X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_particle%2Fplant.cpp;fp=synfig-core%2Ftags%2Fsynfig_0_61_03%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_particle%2Fplant.cpp;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=2ae6e7b74df01aa8f6a65362f2f7081a8076b255;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_particle/plant.cpp b/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_particle/plant.cpp deleted file mode 100644 index 2ae6e7b..0000000 --- a/synfig-core/tags/synfig_0_61_03/synfig-core/src/modules/mod_particle/plant.cpp +++ /dev/null @@ -1,530 +0,0 @@ -/* === S Y N F I G ========================================================= */ -/*! \file bline.cpp -** \brief Template -** -** $Id: plant.cpp,v 1.2 2005/01/13 06:48:39 darco Exp $ -** -** \legal -** Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley -** -** This package is free software; you can redistribute it and/or -** modify it under the terms of the GNU General Public License as -** published by the Free Software Foundation; either version 2 of -** the License, or (at your option) any later version. -** -** This package is distributed in the hope that it will be useful, -** but WITHOUT ANY WARRANTY; without even the implied warranty of -** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -** General Public License for more details. -** \endlegal -*/ -/* ========================================================================= */ - -/* === H E A D E R S ======================================================= */ - -#ifdef USING_PCH -# include "pch.h" -#else -#ifdef HAVE_CONFIG_H -# include -#endif - -#include -#include "plant.h" -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include - -#include - -#endif - -using namespace etl; - -/* === M A C R O S ========================================================= */ - -#define SAMPLES 300 -#define ROUND_END_FACTOR (4) -#define CUSP_THRESHOLD (0.15) -#define NO_LOOP_COOKIE synfig::Vector(84951305,7836658) -#define EPSILON (0.000000001) -#define CUSP_TANGENT_ADJUST (0.025) - -/* === G L O B A L S ======================================================= */ - -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_VERSION(Plant,"0.1"); -SYNFIG_LAYER_SET_CVS_ID(Plant,"$Id: plant.cpp,v 1.2 2005/01/13 06:48:39 darco Exp $"); - -/* === P R O C E D U R E S ================================================= */ - -/* === M E T H O D S ======================================================= */ - - -Plant::Plant(): - split_angle(Angle::deg(10)), - gravity(0,-0.1), - velocity(0.3), - step(0.01), - sprouts(10) -{ - bounding_rect=Rect::zero(); - random_factor=0.2; - random.set_seed(time(NULL)); - - 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[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_loop=true; - mass=(0.5); - splits=5; - drag=0.1; - size=0.015; - sync(); - size_as_alpha=false; -} - -void -Plant::branch(int n,int depth,float t, float stunt_growth, synfig::Point position,synfig::Vector vel)const -{ - float next_split((1.0-t)/(splits-depth)+t/*+random_factor*random(40+depth,t*splits,0,0)/splits*/); - for(;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); -} - -void -Plant::calc_bounding_rect()const -{ - std::vector::const_iterator iter,next; - - bounding_rect=Rect::zero(); - - // Bline must have at least 2 points in it - if(bline.size()<=2) - return; - - next=bline.begin(); - - if(bline_loop) - iter=--bline.end(); - else - iter=next++; - - for(;next!=bline.end();iter=next++) - { - bounding_rect.expand(iter->get_vertex()); - bounding_rect.expand(next->get_vertex()); - bounding_rect.expand(iter->get_vertex()+iter->get_tangent2()*0.3333333333333); - bounding_rect.expand(next->get_vertex()-next->get_tangent1()*0.3333333333333); - bounding_rect.expand(next->get_vertex()+next->get_tangent2()*velocity); - } - bounding_rect.expand_x(gravity[0]); - bounding_rect.expand_y(gravity[1]); - bounding_rect.expand_x(size); - bounding_rect.expand_y(size); -} - -void -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::const_iterator iter,next; - - etl::hermite 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.t1()=iter->get_tangent2(); - curve.p2()=next->get_vertex(); - curve.t2()=next->get_tangent1(); - curve.sync(); - etl::derivative > 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, - 0, - 0, // time - stunt_growth, // stunt growth - point,branch_velocity - ); - } - } - - needs_sync_=false; -} - -bool -Plant::set_param(const String & param, const ValueBase &value) -{ - if(param=="bline" && value.get_type()==ValueBase::TYPE_LIST) - { - bline=value; - bline_loop=value.get_loop(); - needs_sync_=true; - - return true; - } - if(param=="seed" && value.same_as(int())) - { - random.set_seed(value.get(int())); - needs_sync_=true; - return true; - } - IMPORT_PLUS(split_angle,needs_sync_=true); - IMPORT_PLUS(gravity,needs_sync_=true); - IMPORT_PLUS(gradient,needs_sync_=true); - IMPORT_PLUS(velocity,needs_sync_=true); - IMPORT_PLUS(step,needs_sync_=true); - IMPORT_PLUS(splits,needs_sync_=true); - IMPORT_PLUS(sprouts,needs_sync_=true); - IMPORT_PLUS(random_factor,needs_sync_=true); - IMPORT_PLUS(drag,needs_sync_=true); - IMPORT(size); - IMPORT(size_as_alpha); - - return Layer_Composite::set_param(param,value); -} -/* -void -Plant::set_time(Context context, Time time)const -{ - if(needs_sync==true) - { - sync(); - needs_sync_=false; - } - //const_cast(this)->sync(); - context.set_time(time); -} - -void -Plant::set_time(Context context, Time time, Vector pos)const -{ - if(needs_sync==true) - { - sync(); - needs_sync_=false; - } - //const_cast(this)->sync(); - context.set_time(time,pos); -} -*/ -ValueBase -Plant::get_param(const String& param)const -{ - if(param=="seed") - return random.get_seed(); - EXPORT(bline); - EXPORT(split_angle); - EXPORT(gravity); - EXPORT(velocity); - EXPORT(step); - EXPORT(gradient); - EXPORT(splits); - EXPORT(sprouts); - EXPORT(random_factor); - EXPORT(drag); - EXPORT(size); - - EXPORT(size_as_alpha); - - EXPORT_NAME(); - EXPORT_VERSION(); - - return Layer_Composite::get_param(param); -} - -Layer::Vocab -Plant::get_param_vocab()const -{ - Layer::Vocab ret(Layer_Composite::get_param_vocab()); - - ret.push_back(ParamDesc("bline") - .set_local_name(_("Vertices")) - //.set_origin("offset") - //.set_scalar("width") - .set_description(_("A list of BLine Points")) - ); - - ret.push_back(ParamDesc("gradient") - .set_local_name(_("Gradient")) - ); - - ret.push_back(ParamDesc("split_angle") - .set_local_name(_("Split Angle")) - ); - - ret.push_back(ParamDesc("gravity") - .set_local_name(_("Gravity")) - .set_is_distance() - ); - - ret.push_back(ParamDesc("velocity") - .set_local_name(_("Velocity")) - ); - - ret.push_back(ParamDesc("size") - .set_local_name(_("Stem Size")) - .set_is_distance() - ); - - ret.push_back(ParamDesc("size_as_alpha") - .set_local_name(_("SizeAsAlpha")) - ); - - ret.push_back(ParamDesc("step") - .set_local_name(_("Step")) - ); - - ret.push_back(ParamDesc("seed") - .set_local_name(_("Seed")) - ); - - ret.push_back(ParamDesc("splits") - .set_local_name(_("Splits")) - ); - - ret.push_back(ParamDesc("sprouts") - .set_local_name(_("Sprouts")) - ); - - ret.push_back(ParamDesc("random_factor") - .set_local_name(_("Random Factor")) - ); - - ret.push_back(ParamDesc("drag") - .set_local_name(_("Drag")) - ); - - - return ret; -} - -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()); - - const int w(renddesc.get_w()); - const int h(renddesc.get_h()); - - // Width and Height of a pixel - const Real pw = (br[0] - tl[0]) / w; - const Real ph = (br[1] - tl[1]) / h; - - if(needs_sync_==true) - sync(); - - std::vector::reverse_iterator iter; - const float size_factor(1); - float radius(size_factor*size*sqrt(1.0f/(abs(pw)*abs(ph)))); - - if(radius>1.0f) - { - radius*=1.0; - int x1,y1,x2,y2; - for(iter=particle_list.rbegin();iter!=particle_list.rend();++iter) - { - float radius(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; - - if(x2<0 || y2<0) - continue; - - if(x2>=surface->get_w()) - 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); - } - } - else - { - //radius/=0.01; - radius*=sqrt(step)*12.0f; - int x,y; - float a,b,c,d; - for(iter=particle_list.rbegin();iter!=particle_list.rend();++iter) - { - float radius(radius); - Color color(iter->color); - if(size_as_alpha) - { - radius*=color.get_a(); - color.set_a(1); - } - - 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.set_alpha(a*d); - surface_pen.put_value(color); - surface_pen.inc_y(); - surface_pen.set_alpha(a*b); - surface_pen.put_value(color); - surface_pen.dec_x(); - surface_pen.set_alpha(c*b); - 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; -} - -Rect -Plant::get_bounding_rect(Context context)const -{ - 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; - - //if(get_blend_method()==Color::BLEND_BEHIND) - // return context.get_full_bounding_rect() | bounding_rect; - return bounding_rect; -}