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Add visualization of 3D particle emission shapes

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Co-authored-by: Kasper Arnklit Frandsen <kasper.arnklit@gmail.com>
This commit is contained in:
Patrick Exner
2024-12-04 18:17:33 +01:00
parent d09d82d433
commit e689c122a6
7 changed files with 458 additions and 0 deletions
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13
scene/3d/gpu_particles_3d.cpp
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@@ -127,6 +127,7 @@ void GPUParticles3D::set_process_material(const Ref<Material> &p_material) {
RID material_rid;
if (process_material.is_valid()) {
material_rid = process_material->get_rid();
process_material->connect("emission_shape_changed", callable_mp((Node3D *)this, &GPUParticles3D::update_gizmos));
}
RS::get_singleton()->particles_set_process_material(particles, material_rid);
@@ -463,6 +464,14 @@ void GPUParticles3D::_notification(int p_what) {
// Use internal process when emitting and one_shot is on so that when
// the shot ends the editor can properly update.
case NOTIFICATION_INTERNAL_PROCESS: {
const Vector3 velocity = (get_global_position() - previous_position) / get_process_delta_time();
if (velocity != previous_velocity) {
RS::get_singleton()->particles_set_emitter_velocity(particles, velocity);
previous_velocity = velocity;
}
previous_position = get_global_position();
if (one_shot) {
time += get_process_delta_time();
if (time > emission_time) {
@@ -513,6 +522,10 @@ void GPUParticles3D::_notification(int p_what) {
case NOTIFICATION_EXIT_TREE: {
RS::get_singleton()->particles_set_subemitter(particles, RID());
Ref<ParticleProcessMaterial> material = get_process_material();
ERR_FAIL_COND(material.is_null());
material->disconnect("emission_shape_changed", callable_mp((Node3D *)this, &GPUParticles3D::update_gizmos));
} break;
case NOTIFICATION_SUSPENDED: