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-rw-r--r--scene/resources/particles_material.cpp299
-rw-r--r--scene/resources/particles_material.h38
2 files changed, 319 insertions, 18 deletions
diff --git a/scene/resources/particles_material.cpp b/scene/resources/particles_material.cpp
index 7a49b9b515..4b2fdbed5b 100644
--- a/scene/resources/particles_material.cpp
+++ b/scene/resources/particles_material.cpp
@@ -98,6 +98,17 @@ void ParticlesMaterial::init_shaders() {
shader_names->emission_ring_radius = "emission_ring_radius";
shader_names->emission_ring_inner_radius = "emission_ring_inner_radius";
+ shader_names->turbulence_active = "turbulence_active";
+ shader_names->turbulence_noise_strength = "turbulence_noise_strength";
+ shader_names->turbulence_noise_scale = "turbulence_noise_scale";
+ shader_names->turbulence_noise_speed = "turbulence_noise_speed";
+ shader_names->turbulence_noise_speed_random = "turbulence_noise_speed_random";
+ shader_names->turbulence_influence_over_life = "turbulence_influence_over_life";
+ shader_names->turbulence_influence_min = "turbulence_influence_min";
+ shader_names->turbulence_influence_max = "turbulence_influence_max";
+ shader_names->turbulence_initial_displacement_min = "turbulence_initial_displacement_min";
+ shader_names->turbulence_initial_displacement_max = "turbulence_initial_displacement_max";
+
shader_names->gravity = "gravity";
shader_names->lifetime_randomness = "lifetime_randomness";
@@ -141,7 +152,6 @@ void ParticlesMaterial::_update_shader() {
shader_map[mk].users++;
return;
}
-
//must create a shader!
// Add a comment to describe the shader origin (useful when converting to ShaderMaterial).
@@ -282,6 +292,77 @@ void ParticlesMaterial::_update_shader() {
code += "uniform float collision_bounce;\n";
}
+ if (turbulence_active) {
+ code += "uniform float turbulence_noise_strength;\n";
+ code += "uniform float turbulence_noise_scale;\n";
+ code += "uniform float turbulence_influence_min;\n";
+ code += "uniform float turbulence_influence_max;\n";
+ code += "uniform float turbulence_initial_displacement_min;\n";
+ code += "uniform float turbulence_initial_displacement_max;\n";
+ code += "uniform float turbulence_noise_speed_random;\n";
+ code += "uniform vec3 turbulence_noise_speed = vec3(1.0, 1.0, 1.0);\n";
+ if (tex_parameters[PARAM_TURB_INFLUENCE_OVER_LIFE].is_valid()) {
+ code += "uniform sampler2D turbulence_influence_over_life;\n";
+ }
+ if (turbulence_color_ramp.is_valid()) {
+ code += "uniform sampler2D turbulence_color_ramp;\n";
+ }
+ code += "\n";
+
+ //functions for 3D noise / turbulence
+ code += "\n\n";
+ code += "// 3D Noise with friendly permission by Inigo Quilez\n";
+ code += "vec3 hash_noise( vec3 p ) {\n";
+ code += " p *= mat3(vec3(127.1, 311.7, -53.7), vec3(269.5, 183.3, 77.1), vec3(-301.7, 27.3, 215.3));\n";
+ code += " return 2.0 * fract(fract(p)*4375.55) -1.;\n";
+ code += "}\n";
+ code += "\n";
+ code += "float noise( vec3 p) {\n";
+ code += " vec3 i = floor(p);;\n";
+ code += " vec3 f = fract(p);\n ";
+ code += " vec3 u = f * f * (3.0 - 2.0 * f);\n";
+ code += "\n";
+ code += " return 2.0*mix( mix( mix( dot( hash_noise( i + vec3(0.0,0.0,0.0) ), f - vec3(0.0,0.0,0.0) ), dot( hash_noise( i + vec3(1.0,0.0,0.0) ), f - vec3(1.0,0.0,0.0) ), u.x),\n";
+ code += " mix( dot( hash_noise( i + vec3(0.0,1.0,0.0) ), f - vec3(0.0,1.0,0.0) ), dot( hash_noise( i + vec3(1.0,1.0,0.0) ), f - vec3(1.0,1.0,0.0) ), u.x), u.y),\n";
+ code += " mix( mix( dot( hash_noise( i + vec3(0.0,0.0,1.0) ), f - vec3(0.0,0.0,1.0) ), dot( hash_noise( i + vec3(1.0,0.0,1.0) ), f - vec3(1.0,0.0,1.0) ), u.x),\n";
+ code += " mix( dot( hash_noise( i + vec3(0.0,1.0,1.0) ), f - vec3(0.0,1.0,1.0) ), dot( hash_noise( i + vec3(1.0,1.0,1.0) ), f - vec3(1.0,1.0,1.0) ), u.x), u.y), u.z);\n";
+ code += "}\n\n";
+ code += "// Curl 3D and noise_3d function with friendly permission by Isaac Cohen\n";
+ code += "vec3 noise_3d(vec3 p) {\n";
+ code += " float s = noise(p);\n";
+ code += " float s1 = noise(vec3(p.y - 19.1, p.z + 33.4, p.x + 47.2));\n";
+ code += " float s2 = noise(vec3(p.z + 74.2, p.x - 124.5, p.y + 99.4));\n";
+ code += " vec3 c = vec3(s, s1, s2);\n";
+ code += " return c;\n";
+ code += "}\n\n";
+ code += "vec3 curl_3d(vec3 p, float c) {\n";
+ code += " float epsilon = 0.001 + c;\n";
+ code += " vec3 dx = vec3(epsilon, 0.0, 0.0);\n";
+ code += " vec3 dy = vec3(0.0, epsilon, 0.0);\n";
+ code += " vec3 dz = vec3(0.0, 0.0, epsilon);\n";
+ code += " vec3 x0 = noise_3d(p - dx).xyz;\n";
+ code += " vec3 x1 = noise_3d(p + dx).xyz;\n";
+ code += " vec3 y0 = noise_3d(p - dy).xyz;\n";
+ code += " vec3 y1 = noise_3d(p + dy).xyz;\n";
+ code += " vec3 z0 = noise_3d(p - dz).xyz;\n";
+ code += " vec3 z1 = noise_3d(p + dz).xyz;\n";
+ code += " float x = y1.z - y0.z - z1.y + z0.y;\n";
+ code += " float y = z1.x - z0.x - x1.z + x0.z;\n";
+ code += " float z = x1.y - x0.y - y1.x + y0.x;\n";
+ code += " float divisor = 1.0 / (2.0 * epsilon);\n";
+ code += " return vec3(normalize(vec3(x, y, z) * divisor));\n";
+ code += "}\n";
+ code += "vec3 get_noise_direction(vec3 pos, vec3 emission_pos, vec3 time_noise) {\n";
+ code += " float adj_contrast = max((turbulence_noise_strength - 1.0), 0.0) * 70.0;\n";
+ code += " vec3 noise_time = (vec3(TIME) * turbulence_noise_speed) + time_noise;\n";
+ code += " vec3 noise_pos = (pos * turbulence_noise_scale) - emission_pos;\n";
+ code += " vec3 diff = pos - emission_pos;\n";
+ code += " vec3 noise_direction = curl_3d(noise_pos + noise_time - diff, adj_contrast);\n";
+ code += " noise_direction = mix(0.9 * noise_direction, noise_direction, turbulence_noise_strength - 9.0);\n";
+ code += " return noise_direction;\n";
+ code += "}\n";
+ }
+
//need a random function
code += "\n\n";
code += "float rand_from_seed(inout uint seed) {\n";
@@ -463,8 +544,18 @@ void ParticlesMaterial::_update_shader() {
break;
}
}
-
code += " if (RESTART_VELOCITY) VELOCITY = (EMISSION_TRANSFORM * vec4(VELOCITY, 0.0)).xyz;\n";
+ // Apply noise/turbulence: initial displacement.
+ if (turbulence_active) {
+ if (get_turbulence_noise_speed_random() >= 0.0) {
+ code += " vec3 time_noise = noise_3d( vec3(TIME) * turbulence_noise_speed_random ) * -turbulence_noise_speed;\n";
+ } else {
+ code += " const vec3 time_noise = vec3(0.0);\n";
+ }
+ code += " vec3 noise_direction = get_noise_direction(TRANSFORM[3].xyz, EMISSION_TRANSFORM[3].xyz, time_noise);\n";
+ code += " float turb_init_displacement = mix(turbulence_initial_displacement_min, turbulence_initial_displacement_max, rand_from_seed(alt_seed));";
+ code += " TRANSFORM[3].xyz += noise_direction * turb_init_displacement;\n";
+ }
code += " TRANSFORM = EMISSION_TRANSFORM * TRANSFORM;\n";
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
code += " VELOCITY.z = 0.0;\n";
@@ -483,7 +574,6 @@ void ParticlesMaterial::_update_shader() {
if (color_initial_ramp.is_valid()) {
code += " float color_initial_rand = rand_from_seed(alt_seed);\n";
}
-
code += " float pi = 3.14159;\n";
code += " float degree_to_rad = pi / 180.0;\n";
code += "\n";
@@ -570,7 +660,7 @@ void ParticlesMaterial::_update_shader() {
code += " vec3 diff = pos - org;\n";
code += " force += length(diff) > 0.0 ? normalize(diff) * tex_radial_accel * mix(radial_accel_min, radial_accel_max, rand_from_seed(alt_seed)) : vec3(0.0);\n";
code += " // apply tangential acceleration;\n";
- code += " float tangent_accel_val = tex_tangent_accel * mix(tangent_accel_min, tangent_accel_max, rand_from_seed(alt_seed))\n;";
+ code += " float tangent_accel_val = tex_tangent_accel * mix(tangent_accel_min, tangent_accel_max, rand_from_seed(alt_seed));\n";
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
code += " force += length(diff.yx) > 0.0 ? vec3(normalize(diff.yx * vec2(-1.0, 1.0)), 0.0) * tangent_accel_val : vec3(0.0);\n";
@@ -584,6 +674,41 @@ void ParticlesMaterial::_update_shader() {
code += " // apply attractor forces\n";
code += " VELOCITY += force * DELTA;\n";
+
+ if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
+ code += " VELOCITY = normalize(VELOCITY) * tex_linear_velocity;\n";
+ }
+
+ // Apply noise/turbulence.
+ if (turbulence_active) {
+ code += " // apply turbulence\n";
+ if (tex_parameters[PARAM_TURB_INFLUENCE_OVER_LIFE].is_valid()) {
+ code += " float turbulence_influence = textureLod(turbulence_influence_over_life, vec2(tv, 0.0), 0.0).r;\n";
+ } else {
+ code += " const float turbulence_influence = 1.0;\n";
+ }
+ code += " \n";
+ if (get_turbulence_noise_speed_random() >= 0.0) {
+ code += " vec3 time_noise = noise_3d( vec3(TIME) * turbulence_noise_speed_random ) * -turbulence_noise_speed;\n";
+ } else {
+ code += " const vec3 time_noise = vec3(0.0);\n";
+ }
+ code += " vec3 noise_direction = get_noise_direction(TRANSFORM[3].xyz, EMISSION_TRANSFORM[3].xyz, time_noise);\n";
+ // If collision happened, turbulence is no longer applied.
+ String extra_tab = "";
+ if (collision_enabled) {
+ code += " if (!COLLIDED) {\n";
+ extra_tab = " ";
+ }
+ code += extra_tab + " \n";
+ code += extra_tab + " float vel_mag = length(VELOCITY);\n";
+ code += extra_tab + " float vel_infl = clamp(mix(turbulence_influence_min, turbulence_influence_max, rand_from_seed(alt_seed)) * turbulence_influence, 0.0, 1.0);\n";
+ code += extra_tab + " VELOCITY = mix(VELOCITY, normalize(noise_direction) * vel_mag * (1.0 + (1.0 - vel_infl) * 0.2), vel_infl);\n";
+ if (collision_enabled) {
+ code += " }";
+ }
+ }
+ code += " \n";
code += " // orbit velocity\n";
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
code += " float orbit_amount = tex_orbit_velocity * mix(orbit_velocity_min, orbit_velocity_max, rand_from_seed(alt_seed));\n";
@@ -595,9 +720,6 @@ void ParticlesMaterial::_update_shader() {
code += " }\n";
}
- if (tex_parameters[PARAM_INITIAL_LINEAR_VELOCITY].is_valid()) {
- code += " VELOCITY = normalize(VELOCITY) * tex_linear_velocity;\n";
- }
code += " float dmp = mix(damping_min, damping_max, rand_from_seed(alt_seed));\n";
code += " if (dmp * tex_damping > 0.0) {\n";
code += " float v = length(VELOCITY);\n";
@@ -701,24 +823,34 @@ void ParticlesMaterial::_update_shader() {
code += " TRANSFORM[3] = origin;\n";
}
}
- //scale by scale
- code += " float base_scale = mix(scale_min, scale_max, scale_rand);\n";
- code += " base_scale = sign(base_scale) * max(abs(base_scale), 0.001);\n";
- code += " TRANSFORM[0].xyz *= base_scale * sign(tex_scale.r) * max(abs(tex_scale.r), 0.001);\n";
- code += " TRANSFORM[1].xyz *= base_scale * sign(tex_scale.g) * max(abs(tex_scale.g), 0.001);\n";
- code += " TRANSFORM[2].xyz *= base_scale * sign(tex_scale.b) * max(abs(tex_scale.b), 0.001);\n";
if (particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
- code += " VELOCITY.z = 0.0;\n";
code += " TRANSFORM[3].z = 0.0;\n";
}
+
if (collision_enabled) {
code += " if (COLLIDED) {\n";
- code += " TRANSFORM[3].xyz+=COLLISION_NORMAL * COLLISION_DEPTH;\n";
- code += " VELOCITY -= COLLISION_NORMAL * dot(COLLISION_NORMAL, VELOCITY) * (1.0 + collision_bounce);\n";
- code += " VELOCITY = mix(VELOCITY,vec3(0.0),collision_friction * DELTA * 100.0);\n";
+ code += " if (length(VELOCITY) > 3.0) {\n";
+ code += " TRANSFORM[3].xyz += COLLISION_NORMAL * COLLISION_DEPTH;\n";
+ code += " VELOCITY -= COLLISION_NORMAL * dot(COLLISION_NORMAL, VELOCITY) * (1.0 + collision_bounce);\n";
+ code += " VELOCITY = mix(VELOCITY,vec3(0.0),clamp(collision_friction, 0.0, 1.0));\n";
+ code += " } else {\n";
+ code += " VELOCITY = vec3(0.0);\n";
+ // If turbulence is enabled, set the noise direction to up so the turbulence color is "neutral"
+ if (turbulence_active) {
+ code += " noise_direction = vec3(1.0, 0.0, 0.0);\n";
+ }
+ code += " }\n";
code += " }\n";
}
+
+ // scale by scale
+ code += " float base_scale = mix(scale_min, scale_max, scale_rand);\n";
+ code += " base_scale = sign(base_scale) * max(abs(base_scale), 0.001);\n";
+ code += " TRANSFORM[0].xyz *= base_scale * sign(tex_scale.r) * max(abs(tex_scale.r), 0.001);\n";
+ code += " TRANSFORM[1].xyz *= base_scale * sign(tex_scale.g) * max(abs(tex_scale.g), 0.001);\n";
+ code += " TRANSFORM[2].xyz *= base_scale * sign(tex_scale.b) * max(abs(tex_scale.b), 0.001);\n";
+
if (sub_emitter_mode != SUB_EMITTER_DISABLED) {
code += " int emit_count = 0;\n";
switch (sub_emitter_mode) {
@@ -856,6 +988,15 @@ void ParticlesMaterial::set_param_min(Parameter p_param, float p_value) {
case PARAM_ANIM_OFFSET: {
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_offset_min, p_value);
} break;
+ case PARAM_TURB_VEL_INFLUENCE: {
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_influence_min, p_value);
+ } break;
+ case PARAM_TURB_INIT_DISPLACEMENT: {
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_initial_displacement_min, p_value);
+ } break;
+ case PARAM_TURB_INFLUENCE_OVER_LIFE: {
+ // Can't happen, but silences warning
+ } break;
case PARAM_MAX:
break; // Can't happen, but silences warning
}
@@ -912,6 +1053,15 @@ void ParticlesMaterial::set_param_max(Parameter p_param, float p_value) {
case PARAM_ANIM_OFFSET: {
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_offset_max, p_value);
} break;
+ case PARAM_TURB_VEL_INFLUENCE: {
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_influence_max, p_value);
+ } break;
+ case PARAM_TURB_INIT_DISPLACEMENT: {
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_initial_displacement_max, p_value);
+ } break;
+ case PARAM_TURB_INFLUENCE_OVER_LIFE: {
+ // Can't happen, but silences warning
+ } break;
case PARAM_MAX:
break; // Can't happen, but silences warning
}
@@ -986,6 +1136,16 @@ void ParticlesMaterial::set_param_texture(Parameter p_param, const Ref<Texture2D
case PARAM_ANIM_OFFSET: {
RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->anim_offset_texture, tex_rid);
} break;
+ case PARAM_TURB_INFLUENCE_OVER_LIFE: {
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_influence_over_life, tex_rid);
+ _adjust_curve_range(p_texture, 0, 1);
+ } break;
+ case PARAM_TURB_VEL_INFLUENCE: {
+ // Can't happen, but silences warning
+ } break;
+ case PARAM_TURB_INIT_DISPLACEMENT: {
+ // Can't happen, but silences warning
+ } break;
case PARAM_MAX:
break; // Can't happen, but silences warning
}
@@ -1151,6 +1311,54 @@ real_t ParticlesMaterial::get_emission_ring_inner_radius() const {
return emission_ring_inner_radius;
}
+void ParticlesMaterial::set_turbulence_active(const bool p_turbulence_active) {
+ turbulence_active = p_turbulence_active;
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_active, turbulence_active);
+ _queue_shader_change();
+ notify_property_list_changed();
+}
+
+bool ParticlesMaterial::get_turbulence_active() const {
+ return turbulence_active;
+}
+
+void ParticlesMaterial::set_turbulence_noise_strength(float p_turbulence_noise_strength) {
+ turbulence_noise_strength = p_turbulence_noise_strength;
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_strength, p_turbulence_noise_strength);
+}
+
+float ParticlesMaterial::get_turbulence_noise_strength() const {
+ return turbulence_noise_strength;
+}
+
+void ParticlesMaterial::set_turbulence_noise_scale(float p_turbulence_noise_scale) {
+ turbulence_noise_scale = p_turbulence_noise_scale;
+ float shader_turbulence_noise_scale = (pow(p_turbulence_noise_scale, 0.25) * 5.6234 / 10.0) * 4.0 - 3.0;
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_scale, shader_turbulence_noise_scale);
+}
+
+float ParticlesMaterial::get_turbulence_noise_scale() const {
+ return turbulence_noise_scale;
+}
+
+void ParticlesMaterial::set_turbulence_noise_speed_random(float p_turbulence_noise_speed_random) {
+ turbulence_noise_speed_random = p_turbulence_noise_speed_random;
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_speed_random, p_turbulence_noise_speed_random);
+}
+
+float ParticlesMaterial::get_turbulence_noise_speed_random() const {
+ return turbulence_noise_speed_random;
+}
+
+void ParticlesMaterial::set_turbulence_noise_speed(const Vector3 &p_turbulence_noise_speed) {
+ turbulence_noise_speed = p_turbulence_noise_speed;
+ RenderingServer::get_singleton()->material_set_param(_get_material(), shader_names->turbulence_noise_speed, turbulence_noise_speed);
+}
+
+Vector3 ParticlesMaterial::get_turbulence_noise_speed() const {
+ return turbulence_noise_speed;
+}
+
void ParticlesMaterial::set_gravity(const Vector3 &p_gravity) {
gravity = p_gravity;
Vector3 gset = gravity;
@@ -1214,6 +1422,20 @@ void ParticlesMaterial::_validate_property(PropertyInfo &property) const {
if (property.name.begins_with("orbit_") && !particle_flags[PARTICLE_FLAG_DISABLE_Z]) {
property.usage = PROPERTY_USAGE_NONE;
}
+
+ if (!turbulence_active) {
+ if (property.name == "turbulence_noise_strength" ||
+ property.name == "turbulence_noise_scale" ||
+ property.name == "turbulence_noise_speed" ||
+ property.name == "turbulence_noise_speed_random" ||
+ property.name == "turbulence_influence_over_life" ||
+ property.name == "turbulence_influence_min" ||
+ property.name == "turbulence_influence_max" ||
+ property.name == "turbulence_initial_displacement_min" ||
+ property.name == "turbulence_initial_displacement_max") {
+ property.usage = PROPERTY_USAGE_NONE;
+ }
+ }
}
void ParticlesMaterial::set_sub_emitter_mode(SubEmitterMode p_sub_emitter_mode) {
@@ -1365,6 +1587,21 @@ void ParticlesMaterial::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_emission_ring_inner_radius", "inner_radius"), &ParticlesMaterial::set_emission_ring_inner_radius);
ClassDB::bind_method(D_METHOD("get_emission_ring_inner_radius"), &ParticlesMaterial::get_emission_ring_inner_radius);
+ ClassDB::bind_method(D_METHOD("get_turbulence_active"), &ParticlesMaterial::get_turbulence_active);
+ ClassDB::bind_method(D_METHOD("set_turbulence_active", "turbulence_active"), &ParticlesMaterial::set_turbulence_active);
+
+ ClassDB::bind_method(D_METHOD("get_turbulence_noise_strength"), &ParticlesMaterial::get_turbulence_noise_strength);
+ ClassDB::bind_method(D_METHOD("set_turbulence_noise_strength", "turbulence_noise_strength"), &ParticlesMaterial::set_turbulence_noise_strength);
+
+ ClassDB::bind_method(D_METHOD("get_turbulence_noise_scale"), &ParticlesMaterial::get_turbulence_noise_scale);
+ ClassDB::bind_method(D_METHOD("set_turbulence_noise_scale", "turbulence_noise_scale"), &ParticlesMaterial::set_turbulence_noise_scale);
+
+ ClassDB::bind_method(D_METHOD("get_turbulence_noise_speed_random"), &ParticlesMaterial::get_turbulence_noise_speed_random);
+ ClassDB::bind_method(D_METHOD("set_turbulence_noise_speed_random", "turbulence_noise_speed_random"), &ParticlesMaterial::set_turbulence_noise_speed_random);
+
+ ClassDB::bind_method(D_METHOD("get_turbulence_noise_speed"), &ParticlesMaterial::get_turbulence_noise_speed);
+ ClassDB::bind_method(D_METHOD("set_turbulence_noise_speed", "turbulence_noise_speed"), &ParticlesMaterial::set_turbulence_noise_speed);
+
ClassDB::bind_method(D_METHOD("get_gravity"), &ParticlesMaterial::get_gravity);
ClassDB::bind_method(D_METHOD("set_gravity", "accel_vec"), &ParticlesMaterial::set_gravity);
@@ -1467,6 +1704,19 @@ void ParticlesMaterial::_bind_methods() {
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_min", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_min", "get_param_min", PARAM_HUE_VARIATION);
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "hue_variation_max", PROPERTY_HINT_RANGE, "-1,1,0.01"), "set_param_max", "get_param_max", PARAM_HUE_VARIATION);
ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "hue_variation_curve", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_HUE_VARIATION);
+
+ ADD_GROUP("Turbulence", "turbulence_");
+ ADD_PROPERTY(PropertyInfo(Variant::BOOL, "turbulence_active"), "set_turbulence_active", "get_turbulence_active");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbulence_noise_strength", PROPERTY_HINT_RANGE, "0,20,0.01"), "set_turbulence_noise_strength", "get_turbulence_noise_strength");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbulence_noise_scale", PROPERTY_HINT_RANGE, "0,10,0.01"), "set_turbulence_noise_scale", "get_turbulence_noise_scale");
+ ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "turbulence_noise_speed"), "set_turbulence_noise_speed", "get_turbulence_noise_speed");
+ ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "turbulence_noise_speed_random", PROPERTY_HINT_RANGE, "0,10,0.01"), "set_turbulence_noise_speed_random", "get_turbulence_noise_speed_random");
+ ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_influence_min", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_min", "get_param_min", PARAM_TURB_VEL_INFLUENCE);
+ ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_influence_max", PROPERTY_HINT_RANGE, "0,1,0.01"), "set_param_max", "get_param_max", PARAM_TURB_VEL_INFLUENCE);
+ ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_initial_displacement_min", PROPERTY_HINT_RANGE, "-100,100,0.1"), "set_param_min", "get_param_min", PARAM_TURB_INIT_DISPLACEMENT);
+ ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "turbulence_initial_displacement_max", PROPERTY_HINT_RANGE, "-100,100,0.1"), "set_param_max", "get_param_max", PARAM_TURB_INIT_DISPLACEMENT);
+ ADD_PROPERTYI(PropertyInfo(Variant::OBJECT, "turbulence_influence_over_life", PROPERTY_HINT_RESOURCE_TYPE, "CurveTexture"), "set_param_texture", "get_param_texture", PARAM_TURB_INFLUENCE_OVER_LIFE);
+
ADD_GROUP("Animation", "anim_");
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_min", PROPERTY_HINT_RANGE, "0,16,0.01,or_lesser,or_greater"), "set_param_min", "get_param_min", PARAM_ANIM_SPEED);
ADD_PROPERTYI(PropertyInfo(Variant::FLOAT, "anim_speed_max", PROPERTY_HINT_RANGE, "0,16,0.01,or_lesser,or_greater"), "set_param_max", "get_param_max", PARAM_ANIM_SPEED);
@@ -1517,6 +1767,10 @@ void ParticlesMaterial::_bind_methods() {
BIND_ENUM_CONSTANT(EMISSION_SHAPE_RING);
BIND_ENUM_CONSTANT(EMISSION_SHAPE_MAX);
+ BIND_ENUM_CONSTANT(PARAM_TURB_VEL_INFLUENCE);
+ BIND_ENUM_CONSTANT(PARAM_TURB_INIT_DISPLACEMENT);
+ BIND_ENUM_CONSTANT(PARAM_TURB_INFLUENCE_OVER_LIFE);
+
BIND_ENUM_CONSTANT(SUB_EMITTER_DISABLED);
BIND_ENUM_CONSTANT(SUB_EMITTER_CONSTANT);
BIND_ENUM_CONSTANT(SUB_EMITTER_AT_END);
@@ -1560,6 +1814,17 @@ ParticlesMaterial::ParticlesMaterial() :
set_emission_ring_height(1);
set_emission_ring_radius(1);
set_emission_ring_inner_radius(0);
+
+ set_turbulence_active(false);
+ set_turbulence_noise_speed(Vector3(0.5, 0.5, 0.5));
+ set_turbulence_noise_strength(1);
+ set_turbulence_noise_scale(9);
+ set_turbulence_noise_speed_random(0);
+ set_param_min(PARAM_TURB_VEL_INFLUENCE, 0.1);
+ set_param_max(PARAM_TURB_VEL_INFLUENCE, 0.1);
+ set_param_min(PARAM_TURB_INIT_DISPLACEMENT, 0.0);
+ set_param_max(PARAM_TURB_INIT_DISPLACEMENT, 0.0);
+
set_gravity(Vector3(0, -9.8, 0));
set_lifetime_randomness(0);
diff --git a/scene/resources/particles_material.h b/scene/resources/particles_material.h
index af45593f38..18ab60a431 100644
--- a/scene/resources/particles_material.h
+++ b/scene/resources/particles_material.h
@@ -58,6 +58,9 @@ public:
PARAM_HUE_VARIATION,
PARAM_ANIM_SPEED,
PARAM_ANIM_OFFSET,
+ PARAM_TURB_INFLUENCE_OVER_LIFE,
+ PARAM_TURB_VEL_INFLUENCE,
+ PARAM_TURB_INIT_DISPLACEMENT,
PARAM_MAX
};
@@ -105,9 +108,10 @@ private:
uint32_t attractor_enabled : 1;
uint32_t collision_enabled : 1;
uint32_t collision_scale : 1;
+ uint32_t turbulence_active : 1;
};
- uint32_t key = 0;
+ uint64_t key = 0;
static uint32_t hash(const MaterialKey &p_key) {
return hash_murmur3_one_32(p_key.key);
@@ -152,6 +156,7 @@ private:
mk.collision_enabled = collision_enabled;
mk.attractor_enabled = attractor_interaction_enabled;
mk.collision_scale = collision_scale;
+ mk.turbulence_active = turbulence_active;
return mk;
}
@@ -216,6 +221,17 @@ private:
StringName emission_ring_radius;
StringName emission_ring_inner_radius;
+ StringName turbulence_active;
+ StringName turbulence_noise_strength;
+ StringName turbulence_noise_scale;
+ StringName turbulence_noise_speed;
+ StringName turbulence_noise_speed_random;
+ StringName turbulence_influence_over_life;
+ StringName turbulence_influence_min;
+ StringName turbulence_influence_max;
+ StringName turbulence_initial_displacement_min;
+ StringName turbulence_initial_displacement_max;
+
StringName gravity;
StringName lifetime_randomness;
@@ -243,6 +259,7 @@ private:
float params_min[PARAM_MAX];
float params_max[PARAM_MAX];
+ float params[PARAM_MAX];
Ref<Texture2D> tex_parameters[PARAM_MAX];
Color color;
@@ -265,6 +282,13 @@ private:
bool anim_loop = false;
+ bool turbulence_active;
+ Vector3 turbulence_noise_speed;
+ Ref<Texture2D> turbulence_color_ramp;
+ float turbulence_noise_strength = 0.0f;
+ float turbulence_noise_scale = 0.0f;
+ float turbulence_noise_speed_random = 0.0f;
+
Vector3 gravity;
double lifetime_randomness = 0.0;
@@ -340,6 +364,18 @@ public:
real_t get_emission_ring_inner_radius() const;
int get_emission_point_count() const;
+ void set_turbulence_active(bool p_turbulence_active);
+ void set_turbulence_noise_strength(float p_turbulence_noise_strength);
+ void set_turbulence_noise_scale(float p_turbulence_noise_scale);
+ void set_turbulence_noise_speed_random(float p_turbulence_noise_speed_random);
+ void set_turbulence_noise_speed(const Vector3 &p_turbulence_noise_speed);
+
+ bool get_turbulence_active() const;
+ float get_turbulence_noise_strength() const;
+ float get_turbulence_noise_scale() const;
+ float get_turbulence_noise_speed_random() const;
+ Vector3 get_turbulence_noise_speed() const;
+
void set_gravity(const Vector3 &p_gravity);
Vector3 get_gravity() const;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-27 07:43:44 +0000