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virtualx-engine/scene/2d/particles_2d.cpp
Rémi Verschelde d8223ffa75 Welcome in 2017, dear changelog reader! 
That year should bring the long-awaited OpenGL ES 3.0 compatible renderer
with state-of-the-art rendering techniques tuned to work as low as middle
end handheld devices - without compromising with the possibilities given
for higher end desktop games of course. Great times ahead for the Godot
community and the gamers that will play our games!

(cherry picked from commit c7bc44d5ad)
2017-01-12 19:15:30 +01:00

1193 lines
33 KiB
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/*************************************************************************/
/* particles_2d.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "particles_2d.h"
void ParticleAttractor2D::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_ENTER_TREE: {
_update_owner();
} break;
case NOTIFICATION_DRAW: {
if (!get_tree()->is_editor_hint())
return;
Vector2 pv;
float dr = MIN(disable_radius,radius);
for(int i=0;i<=32;i++) {
Vector2 v(Math::sin(i/32.0*Math_PI*2),Math::cos(i/32.0*Math_PI*2));
if (i>0) {
draw_line(pv*radius,v*radius,Color(0,0,0.5,0.9));
if (dr>0) {
draw_line(pv*dr,v*dr,Color(0.5,0,0.0,0.9));
}
}
pv=v;
}
} break;
case NOTIFICATION_EXIT_TREE: {
if (owner) {
_set_owner(NULL);
}
} break;
}
}
void ParticleAttractor2D::_owner_exited() {
ERR_FAIL_COND(!owner);
owner->attractors.erase(this);
owner=NULL;
}
void ParticleAttractor2D::_update_owner() {
if (!is_inside_tree() || !has_node(path)) {
_set_owner(NULL);
return;
}
Node *n = get_node(path);
ERR_FAIL_COND(!n);
Particles2D *pn = n->cast_to<Particles2D>();
if (!pn) {
_set_owner(NULL);
return;
}
_set_owner(pn);
}
void ParticleAttractor2D::_set_owner(Particles2D* p_owner) {
if (owner==p_owner)
return;
if (owner) {
owner->disconnect("exit_tree",this,"_owner_exited");
owner->attractors.erase(this);
owner=NULL;
}
owner=p_owner;
if (owner) {
owner->connect("exit_tree",this,"_owner_exited",varray(),CONNECT_ONESHOT);
owner->attractors.insert(this);
}
}
void ParticleAttractor2D::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_enabled","enabled"),&ParticleAttractor2D::set_enabled);
ObjectTypeDB::bind_method(_MD("is_enabled"),&ParticleAttractor2D::is_enabled);
ObjectTypeDB::bind_method(_MD("set_radius","radius"),&ParticleAttractor2D::set_radius);
ObjectTypeDB::bind_method(_MD("get_radius"),&ParticleAttractor2D::get_radius);
ObjectTypeDB::bind_method(_MD("set_disable_radius","radius"),&ParticleAttractor2D::set_disable_radius);
ObjectTypeDB::bind_method(_MD("get_disable_radius"),&ParticleAttractor2D::get_disable_radius);
ObjectTypeDB::bind_method(_MD("set_gravity","gravity"),&ParticleAttractor2D::set_gravity);
ObjectTypeDB::bind_method(_MD("get_gravity"),&ParticleAttractor2D::get_gravity);
ObjectTypeDB::bind_method(_MD("set_absorption","absorption"),&ParticleAttractor2D::set_absorption);
ObjectTypeDB::bind_method(_MD("get_absorption"),&ParticleAttractor2D::get_absorption);
ObjectTypeDB::bind_method(_MD("set_particles_path","path"),&ParticleAttractor2D::set_particles_path);
ObjectTypeDB::bind_method(_MD("get_particles_path"),&ParticleAttractor2D::get_particles_path);
ADD_PROPERTY(PropertyInfo(Variant::BOOL,"enabled"),_SCS("set_enabled"),_SCS("is_enabled"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"radius",PROPERTY_HINT_RANGE,"0.1,16000,0.1"),_SCS("set_radius"),_SCS("get_radius"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"disable_radius",PROPERTY_HINT_RANGE,"0.1,16000,0.1"),_SCS("set_disable_radius"),_SCS("get_disable_radius"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"gravity",PROPERTY_HINT_RANGE,"-512,512,0.01"),_SCS("set_gravity"),_SCS("get_gravity"));
ADD_PROPERTY(PropertyInfo(Variant::REAL,"absorption",PROPERTY_HINT_RANGE,"0,512,0.01"),_SCS("set_absorption"),_SCS("get_absorption"));
ADD_PROPERTY(PropertyInfo(Variant::NODE_PATH,"particles_path",PROPERTY_HINT_RESOURCE_TYPE,"Particles2D"),_SCS("set_particles_path"),_SCS("get_particles_path"));
}
void ParticleAttractor2D::set_enabled(bool p_enabled) {
enabled=p_enabled;
}
bool ParticleAttractor2D::is_enabled() const{
return enabled;
}
void ParticleAttractor2D::set_radius(float p_radius) {
radius = p_radius;
update();
}
float ParticleAttractor2D::get_radius() const {
return radius;
}
void ParticleAttractor2D::set_disable_radius(float p_disable_radius) {
disable_radius = p_disable_radius;
update();
}
float ParticleAttractor2D::get_disable_radius() const {
return disable_radius;
}
void ParticleAttractor2D::set_gravity(float p_gravity) {
gravity=p_gravity;
}
float ParticleAttractor2D::get_gravity() const {
return gravity;
}
void ParticleAttractor2D::set_absorption(float p_absorption) {
absorption=p_absorption;
}
float ParticleAttractor2D::get_absorption() const {
return absorption;
}
void ParticleAttractor2D::set_particles_path(NodePath p_path) {
path=p_path;
_update_owner();
update_configuration_warning();
}
NodePath ParticleAttractor2D::get_particles_path() const {
return path;
}
String ParticleAttractor2D::get_configuration_warning() const {
if (!has_node(path) || !get_node(path) || !get_node(path)->cast_to<Particles2D>()) {
return TTR("Path property must point to a valid Particles2D node to work.");
}
return String();
}
ParticleAttractor2D::ParticleAttractor2D() {
owner=NULL;
radius=50;
disable_radius=0;
gravity=100;
absorption=0;
path=String("..");
enabled=true;
}
/****************************************/
_FORCE_INLINE_ static float _rand_from_seed(uint32_t *seed) {
uint32_t k;
uint32_t s = (*seed);
if (s == 0)
s = 0x12345987;
k = s / 127773;
s = 16807 * (s - k * 127773) - 2836 * k;
if (s < 0)
s += 2147483647;
(*seed) = s;
float v=((float)((*seed) & 0xFFFFF))/(float)0xFFFFF;
v=v*2.0-1.0;
return v;
}
void Particles2D::_process_particles(float p_delta) {
if (particles.size()==0 || lifetime==0)
return;
p_delta*=time_scale;
float frame_time=p_delta;
if (emit_timeout > 0) {
time_to_live -= frame_time;
if (time_to_live < 0) {
emitting = false;
_change_notify("config/emitting");
};
};
float next_time = time+frame_time;
if (next_time > lifetime)
next_time=Math::fmod(next_time,lifetime);
Particle *pdata=&particles[0];
int particle_count=particles.size();
Matrix32 xform;
if (!local_space)
xform=get_global_transform();
active_count=0;
DVector<Point2>::Read r;
int emission_point_count=0;
if (emission_points.size()) {
emission_point_count=emission_points.size();
r=emission_points.read();
}
int attractor_count=0;
AttractorCache *attractor_ptr=NULL;
if (attractors.size()) {
if (attractors.size()!=attractor_cache.size()) {
attractor_cache.resize(attractors.size());
}
int idx=0;
Matrix32 m;
if (local_space) {
m= get_global_transform().affine_inverse();
}
for (Set<ParticleAttractor2D*>::Element *E=attractors.front();E;E=E->next()) {
attractor_cache[idx].pos=m.xform( E->get()->get_global_pos() );
attractor_cache[idx].attractor=E->get();
idx++;
}
attractor_ptr=attractor_cache.ptr();
attractor_count=attractor_cache.size();
}
for(int i=0;i<particle_count;i++) {
Particle &p=pdata[i];
float restart_time = (i * lifetime / particle_count) * explosiveness;
bool restart=false;
if ( next_time < time ) {
if (restart_time > time || restart_time < next_time )
restart=true;
} else if (restart_time > time && restart_time < next_time ) {
restart=true;
}
if (restart) {
if (emitting) {
p.pos=emissor_offset;
if (emission_point_count) {
Vector2 ep = r[Math::rand()%emission_point_count];
if (!local_space) {
p.pos=xform.xform(p.pos+ep*extents);
} else {
p.pos+=ep*extents;
}
} else {
if (!local_space) {
p.pos=xform.xform(p.pos+Vector2(Math::random(-extents.x,extents.x),Math::random(-extents.y,extents.y)));
} else {
p.pos+=Vector2(Math::random(-extents.x,extents.x),Math::random(-extents.y,extents.y));
}
}
p.seed=Math::rand() % 12345678;
uint32_t rand_seed=p.seed*(i+1);
float angle = Math::deg2rad(param[PARAM_DIRECTION]+_rand_from_seed(&rand_seed)*param[PARAM_SPREAD]);
p.velocity=Vector2( Math::sin(angle), Math::cos(angle) );
if (!local_space) {
p.velocity = xform.basis_xform(p.velocity).normalized();
}
p.velocity*=param[PARAM_LINEAR_VELOCITY]+param[PARAM_LINEAR_VELOCITY]*_rand_from_seed(&rand_seed)*randomness[PARAM_LINEAR_VELOCITY];
p.velocity+=initial_velocity;
p.active=true;
p.rot=Math::deg2rad(param[PARAM_INITIAL_ANGLE]+param[PARAM_INITIAL_ANGLE]*randomness[PARAM_INITIAL_ANGLE]*_rand_from_seed(&rand_seed));
active_count++;
p.frame=Math::fmod(param[PARAM_ANIM_INITIAL_POS]+randomness[PARAM_ANIM_INITIAL_POS]*_rand_from_seed(&rand_seed),1.0);
} else {
p.active=false;
}
} else {
if (!p.active)
continue;
uint32_t rand_seed=p.seed*(i+1);
Vector2 force;
//apply gravity
float gravity_dir = Math::deg2rad( param[PARAM_GRAVITY_DIRECTION]+180*randomness[PARAM_GRAVITY_DIRECTION]*_rand_from_seed(&rand_seed));
force+=Vector2( Math::sin(gravity_dir), Math::cos(gravity_dir) ) * (param[PARAM_GRAVITY_STRENGTH]+param[PARAM_GRAVITY_STRENGTH]*randomness[PARAM_GRAVITY_STRENGTH]*_rand_from_seed(&rand_seed));
//apply radial
Vector2 rvec = (p.pos - emissor_offset).normalized();
force+=rvec*(param[PARAM_RADIAL_ACCEL]+param[PARAM_RADIAL_ACCEL]*randomness[PARAM_RADIAL_ACCEL]*_rand_from_seed(&rand_seed));
//apply orbit
float orbitvel = (param[PARAM_ORBIT_VELOCITY]+param[PARAM_ORBIT_VELOCITY]*randomness[PARAM_ORBIT_VELOCITY]*_rand_from_seed(&rand_seed));
if (orbitvel!=0) {
Vector2 rel = p.pos - xform.elements[2];
Matrix32 rot(orbitvel*frame_time,Vector2());
p.pos = rot.xform(rel) + xform.elements[2];
}
Vector2 tvec=rvec.tangent();
force+=tvec*(param[PARAM_TANGENTIAL_ACCEL]+param[PARAM_TANGENTIAL_ACCEL]*randomness[PARAM_TANGENTIAL_ACCEL]*_rand_from_seed(&rand_seed));
for(int j=0;j<attractor_count;j++) {
Vector2 vec = (attractor_ptr[j].pos - p.pos);
float vl = vec.length();
if (!attractor_ptr[j].attractor->enabled || vl==0 || vl > attractor_ptr[j].attractor->radius)
continue;
force+=vec*attractor_ptr[j].attractor->gravity;
float fvl = p.velocity.length();
if (fvl && attractor_ptr[j].attractor->absorption) {
Vector2 target = vec.normalized();
p.velocity = p.velocity.normalized().linear_interpolate(target,MIN(frame_time*attractor_ptr[j].attractor->absorption,1))*fvl;
}
if (attractor_ptr[j].attractor->disable_radius && vl < attractor_ptr[j].attractor->disable_radius) {
p.active=false;
}
}
p.velocity+=force*frame_time;
if (param[PARAM_DAMPING]) {
float dmp = param[PARAM_DAMPING]+param[PARAM_DAMPING]*randomness[PARAM_DAMPING]*_rand_from_seed(&rand_seed);
float v = p.velocity.length();
v -= dmp * frame_time;
if (v<=0) {
p.velocity=Vector2();
} else {
p.velocity=p.velocity.normalized() * v;
}
}
p.pos+=p.velocity*frame_time;
p.rot+=Math::lerp(param[PARAM_SPIN_VELOCITY],param[PARAM_SPIN_VELOCITY]*randomness[PARAM_SPIN_VELOCITY]*_rand_from_seed(&rand_seed),randomness[PARAM_SPIN_VELOCITY])*frame_time;
float anim_spd=param[PARAM_ANIM_SPEED_SCALE]+param[PARAM_ANIM_SPEED_SCALE]*randomness[PARAM_ANIM_SPEED_SCALE]*_rand_from_seed(&rand_seed);
p.frame=Math::fposmod(p.frame+(frame_time/lifetime)*anim_spd,1.0);
active_count++;
}
}
time=Math::fmod( time+frame_time, lifetime );
if (!emitting && active_count==0) {
set_process(false);
}
update();
}
void Particles2D::_notification(int p_what) {
switch(p_what) {
case NOTIFICATION_PROCESS: {
_process_particles( get_process_delta_time() );
} break;
case NOTIFICATION_ENTER_TREE: {
float ppt=preprocess;
while(ppt>0) {
_process_particles(0.1);
ppt-=0.1;
}
} break;
case NOTIFICATION_DRAW: {
if (particles.size()==0 || lifetime==0)
return;
RID ci=get_canvas_item();
Size2 size(1,1);
Point2 center;
int total_frames=1;
if (!texture.is_null()) {
size=texture->get_size();
size.x/=h_frames;
size.y/=v_frames;
total_frames=h_frames*v_frames;
}
float time_pos=(time/lifetime);
Particle *pdata=&particles[0];
int particle_count=particles.size();
RID texrid;
if (texture.is_valid())
texrid = texture->get_rid();
Matrix32 invxform;
if (!local_space)
invxform=get_global_transform().affine_inverse();
int start_particle = (int)(time * (float)particle_count / lifetime);
for (int id=0;id<particle_count;++id) {
int i = start_particle + id;
if (i >= particle_count) {
i -= particle_count;
}
Particle &p=pdata[i];
if (!p.active)
continue;
float ptime = ((float)i / particle_count)*explosiveness;
if (ptime<time_pos)
ptime=time_pos-ptime;
else
ptime=(1.0-ptime)+time_pos;
uint32_t rand_seed=p.seed*(i+1);
Color color;
if(color_ramp.is_valid())
{
color = color_ramp->get_color_at_offset(ptime);
} else
{
color = default_color;
}
{
float huerand=_rand_from_seed(&rand_seed);
float huerot = param[PARAM_HUE_VARIATION] + randomness[PARAM_HUE_VARIATION] * huerand;
if (Math::abs(huerot) > CMP_EPSILON) {
float h=color.get_h();
float s=color.get_s();
float v=color.get_v();
float a=color.a;
//float preh=h;
h+=huerot;
h=Math::abs(Math::fposmod(h,1.0));
//print_line("rand: "+rtos(randomness[PARAM_HUE_VARIATION])+" rand: "+rtos(huerand));
//print_line(itos(i)+":hue: "+rtos(preh)+" + "+rtos(huerot)+" = "+rtos(h));
color.set_hsv(h,s,v);
color.a=a;
}
}
float initial_size = param[PARAM_INITIAL_SIZE]+param[PARAM_INITIAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_INITIAL_SIZE];
float final_size = param[PARAM_FINAL_SIZE]+param[PARAM_FINAL_SIZE]*_rand_from_seed(&rand_seed)*randomness[PARAM_FINAL_SIZE];
float size_mult=initial_size*(1.0-ptime) + final_size*ptime;
//Size2 rectsize=size * size_mult;
//rectsize=rectsize.floor();
//Rect2 r = Rect2(Vecto,rectsize);
Matrix32 xform;
if (p.rot) {
xform.set_rotation(p.rot);
xform.translate(-size*size_mult/2.0);
xform.elements[2]+=p.pos;
} else {
xform.elements[2]=-size*size_mult/2.0;
xform.elements[2]+=p.pos;
}
if (!local_space) {
xform = invxform * xform;
}
xform.scale_basis(Size2(size_mult,size_mult));
VisualServer::get_singleton()->canvas_item_add_set_transform(ci,xform);
if (texrid.is_valid()) {
Rect2 src_rect;
src_rect.size=size;
if (total_frames>1) {
int frame = Math::fast_ftoi(Math::floor(p.frame*total_frames)) % total_frames;
src_rect.pos.x = size.x * (frame%h_frames);
src_rect.pos.y = size.y * (frame/h_frames);
}
texture->draw_rect_region(ci,Rect2(Point2(),size),src_rect,color);
//VisualServer::get_singleton()->canvas_item_add_texture_rect(ci,r,texrid,false,color);
} else {
VisualServer::get_singleton()->canvas_item_add_rect(ci,Rect2(Point2(),size),color);
}
}
} break;
}
}
static const char* _particlesframe_property_names[Particles2D::PARAM_MAX]={
"params/direction",
"params/spread",
"params/linear_velocity",
"params/spin_velocity",
"params/orbit_velocity",
"params/gravity_direction",
"params/gravity_strength",
"params/radial_accel",
"params/tangential_accel",
"params/damping",
"params/initial_angle",
"params/initial_size",
"params/final_size",
"params/hue_variation",
"params/anim_speed_scale",
"params/anim_initial_pos",
};
static const char* _particlesframe_property_rnames[Particles2D::PARAM_MAX]={
"randomness/direction",
"randomness/spread",
"randomness/linear_velocity",
"randomness/spin_velocity",
"randomness/orbit_velocity",
"randomness/gravity_direction",
"randomness/gravity_strength",
"randomness/radial_accel",
"randomness/tangential_accel",
"randomness/damping",
"randomness/initial_angle",
"randomness/initial_size",
"randomness/final_size",
"randomness/hue_variation",
"randomness/anim_speed_scale",
"randomness/anim_initial_pos",
};
static const char* _particlesframe_property_ranges[Particles2D::PARAM_MAX]={
"0,360,0.01",
"0,180,0.01",
"-1024,1024,0.01",
"-1024,1024,0.01",
"-1024,1024,0.01",
"0,360,0.01",
"0,1024,0.01",
"-128,128,0.01",
"-128,128,0.01",
"0,1024,0.001",
"0,360,0.01",
"0,1024,0.01",
"0,1024,0.01",
"0,1,0.01",
"0,128,0.01",
"0,1,0.01",
};
void Particles2D::set_emitting(bool p_emitting) {
if (emitting==p_emitting)
return;
if (p_emitting) {
if (active_count==0)
time=0;
set_process(true);
time_to_live = emit_timeout;
};
emitting=p_emitting;
_change_notify("config/emitting");
}
bool Particles2D::is_emitting() const {
return emitting;
}
void Particles2D::set_amount(int p_amount) {
ERR_FAIL_INDEX(p_amount,1024+1);
particles.resize(p_amount);
}
int Particles2D::get_amount() const {
return particles.size();
}
void Particles2D::set_emit_timeout(float p_timeout) {
emit_timeout = p_timeout;
time_to_live = p_timeout;
};
float Particles2D::get_emit_timeout() const {
return emit_timeout;
};
void Particles2D::set_lifetime(float p_lifetime) {
ERR_FAIL_INDEX(p_lifetime,3600+1);
lifetime=p_lifetime;
}
float Particles2D::get_lifetime() const {
return lifetime;
}
void Particles2D::set_time_scale(float p_time_scale) {
time_scale=p_time_scale;
}
float Particles2D::get_time_scale() const {
return time_scale;
}
void Particles2D::set_pre_process_time(float p_pre_process_time) {
preprocess=p_pre_process_time;
}
float Particles2D::get_pre_process_time() const{
return preprocess;
}
void Particles2D::set_param(Parameter p_param, float p_value) {
ERR_FAIL_INDEX(p_param,PARAM_MAX);
param[p_param]=p_value;
}
float Particles2D::get_param(Parameter p_param) const {
ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0);
return param[p_param];
}
void Particles2D::set_randomness(Parameter p_param, float p_value) {
ERR_FAIL_INDEX(p_param,PARAM_MAX);
randomness[p_param]=p_value;
}
float Particles2D::get_randomness(Parameter p_param) const {
ERR_FAIL_INDEX_V(p_param,PARAM_MAX,0);
return randomness[p_param];
}
void Particles2D::set_texture(const Ref<Texture>& p_texture) {
texture=p_texture;
}
Ref<Texture> Particles2D::get_texture() const {
return texture;
}
void Particles2D::set_color(const Color& p_color) {
default_color = p_color;
}
Color Particles2D::get_color() const {
return default_color;
}
void Particles2D::set_color_ramp(const Ref<ColorRamp>& p_color_ramp) {
color_ramp=p_color_ramp;
}
Ref<ColorRamp> Particles2D::get_color_ramp() const {
return color_ramp;
}
void Particles2D::set_emissor_offset(const Point2& p_offset) {
emissor_offset=p_offset;
}
Point2 Particles2D::get_emissor_offset() const {
return emissor_offset;
}
void Particles2D::set_use_local_space(bool p_use) {
local_space=p_use;
}
bool Particles2D::is_using_local_space() const {
return local_space;
}
//Deprecated. Converts color phases to color ramp
void Particles2D::set_color_phases(int p_phases) {
//Create color ramp if we have 2 or more phases.
//Otherwise first phase phase will be assigned to default color.
if(p_phases > 1 && color_ramp.is_null())
{
color_ramp = Ref<ColorRamp>(memnew (ColorRamp()));
}
if(color_ramp.is_valid())
{
color_ramp->get_points().resize(p_phases);
}
}
//Deprecated.
int Particles2D::get_color_phases() const {
if(color_ramp.is_valid())
{
return color_ramp->get_points_count();
}
return 0;
}
//Deprecated. Converts color phases to color ramp
void Particles2D::set_color_phase_color(int p_phase,const Color& p_color) {
ERR_FAIL_INDEX(p_phase,MAX_COLOR_PHASES);
if(color_ramp.is_valid())
{
if(color_ramp->get_points_count() > p_phase)
color_ramp->set_color(p_phase, p_color);
} else
{
if(p_phase == 0)
default_color = p_color;
}
}
//Deprecated.
Color Particles2D::get_color_phase_color(int p_phase) const {
ERR_FAIL_INDEX_V(p_phase,MAX_COLOR_PHASES,Color());
if(color_ramp.is_valid())
{
return color_ramp->get_color(p_phase);
}
return Color(0,0,0,1);
}
//Deprecated. Converts color phases to color ramp
void Particles2D::set_color_phase_pos(int p_phase,float p_pos) {
ERR_FAIL_INDEX(p_phase,MAX_COLOR_PHASES);
ERR_FAIL_COND(p_pos<0.0 || p_pos>1.0);
if(color_ramp.is_valid() && color_ramp->get_points_count() > p_phase)
{
return color_ramp->set_offset(p_phase, p_pos);
}
}
//Deprecated.
float Particles2D::get_color_phase_pos(int p_phase) const {
ERR_FAIL_INDEX_V(p_phase,MAX_COLOR_PHASES,0);
if(color_ramp.is_valid())
{
return color_ramp->get_offset(p_phase);
}
return 0;
}
void Particles2D::set_emission_half_extents(const Vector2& p_extents) {
extents=p_extents;
}
Vector2 Particles2D::get_emission_half_extents() const {
return extents;
}
void Particles2D::testee(int a, int b, int c, int d, int e) {
print_line(itos(a));
print_line(itos(b));
print_line(itos(c));
print_line(itos(d));
print_line(itos(e));
}
void Particles2D::set_initial_velocity(const Vector2& p_velocity) {
initial_velocity=p_velocity;
}
Vector2 Particles2D::get_initial_velocity() const{
return initial_velocity;
}
void Particles2D::pre_process(float p_delta) {
_process_particles(p_delta);
}
void Particles2D::set_explosiveness(float p_value) {
explosiveness=p_value;
}
float Particles2D::get_explosiveness() const{
return explosiveness;
}
void Particles2D::set_flip_h(bool p_flip) {
flip_h=p_flip;
}
bool Particles2D::is_flipped_h() const{
return flip_h;
}
void Particles2D::set_flip_v(bool p_flip){
flip_v=p_flip;
}
bool Particles2D::is_flipped_v() const{
return flip_v;
}
void Particles2D::set_h_frames(int p_frames) {
ERR_FAIL_COND(p_frames<1);
h_frames=p_frames;
}
int Particles2D::get_h_frames() const{
return h_frames;
}
void Particles2D::set_v_frames(int p_frames){
ERR_FAIL_COND(p_frames<1);
v_frames=p_frames;
}
int Particles2D::get_v_frames() const{
return v_frames;
}
void Particles2D::set_emission_points(const DVector<Vector2>& p_points) {
emission_points=p_points;
}
DVector<Vector2> Particles2D::get_emission_points() const{
return emission_points;
}
void Particles2D::reset() {
for(int i=0;i<particles.size();i++) {
particles[i].active=false;
}
time=0;
active_count=0;
}
void Particles2D::_bind_methods() {
ObjectTypeDB::bind_method(_MD("set_emitting","active"),&Particles2D::set_emitting);
ObjectTypeDB::bind_method(_MD("is_emitting"),&Particles2D::is_emitting);
ObjectTypeDB::bind_method(_MD("set_amount","amount"),&Particles2D::set_amount);
ObjectTypeDB::bind_method(_MD("get_amount"),&Particles2D::get_amount);
ObjectTypeDB::bind_method(_MD("set_lifetime","lifetime"),&Particles2D::set_lifetime);
ObjectTypeDB::bind_method(_MD("get_lifetime"),&Particles2D::get_lifetime);
ObjectTypeDB::bind_method(_MD("set_time_scale","time_scale"),&Particles2D::set_time_scale);
ObjectTypeDB::bind_method(_MD("get_time_scale"),&Particles2D::get_time_scale);
ObjectTypeDB::bind_method(_MD("set_pre_process_time","time"),&Particles2D::set_pre_process_time);
ObjectTypeDB::bind_method(_MD("get_pre_process_time"),&Particles2D::get_pre_process_time);
ObjectTypeDB::bind_method(_MD("set_emit_timeout","value"),&Particles2D::set_emit_timeout);
ObjectTypeDB::bind_method(_MD("get_emit_timeout"),&Particles2D::get_emit_timeout);
ObjectTypeDB::bind_method(_MD("set_param","param","value"),&Particles2D::set_param);
ObjectTypeDB::bind_method(_MD("get_param","param"),&Particles2D::get_param);
ObjectTypeDB::bind_method(_MD("set_randomness","param","value"),&Particles2D::set_randomness);
ObjectTypeDB::bind_method(_MD("get_randomness","param"),&Particles2D::get_randomness);
ObjectTypeDB::bind_method(_MD("set_texture:Texture","texture"),&Particles2D::set_texture);
ObjectTypeDB::bind_method(_MD("get_texture:Texture"),&Particles2D::get_texture);
ObjectTypeDB::bind_method(_MD("set_color","color"),&Particles2D::set_color);
ObjectTypeDB::bind_method(_MD("get_color"),&Particles2D::get_color);
ObjectTypeDB::bind_method(_MD("set_color_ramp:ColorRamp","color_ramp"),&Particles2D::set_color_ramp);
ObjectTypeDB::bind_method(_MD("get_color_ramp:ColorRamp"),&Particles2D::get_color_ramp);
ObjectTypeDB::bind_method(_MD("set_emissor_offset","offset"),&Particles2D::set_emissor_offset);
ObjectTypeDB::bind_method(_MD("get_emissor_offset"),&Particles2D::get_emissor_offset);
ObjectTypeDB::bind_method(_MD("set_flip_h","enable"),&Particles2D::set_flip_h);
ObjectTypeDB::bind_method(_MD("is_flipped_h"),&Particles2D::is_flipped_h);
ObjectTypeDB::bind_method(_MD("set_flip_v","enable"),&Particles2D::set_flip_v);
ObjectTypeDB::bind_method(_MD("is_flipped_v"),&Particles2D::is_flipped_v);
ObjectTypeDB::bind_method(_MD("set_h_frames","enable"),&Particles2D::set_h_frames);
ObjectTypeDB::bind_method(_MD("get_h_frames"),&Particles2D::get_h_frames);
ObjectTypeDB::bind_method(_MD("set_v_frames","enable"),&Particles2D::set_v_frames);
ObjectTypeDB::bind_method(_MD("get_v_frames"),&Particles2D::get_v_frames);
ObjectTypeDB::bind_method(_MD("set_emission_half_extents","extents"),&Particles2D::set_emission_half_extents);
ObjectTypeDB::bind_method(_MD("get_emission_half_extents"),&Particles2D::get_emission_half_extents);
ObjectTypeDB::bind_method(_MD("set_color_phases","phases"),&Particles2D::set_color_phases);
ObjectTypeDB::bind_method(_MD("get_color_phases"),&Particles2D::get_color_phases);
ObjectTypeDB::bind_method(_MD("set_color_phase_color","phase","color"),&Particles2D::set_color_phase_color);
ObjectTypeDB::bind_method(_MD("get_color_phase_color","phase"),&Particles2D::get_color_phase_color);
ObjectTypeDB::bind_method(_MD("set_color_phase_pos","phase","pos"),&Particles2D::set_color_phase_pos);
ObjectTypeDB::bind_method(_MD("get_color_phase_pos","phase"),&Particles2D::get_color_phase_pos);
ObjectTypeDB::bind_method(_MD("pre_process","time"),&Particles2D::pre_process);
ObjectTypeDB::bind_method(_MD("reset"),&Particles2D::reset);
ObjectTypeDB::bind_method(_MD("set_use_local_space","enable"),&Particles2D::set_use_local_space);
ObjectTypeDB::bind_method(_MD("is_using_local_space"),&Particles2D::is_using_local_space);
ObjectTypeDB::bind_method(_MD("set_initial_velocity","velocity"),&Particles2D::set_initial_velocity);
ObjectTypeDB::bind_method(_MD("get_initial_velocity"),&Particles2D::get_initial_velocity);
ObjectTypeDB::bind_method(_MD("set_explosiveness","amount"),&Particles2D::set_explosiveness);
ObjectTypeDB::bind_method(_MD("get_explosiveness"),&Particles2D::get_explosiveness);
ObjectTypeDB::bind_method(_MD("set_emission_points","points"),&Particles2D::set_emission_points);
ObjectTypeDB::bind_method(_MD("get_emission_points"),&Particles2D::get_emission_points);
ADD_PROPERTY(PropertyInfo(Variant::INT,"config/amount",PROPERTY_HINT_EXP_RANGE,"1,1024"),_SCS("set_amount"),_SCS("get_amount") );
ADD_PROPERTY(PropertyInfo(Variant::REAL,"config/lifetime",PROPERTY_HINT_EXP_RANGE,"0.1,3600,0.1"),_SCS("set_lifetime"),_SCS("get_lifetime") );
ADD_PROPERTYNO(PropertyInfo(Variant::REAL,"config/time_scale",PROPERTY_HINT_EXP_RANGE,"0.01,128,0.01"),_SCS("set_time_scale"),_SCS("get_time_scale") );
ADD_PROPERTYNZ(PropertyInfo(Variant::REAL,"config/preprocess",PROPERTY_HINT_EXP_RANGE,"0.1,3600,0.1"),_SCS("set_pre_process_time"),_SCS("get_pre_process_time") );
ADD_PROPERTYNZ(PropertyInfo(Variant::REAL,"config/emit_timeout",PROPERTY_HINT_RANGE,"0,3600,0.1"),_SCS("set_emit_timeout"),_SCS("get_emit_timeout") );
ADD_PROPERTYNO(PropertyInfo(Variant::BOOL,"config/emitting"),_SCS("set_emitting"),_SCS("is_emitting") );
ADD_PROPERTYNZ(PropertyInfo(Variant::VECTOR2,"config/offset"),_SCS("set_emissor_offset"),_SCS("get_emissor_offset"));
ADD_PROPERTYNZ(PropertyInfo(Variant::VECTOR2,"config/half_extents"),_SCS("set_emission_half_extents"),_SCS("get_emission_half_extents"));
ADD_PROPERTYNO(PropertyInfo(Variant::BOOL,"config/local_space"),_SCS("set_use_local_space"),_SCS("is_using_local_space"));
ADD_PROPERTYNO(PropertyInfo(Variant::REAL,"config/explosiveness",PROPERTY_HINT_RANGE,"0,1,0.01"),_SCS("set_explosiveness"),_SCS("get_explosiveness"));
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL,"config/flip_h"),_SCS("set_flip_h"),_SCS("is_flipped_h"));
ADD_PROPERTYNZ(PropertyInfo(Variant::BOOL,"config/flip_v"),_SCS("set_flip_v"),_SCS("is_flipped_v"));
ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"config/texture",PROPERTY_HINT_RESOURCE_TYPE,"Texture"),_SCS("set_texture"),_SCS("get_texture"));
ADD_PROPERTYNO(PropertyInfo(Variant::INT,"config/h_frames",PROPERTY_HINT_RANGE,"1,512,1"),_SCS("set_h_frames"),_SCS("get_h_frames"));
ADD_PROPERTYNO(PropertyInfo(Variant::INT,"config/v_frames",PROPERTY_HINT_RANGE,"1,512,1"),_SCS("set_v_frames"),_SCS("get_v_frames"));
for(int i=0;i<PARAM_MAX;i++) {
ADD_PROPERTYI(PropertyInfo(Variant::REAL,_particlesframe_property_names[i],PROPERTY_HINT_RANGE,_particlesframe_property_ranges[i]),_SCS("set_param"),_SCS("get_param"),i);
}
for(int i=0;i<PARAM_MAX;i++) {
ADD_PROPERTYINZ(PropertyInfo(Variant::REAL,_particlesframe_property_rnames[i],PROPERTY_HINT_RANGE,"-1,1,0.01"),_SCS("set_randomness"),_SCS("get_randomness"),i);
}
ADD_PROPERTYNZ( PropertyInfo( Variant::INT, "color_phases/count",PROPERTY_HINT_RANGE,"0,4,1", 0), _SCS("set_color_phases"), _SCS("get_color_phases"));
//Backward compatibility. They will be converted to color ramp
for(int i=0;i<MAX_COLOR_PHASES;i++) {
String phase="phase_"+itos(i)+"/";
ADD_PROPERTYI( PropertyInfo( Variant::REAL, phase+"pos", PROPERTY_HINT_RANGE,"0,1,0.01", 0),_SCS("set_color_phase_pos"),_SCS("get_color_phase_pos"),i );
ADD_PROPERTYI( PropertyInfo( Variant::COLOR, phase+"color", PROPERTY_HINT_NONE, "", 0),_SCS("set_color_phase_color"),_SCS("get_color_phase_color"),i );
}
ADD_PROPERTYNO(PropertyInfo(Variant::COLOR, "color/color"),_SCS("set_color"),_SCS("get_color"));
ADD_PROPERTYNZ(PropertyInfo(Variant::OBJECT,"color/color_ramp",PROPERTY_HINT_RESOURCE_TYPE,"ColorRamp"),_SCS("set_color_ramp"),_SCS("get_color_ramp"));
ADD_PROPERTYNZ(PropertyInfo(Variant::VECTOR2_ARRAY,"emission_points",PROPERTY_HINT_NONE,"",PROPERTY_USAGE_NOEDITOR),_SCS("set_emission_points"),_SCS("get_emission_points"));
BIND_CONSTANT( PARAM_DIRECTION );
BIND_CONSTANT( PARAM_SPREAD );
BIND_CONSTANT( PARAM_LINEAR_VELOCITY );
BIND_CONSTANT( PARAM_SPIN_VELOCITY );
BIND_CONSTANT( PARAM_ORBIT_VELOCITY );
BIND_CONSTANT( PARAM_GRAVITY_DIRECTION );
BIND_CONSTANT( PARAM_GRAVITY_STRENGTH );
BIND_CONSTANT( PARAM_RADIAL_ACCEL );
BIND_CONSTANT( PARAM_TANGENTIAL_ACCEL );
BIND_CONSTANT( PARAM_DAMPING );
BIND_CONSTANT( PARAM_INITIAL_ANGLE );
BIND_CONSTANT( PARAM_INITIAL_SIZE );
BIND_CONSTANT( PARAM_FINAL_SIZE );
BIND_CONSTANT( PARAM_HUE_VARIATION );
BIND_CONSTANT( PARAM_ANIM_SPEED_SCALE );
BIND_CONSTANT( PARAM_ANIM_INITIAL_POS );
BIND_CONSTANT( PARAM_MAX );
BIND_CONSTANT( MAX_COLOR_PHASES );
}
Particles2D::Particles2D() {
for(int i=0;i<PARAM_MAX;i++) {
param[i]=0;
randomness[i]=0;
}
set_param(PARAM_SPREAD,10);
set_param(PARAM_LINEAR_VELOCITY,20);
set_param(PARAM_GRAVITY_STRENGTH,9.8);
set_param(PARAM_RADIAL_ACCEL,0);
set_param(PARAM_TANGENTIAL_ACCEL,0);
set_param(PARAM_INITIAL_ANGLE,0.0);
set_param(PARAM_INITIAL_SIZE,1.0);
set_param(PARAM_FINAL_SIZE,1.0);
set_param(PARAM_ANIM_SPEED_SCALE,1.0);
set_color(Color(1,1,1,1));
time=0;
lifetime=2;
emitting=false;
particles.resize(32);
active_count=-1;
set_emitting(true);
local_space=true;
preprocess=0;
time_scale=1.0;
flip_h=false;
flip_v=false;
v_frames=1;
h_frames=1;
emit_timeout = 0;
time_to_live = 0;
explosiveness=1.0;
}
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