diff options
Diffstat (limited to 'scene/3d/cpu_particles.cpp')
| -rw-r--r-- | scene/3d/cpu_particles.cpp | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/scene/3d/cpu_particles.cpp b/scene/3d/cpu_particles.cpp index 11dfbdb1f9..6415b0ff28 100644 --- a/scene/3d/cpu_particles.cpp +++ b/scene/3d/cpu_particles.cpp @@ -247,6 +247,16 @@ void CPUParticles::restart() { } } +void CPUParticles::set_direction(Vector3 p_direction) { + + direction = p_direction; +} + +Vector3 CPUParticles::get_direction() const { + + return direction; +} + void CPUParticles::set_spread(float p_spread) { spread = p_spread; @@ -606,13 +616,13 @@ void CPUParticles::_particles_process(float p_delta) { p.anim_offset_rand = Math::randf(); if (flags[FLAG_DISABLE_Z]) { - float angle1_rad = (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0; + float angle1_rad = Math::atan2(direction.y, direction.x) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0; Vector3 rot = Vector3(Math::cos(angle1_rad), Math::sin(angle1_rad), 0.0); p.velocity = rot * parameters[PARAM_INITIAL_LINEAR_VELOCITY] * Math::lerp(1.0f, float(Math::randf()), randomness[PARAM_INITIAL_LINEAR_VELOCITY]); } else { //initiate velocity spread in 3D - float angle1_rad = (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0; - float angle2_rad = (Math::randf() * 2.0 - 1.0) * (1.0 - flatness) * Math_PI * spread / 180.0; + float angle1_rad = Math::atan2(direction.x, direction.z) + (Math::randf() * 2.0 - 1.0) * Math_PI * spread / 180.0; + float angle2_rad = Math::atan2(direction.y, Math::abs(direction.z)) + (Math::randf() * 2.0 - 1.0) * (1.0 - flatness) * Math_PI * spread / 180.0; Vector3 direction_xz = Vector3(Math::sin(angle1_rad), 0, Math::cos(angle1_rad)); Vector3 direction_yz = Vector3(0, Math::sin(angle2_rad), Math::cos(angle2_rad)); @@ -1156,6 +1166,7 @@ void CPUParticles::convert_from_particles(Node *p_particles) { if (material.is_null()) return; + set_direction(material->get_direction()); set_spread(material->get_spread()); set_flatness(material->get_flatness()); @@ -1257,6 +1268,9 @@ void CPUParticles::_bind_methods() { //////////////////////////////// + ClassDB::bind_method(D_METHOD("set_direction", "direction"), &CPUParticles::set_direction); + ClassDB::bind_method(D_METHOD("get_direction"), &CPUParticles::get_direction); + ClassDB::bind_method(D_METHOD("set_spread", "degrees"), &CPUParticles::set_spread); ClassDB::bind_method(D_METHOD("get_spread"), &CPUParticles::get_spread); @@ -1317,7 +1331,8 @@ void CPUParticles::_bind_methods() { ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_align_y"), "set_particle_flag", "get_particle_flag", FLAG_ALIGN_Y_TO_VELOCITY); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_rotate_y"), "set_particle_flag", "get_particle_flag", FLAG_ROTATE_Y); ADD_PROPERTYI(PropertyInfo(Variant::BOOL, "flag_disable_z"), "set_particle_flag", "get_particle_flag", FLAG_DISABLE_Z); - ADD_GROUP("Spread", ""); + ADD_GROUP("Direction", ""); + ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "direction"), "set_direction", "get_direction"); 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", ""); @@ -1424,6 +1439,7 @@ CPUParticles::CPUParticles() { set_draw_order(DRAW_ORDER_INDEX); set_speed_scale(1); + set_direction(Vector3(1, 0, 0)); set_spread(45); set_flatness(0); set_param(PARAM_INITIAL_LINEAR_VELOCITY, 1); |