diff options
Diffstat (limited to 'scene/3d/gpu_particles_collision_3d.cpp')
| -rw-r--r-- | scene/3d/gpu_particles_collision_3d.cpp | 48 |
1 files changed, 23 insertions, 25 deletions
diff --git a/scene/3d/gpu_particles_collision_3d.cpp b/scene/3d/gpu_particles_collision_3d.cpp index d3f53d9c0d..2c5df48b75 100644 --- a/scene/3d/gpu_particles_collision_3d.cpp +++ b/scene/3d/gpu_particles_collision_3d.cpp @@ -225,23 +225,23 @@ static _FORCE_INLINE_ real_t Vector3_dot2(const Vector3 &p_vec3) { return p_vec3.dot(p_vec3); } -void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, const BVH *bvh, uint32_t p_bvh_cell, const Face3 *triangles, float thickness, float &closest_distance) { +void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, const BVH *p_bvh, uint32_t p_bvh_cell, const Face3 *p_triangles, float p_thickness, float &r_closest_distance) { if (p_bvh_cell & BVH::LEAF_BIT) { p_bvh_cell &= BVH::LEAF_MASK; //remove bit Vector3 point = p_pos; - Plane p = triangles[p_bvh_cell].get_plane(); + Plane p = p_triangles[p_bvh_cell].get_plane(); float d = p.distance_to(point); float inside_d = 1e20; - if (d < 0 && d > -thickness) { + if (d < 0 && d > -p_thickness) { //inside planes, do this in 2D - Vector3 x_axis = (triangles[p_bvh_cell].vertex[0] - triangles[p_bvh_cell].vertex[1]).normalized(); + Vector3 x_axis = (p_triangles[p_bvh_cell].vertex[0] - p_triangles[p_bvh_cell].vertex[1]).normalized(); Vector3 y_axis = p.normal.cross(x_axis).normalized(); Vector2 points[3]; for (int i = 0; i < 3; i++) { - points[i] = Vector2(x_axis.dot(triangles[p_bvh_cell].vertex[i]), y_axis.dot(triangles[p_bvh_cell].vertex[i])); + points[i] = Vector2(x_axis.dot(p_triangles[p_bvh_cell].vertex[i]), y_axis.dot(p_triangles[p_bvh_cell].vertex[i])); } Vector2 p2d = Vector2(x_axis.dot(point), y_axis.dot(point)); @@ -270,19 +270,19 @@ void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, co //make sure distance to planes is not shorter if inside if (inside_d < 0) { inside_d = MAX(inside_d, d); - inside_d = MAX(inside_d, -(thickness + d)); + inside_d = MAX(inside_d, -(p_thickness + d)); } - closest_distance = MIN(closest_distance, inside_d); + r_closest_distance = MIN(r_closest_distance, inside_d); } else { if (d < 0) { - point -= p.normal * thickness; //flatten + point -= p.normal * p_thickness; //flatten } // https://iquilezles.org/www/articles/distfunctions/distfunctions.htm - Vector3 a = triangles[p_bvh_cell].vertex[0]; - Vector3 b = triangles[p_bvh_cell].vertex[1]; - Vector3 c = triangles[p_bvh_cell].vertex[2]; + Vector3 a = p_triangles[p_bvh_cell].vertex[0]; + Vector3 b = p_triangles[p_bvh_cell].vertex[1]; + Vector3 c = p_triangles[p_bvh_cell].vertex[2]; Vector3 ba = b - a; Vector3 pa = point - a; @@ -300,28 +300,28 @@ void GPUParticlesCollisionSDF3D::_find_closest_distance(const Vector3 &p_pos, co Vector3_dot2(ac * CLAMP(ac.dot(pc) / Vector3_dot2(ac), 0.0, 1.0) - pc)) : nor.dot(pa) * nor.dot(pa) / Vector3_dot2(nor)); - closest_distance = MIN(closest_distance, inside_d); + r_closest_distance = MIN(r_closest_distance, inside_d); } } else { bool pass = true; - if (!bvh[p_bvh_cell].bounds.has_point(p_pos)) { + if (!p_bvh[p_bvh_cell].bounds.has_point(p_pos)) { //outside, find closest point - Vector3 he = bvh[p_bvh_cell].bounds.size * 0.5; - Vector3 center = bvh[p_bvh_cell].bounds.position + he; + Vector3 he = p_bvh[p_bvh_cell].bounds.size * 0.5; + Vector3 center = p_bvh[p_bvh_cell].bounds.position + he; Vector3 rel = (p_pos - center).abs(); Vector3 closest(MIN(rel.x, he.x), MIN(rel.y, he.y), MIN(rel.z, he.z)); float d = rel.distance_to(closest); - if (d >= closest_distance) { + if (d >= r_closest_distance) { pass = false; //already closer than this aabb, discard } } if (pass) { - _find_closest_distance(p_pos, bvh, bvh[p_bvh_cell].children[0], triangles, thickness, closest_distance); - _find_closest_distance(p_pos, bvh, bvh[p_bvh_cell].children[1], triangles, thickness, closest_distance); + _find_closest_distance(p_pos, p_bvh, p_bvh[p_bvh_cell].children[0], p_triangles, p_thickness, r_closest_distance); + _find_closest_distance(p_pos, p_bvh, p_bvh[p_bvh_cell].children[1], p_triangles, p_thickness, r_closest_distance); } } } @@ -473,15 +473,15 @@ Ref<Image> GPUParticlesCollisionSDF3D::bake() { _create_bvh(bvh, face_pos.ptr(), face_pos.size(), faces.ptr(), th); - Vector<uint8_t> data; - data.resize(sdf_size.z * sdf_size.y * sdf_size.x * (int)sizeof(float)); + Vector<uint8_t> cells_data; + cells_data.resize(sdf_size.z * sdf_size.y * sdf_size.x * (int)sizeof(float)); if (bake_step_function) { bake_step_function(0, "Baking SDF"); } ComputeSDFParams params; - params.cells = (float *)data.ptrw(); + params.cells = (float *)cells_data.ptrw(); params.size = sdf_size; params.cell_size = cell_size; params.cell_offset = aabb.position + Vector3(cell_size * 0.5, cell_size * 0.5, cell_size * 0.5); @@ -490,9 +490,7 @@ Ref<Image> GPUParticlesCollisionSDF3D::bake() { params.thickness = th; _compute_sdf(¶ms); - Ref<Image> ret; - ret.instantiate(); - ret->create(sdf_size.x, sdf_size.y * sdf_size.z, false, Image::FORMAT_RF, data); + Ref<Image> ret = Image::create_from_data(sdf_size.x, sdf_size.y * sdf_size.z, false, Image::FORMAT_RF, cells_data); ret->convert(Image::FORMAT_RH); //convert to half, save space ret->set_meta("depth", sdf_size.z); //hack, make sure to add to the docs of this function @@ -532,7 +530,7 @@ void GPUParticlesCollisionSDF3D::_bind_methods() { ClassDB::bind_method(D_METHOD("get_bake_mask_value", "layer_number"), &GPUParticlesCollisionSDF3D::get_bake_mask_value); ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "extents", PROPERTY_HINT_RANGE, "0.01,1024,0.01,or_greater,suffix:m"), "set_extents", "get_extents"); - ADD_PROPERTY(PropertyInfo(Variant::INT, "resolution", PROPERTY_HINT_ENUM, "16,32,64,128,256,512,suffix:px"), "set_resolution", "get_resolution"); + ADD_PROPERTY(PropertyInfo(Variant::INT, "resolution", PROPERTY_HINT_ENUM, "16,32,64,128,256,512"), "set_resolution", "get_resolution"); ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "thickness", PROPERTY_HINT_RANGE, "0.0,2.0,0.01,suffix:m"), "set_thickness", "get_thickness"); ADD_PROPERTY(PropertyInfo(Variant::INT, "bake_mask", PROPERTY_HINT_LAYERS_3D_RENDER), "set_bake_mask", "get_bake_mask"); ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "texture", PROPERTY_HINT_RESOURCE_TYPE, "Texture3D"), "set_texture", "get_texture"); |