f);
-
+
dest_surface.fill(color,surface_pen,w,h);
}
}
float a,b,c,d;
for(iter=particle_list.rbegin();iter!=particle_list.rend();++iter)
{
- float radius(radius);
+ temp_radius = radius;
+ float radius(temp_radius);
Color color(iter->color);
if(size_as_alpha)
{
x=floor_to_int((iter->point[0]-tl[0])/pw-0.5f);
y=floor_to_int((iter->point[1]-tl[1])/ph-0.5f);
-
+
if(x>=surface->get_w()-1 || y>=surface->get_h()-1 || x<0 || y<0)
{
continue;
}
-
+
a=((iter->point[0]-tl[0])/pw-0.5f-x)*radius;
b=((iter->point[1]-tl[1])/ph-0.5f-y)*radius;
c=radius-a;
d=radius-b;
-
+
Surface::alpha_pen surface_pen(dest_surface.get_pen(x,y),1.0f);
-
+
surface_pen.set_alpha(c*d);
surface_pen.put_value(color);
surface_pen.inc_x();
surface_pen.put_value(color);
surface_pen.dec_x();
surface_pen.set_alpha(c*b);
- surface_pen.put_value(color);
+ surface_pen.put_value(color);
}
}
-
+
Surface::alpha_pen pen(surface->get_pen(0,0),get_amount(),get_blend_method());
dest_surface.blit_to(pen);
-
+
return true;
}
{
if(needs_sync_==true)
sync();
-
+
if(is_disabled())
return Rect::zero();
-
+
if(Color::is_onto(get_blend_method()))
return context.get_full_bounding_rect() & bounding_rect;