fix CPU particles bug with local_coords and transform
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30e8b53c38
commit
52696e98b4
4 changed files with 93 additions and 14 deletions
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@ -85,7 +85,9 @@ void CPUParticles2D::set_randomness_ratio(float p_ratio) {
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void CPUParticles2D::set_use_local_coordinates(bool p_enable) {
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local_coords = p_enable;
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set_notify_transform(!p_enable);
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}
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void CPUParticles2D::set_speed_scale(float p_scale) {
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speed_scale = p_scale;
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@ -865,11 +867,6 @@ void CPUParticles2D::_update_particle_data_buffer() {
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PoolVector<Particle>::Read r = particles.read();
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float *ptr = w.ptr();
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Transform2D un_transform;
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if (!local_coords) {
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un_transform = get_global_transform().affine_inverse();
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}
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if (draw_order != DRAW_ORDER_INDEX) {
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ow = particle_order.write();
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order = ow.ptr();
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@ -891,7 +888,7 @@ void CPUParticles2D::_update_particle_data_buffer() {
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Transform2D t = r[idx].transform;
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if (!local_coords) {
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t = un_transform * t;
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t = inv_emission_transform * t;
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}
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if (r[idx].active) {
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@ -1060,6 +1057,42 @@ void CPUParticles2D::_notification(int p_what) {
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_update_particle_data_buffer();
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}
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if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
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inv_emission_transform = get_global_transform().affine_inverse();
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if (!local_coords) {
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int pc = particles.size();
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PoolVector<float>::Write w = particle_data.write();
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PoolVector<Particle>::Read r = particles.read();
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float *ptr = w.ptr();
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for (int i = 0; i < pc; i++) {
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Transform2D t = inv_emission_transform * r[i].transform;
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if (r[i].active) {
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ptr[0] = t.elements[0][0];
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ptr[1] = t.elements[1][0];
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ptr[2] = 0;
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ptr[3] = t.elements[2][0];
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ptr[4] = t.elements[0][1];
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ptr[5] = t.elements[1][1];
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ptr[6] = 0;
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ptr[7] = t.elements[2][1];
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} else {
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zeromem(ptr, sizeof(float) * 8);
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}
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ptr += 13;
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}
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}
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}
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}
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void CPUParticles2D::convert_from_particles(Node *p_particles) {
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@ -142,6 +142,8 @@ private:
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int fixed_fps;
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bool fractional_delta;
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Transform2D inv_emission_transform;
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DrawOrder draw_order;
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Ref<Texture> texture;
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@ -910,11 +910,6 @@ void CPUParticles::_update_particle_data_buffer() {
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PoolVector<Particle>::Read r = particles.read();
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float *ptr = w.ptr();
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Transform un_transform;
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if (!local_coords) {
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un_transform = get_global_transform().affine_inverse();
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}
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if (draw_order != DRAW_ORDER_INDEX) {
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ow = particle_order.write();
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order = ow.ptr();
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@ -932,7 +927,12 @@ void CPUParticles::_update_particle_data_buffer() {
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Vector3 dir = c->get_global_transform().basis.get_axis(2); //far away to close
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if (local_coords) {
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dir = un_transform.basis.xform(dir).normalized();
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// will look different from Particles in editor as this is based on the camera in the scenetree
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// and not the editor camera
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dir = inv_emission_transform.xform(dir).normalized();
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} else {
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dir = dir.normalized();
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}
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SortArray<int, SortAxis> sorter;
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@ -950,7 +950,7 @@ void CPUParticles::_update_particle_data_buffer() {
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Transform t = r[idx].transform;
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if (!local_coords) {
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t = un_transform * t;
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t = inv_emission_transform * t;
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}
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if (r[idx].active) {
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@ -1116,6 +1116,46 @@ void CPUParticles::_notification(int p_what) {
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_update_particle_data_buffer();
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}
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}
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if (p_what == NOTIFICATION_TRANSFORM_CHANGED) {
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inv_emission_transform = get_global_transform().affine_inverse();
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if (!local_coords) {
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int pc = particles.size();
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PoolVector<float>::Write w = particle_data.write();
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PoolVector<Particle>::Read r = particles.read();
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float *ptr = w.ptr();
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for (int i = 0; i < pc; i++) {
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Transform t = inv_emission_transform * r[i].transform;
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if (r[i].active) {
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ptr[0] = t.basis.elements[0][0];
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ptr[1] = t.basis.elements[0][1];
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ptr[2] = t.basis.elements[0][2];
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ptr[3] = t.origin.x;
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ptr[4] = t.basis.elements[1][0];
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ptr[5] = t.basis.elements[1][1];
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ptr[6] = t.basis.elements[1][2];
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ptr[7] = t.origin.y;
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ptr[8] = t.basis.elements[2][0];
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ptr[9] = t.basis.elements[2][1];
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ptr[10] = t.basis.elements[2][2];
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ptr[11] = t.origin.z;
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} else {
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zeromem(ptr, sizeof(float) * 12);
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}
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ptr += 17;
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}
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can_update = true;
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}
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}
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}
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void CPUParticles::convert_from_particles(Node *p_particles) {
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@ -1393,6 +1433,8 @@ CPUParticles::CPUParticles() {
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cycle = 0;
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redraw = false;
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set_notify_transform(true);
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multimesh = VisualServer::get_singleton()->multimesh_create();
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VisualServer::get_singleton()->multimesh_set_visible_instances(multimesh, 0);
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set_base(multimesh);
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@ -116,7 +116,7 @@ private:
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const Particle *particles;
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bool operator()(int p_a, int p_b) const {
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return particles[p_a].time < particles[p_b].time;
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return particles[p_a].time > particles[p_b].time;
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}
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};
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@ -142,6 +142,8 @@ private:
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int fixed_fps;
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bool fractional_delta;
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Transform inv_emission_transform;
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volatile bool can_update;
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DrawOrder draw_order;
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