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Diffstat (limited to 'scene/2d/cpu_particles_2d.cpp')
| -rw-r--r-- | scene/2d/cpu_particles_2d.cpp | 1419 |
1 files changed, 1419 insertions, 0 deletions
diff --git a/scene/2d/cpu_particles_2d.cpp b/scene/2d/cpu_particles_2d.cpp new file mode 100644 index 0000000000..4fc2282ae7 --- /dev/null +++ b/scene/2d/cpu_particles_2d.cpp @@ -0,0 +1,1419 @@ +/*************************************************************************/ +/* cpu_particles_2d.cpp */ +/*************************************************************************/ +/* This file is part of: */ +/* GODOT ENGINE */ +/* https://godotengine.org */ +/*************************************************************************/ +/* Copyright (c) 2007-2018 Juan Linietsky, Ariel Manzur. */ +/* Copyright (c) 2014-2018 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 "cpu_particles_2d.h" +#include "particles_2d.h" +#include "scene/2d/canvas_item.h" +#include "scene/resources/particles_material.h" +#include "servers/visual_server.h" + +void CPUParticles2D::set_emitting(bool p_emitting) { + + emitting = p_emitting; + if (!is_processing_internal()) { + set_process_internal(true); + if (is_inside_tree()) { +#ifndef NO_THREADS + update_mutex->lock(); +#endif + VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread"); + VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true); + +#ifndef NO_THREADS + update_mutex->unlock(); +#endif + } + } +} + +void CPUParticles2D::set_amount(int p_amount) { + + ERR_FAIL_COND(p_amount < 1); + + particles.resize(p_amount); + { + PoolVector<Particle>::Write w = particles.write(); + + for (int i = 0; i < p_amount; i++) { + w[i].active = false; + } + } + + particle_data.resize((8 + 4 + 1) * p_amount); + VS::get_singleton()->multimesh_allocate(multimesh, p_amount, VS::MULTIMESH_TRANSFORM_2D, VS::MULTIMESH_COLOR_8BIT, VS::MULTIMESH_CUSTOM_DATA_FLOAT); + + particle_order.resize(p_amount); +} +void CPUParticles2D::set_lifetime(float p_lifetime) { + + ERR_FAIL_COND(p_lifetime <= 0); + lifetime = p_lifetime; +} + +void CPUParticles2D::set_one_shot(bool p_one_shot) { + + one_shot = p_one_shot; +} + +void CPUParticles2D::set_pre_process_time(float p_time) { + + pre_process_time = p_time; +} +void CPUParticles2D::set_explosiveness_ratio(float p_ratio) { + + explosiveness_ratio = p_ratio; +} +void CPUParticles2D::set_randomness_ratio(float p_ratio) { + + randomness_ratio = p_ratio; +} +void CPUParticles2D::set_use_local_coordinates(bool p_enable) { + + local_coords = p_enable; +} +void CPUParticles2D::set_speed_scale(float p_scale) { + + speed_scale = p_scale; +} + +bool CPUParticles2D::is_emitting() const { + + return emitting; +} +int CPUParticles2D::get_amount() const { + + return particles.size(); +} +float CPUParticles2D::get_lifetime() const { + + return lifetime; +} +bool CPUParticles2D::get_one_shot() const { + + return one_shot; +} + +float CPUParticles2D::get_pre_process_time() const { + + return pre_process_time; +} +float CPUParticles2D::get_explosiveness_ratio() const { + + return explosiveness_ratio; +} +float CPUParticles2D::get_randomness_ratio() const { + + return randomness_ratio; +} + +bool CPUParticles2D::get_use_local_coordinates() const { + + return local_coords; +} + +float CPUParticles2D::get_speed_scale() const { + + return speed_scale; +} + +void CPUParticles2D::set_draw_order(DrawOrder p_order) { + + draw_order = p_order; +} + +CPUParticles2D::DrawOrder CPUParticles2D::get_draw_order() const { + + return draw_order; +} + +void CPUParticles2D::_update_mesh_texture() { + + Size2 tex_size; + if (texture.is_valid()) { + tex_size = texture->get_size(); + } else { + tex_size = Size2(1, 1); + } + PoolVector<Vector2> vertices; + vertices.push_back(-tex_size * 0.5); + vertices.push_back(-tex_size * 0.5 + Vector2(tex_size.x, 0)); + vertices.push_back(-tex_size * 0.5 + Vector2(tex_size.x, tex_size.y)); + vertices.push_back(-tex_size * 0.5 + Vector2(0, tex_size.y)); + PoolVector<Vector2> uvs; + uvs.push_back(Vector2(0, 0)); + uvs.push_back(Vector2(1, 0)); + uvs.push_back(Vector2(1, 1)); + uvs.push_back(Vector2(0, 1)); + PoolVector<Color> colors; + colors.push_back(Color(1, 1, 1, 1)); + colors.push_back(Color(1, 1, 1, 1)); + colors.push_back(Color(1, 1, 1, 1)); + colors.push_back(Color(1, 1, 1, 1)); + PoolVector<int> indices; + indices.push_back(0); + indices.push_back(1); + indices.push_back(2); + indices.push_back(2); + indices.push_back(3); + indices.push_back(0); + + Array arr; + arr.resize(VS::ARRAY_MAX); + arr[VS::ARRAY_VERTEX] = vertices; + arr[VS::ARRAY_TEX_UV] = uvs; + arr[VS::ARRAY_COLOR] = colors; + arr[VS::ARRAY_INDEX] = indices; + + VS::get_singleton()->mesh_clear(mesh); + VS::get_singleton()->mesh_add_surface_from_arrays(mesh, VS::PRIMITIVE_TRIANGLES, arr); +} + +void CPUParticles2D::set_texture(const Ref<Texture> &p_texture) { + + texture = p_texture; + update(); + _update_mesh_texture(); +} + +Ref<Texture> CPUParticles2D::get_texture() const { + + return texture; +} + +void CPUParticles2D::set_normalmap(const Ref<Texture> &p_normalmap) { + + normalmap = p_normalmap; + update(); +} + +Ref<Texture> CPUParticles2D::get_normalmap() const { + + return normalmap; +} + +void CPUParticles2D::set_fixed_fps(int p_count) { + fixed_fps = p_count; +} + +int CPUParticles2D::get_fixed_fps() const { + return fixed_fps; +} + +void CPUParticles2D::set_fractional_delta(bool p_enable) { + fractional_delta = p_enable; +} + +bool CPUParticles2D::get_fractional_delta() const { + return fractional_delta; +} + +String CPUParticles2D::get_configuration_warning() const { + + String warnings; + + CanvasItemMaterial *mat = Object::cast_to<CanvasItemMaterial>(get_material().ptr()); + + if (get_material().is_null() || (mat && !mat->get_particles_animation())) { + if (get_param(PARAM_ANIM_SPEED) != 0.0 || get_param(PARAM_ANIM_OFFSET) != 0.0 || + get_param_curve(PARAM_ANIM_SPEED).is_valid() || get_param_curve(PARAM_ANIM_OFFSET).is_valid()) { + if (warnings != String()) + warnings += "\n"; + warnings += "- " + TTR("CPUParticles2D animation requires the usage of a CanvasItemMaterial with \"Particles Animation\" enabled."); + } + } + + return warnings; +} + +void CPUParticles2D::restart() { + + time = 0; + inactive_time = 0; + frame_remainder = 0; + cycle = 0; + + { + int pc = particles.size(); + PoolVector<Particle>::Write w = particles.write(); + + for (int i = 0; i < pc; i++) { + w[i].active = false; + } + } +} + +void CPUParticles2D::set_spread(float p_spread) { + + spread = p_spread; +} + +float CPUParticles2D::get_spread() const { + + return spread; +} + +void CPUParticles2D::set_flatness(float p_flatness) { + + flatness = p_flatness; +} +float CPUParticles2D::get_flatness() const { + + return flatness; +} + +void CPUParticles2D::set_param(Parameter p_param, float p_value) { + + ERR_FAIL_INDEX(p_param, PARAM_MAX); + + parameters[p_param] = p_value; +} +float CPUParticles2D::get_param(Parameter p_param) const { + + ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0); + + return parameters[p_param]; +} + +void CPUParticles2D::set_param_randomness(Parameter p_param, float p_value) { + + ERR_FAIL_INDEX(p_param, PARAM_MAX); + + randomness[p_param] = p_value; +} +float CPUParticles2D::get_param_randomness(Parameter p_param) const { + + ERR_FAIL_INDEX_V(p_param, PARAM_MAX, 0); + + return randomness[p_param]; +} + +static void _adjust_curve_range(const Ref<Curve> &p_curve, float p_min, float p_max) { + + Ref<Curve> curve = p_curve; + if (!curve.is_valid()) + return; + + curve->ensure_default_setup(p_min, p_max); +} + +void CPUParticles2D::set_param_curve(Parameter p_param, const Ref<Curve> &p_curve) { + + ERR_FAIL_INDEX(p_param, PARAM_MAX); + + curve_parameters[p_param] = p_curve; + + switch (p_param) { + case PARAM_INITIAL_LINEAR_VELOCITY: { + //do none for this one + } break; + case PARAM_ANGULAR_VELOCITY: { + _adjust_curve_range(p_curve, -360, 360); + } break; + /*case PARAM_ORBIT_VELOCITY: { + _adjust_curve_range(p_curve, -500, 500); + } break;*/ + case PARAM_LINEAR_ACCEL: { + _adjust_curve_range(p_curve, -200, 200); + } break; + case PARAM_RADIAL_ACCEL: { + _adjust_curve_range(p_curve, -200, 200); + } break; + case PARAM_TANGENTIAL_ACCEL: { + _adjust_curve_range(p_curve, -200, 200); + } break; + case PARAM_DAMPING: { + _adjust_curve_range(p_curve, 0, 100); + } break; + case PARAM_ANGLE: { + _adjust_curve_range(p_curve, -360, 360); + } break; + case PARAM_SCALE: { + + } break; + case PARAM_HUE_VARIATION: { + _adjust_curve_range(p_curve, -1, 1); + } break; + case PARAM_ANIM_SPEED: { + _adjust_curve_range(p_curve, 0, 200); + } break; + case PARAM_ANIM_OFFSET: { + } break; + default: {} + } +} +Ref<Curve> CPUParticles2D::get_param_curve(Parameter p_param) const { + + ERR_FAIL_INDEX_V(p_param, PARAM_MAX, Ref<Curve>()); + + return curve_parameters[p_param]; +} + +void CPUParticles2D::set_color(const Color &p_color) { + + color = p_color; +} + +Color CPUParticles2D::get_color() const { + + return color; +} + +void CPUParticles2D::set_color_ramp(const Ref<Gradient> &p_ramp) { + + color_ramp = p_ramp; +} + +Ref<Gradient> CPUParticles2D::get_color_ramp() const { + + return color_ramp; +} + +void CPUParticles2D::set_particle_flag(Flags p_flag, bool p_enable) { + ERR_FAIL_INDEX(p_flag, FLAG_MAX); + flags[p_flag] = p_enable; +} + +bool CPUParticles2D::get_particle_flag(Flags p_flag) const { + ERR_FAIL_INDEX_V(p_flag, FLAG_MAX, false); + return flags[p_flag]; +} + +void CPUParticles2D::set_emission_shape(EmissionShape p_shape) { + + emission_shape = p_shape; + _change_notify(); +} + +void CPUParticles2D::set_emission_sphere_radius(float p_radius) { + + emission_sphere_radius = p_radius; +} + +void CPUParticles2D::set_emission_rect_extents(Vector2 p_extents) { + + emission_rect_extents = p_extents; +} + +void CPUParticles2D::set_emission_points(const PoolVector<Vector2> &p_points) { + + emission_points = p_points; +} + +void CPUParticles2D::set_emission_normals(const PoolVector<Vector2> &p_normals) { + + emission_normals = p_normals; +} + +void CPUParticles2D::set_emission_colors(const PoolVector<Color> &p_colors) { + + emission_colors = p_colors; +} + +float CPUParticles2D::get_emission_sphere_radius() const { + + return emission_sphere_radius; +} +Vector2 CPUParticles2D::get_emission_rect_extents() const { + + return emission_rect_extents; +} +PoolVector<Vector2> CPUParticles2D::get_emission_points() const { + + return emission_points; +} +PoolVector<Vector2> CPUParticles2D::get_emission_normals() const { + + return emission_normals; +} + +PoolVector<Color> CPUParticles2D::get_emission_colors() const { + + return emission_colors; +} + +CPUParticles2D::EmissionShape CPUParticles2D::get_emission_shape() const { + return emission_shape; +} +void CPUParticles2D::set_gravity(const Vector2 &p_gravity) { + + gravity = p_gravity; +} + +Vector2 CPUParticles2D::get_gravity() const { + + return gravity; +} + +void CPUParticles2D::_validate_property(PropertyInfo &property) const { + + if (property.name == "color" && color_ramp.is_valid()) { + property.usage = 0; + } + + if (property.name == "emission_sphere_radius" && emission_shape != EMISSION_SHAPE_CIRCLE) { + property.usage = 0; + } + + if (property.name == "emission_rect_extents" && emission_shape != EMISSION_SHAPE_RECTANGLE) { + property.usage = 0; + } + + if ((property.name == "emission_point_texture" || property.name == "emission_color_texture") && (emission_shape < EMISSION_SHAPE_POINTS)) { + property.usage = 0; + } + + if (property.name == "emission_normals" && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) { + property.usage = 0; + } + + if (property.name == "emission_points" && emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) { + property.usage = 0; + } + + if (property.name == "emission_colors" && emission_shape != EMISSION_SHAPE_POINTS && emission_shape != EMISSION_SHAPE_DIRECTED_POINTS) { + property.usage = 0; + } + + /* + if (property.name.begins_with("orbit_") && !flags[FLAG_DISABLE_Z]) { + property.usage = 0; + } + */ +} + +static uint32_t idhash(uint32_t x) { + + x = ((x >> uint32_t(16)) ^ x) * uint32_t(0x45d9f3b); + x = ((x >> uint32_t(16)) ^ x) * uint32_t(0x45d9f3b); + x = (x >> uint32_t(16)) ^ x; + return x; +} + +static float rand_from_seed(uint32_t &seed) { + int k; + int s = int(seed); + if (s == 0) + s = 305420679; + k = s / 127773; + s = 16807 * (s - k * 127773) - 2836 * k; + if (s < 0) + s += 2147483647; + seed = uint32_t(s); + return float(seed % uint32_t(65536)) / 65535.0; +} + +void CPUParticles2D::_particles_process(float p_delta) { + + p_delta *= speed_scale; + + int pcount = particles.size(); + PoolVector<Particle>::Write w = particles.write(); + + Particle *parray = w.ptr(); + + float prev_time = time; + time += p_delta; + if (time > lifetime) { + time = Math::fmod(time, lifetime); + cycle++; + if (one_shot && cycle > 0) { + emitting = false; + } + } + + Transform2D emission_xform; + Transform2D velocity_xform; + if (!local_coords) { + emission_xform = get_global_transform(); + velocity_xform = emission_xform; + velocity_xform[2] = Vector2(); + } + + for (int i = 0; i < pcount; i++) { + + Particle &p = parray[i]; + + if (!emitting && !p.active) + continue; + + float restart_time = (float(i) / float(pcount)) * lifetime; + float local_delta = p_delta; + + if (randomness_ratio > 0.0) { + uint32_t seed = cycle; + if (restart_time >= time) { + seed -= uint32_t(1); + } + seed *= uint32_t(pcount); + seed += uint32_t(i); + float random = float(idhash(seed) % uint32_t(65536)) / 65536.0; + restart_time += randomness_ratio * random * 1.0 / float(pcount); + } + + restart_time *= (1.0 - explosiveness_ratio); + bool restart = false; + + if (time > prev_time) { + // restart_time >= prev_time is used so particles emit in the first frame they are processed + + if (restart_time >= prev_time && restart_time < time) { + restart = true; + if (fractional_delta) { + local_delta = (time - restart_time) * lifetime; + } + } + + } else if (local_delta > 0.0) { + if (restart_time >= prev_time) { + restart = true; + if (fractional_delta) { + local_delta = (1.0 - restart_time + time) * lifetime; + } + + } else if (restart_time < time) { + restart = true; + if (fractional_delta) { + local_delta = (time - restart_time) * lifetime; + } + } + } + + if (restart) { + + if (!emitting) { + p.active = false; + continue; + } + p.active = true; + + /*float tex_linear_velocity = 0; + if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(0); + }*/ + + float tex_angle = 0.0; + if (curve_parameters[PARAM_ANGLE].is_valid()) { + tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(0); + } + + float tex_anim_offset = 0.0; + if (curve_parameters[PARAM_ANGLE].is_valid()) { + tex_anim_offset = curve_parameters[PARAM_ANGLE]->interpolate(0); + } + + p.seed = Math::rand(); + + p.angle_rand = Math::randf(); + p.scale_rand = Math::randf(); + p.hue_rot_rand = Math::randf(); + p.anim_offset_rand = Math::randf(); + + float angle1_rad = (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0; + Vector2 rot = Vector2(Math::cos(angle1_rad), Math::sin(angle1_rad)); + p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp(1.0f, float(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]); + + float base_angle = (parameters[PARAM_ANGLE] + tex_angle) * Math::lerp(1.0f, p.angle_rand, randomness[PARAM_ANGLE]); + p.rotation = Math::deg2rad(base_angle); + + p.custom[0] = 0.0; // unused + p.custom[1] = 0.0; // phase [0..1] + p.custom[2] = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp(1.0f, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]); //animation phase [0..1] + p.custom[3] = 0.0; + p.transform = Transform2D(); + p.time = 0; + p.base_color = Color(1, 1, 1, 1); + + switch (emission_shape) { + case EMISSION_SHAPE_POINT: { + //do none + } break; + case EMISSION_SHAPE_CIRCLE: { + p.transform[2] = Vector2(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0).normalized() * emission_sphere_radius; + } break; + case EMISSION_SHAPE_RECTANGLE: { + p.transform[2] = Vector2(Math::randf() * 2.0 - 1.0, Math::randf() * 2.0 - 1.0) * emission_rect_extents; + } break; + case EMISSION_SHAPE_POINTS: + case EMISSION_SHAPE_DIRECTED_POINTS: { + + int pc = emission_points.size(); + if (pc == 0) + break; + + int random_idx = Math::rand() % pc; + + p.transform[2] = emission_points.get(random_idx); + + if (emission_shape == EMISSION_SHAPE_DIRECTED_POINTS && emission_normals.size() == pc) { + p.velocity = emission_normals.get(random_idx); + } + + if (emission_colors.size() == pc) { + p.base_color = emission_colors.get(random_idx); + } + } break; + } + + if (!local_coords) { + p.velocity = velocity_xform.xform(p.velocity); + p.transform = emission_xform * p.transform; + } + + } else if (!p.active) { + continue; + } else { + + uint32_t alt_seed = p.seed; + + p.time += local_delta; + p.custom[1] = p.time / lifetime; + + float tex_linear_velocity = 0.0; + if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + tex_linear_velocity = curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY]->interpolate(p.custom[1]); + } + /* + float tex_orbit_velocity = 0.0; + + if (flags[FLAG_DISABLE_Z]) { + + if (curve_parameters[PARAM_INITIAL_ORBIT_VELOCITY].is_valid()) { + tex_orbit_velocity = curve_parameters[PARAM_INITIAL_ORBIT_VELOCITY]->interpolate(p.custom[1]); + } + } +*/ + float tex_angular_velocity = 0.0; + if (curve_parameters[PARAM_ANGULAR_VELOCITY].is_valid()) { + tex_angular_velocity = curve_parameters[PARAM_ANGULAR_VELOCITY]->interpolate(p.custom[1]); + } + + float tex_linear_accel = 0.0; + if (curve_parameters[PARAM_LINEAR_ACCEL].is_valid()) { + tex_linear_accel = curve_parameters[PARAM_LINEAR_ACCEL]->interpolate(p.custom[1]); + } + + float tex_tangential_accel = 0.0; + if (curve_parameters[PARAM_TANGENTIAL_ACCEL].is_valid()) { + tex_tangential_accel = curve_parameters[PARAM_TANGENTIAL_ACCEL]->interpolate(p.custom[1]); + } + + float tex_radial_accel = 0.0; + if (curve_parameters[PARAM_RADIAL_ACCEL].is_valid()) { + tex_radial_accel = curve_parameters[PARAM_RADIAL_ACCEL]->interpolate(p.custom[1]); + } + + float tex_damping = 0.0; + if (curve_parameters[PARAM_DAMPING].is_valid()) { + tex_damping = curve_parameters[PARAM_DAMPING]->interpolate(p.custom[1]); + } + + float tex_angle = 0.0; + if (curve_parameters[PARAM_ANGLE].is_valid()) { + tex_angle = curve_parameters[PARAM_ANGLE]->interpolate(p.custom[1]); + } + float tex_anim_speed = 0.0; + if (curve_parameters[PARAM_ANIM_SPEED].is_valid()) { + tex_anim_speed = curve_parameters[PARAM_ANIM_SPEED]->interpolate(p.custom[1]); + } + + float tex_anim_offset = 0.0; + if (curve_parameters[PARAM_ANIM_OFFSET].is_valid()) { + tex_anim_offset = curve_parameters[PARAM_ANIM_OFFSET]->interpolate(p.custom[1]); + } + + Vector2 force = gravity; + Vector2 pos = p.transform[2]; + + //apply linear acceleration + force += p.velocity.length() > 0.0 ? p.velocity.normalized() * (parameters[PARAM_LINEAR_ACCEL] + tex_linear_accel) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_LINEAR_ACCEL]) : Vector2(); + //apply radial acceleration + Vector2 org = emission_xform[2]; + Vector2 diff = pos - org; + force += diff.length() > 0.0 ? diff.normalized() * (parameters[PARAM_RADIAL_ACCEL] + tex_radial_accel) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_RADIAL_ACCEL]) : Vector2(); + //apply tangential acceleration; + Vector2 yx = Vector2(diff.y, diff.x); + force += yx.length() > 0.0 ? (yx * Vector2(-1.0, 1.0)) * ((parameters[PARAM_TANGENTIAL_ACCEL] + tex_tangential_accel) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_TANGENTIAL_ACCEL])) : Vector2(); + //apply attractor forces + p.velocity += force * local_delta; + //orbit velocity +#if 0 + if (flags[FLAG_DISABLE_Z]) { + + float orbit_amount = (orbit_velocity + tex_orbit_velocity) * mix(1.0, rand_from_seed(alt_seed), orbit_velocity_random); + if (orbit_amount != 0.0) { + float ang = orbit_amount * DELTA * pi * 2.0; + mat2 rot = mat2(vec2(cos(ang), -sin(ang)), vec2(sin(ang), cos(ang))); + TRANSFORM[3].xy -= diff.xy; + TRANSFORM[3].xy += rot * diff.xy; + } + } +#endif + if (curve_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) { + p.velocity = p.velocity.normalized() * tex_linear_velocity; + } + + if (parameters[PARAM_DAMPING] + tex_damping > 0.0) { + + float v = p.velocity.length(); + float damp = (parameters[PARAM_DAMPING] + tex_damping) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_DAMPING]); + v -= damp * local_delta; + if (v < 0.0) { + p.velocity = Vector2(); + } else { + p.velocity = p.velocity.normalized() * v; + } + } + float base_angle = (parameters[PARAM_ANGLE] + tex_angle) * Math::lerp(1.0f, p.angle_rand, randomness[PARAM_ANGLE]); + base_angle += p.custom[1] * lifetime * (parameters[PARAM_ANGULAR_VELOCITY] + tex_angular_velocity) * Math::lerp(1.0f, rand_from_seed(alt_seed) * 2.0f - 1.0f, randomness[PARAM_ANGULAR_VELOCITY]); + p.rotation = Math::deg2rad(base_angle); //angle + float animation_phase = (parameters[PARAM_ANIM_OFFSET] + tex_anim_offset) * Math::lerp(1.0f, p.anim_offset_rand, randomness[PARAM_ANIM_OFFSET]) + p.custom[1] * (parameters[PARAM_ANIM_SPEED] + tex_anim_speed) * Math::lerp(1.0f, rand_from_seed(alt_seed), randomness[PARAM_ANIM_SPEED]); + p.custom[2] = animation_phase; + } + //apply color + //apply hue rotation + + float tex_scale = 1.0; + if (curve_parameters[PARAM_SCALE].is_valid()) { + tex_scale = curve_parameters[PARAM_SCALE]->interpolate(p.custom[1]); + } + + float tex_hue_variation = 0.0; + if (curve_parameters[PARAM_HUE_VARIATION].is_valid()) { + tex_hue_variation = curve_parameters[PARAM_HUE_VARIATION]->interpolate(p.custom[1]); + } + + float hue_rot_angle = (parameters[PARAM_HUE_VARIATION] + tex_hue_variation) * Math_PI * 2.0 * Math::lerp(1.0f, p.hue_rot_rand * 2.0f - 1.0f, randomness[PARAM_HUE_VARIATION]); + float hue_rot_c = Math::cos(hue_rot_angle); + float hue_rot_s = Math::sin(hue_rot_angle); + + Basis hue_rot_mat; + { + Basis mat1(0.299, 0.587, 0.114, 0.299, 0.587, 0.114, 0.299, 0.587, 0.114); + Basis mat2(0.701, -0.587, -0.114, -0.299, 0.413, -0.114, -0.300, -0.588, 0.886); + Basis mat3(0.168, 0.330, -0.497, -0.328, 0.035, 0.292, 1.250, -1.050, -0.203); + + for (int j = 0; j < 3; j++) { + hue_rot_mat[j] = mat1[j] + mat2[j] * hue_rot_c + mat3[j] * hue_rot_s; + } + } + + if (color_ramp.is_valid()) { + p.color = color_ramp->get_color_at_offset(p.custom[1]) * color; + } else { + p.color = color; + } + + Vector3 color_rgb = hue_rot_mat.xform_inv(Vector3(p.color.r, p.color.g, p.color.b)); + p.color.r = color_rgb.x; + p.color.g = color_rgb.y; + p.color.b = color_rgb.z; + + p.color *= p.base_color; + + if (flags[FLAG_ALIGN_Y_TO_VELOCITY]) { + if (p.velocity.length() > 0.0) { + + p.transform.elements[0] = p.velocity.normalized(); + p.transform.elements[0] = p.transform.elements[1].tangent(); + } + + } else { + p.transform.elements[0] = Vector2(Math::cos(p.rotation), -Math::sin(p.rotation)); + p.transform.elements[1] = Vector2(Math::sin(p.rotation), Math::cos(p.rotation)); + } + + //scale by scale + float base_scale = Math::lerp(parameters[PARAM_SCALE] * tex_scale, 1.0f, p.scale_rand * randomness[PARAM_SCALE]); + if (base_scale == 0.0) base_scale = 0.000001; + + p.transform.elements[0] *= base_scale; + p.transform.elements[1] *= base_scale; + + p.transform[2] += p.velocity * local_delta; + } +} + +void CPUParticles2D::_update_particle_data_buffer() { +#ifndef NO_THREADS + update_mutex->lock(); +#endif + + { + + int pc = particles.size(); + + PoolVector<int>::Write ow; + int *order = NULL; + + PoolVector<float>::Write w = particle_data.write(); + PoolVector<Particle>::Read r = particles.read(); + float *ptr = w.ptr(); + + Transform2D un_transform; + if (!local_coords) { + un_transform = get_global_transform().affine_inverse(); + } + + if (draw_order != DRAW_ORDER_INDEX) { + ow = particle_order.write(); + order = ow.ptr(); + + for (int i = 0; i < pc; i++) { + order[i] = i; + } + if (draw_order == DRAW_ORDER_LIFETIME) { + SortArray<int, SortLifetime> sorter; + sorter.compare.particles = r.ptr(); + sorter.sort(order, pc); + } + } + + for (int i = 0; i < pc; i++) { + + int idx = order ? order[i] : i; + + Transform2D t = r[idx].transform; + + if (!local_coords) { + t = un_transform * t; + } + + if (r[idx].active) { + + ptr[0] = t.elements[0][0]; + ptr[1] = t.elements[1][0]; + ptr[2] = 0; + ptr[3] = t.elements[2][0]; + ptr[4] = t.elements[0][1]; + ptr[5] = t.elements[1][1]; + ptr[6] = 0; + ptr[7] = t.elements[2][1]; + + } else { + zeromem(ptr, sizeof(float) * 8); + } + + Color c = r[idx].color; + uint8_t *data8 = (uint8_t *)&ptr[8]; + data8[0] = CLAMP(c.r * 255.0, 0, 255); + data8[1] = CLAMP(c.g * 255.0, 0, 255); + data8[2] = CLAMP(c.b * 255.0, 0, 255); + data8[3] = CLAMP(c.a * 255.0, 0, 255); + + ptr[9] = r[idx].custom[0]; + ptr[10] = r[idx].custom[1]; + ptr[11] = r[idx].custom[2]; + ptr[12] = r[idx].custom[3]; + + ptr += 13; + } + } + +#ifndef NO_THREADS + update_mutex->unlock(); +#endif +} + +void CPUParticles2D::_update_render_thread() { + +#ifndef NO_THREADS + update_mutex->lock(); +#endif + + VS::get_singleton()->multimesh_set_as_bulk_array(multimesh, particle_data); + +#ifndef NO_THREADS + update_mutex->unlock(); +#endif +} + +void CPUParticles2D::_notification(int p_what) { + + if (p_what == NOTIFICATION_ENTER_TREE) { + if (is_processing_internal()) { + +#ifndef NO_THREADS + update_mutex->lock(); +#endif + VS::get_singleton()->connect("frame_pre_draw", this, "_update_render_thread"); + VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), true); + +#ifndef NO_THREADS + update_mutex->unlock(); +#endif + } + } + + if (p_what == NOTIFICATION_EXIT_TREE) { + if (is_processing_internal()) { + +#ifndef NO_THREADS + update_mutex->lock(); +#endif + VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread"); + VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false); +#ifndef NO_THREADS + update_mutex->unlock(); +#endif + } + } + + if (p_what == NOTIFICATION_PAUSED || p_what == NOTIFICATION_UNPAUSED) { + } + + if (p_what == NOTIFICATION_DRAW) { + + RID texrid; + if (texture.is_valid()) { + texrid = texture->get_rid(); + } + + RID normrid; + if (normalmap.is_valid()) { + normrid = normalmap->get_rid(); + } + + VS::get_singleton()->canvas_item_add_multimesh(get_canvas_item(), multimesh, texrid, normrid); + } + + if (p_what == NOTIFICATION_INTERNAL_PROCESS) { + + if (particles.size() == 0 || !is_visible_in_tree()) + return; + + float delta = get_process_delta_time(); + if (emitting) { + + inactive_time = 0; + } else { + inactive_time += delta; + if (inactive_time > lifetime * 1.2) { + set_process_internal(false); +#ifndef NO_THREADS + update_mutex->lock(); +#endif + VS::get_singleton()->disconnect("frame_pre_draw", this, "_update_render_thread"); + VS::get_singleton()->canvas_item_set_update_when_visible(get_canvas_item(), false); + +#ifndef NO_THREADS + update_mutex->unlock(); +#endif + //reset variables + time = 0; + inactive_time = 0; + frame_remainder = 0; + cycle = 0; + return; + } + } + + if (time == 0 && pre_process_time > 0.0) { + + float frame_time; + if (fixed_fps > 0) + frame_time = 1.0 / fixed_fps; + else + frame_time = 1.0 / 30.0; + + float todo = pre_process_time; + + while (todo >= 0) { + _particles_process(frame_time); + todo -= frame_time; + } + } + + if (fixed_fps > 0) { + float frame_time = 1.0 / fixed_fps; + float decr = frame_time; + + float ldelta = delta; + if (ldelta > 0.1) { //avoid recursive stalls if fps goes below 10 + ldelta = 0.1; + } else if (ldelta <= 0.0) { //unlikely but.. + ldelta = 0.001; + } + float todo = frame_remainder + ldelta; + + while (todo >= frame_time) { + _particles_process(frame_time); + todo -= decr; + } + + frame_remainder = todo; + + } else { + _particles_process(delta); + } + + _update_particle_data_buffer(); + } +} + +void CPUParticles2D::convert_from_particles(Node *p_particles) { + Particles2D *particles = Object::cast_to<Particles2D>(p_particles); + ERR_FAIL_COND(!particles); + + set_emitting(particles->is_emitting()); + set_amount(particles->get_amount()); + set_lifetime(particles->get_lifetime()); + set_one_shot(particles->get_one_shot()); + set_pre_process_time(particles->get_pre_process_time()); + set_explosiveness_ratio(particles->get_explosiveness_ratio()); + set_randomness_ratio(particles->get_randomness_ratio()); + set_use_local_coordinates(particles->get_use_local_coordinates()); + set_fixed_fps(particles->get_fixed_fps()); + set_fractional_delta(particles->get_fractional_delta()); + set_speed_scale(particles->get_speed_scale()); + set_draw_order(DrawOrder(particles->get_draw_order())); + set_texture(particles->get_texture()); + + Ref<Material> mat = particles->get_material(); + if (mat.is_valid()) { + set_material(mat); + } + + Ref<ParticlesMaterial> material = particles->get_process_material(); + if (material.is_null()) + return; + + set_spread(material->get_spread()); + set_flatness(material->get_flatness()); + + set_color(material->get_color()); + + Ref<GradientTexture> gt = material->get_color_ramp(); + if (gt.is_valid()) { + set_color_ramp(gt->get_gradient()); + } + + set_particle_flag(FLAG_ALIGN_Y_TO_VELOCITY, material->get_flag(ParticlesMaterial::FLAG_ALIGN_Y_TO_VELOCITY)); + + set_emission_shape(EmissionShape(material->get_emission_shape())); + set_emission_sphere_radius(material->get_emission_sphere_radius()); + Vector2 rect_extents = Vector2(material->get_emission_box_extents().x, material->get_emission_box_extents().y); + set_emission_rect_extents(rect_extents); + + Vector2 gravity = Vector2(material->get_gravity().x, material->get_gravity().y); + set_gravity(gravity); + +#define CONVERT_PARAM(m_param) \ + set_param(m_param, material->get_param(ParticlesMaterial::m_param)); \ + { \ + Ref<CurveTexture> ctex = material->get_param_texture(ParticlesMaterial::m_param); \ + if (ctex.is_valid()) set_param_curve(m_param, ctex->get_curve()); \ + } \ + set_param_randomness(m_param, material->get_param_randomness(ParticlesMaterial::m_param)); + + CONVERT_PARAM(PARAM_INITIAL_LINEAR_VELOCITY); + CONVERT_PARAM(PARAM_ANGULAR_VELOCITY); + CONVERT_PARAM(PARAM_ORBIT_VELOCITY); + CONVERT_PARAM(PARAM_LINEAR_ACCEL); + CONVERT_PARAM(PARAM_RADIAL_ACCEL); + CONVERT_PARAM(PARAM_TANGENTIAL_ACCEL); + CONVERT_PARAM(PARAM_DAMPING); + CONVERT_PARAM(PARAM_ANGLE); + CONVERT_PARAM(PARAM_SCALE); + CONVERT_PARAM(PARAM_HUE_VARIATION); + CONVERT_PARAM(PARAM_ANIM_SPEED); + CONVERT_PARAM(PARAM_ANIM_OFFSET); + +#undef CONVERT_PARAM +} + +void CPUParticles2D::_bind_methods() { + + ClassDB::bind_method(D_METHOD("set_emitting", "emitting"), &CPUParticles2D::set_emitting); + ClassDB::bind_method(D_METHOD("set_amount", "amount"), &CPUParticles2D::set_amount); + ClassDB::bind_method(D_METHOD("set_lifetime", "secs"), &CPUParticles2D::set_lifetime); + ClassDB::bind_method(D_METHOD("set_one_shot", "enable"), &CPUParticles2D::set_one_shot); + ClassDB::bind_method(D_METHOD("set_pre_process_time", "secs"), &CPUParticles2D::set_pre_process_time); + ClassDB::bind_method(D_METHOD("set_explosiveness_ratio", "ratio"), &CPUParticles2D::set_explosiveness_ratio); + ClassDB::bind_method(D_METHOD("set_randomness_ratio", "ratio"), &CPUParticles2D::set_randomness_ratio); + ClassDB::bind_method(D_METHOD("set_use_local_coordinates", "enable"), &CPUParticles2D::set_use_local_coordinates); + ClassDB::bind_method(D_METHOD("set_fixed_fps", "fps"), &CPUParticles2D::set_fixed_fps); + ClassDB::bind_method(D_METHOD("set_fractional_delta", "enable"), &CPUParticles2D::set_fractional_delta); + ClassDB::bind_method(D_METHOD("set_speed_scale", "scale"), &CPUParticles2D::set_speed_scale); + + ClassDB::bind_method(D_METHOD("is_emitting"), &CPUParticles2D::is_emitting); + ClassDB::bind_method(D_METHOD("get_amount"), &CPUParticles2D::get_amount); + ClassDB::bind_method(D_METHOD("get_lifetime"), &CPUParticles2D::get_lifetime); + ClassDB::bind_method(D_METHOD("get_one_shot"), &CPUParticles2D::get_one_shot); + ClassDB::bind_method(D_METHOD("get_pre_process_time"), &CPUParticles2D::get_pre_process_time); + ClassDB::bind_method(D_METHOD("get_explosiveness_ratio"), &CPUParticles2D::get_explosiveness_ratio); + ClassDB::bind_method(D_METHOD("get_randomness_ratio"), &CPUParticles2D::get_randomness_ratio); + ClassDB::bind_method(D_METHOD("get_use_local_coordinates"), &CPUParticles2D::get_use_local_coordinates); + ClassDB::bind_method(D_METHOD("get_fixed_fps"), &CPUParticles2D::get_fixed_fps); + ClassDB::bind_method(D_METHOD("get_fractional_delta"), &CPUParticles2D::get_fractional_delta); + ClassDB::bind_method(D_METHOD("get_speed_scale"), &CPUParticles2D::get_speed_scale); + + ClassDB::bind_method(D_METHOD("set_draw_order", "order"), &CPUParticles2D::set_draw_order); + + ClassDB::bind_method(D_METHOD("get_draw_order"), &CPUParticles2D::get_draw_order); + + ClassDB::bind_method(D_METHOD("set_texture", "texture"), &CPUParticles2D::set_texture); + ClassDB::bind_method(D_METHOD("get_texture"), &CPUParticles2D::get_texture); + + ClassDB::bind_method(D_METHOD("set_normalmap", "normalmap"), &CPUParticles2D::set_normalmap); + ClassDB::bind_method(D_METHOD("get_normalmap"), &CPUParticles2D::get_normalmap); + + ClassDB::bind_method(D_METHOD("restart"), &CPUParticles2D::restart); + + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "emitting"), "set_emitting", "is_emitting"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "amount", PROPERTY_HINT_EXP_RANGE, "1,1000000,1"), "set_amount", "get_amount"); + ADD_GROUP("Time", ""); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "lifetime", PROPERTY_HINT_EXP_RANGE, "0.01,600.0,0.01"), "set_lifetime", "get_lifetime"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "one_shot"), "set_one_shot", "get_one_shot"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "preprocess", PROPERTY_HINT_EXP_RANGE, "0.00,600.0,0.01"), "set_pre_process_time", "get_pre_process_time"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "speed_scale", PROPERTY_HINT_RANGE, "0,64,0.01"), "set_speed_scale", "get_speed_scale"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "explosiveness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_explosiveness_ratio", "get_explosiveness_ratio"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "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("Drawing", ""); + 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"), "set_draw_order", "get_draw_order"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_texture", "get_texture"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "normalmap", PROPERTY_HINT_RESOURCE_TYPE, "Texture"), "set_normalmap", "get_normalmap"); + + BIND_ENUM_CONSTANT(DRAW_ORDER_INDEX); + BIND_ENUM_CONSTANT(DRAW_ORDER_LIFETIME); + + //////////////////////////////// + + ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &CPUParticles2D::set_spread); + ClassDB::bind_method(D_METHOD("get_spread"), &CPUParticles2D::get_spread); + + ClassDB::bind_method(D_METHOD("set_flatness", "amount"), &CPUParticles2D::set_flatness); + ClassDB::bind_method(D_METHOD("get_flatness"), &CPUParticles2D::get_flatness); + + ClassDB::bind_method(D_METHOD("set_param", "param", "value"), &CPUParticles2D::set_param); + ClassDB::bind_method(D_METHOD("get_param", "param"), &CPUParticles2D::get_param); + + ClassDB::bind_method(D_METHOD("set_param_randomness", "param", "randomness"), &CPUParticles2D::set_param_randomness); + ClassDB::bind_method(D_METHOD("get_param_randomness", "param"), &CPUParticles2D::get_param_randomness); + + ClassDB::bind_method(D_METHOD("set_param_curve", "param", "curve"), &CPUParticles2D::set_param_curve); + ClassDB::bind_method(D_METHOD("get_param_curve", "param"), &CPUParticles2D::get_param_curve); + + ClassDB::bind_method(D_METHOD("set_color", "color"), &CPUParticles2D::set_color); + ClassDB::bind_method(D_METHOD("get_color"), &CPUParticles2D::get_color); + + ClassDB::bind_method(D_METHOD("set_color_ramp", "ramp"), &CPUParticles2D::set_color_ramp); + ClassDB::bind_method(D_METHOD("get_color_ramp"), &CPUParticles2D::get_color_ramp); + + ClassDB::bind_method(D_METHOD("set_particle_flag", "flag", "enable"), &CPUParticles2D::set_particle_flag); + ClassDB::bind_method(D_METHOD("get_particle_flag", "flag"), &CPUParticles2D::get_particle_flag); + + ClassDB::bind_method(D_METHOD("set_emission_shape", "shape"), &CPUParticles2D::set_emission_shape); + ClassDB::bind_method(D_METHOD("get_emission_shape"), &CPUParticles2D::get_emission_shape); + + ClassDB::bind_method(D_METHOD("set_emission_sphere_radius", "radius"), &CPUParticles2D::set_emission_sphere_radius); + ClassDB::bind_method(D_METHOD("get_emission_sphere_radius"), &CPUParticles2D::get_emission_sphere_radius); + + ClassDB::bind_method(D_METHOD("set_emission_rect_extents", "extents"), &CPUParticles2D::set_emission_rect_extents); + ClassDB::bind_method(D_METHOD("get_emission_rect_extents"), &CPUParticles2D::get_emission_rect_extents); + + ClassDB::bind_method(D_METHOD("set_emission_points", "array"), &CPUParticles2D::set_emission_points); + ClassDB::bind_method(D_METHOD("get_emission_points"), &CPUParticles2D::get_emission_points); + + ClassDB::bind_method(D_METHOD("set_emission_normals", "array"), &CPUParticles2D::set_emission_normals); + ClassDB::bind_method(D_METHOD("get_emission_normals"), &CPUParticles2D::get_emission_normals); + + ClassDB::bind_method(D_METHOD("set_emission_colors", "array"), &CPUParticles2D::set_emission_colors); + ClassDB::bind_method(D_METHOD("get_emission_colors"), &CPUParticles2D::get_emission_colors); + + ClassDB::bind_method(D_METHOD("get_gravity"), &CPUParticles2D::get_gravity); + ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &CPUParticles2D::set_gravity); + + ClassDB::bind_method(D_METHOD("convert_from_particles", "particles"), &CPUParticles2D::convert_from_particles); + + ClassDB::bind_method(D_METHOD("_update_render_thread"), &CPUParticles2D::_update_render_thread); + + ADD_GROUP("Emission Shape", "emission_"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "emission_shape", PROPERTY_HINT_ENUM, "Point,Sphere,Box,Points,Directed Points"), "set_emission_shape", "get_emission_shape"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "emission_sphere_radius", PROPERTY_HINT_RANGE, "0.01,128,0.01"), "set_emission_sphere_radius", "get_emission_sphere_radius"); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "emission_rect_extents"), "set_emission_rect_extents", "get_emission_rect_extents"); + ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "emission_points"), "set_emission_points", "get_emission_points"); + ADD_PROPERTY(PropertyInfo(Variant::POOL_VECTOR2_ARRAY, "emission_normals"), "set_emission_normals", "get_emission_normals"); + ADD_PROPERTY(PropertyInfo(Variant::POOL_COLOR_ARRAY, "emission_colors"), "set_emission_colors", "get_emission_colors"); + ADD_GROUP("Flags", "flag_"); + ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_align_y"), "set_particle_flag", "get_particle_flag", FLAG_ALIGN_Y_TO_VELOCITY); + ADD_GROUP("Spread", ""); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "spread", PROPERTY_HINT_RANGE, "0,180,0.01"), "set_spread", "get_spread"); + ADD_PROPERTY(PropertyInfo(Variant::REAL, "flatness", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_flatness", "get_flatness"); + ADD_GROUP("Gravity", ""); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "gravity"), "set_gravity", "get_gravity"); + ADD_GROUP("Initial Velocity", "initial_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "initial_velocity", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param", "get_param", PARAM_INITIAL_LINEAR_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "initial_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_INITIAL_LINEAR_VELOCITY); + ADD_GROUP("Angular Velocity", "angular_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angular_velocity", PROPERTY_HINT_RANGE, "-720,720,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_ANGULAR_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angular_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANGULAR_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angular_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANGULAR_VELOCITY); + /* + ADD_GROUP("Orbit Velocity", "orbit_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "orbit_velocity", PROPERTY_HINT_RANGE, "-1000,1000,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_ORBIT_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "orbit_velocity_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ORBIT_VELOCITY); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "orbit_velocity_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ORBIT_VELOCITY); +*/ + ADD_GROUP("Linear Accel", "linear_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "linear_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_LINEAR_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "linear_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_LINEAR_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "linear_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_LINEAR_ACCEL); + ADD_GROUP("Radial Accel", "radial_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "radial_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_RADIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "radial_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_RADIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "radial_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_RADIAL_ACCEL); + ADD_GROUP("Tangential Accel", "tangential_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "tangential_accel", PROPERTY_HINT_RANGE, "-100,100,0.01,or_lesser,or_greater"), "set_param", "get_param", PARAM_TANGENTIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "tangential_accel_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_TANGENTIAL_ACCEL); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "tangential_accel_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_TANGENTIAL_ACCEL); + ADD_GROUP("Damping", ""); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "damping", PROPERTY_HINT_RANGE, "0,100,0.01"), "set_param", "get_param", PARAM_DAMPING); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "damping_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_DAMPING); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "damping_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_DAMPING); + ADD_GROUP("Angle", ""); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angle", PROPERTY_HINT_RANGE, "-720,720,0.1,or_lesser,or_greater"), "set_param", "get_param", PARAM_ANGLE); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "angle_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANGLE); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "angle_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANGLE); + ADD_GROUP("Scale", ""); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "scale", PROPERTY_HINT_RANGE, "0,1000,0.01,or_greater"), "set_param", "get_param", PARAM_SCALE); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "scale_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_SCALE); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "scale_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_SCALE); + ADD_GROUP("Color", ""); + ADD_PROPERTY(PropertyInfo(Variant::COLOR, "color"), "set_color", "get_color"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "color_ramp", PROPERTY_HINT_RESOURCE_TYPE, "GradientTexture"), "set_color_ramp", "get_color_ramp"); + + ADD_GROUP("Hue Variation", "hue_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "hue_variation", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param", "get_param", PARAM_HUE_VARIATION); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "hue_variation_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_HUE_VARIATION); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "hue_variation_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_HUE_VARIATION); + ADD_GROUP("Animation", "anim_"); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_speed", PROPERTY_HINT_RANGE, "0,128,0.01,or_greater"), "set_param", "get_param", PARAM_ANIM_SPEED); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_speed_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_SPEED); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_speed_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANIM_SPEED); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_offset", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param", "get_param", PARAM_ANIM_OFFSET); + ADD_PROPERTYI(PropertyInfo(Variant::REAL, "anim_offset_random", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_randomness", "get_param_randomness", PARAM_ANIM_OFFSET); + ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "anim_offset_curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_param_curve", "get_param_curve", PARAM_ANIM_OFFSET); + + BIND_ENUM_CONSTANT(PARAM_INITIAL_LINEAR_VELOCITY); + BIND_ENUM_CONSTANT(PARAM_ANGULAR_VELOCITY); + BIND_ENUM_CONSTANT(PARAM_ORBIT_VELOCITY); + BIND_ENUM_CONSTANT(PARAM_LINEAR_ACCEL); + BIND_ENUM_CONSTANT(PARAM_RADIAL_ACCEL); + BIND_ENUM_CONSTANT(PARAM_TANGENTIAL_ACCEL); + BIND_ENUM_CONSTANT(PARAM_DAMPING); + BIND_ENUM_CONSTANT(PARAM_ANGLE); + BIND_ENUM_CONSTANT(PARAM_SCALE); + BIND_ENUM_CONSTANT(PARAM_HUE_VARIATION); + BIND_ENUM_CONSTANT(PARAM_ANIM_SPEED); + BIND_ENUM_CONSTANT(PARAM_ANIM_OFFSET); + BIND_ENUM_CONSTANT(PARAM_MAX); + + BIND_ENUM_CONSTANT(FLAG_ALIGN_Y_TO_VELOCITY); + BIND_ENUM_CONSTANT(FLAG_MAX); + + BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINT); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_CIRCLE); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_RECTANGLE); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_POINTS); + BIND_ENUM_CONSTANT(EMISSION_SHAPE_DIRECTED_POINTS); +} + +CPUParticles2D::CPUParticles2D() { + + time = 0; + inactive_time = 0; + frame_remainder = 0; + cycle = 0; + + mesh = VisualServer::get_singleton()->mesh_create(); + multimesh = VisualServer::get_singleton()->multimesh_create(); + VisualServer::get_singleton()->multimesh_set_mesh(multimesh, mesh); + + 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_use_local_coordinates(true); + + set_draw_order(DRAW_ORDER_INDEX); + set_speed_scale(1); + + set_spread(45); + set_flatness(0); + set_param(PARAM_INITIAL_LINEAR_VELOCITY, 1); + //set_param(PARAM_ORBIT_VELOCITY, 0); + set_param(PARAM_LINEAR_ACCEL, 0); + set_param(PARAM_RADIAL_ACCEL, 0); + set_param(PARAM_TANGENTIAL_ACCEL, 0); + set_param(PARAM_DAMPING, 0); + set_param(PARAM_ANGLE, 0); + set_param(PARAM_SCALE, 1); + set_param(PARAM_HUE_VARIATION, 0); + set_param(PARAM_ANIM_SPEED, 0); + set_param(PARAM_ANIM_OFFSET, 0); + set_emission_shape(EMISSION_SHAPE_POINT); + set_emission_sphere_radius(1); + set_emission_rect_extents(Vector2(1, 1)); + + set_gravity(Vector2(0, 98.8)); + + for (int i = 0; i < PARAM_MAX; i++) { + set_param_randomness(Parameter(i), 0); + } + + for (int i = 0; i < FLAG_MAX; i++) { + flags[i] = false; + } + + set_color(Color(1, 1, 1, 1)); + +#ifndef NO_THREADS + update_mutex = Mutex::create(); +#endif + + _update_mesh_texture(); +} + +CPUParticles2D::~CPUParticles2D() { + VS::get_singleton()->free(multimesh); + VS::get_singleton()->free(mesh); + +#ifndef NO_THREADS + memdelete(update_mutex); +#endif +} |