/*************************************************************************/ /* gpu_particles_2d.cpp */ /*************************************************************************/ /* This file is part of: */ /* GODOT ENGINE */ /* https://godotengine.org */ /*************************************************************************/ /* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */ /* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */ /* */ /* 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 "gpu_particles_2d.h" #include "core/os/os.h" #include "scene/resources/particles_material.h" #include "scene/scene_string_names.h" #ifdef TOOLS_ENABLED #include "core/config/engine.h" #endif void GPUParticles2D::set_emitting(bool p_emitting) { RS::get_singleton()->particles_set_emitting(particles, p_emitting); if (p_emitting && one_shot) { set_process_internal(true); } else if (!p_emitting) { set_process_internal(false); } } void GPUParticles2D::set_amount(int p_amount) { ERR_FAIL_COND_MSG(p_amount < 1, "Amount of particles cannot be smaller than 1."); amount = p_amount; RS::get_singleton()->particles_set_amount(particles, amount); } void GPUParticles2D::set_lifetime(double p_lifetime) { ERR_FAIL_COND_MSG(p_lifetime <= 0, "Particles lifetime must be greater than 0."); lifetime = p_lifetime; RS::get_singleton()->particles_set_lifetime(particles, lifetime); } void GPUParticles2D::set_one_shot(bool p_enable) { one_shot = p_enable; RS::get_singleton()->particles_set_one_shot(particles, one_shot); if (is_emitting()) { set_process_internal(true); if (!one_shot) { RenderingServer::get_singleton()->particles_restart(particles); } } if (!one_shot) { set_process_internal(false); } } void GPUParticles2D::set_pre_process_time(double p_time) { pre_process_time = p_time; RS::get_singleton()->particles_set_pre_process_time(particles, pre_process_time); } void GPUParticles2D::set_explosiveness_ratio(real_t p_ratio) { explosiveness_ratio = p_ratio; RS::get_singleton()->particles_set_explosiveness_ratio(particles, explosiveness_ratio); } void GPUParticles2D::set_randomness_ratio(real_t p_ratio) { randomness_ratio = p_ratio; RS::get_singleton()->particles_set_randomness_ratio(particles, randomness_ratio); } void GPUParticles2D::set_visibility_rect(const Rect2 &p_visibility_rect) { visibility_rect = p_visibility_rect; AABB aabb; aabb.position.x = p_visibility_rect.position.x; aabb.position.y = p_visibility_rect.position.y; aabb.size.x = p_visibility_rect.size.x; aabb.size.y = p_visibility_rect.size.y; RS::get_singleton()->particles_set_custom_aabb(particles, aabb); update(); } void GPUParticles2D::set_use_local_coordinates(bool p_enable) { local_coords = p_enable; RS::get_singleton()->particles_set_use_local_coordinates(particles, local_coords); set_notify_transform(!p_enable); if (!p_enable && is_inside_tree()) { _update_particle_emission_transform(); } } void GPUParticles2D::_update_particle_emission_transform() { Transform2D xf2d = get_global_transform(); Transform3D xf; xf.basis.set_axis(0, Vector3(xf2d.get_axis(0).x, xf2d.get_axis(0).y, 0)); xf.basis.set_axis(1, Vector3(xf2d.get_axis(1).x, xf2d.get_axis(1).y, 0)); xf.set_origin(Vector3(xf2d.get_origin().x, xf2d.get_origin().y, 0)); RS::get_singleton()->particles_set_emission_transform(particles, xf); } void GPUParticles2D::set_process_material(const Ref &p_material) { process_material = p_material; Ref pm = p_material; if (pm.is_valid() && !pm->get_particle_flag(ParticlesMaterial::PARTICLE_FLAG_DISABLE_Z) && pm->get_gravity() == Vector3(0, -9.8, 0)) { // Likely a new (3D) material, modify it to match 2D space pm->set_particle_flag(ParticlesMaterial::PARTICLE_FLAG_DISABLE_Z, true); pm->set_gravity(Vector3(0, 98, 0)); } RID material_rid; if (process_material.is_valid()) { material_rid = process_material->get_rid(); } RS::get_singleton()->particles_set_process_material(particles, material_rid); update_configuration_warnings(); } void GPUParticles2D::set_trail_enabled(bool p_enabled) { trail_enabled = p_enabled; RS::get_singleton()->particles_set_trails(particles, trail_enabled, trail_length); update_configuration_warnings(); update(); RS::get_singleton()->particles_set_transform_align(particles, p_enabled ? RS::PARTICLES_TRANSFORM_ALIGN_Y_TO_VELOCITY : RS::PARTICLES_TRANSFORM_ALIGN_DISABLED); } void GPUParticles2D::set_trail_length(double p_seconds) { ERR_FAIL_COND(p_seconds < 0.001); trail_length = p_seconds; RS::get_singleton()->particles_set_trails(particles, trail_enabled, trail_length); update(); } void GPUParticles2D::set_trail_sections(int p_sections) { ERR_FAIL_COND(p_sections < 2); ERR_FAIL_COND(p_sections > 128); trail_sections = p_sections; update(); } void GPUParticles2D::set_trail_section_subdivisions(int p_subdivisions) { ERR_FAIL_COND(trail_section_subdivisions < 1); ERR_FAIL_COND(trail_section_subdivisions > 1024); trail_section_subdivisions = p_subdivisions; update(); } bool GPUParticles2D::is_trail_enabled() const { return trail_enabled; } double GPUParticles2D::get_trail_length() const { return trail_length; } void GPUParticles2D::_update_collision_size() { real_t csize = collision_base_size; if (texture.is_valid()) { csize *= (texture->get_width() + texture->get_height()) / 4.0; //half size since its a radius } RS::get_singleton()->particles_set_collision_base_size(particles, csize); } void GPUParticles2D::set_collision_base_size(real_t p_size) { collision_base_size = p_size; _update_collision_size(); } real_t GPUParticles2D::get_collision_base_size() const { return collision_base_size; } void GPUParticles2D::set_speed_scale(double p_scale) { speed_scale = p_scale; RS::get_singleton()->particles_set_speed_scale(particles, p_scale); } bool GPUParticles2D::is_emitting() const { return RS::get_singleton()->particles_get_emitting(particles); } int GPUParticles2D::get_amount() const { return amount; } double GPUParticles2D::get_lifetime() const { return lifetime; } int GPUParticles2D::get_trail_sections() const { return trail_sections; } int GPUParticles2D::get_trail_section_subdivisions() const { return trail_section_subdivisions; } bool GPUParticles2D::get_one_shot() const { return one_shot; } double GPUParticles2D::get_pre_process_time() const { return pre_process_time; } real_t GPUParticles2D::get_explosiveness_ratio() const { return explosiveness_ratio; } real_t GPUParticles2D::get_randomness_ratio() const { return randomness_ratio; } Rect2 GPUParticles2D::get_visibility_rect() const { return visibility_rect; } bool GPUParticles2D::get_use_local_coordinates() const { return local_coords; } Ref GPUParticles2D::get_process_material() const { return process_material; } double GPUParticles2D::get_speed_scale() const { return speed_scale; } void GPUParticles2D::set_draw_order(DrawOrder p_order) { draw_order = p_order; RS::get_singleton()->particles_set_draw_order(particles, RS::ParticlesDrawOrder(p_order)); } GPUParticles2D::DrawOrder GPUParticles2D::get_draw_order() const { return draw_order; } void GPUParticles2D::set_fixed_fps(int p_count) { fixed_fps = p_count; RS::get_singleton()->particles_set_fixed_fps(particles, p_count); } int GPUParticles2D::get_fixed_fps() const { return fixed_fps; } void GPUParticles2D::set_fractional_delta(bool p_enable) { fractional_delta = p_enable; RS::get_singleton()->particles_set_fractional_delta(particles, p_enable); } bool GPUParticles2D::get_fractional_delta() const { return fractional_delta; } TypedArray GPUParticles2D::get_configuration_warnings() const { TypedArray warnings = Node::get_configuration_warnings(); if (RenderingServer::get_singleton()->is_low_end()) { warnings.push_back(TTR("GPU-based particles are not supported by the GLES2 video driver.\nUse the CPUParticles2D node instead. You can use the \"Convert to CPUParticles2D\" option for this purpose.")); } if (process_material.is_null()) { warnings.push_back(TTR("A material to process the particles is not assigned, so no behavior is imprinted.")); } else { CanvasItemMaterial *mat = Object::cast_to(get_material().ptr()); if (get_material().is_null() || (mat && !mat->get_particles_animation())) { const ParticlesMaterial *process = Object::cast_to(process_material.ptr()); if (process && (process->get_param(ParticlesMaterial::PARAM_ANIM_SPEED) != 0.0 || process->get_param(ParticlesMaterial::PARAM_ANIM_OFFSET) != 0.0 || process->get_param_texture(ParticlesMaterial::PARAM_ANIM_SPEED).is_valid() || process->get_param_texture(ParticlesMaterial::PARAM_ANIM_OFFSET).is_valid())) { warnings.push_back(TTR("Particles2D animation requires the usage of a CanvasItemMaterial with \"Particles Animation\" enabled.")); } } } return warnings; } Rect2 GPUParticles2D::capture_rect() const { AABB aabb = RS::get_singleton()->particles_get_current_aabb(particles); Rect2 r; r.position.x = aabb.position.x; r.position.y = aabb.position.y; r.size.x = aabb.size.x; r.size.y = aabb.size.y; return r; } void GPUParticles2D::set_texture(const Ref &p_texture) { texture = p_texture; _update_collision_size(); update(); } Ref GPUParticles2D::get_texture() const { return texture; } void GPUParticles2D::_validate_property(PropertyInfo &property) const { } void GPUParticles2D::restart() { RS::get_singleton()->particles_restart(particles); RS::get_singleton()->particles_set_emitting(particles, true); } void GPUParticles2D::_notification(int p_what) { if (p_what == NOTIFICATION_DRAW) { RID texture_rid; Size2 size; if (texture.is_valid()) { texture_rid = texture->get_rid(); size = texture->get_size(); } else { size = Size2(1, 1); } if (trail_enabled) { RS::get_singleton()->mesh_clear(mesh); PackedVector2Array points; PackedVector2Array uvs; PackedInt32Array bone_indices; PackedFloat32Array bone_weights; PackedInt32Array indices; int total_segments = trail_sections * trail_section_subdivisions; real_t depth = size.height * trail_sections; for (int j = 0; j <= total_segments; j++) { real_t v = j; v /= total_segments; real_t y = depth * v; y = (depth * 0.5) - y; int bone = j / trail_section_subdivisions; real_t blend = 1.0 - real_t(j % trail_section_subdivisions) / real_t(trail_section_subdivisions); real_t s = size.width; points.push_back(Vector2(-s * 0.5, 0)); points.push_back(Vector2(+s * 0.5, 0)); uvs.push_back(Vector2(0, v)); uvs.push_back(Vector2(1, v)); for (int i = 0; i < 2; i++) { bone_indices.push_back(bone); bone_indices.push_back(MIN(trail_sections, bone + 1)); bone_indices.push_back(0); bone_indices.push_back(0); bone_weights.push_back(blend); bone_weights.push_back(1.0 - blend); bone_weights.push_back(0); bone_weights.push_back(0); } if (j > 0) { int base = j * 2 - 2; indices.push_back(base + 0); indices.push_back(base + 1); indices.push_back(base + 2); indices.push_back(base + 1); indices.push_back(base + 3); indices.push_back(base + 2); } } Array arr; arr.resize(RS::ARRAY_MAX); arr[RS::ARRAY_VERTEX] = points; arr[RS::ARRAY_TEX_UV] = uvs; arr[RS::ARRAY_BONES] = bone_indices; arr[RS::ARRAY_WEIGHTS] = bone_weights; arr[RS::ARRAY_INDEX] = indices; RS::get_singleton()->mesh_add_surface_from_arrays(mesh, RS::PRIMITIVE_TRIANGLES, arr, Array(), Dictionary(), RS::ARRAY_FLAG_USE_2D_VERTICES); Vector xforms; for (int i = 0; i <= trail_sections; i++) { Transform3D xform; /* xform.origin.y = depth / 2.0 - size.height * real_t(i); xform.origin.y = -xform.origin.y; //bind is an inverse transform, so negate y */ xforms.push_back(xform); } RS::get_singleton()->particles_set_trail_bind_poses(particles, xforms); } else { RS::get_singleton()->mesh_clear(mesh); Vector points; points.resize(4); points.write[0] = Vector2(-size.x / 2.0, -size.y / 2.0); points.write[1] = Vector2(size.x / 2.0, -size.y / 2.0); points.write[2] = Vector2(size.x / 2.0, size.y / 2.0); points.write[3] = Vector2(-size.x / 2.0, size.y / 2.0); Vector uvs; uvs.resize(4); uvs.write[0] = Vector2(0, 0); uvs.write[1] = Vector2(1, 0); uvs.write[2] = Vector2(1, 1); uvs.write[3] = Vector2(0, 1); Vector indices; indices.resize(6); indices.write[0] = 0; indices.write[1] = 1; indices.write[2] = 2; indices.write[3] = 0; indices.write[4] = 2; indices.write[5] = 3; Array arr; arr.resize(RS::ARRAY_MAX); arr[RS::ARRAY_VERTEX] = points; arr[RS::ARRAY_TEX_UV] = uvs; arr[RS::ARRAY_INDEX] = indices; RS::get_singleton()->mesh_add_surface_from_arrays(mesh, RS::PRIMITIVE_TRIANGLES, arr, Array(), Dictionary(), RS::ARRAY_FLAG_USE_2D_VERTICES); RS::get_singleton()->particles_set_trail_bind_poses(particles, Vector()); } RS::get_singleton()->canvas_item_add_particles(get_canvas_item(), particles, texture_rid); #ifdef TOOLS_ENABLED if (Engine::get_singleton()->is_editor_hint() && (this == get_tree()->get_edited_scene_root() || get_tree()->get_edited_scene_root()->is_ancestor_of(this))) { draw_rect(visibility_rect, Color(0, 0.7, 0.9, 0.4), false); } #endif } if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) { if (can_process()) { RS::get_singleton()->particles_set_speed_scale(particles, speed_scale); } else { RS::get_singleton()->particles_set_speed_scale(particles, 0); } } if (p_what == NOTIFICATION_TRANSFORM_CHANGED) { _update_particle_emission_transform(); } if (p_what == NOTIFICATION_INTERNAL_PROCESS) { if (one_shot && !is_emitting()) { notify_property_list_changed(); set_process_internal(false); } } } void GPUParticles2D::_bind_methods() { ClassDB::bind_method(D_METHOD("set_emitting", "emitting"), &GPUParticles2D::set_emitting); ClassDB::bind_method(D_METHOD("set_amount", "amount"), &GPUParticles2D::set_amount); ClassDB::bind_method(D_METHOD("set_lifetime", "secs"), &GPUParticles2D::set_lifetime); ClassDB::bind_method(D_METHOD("set_one_shot", "secs"), &GPUParticles2D::set_one_shot); ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &GPUParticles2D::set_pre_process_time); ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &GPUParticles2D::set_explosiveness_ratio); ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &GPUParticles2D::set_randomness_ratio); ClassDB::bind_method(D_METHOD("set_visibility_rect", "visibility_rect"), &GPUParticles2D::set_visibility_rect); ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &GPUParticles2D::set_use_local_coordinates); ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &GPUParticles2D::set_fixed_fps); ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &GPUParticles2D::set_fractional_delta); ClassDB::bind_method(D_METHOD("set_process_material", "material"), &GPUParticles2D::set_process_material); ClassDB::bind_method(D_METHOD("set_speed_scale", "scale"), &GPUParticles2D::set_speed_scale); ClassDB::bind_method(D_METHOD("set_collision_base_size", "size"), &GPUParticles2D::set_collision_base_size); ClassDB::bind_method(D_METHOD("is_emitting"), &GPUParticles2D::is_emitting); ClassDB::bind_method(D_METHOD("get_amount"), &GPUParticles2D::get_amount); ClassDB::bind_method(D_METHOD("get_lifetime"), &GPUParticles2D::get_lifetime); ClassDB::bind_method(D_METHOD("get_one_shot"), &GPUParticles2D::get_one_shot); ClassDB::bind_method(D_METHOD("get_pre_process_time"), &GPUParticles2D::get_pre_process_time); ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &GPUParticles2D::get_explosiveness_ratio); ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &GPUParticles2D::get_randomness_ratio); ClassDB::bind_method(D_METHOD("get_visibility_rect"), &GPUParticles2D::get_visibility_rect); ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &GPUParticles2D::get_use_local_coordinates); ClassDB::bind_method(D_METHOD("get_fixed_fps"), &GPUParticles2D::get_fixed_fps); ClassDB::bind_method(D_METHOD("get_fractional_delta"), &GPUParticles2D::get_fractional_delta); ClassDB::bind_method(D_METHOD("get_process_material"), &GPUParticles2D::get_process_material); ClassDB::bind_method(D_METHOD("get_speed_scale"), &GPUParticles2D::get_speed_scale); ClassDB::bind_method(D_METHOD("get_collision_base_size"), &GPUParticles2D::get_collision_base_size); ClassDB::bind_method(D_METHOD("set_draw_order", "order"), &GPUParticles2D::set_draw_order); ClassDB::bind_method(D_METHOD("get_draw_order"), &GPUParticles2D::get_draw_order); ClassDB::bind_method(D_METHOD("set_texture", "texture"), &GPUParticles2D::set_texture); ClassDB::bind_method(D_METHOD("get_texture"), &GPUParticles2D::get_texture); ClassDB::bind_method(D_METHOD("capture_rect"), &GPUParticles2D::capture_rect); ClassDB::bind_method(D_METHOD("restart"), &GPUParticles2D::restart); ClassDB::bind_method(D_METHOD("set_trail_enabled", "enabled"), &GPUParticles2D::set_trail_enabled); ClassDB::bind_method(D_METHOD("set_trail_length", "secs"), &GPUParticles2D::set_trail_length); ClassDB::bind_method(D_METHOD("is_trail_enabled"), &GPUParticles2D::is_trail_enabled); ClassDB::bind_method(D_METHOD("get_trail_length"), &GPUParticles2D::get_trail_length); ClassDB::bind_method(D_METHOD("set_trail_sections", "sections"), &GPUParticles2D::set_trail_sections); ClassDB::bind_method(D_METHOD("get_trail_sections"), &GPUParticles2D::get_trail_sections); ClassDB::bind_method(D_METHOD("set_trail_section_subdivisions", "subdivisions"), &GPUParticles2D::set_trail_section_subdivisions); ClassDB::bind_method(D_METHOD("get_trail_section_subdivisions"), &GPUParticles2D::get_trail_section_subdivisions); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emitting"), "set_emitting", "is_emitting"); ADD_PROPERTY(PropertyInfo(Variant::INT, "amount", PROPERTY_HINT_RANGE, "1,1000000,1,exp"), "set_amount", "get_amount"); ADD_GROUP("Time", ""); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "lifetime", PROPERTY_HINT_RANGE, "0.01,600.0,0.01,or_greater"), "set_lifetime", "get_lifetime"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "preprocess", PROPERTY_HINT_RANGE, "0.00,600.0,0.01"), "set_pre_process_time", "get_pre_process_time"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "speed_scale", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_speed_scale", "get_speed_scale"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "explosiveness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_explosiveness_ratio", "get_explosiveness_ratio"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "randomness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_randomness_ratio", "get_randomness_ratio"); ADD_PROPERTY(PropertyInfo(Variant::INT, "fixed_fps", PROPERTY_HINT_RANGE, "0,1000,1"), "set_fixed_fps", "get_fixed_fps"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "fract_delta"), "set_fractional_delta", "get_fractional_delta"); ADD_GROUP("Collision", "collision_"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "collision_base_size", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater"), "set_collision_base_size", "get_collision_base_size"); ADD_GROUP("Drawing", ""); ADD_PROPERTY(PropertyInfo(Variant::RECT2, "visibility_rect"), "set_visibility_rect", "get_visibility_rect"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "local_coords"), "set_use_local_coordinates", "get_use_local_coordinates"); ADD_PROPERTY(PropertyInfo(Variant::INT, "draw_order", PROPERTY_HINT_ENUM, "Index,Lifetime,Reverse Lifetime"), "set_draw_order", "get_draw_order"); ADD_GROUP("Trails", "trail_"); ADD_PROPERTY(PropertyInfo(Variant::BOOL, "trail_enabled"), "set_trail_enabled", "is_trail_enabled"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "trail_length_secs", PROPERTY_HINT_RANGE, "0.01,10,0.01"), "set_trail_length", "get_trail_length"); ADD_PROPERTY(PropertyInfo(Variant::INT, "trail_sections", PROPERTY_HINT_RANGE, "2,128,1"), "set_trail_sections", "get_trail_sections"); ADD_PROPERTY(PropertyInfo(Variant::INT, "trail_section_subdivisions", PROPERTY_HINT_RANGE, "1,1024,1"), "set_trail_section_subdivisions", "get_trail_section_subdivisions"); ADD_GROUP("Process Material", "process_"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "process_material", PROPERTY_HINT_RESOURCE_TYPE, "ShaderMaterial,ParticlesMaterial"), "set_process_material", "get_process_material"); ADD_GROUP("Textures", ""); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture2D"), "set_texture", "get_texture"); BIND_ENUM_CONSTANT(DRAW_ORDER_INDEX); BIND_ENUM_CONSTANT(DRAW_ORDER_LIFETIME); BIND_ENUM_CONSTANT(DRAW_ORDER_REVERSE_LIFETIME); } GPUParticles2D::GPUParticles2D() { particles = RS::get_singleton()->particles_create(); RS::get_singleton()->particles_set_mode(particles, RS::PARTICLES_MODE_2D); mesh = RS::get_singleton()->mesh_create(); RS::get_singleton()->particles_set_draw_passes(particles, 1); RS::get_singleton()->particles_set_draw_pass_mesh(particles, 0, mesh); one_shot = false; // Needed so that set_emitting doesn't access uninitialized values set_emitting(true); set_one_shot(false); set_amount(8); set_lifetime(1); set_fixed_fps(0); set_fractional_delta(true); set_pre_process_time(0); set_explosiveness_ratio(0); set_randomness_ratio(0); set_visibility_rect(Rect2(Vector2(-100, -100), Vector2(200, 200))); set_use_local_coordinates(true); set_draw_order(DRAW_ORDER_LIFETIME); set_speed_scale(1); set_fixed_fps(30); set_collision_base_size(collision_base_size); } GPUParticles2D::~GPUParticles2D() { RS::get_singleton()->free(particles); RS::get_singleton()->free(mesh); }