From 6e330e8a75763a8126f96c58076ed18b00ebb382 Mon Sep 17 00:00:00 2001 From: Hugo Locurcio Date: Sat, 21 May 2022 02:03:34 +0200 Subject: [PATCH] Add properties to disable top/bottom cap generation in TubeTrailMesh This can be used to improve generation and rendering performance, or for certain special effects such as particle trails. --- doc/classes/TubeTrailMesh.xml | 6 + scene/resources/primitive_meshes.cpp | 205 +++++++++++++++------------ scene/resources/primitive_meshes.h | 8 ++ 3 files changed, 132 insertions(+), 87 deletions(-) diff --git a/doc/classes/TubeTrailMesh.xml b/doc/classes/TubeTrailMesh.xml index ddc544dc97f..7457aa4050f 100644 --- a/doc/classes/TubeTrailMesh.xml +++ b/doc/classes/TubeTrailMesh.xml @@ -7,6 +7,12 @@ + + If [code]true[/code], generates a cap at the bottom of the tube. This can be set to [code]false[/code] to speed up generation and rendering when the cap is never seen by the camera. + + + If [code]true[/code], generates a cap at the top of the tube. This can be set to [code]false[/code] to speed up generation and rendering when the cap is never seen by the camera. + diff --git a/scene/resources/primitive_meshes.cpp b/scene/resources/primitive_meshes.cpp index 2e8fcb3717a..54d3676c15f 100644 --- a/scene/resources/primitive_meshes.cpp +++ b/scene/resources/primitive_meshes.cpp @@ -2171,6 +2171,24 @@ int TubeTrailMesh::get_section_rings() const { return section_rings; } +void TubeTrailMesh::set_cap_top(bool p_cap_top) { + cap_top = p_cap_top; + _request_update(); +} + +bool TubeTrailMesh::is_cap_top() const { + return cap_top; +} + +void TubeTrailMesh::set_cap_bottom(bool p_cap_bottom) { + cap_bottom = p_cap_bottom; + _request_update(); +} + +bool TubeTrailMesh::is_cap_bottom() const { + return cap_bottom; +} + void TubeTrailMesh::set_curve(const Ref &p_curve) { if (curve == p_curve) { return; @@ -2284,49 +2302,21 @@ void TubeTrailMesh::_create_mesh_array(Array &p_arr) const { thisrow = point; } - // add top - float scale_pos = 1.0; - if (curve.is_valid() && curve->get_point_count() > 0) { - scale_pos = curve->sample_baked(0); - } + if (cap_top) { + // add top + float scale_pos = 1.0; + if (curve.is_valid() && curve->get_point_count() > 0) { + scale_pos = curve->sample_baked(0); + } - if (scale_pos > CMP_EPSILON) { - float y = depth * 0.5; + if (scale_pos > CMP_EPSILON) { + float y = depth * 0.5; - thisrow = point; - points.push_back(Vector3(0.0, y, 0)); - normals.push_back(Vector3(0.0, 1.0, 0.0)); - ADD_TANGENT(1.0, 0.0, 0.0, 1.0) - uvs.push_back(Vector2(0.25, 0.75)); - point++; - - bone_indices.push_back(0); - bone_indices.push_back(0); - bone_indices.push_back(0); - bone_indices.push_back(0); - - bone_weights.push_back(1.0); - bone_weights.push_back(0); - bone_weights.push_back(0); - bone_weights.push_back(0); - - float rm = radius * scale_pos; - - for (int i = 0; i <= radial_steps; i++) { - float r = i; - r /= radial_steps; - - float x = sin(r * Math_TAU); - float z = cos(r * Math_TAU); - - float u = ((x + 1.0) * 0.25); - float v = 0.5 + ((z + 1.0) * 0.25); - - Vector3 p = Vector3(x * rm, y, z * rm); - points.push_back(p); + thisrow = point; + points.push_back(Vector3(0.0, y, 0)); normals.push_back(Vector3(0.0, 1.0, 0.0)); ADD_TANGENT(1.0, 0.0, 0.0, 1.0) - uvs.push_back(Vector2(u, v)); + uvs.push_back(Vector2(0.25, 0.75)); point++; bone_indices.push_back(0); @@ -2339,57 +2329,59 @@ void TubeTrailMesh::_create_mesh_array(Array &p_arr) const { bone_weights.push_back(0); bone_weights.push_back(0); - if (i > 0) { - indices.push_back(thisrow); - indices.push_back(point - 1); - indices.push_back(point - 2); + float rm = radius * scale_pos; + + for (int i = 0; i <= radial_steps; i++) { + float r = i; + r /= radial_steps; + + float x = sin(r * Math_TAU); + float z = cos(r * Math_TAU); + + float u = ((x + 1.0) * 0.25); + float v = 0.5 + ((z + 1.0) * 0.25); + + Vector3 p = Vector3(x * rm, y, z * rm); + points.push_back(p); + normals.push_back(Vector3(0.0, 1.0, 0.0)); + ADD_TANGENT(1.0, 0.0, 0.0, 1.0) + uvs.push_back(Vector2(u, v)); + point++; + + bone_indices.push_back(0); + bone_indices.push_back(0); + bone_indices.push_back(0); + bone_indices.push_back(0); + + bone_weights.push_back(1.0); + bone_weights.push_back(0); + bone_weights.push_back(0); + bone_weights.push_back(0); + + if (i > 0) { + indices.push_back(thisrow); + indices.push_back(point - 1); + indices.push_back(point - 2); + } } } } - float scale_neg = 1.0; - if (curve.is_valid() && curve->get_point_count() > 0) { - scale_neg = curve->sample_baked(1.0); - } + if (cap_bottom) { + float scale_neg = 1.0; + if (curve.is_valid() && curve->get_point_count() > 0) { + scale_neg = curve->sample_baked(1.0); + } - // add bottom - if (scale_neg > CMP_EPSILON) { - float y = depth * -0.5; + if (scale_neg > CMP_EPSILON) { + // add bottom + float y = depth * -0.5; - thisrow = point; - points.push_back(Vector3(0.0, y, 0.0)); - normals.push_back(Vector3(0.0, -1.0, 0.0)); - ADD_TANGENT(1.0, 0.0, 0.0, 1.0) - uvs.push_back(Vector2(0.75, 0.75)); - point++; - - bone_indices.push_back(sections); - bone_indices.push_back(0); - bone_indices.push_back(0); - bone_indices.push_back(0); - - bone_weights.push_back(1.0); - bone_weights.push_back(0); - bone_weights.push_back(0); - bone_weights.push_back(0); - - float rm = radius * scale_neg; - - for (int i = 0; i <= radial_steps; i++) { - float r = i; - r /= radial_steps; - - float x = sin(r * Math_TAU); - float z = cos(r * Math_TAU); - - float u = 0.5 + ((x + 1.0) * 0.25); - float v = 1.0 - ((z + 1.0) * 0.25); - - Vector3 p = Vector3(x * rm, y, z * rm); - points.push_back(p); + thisrow = point; + points.push_back(Vector3(0.0, y, 0.0)); normals.push_back(Vector3(0.0, -1.0, 0.0)); ADD_TANGENT(1.0, 0.0, 0.0, 1.0) - uvs.push_back(Vector2(u, v)); + uvs.push_back(Vector2(0.75, 0.75)); point++; bone_indices.push_back(sections); @@ -2402,10 +2394,40 @@ void TubeTrailMesh::_create_mesh_array(Array &p_arr) const { bone_weights.push_back(0); bone_weights.push_back(0); - if (i > 0) { - indices.push_back(thisrow); - indices.push_back(point - 2); - indices.push_back(point - 1); + float rm = radius * scale_neg; + + for (int i = 0; i <= radial_steps; i++) { + float r = i; + r /= radial_steps; + + float x = sin(r * Math_TAU); + float z = cos(r * Math_TAU); + + float u = 0.5 + ((x + 1.0) * 0.25); + float v = 1.0 - ((z + 1.0) * 0.25); + + Vector3 p = Vector3(x * rm, y, z * rm); + points.push_back(p); + normals.push_back(Vector3(0.0, -1.0, 0.0)); + ADD_TANGENT(1.0, 0.0, 0.0, 1.0) + uvs.push_back(Vector2(u, v)); + point++; + + bone_indices.push_back(sections); + bone_indices.push_back(0); + bone_indices.push_back(0); + bone_indices.push_back(0); + + bone_weights.push_back(1.0); + bone_weights.push_back(0); + bone_weights.push_back(0); + bone_weights.push_back(0); + + if (i > 0) { + indices.push_back(thisrow); + indices.push_back(point - 2); + indices.push_back(point - 1); + } } } } @@ -2435,6 +2457,12 @@ void TubeTrailMesh::_bind_methods() { ClassDB::bind_method(D_METHOD("set_section_rings", "section_rings"), &TubeTrailMesh::set_section_rings); ClassDB::bind_method(D_METHOD("get_section_rings"), &TubeTrailMesh::get_section_rings); + ClassDB::bind_method(D_METHOD("set_cap_top", "cap_top"), &TubeTrailMesh::set_cap_top); + ClassDB::bind_method(D_METHOD("is_cap_top"), &TubeTrailMesh::is_cap_top); + + ClassDB::bind_method(D_METHOD("set_cap_bottom", "cap_bottom"), &TubeTrailMesh::set_cap_bottom); + ClassDB::bind_method(D_METHOD("is_cap_bottom"), &TubeTrailMesh::is_cap_bottom); + ClassDB::bind_method(D_METHOD("set_curve", "curve"), &TubeTrailMesh::set_curve); ClassDB::bind_method(D_METHOD("get_curve"), &TubeTrailMesh::get_curve); @@ -2447,13 +2475,16 @@ void TubeTrailMesh::_bind_methods() { ADD_PROPERTY(PropertyInfo(Variant::INT, "section_rings", PROPERTY_HINT_RANGE, "1,128,1"), "set_section_rings", "get_section_rings"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cap_top"), "set_cap_top", "is_cap_top"); + ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cap_bottom"), "set_cap_bottom", "is_cap_bottom"); + ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve", "get_curve"); } TubeTrailMesh::TubeTrailMesh() { } -// TUBE TRAIL +// RIBBON TRAIL void RibbonTrailMesh::set_shape(Shape p_shape) { shape = p_shape; diff --git a/scene/resources/primitive_meshes.h b/scene/resources/primitive_meshes.h index 06f9781b84b..5cef042a183 100644 --- a/scene/resources/primitive_meshes.h +++ b/scene/resources/primitive_meshes.h @@ -431,6 +431,8 @@ private: int sections = 5; float section_length = 0.2; int section_rings = 3; + bool cap_top = true; + bool cap_bottom = true; Ref curve; @@ -456,6 +458,12 @@ public: void set_section_rings(const int p_section_rings); int get_section_rings() const; + void set_cap_top(bool p_cap_top); + bool is_cap_top() const; + + void set_cap_bottom(bool p_cap_bottom); + bool is_cap_bottom() const; + void set_curve(const Ref &p_curve); Ref get_curve() const;