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https://github.com/godotengine/godot
synced 2024-09-05 17:49:51 +00:00
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.
This commit is contained in:
Hugo Locurcio
parent
d34594179a
commit
6e330e8a75
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@ -7,6 +7,12 @@
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<tutorials>
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</tutorials>
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<members>
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<member name="cap_bottom" type="bool" setter="set_cap_bottom" getter="is_cap_bottom" default="true">
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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.
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</member>
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<member name="cap_top" type="bool" setter="set_cap_top" getter="is_cap_top" default="true">
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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.
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</member>
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<member name="curve" type="Curve" setter="set_curve" getter="get_curve">
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</member>
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<member name="radial_steps" type="int" setter="set_radial_steps" getter="get_radial_steps" default="8">
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@ -2171,6 +2171,24 @@ int TubeTrailMesh::get_section_rings() const {
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return section_rings;
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}
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void TubeTrailMesh::set_cap_top(bool p_cap_top) {
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cap_top = p_cap_top;
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_request_update();
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}
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bool TubeTrailMesh::is_cap_top() const {
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return cap_top;
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}
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void TubeTrailMesh::set_cap_bottom(bool p_cap_bottom) {
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cap_bottom = p_cap_bottom;
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_request_update();
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}
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bool TubeTrailMesh::is_cap_bottom() const {
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return cap_bottom;
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}
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void TubeTrailMesh::set_curve(const Ref<Curve> &p_curve) {
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if (curve == p_curve) {
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return;
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@ -2284,49 +2302,21 @@ void TubeTrailMesh::_create_mesh_array(Array &p_arr) const {
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thisrow = point;
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}
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// add top
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float scale_pos = 1.0;
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if (curve.is_valid() && curve->get_point_count() > 0) {
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scale_pos = curve->sample_baked(0);
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}
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if (cap_top) {
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// add top
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float scale_pos = 1.0;
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if (curve.is_valid() && curve->get_point_count() > 0) {
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scale_pos = curve->sample_baked(0);
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}
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if (scale_pos > CMP_EPSILON) {
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float y = depth * 0.5;
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if (scale_pos > CMP_EPSILON) {
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float y = depth * 0.5;
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thisrow = point;
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points.push_back(Vector3(0.0, y, 0));
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normals.push_back(Vector3(0.0, 1.0, 0.0));
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ADD_TANGENT(1.0, 0.0, 0.0, 1.0)
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uvs.push_back(Vector2(0.25, 0.75));
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point++;
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_weights.push_back(1.0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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float rm = radius * scale_pos;
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for (int i = 0; i <= radial_steps; i++) {
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float r = i;
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r /= radial_steps;
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float x = sin(r * Math_TAU);
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float z = cos(r * Math_TAU);
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float u = ((x + 1.0) * 0.25);
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float v = 0.5 + ((z + 1.0) * 0.25);
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Vector3 p = Vector3(x * rm, y, z * rm);
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points.push_back(p);
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thisrow = point;
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points.push_back(Vector3(0.0, y, 0));
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normals.push_back(Vector3(0.0, 1.0, 0.0));
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ADD_TANGENT(1.0, 0.0, 0.0, 1.0)
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uvs.push_back(Vector2(u, v));
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uvs.push_back(Vector2(0.25, 0.75));
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point++;
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bone_indices.push_back(0);
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@ -2339,57 +2329,59 @@ void TubeTrailMesh::_create_mesh_array(Array &p_arr) const {
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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if (i > 0) {
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indices.push_back(thisrow);
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indices.push_back(point - 1);
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indices.push_back(point - 2);
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float rm = radius * scale_pos;
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for (int i = 0; i <= radial_steps; i++) {
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float r = i;
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r /= radial_steps;
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float x = sin(r * Math_TAU);
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float z = cos(r * Math_TAU);
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float u = ((x + 1.0) * 0.25);
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float v = 0.5 + ((z + 1.0) * 0.25);
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Vector3 p = Vector3(x * rm, y, z * rm);
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points.push_back(p);
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normals.push_back(Vector3(0.0, 1.0, 0.0));
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ADD_TANGENT(1.0, 0.0, 0.0, 1.0)
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uvs.push_back(Vector2(u, v));
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point++;
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_weights.push_back(1.0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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if (i > 0) {
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indices.push_back(thisrow);
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indices.push_back(point - 1);
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indices.push_back(point - 2);
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}
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}
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}
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}
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float scale_neg = 1.0;
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if (curve.is_valid() && curve->get_point_count() > 0) {
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scale_neg = curve->sample_baked(1.0);
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}
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if (cap_bottom) {
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float scale_neg = 1.0;
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if (curve.is_valid() && curve->get_point_count() > 0) {
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scale_neg = curve->sample_baked(1.0);
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}
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// add bottom
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if (scale_neg > CMP_EPSILON) {
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float y = depth * -0.5;
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if (scale_neg > CMP_EPSILON) {
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// add bottom
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float y = depth * -0.5;
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thisrow = point;
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points.push_back(Vector3(0.0, y, 0.0));
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normals.push_back(Vector3(0.0, -1.0, 0.0));
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ADD_TANGENT(1.0, 0.0, 0.0, 1.0)
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uvs.push_back(Vector2(0.75, 0.75));
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point++;
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bone_indices.push_back(sections);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_weights.push_back(1.0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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float rm = radius * scale_neg;
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for (int i = 0; i <= radial_steps; i++) {
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float r = i;
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r /= radial_steps;
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float x = sin(r * Math_TAU);
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float z = cos(r * Math_TAU);
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float u = 0.5 + ((x + 1.0) * 0.25);
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float v = 1.0 - ((z + 1.0) * 0.25);
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Vector3 p = Vector3(x * rm, y, z * rm);
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points.push_back(p);
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thisrow = point;
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points.push_back(Vector3(0.0, y, 0.0));
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normals.push_back(Vector3(0.0, -1.0, 0.0));
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ADD_TANGENT(1.0, 0.0, 0.0, 1.0)
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uvs.push_back(Vector2(u, v));
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uvs.push_back(Vector2(0.75, 0.75));
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point++;
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bone_indices.push_back(sections);
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@ -2402,10 +2394,40 @@ void TubeTrailMesh::_create_mesh_array(Array &p_arr) const {
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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if (i > 0) {
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indices.push_back(thisrow);
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indices.push_back(point - 2);
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indices.push_back(point - 1);
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float rm = radius * scale_neg;
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for (int i = 0; i <= radial_steps; i++) {
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float r = i;
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r /= radial_steps;
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float x = sin(r * Math_TAU);
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float z = cos(r * Math_TAU);
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float u = 0.5 + ((x + 1.0) * 0.25);
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float v = 1.0 - ((z + 1.0) * 0.25);
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Vector3 p = Vector3(x * rm, y, z * rm);
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points.push_back(p);
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normals.push_back(Vector3(0.0, -1.0, 0.0));
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ADD_TANGENT(1.0, 0.0, 0.0, 1.0)
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uvs.push_back(Vector2(u, v));
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point++;
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bone_indices.push_back(sections);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_indices.push_back(0);
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bone_weights.push_back(1.0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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bone_weights.push_back(0);
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if (i > 0) {
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indices.push_back(thisrow);
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indices.push_back(point - 2);
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indices.push_back(point - 1);
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}
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}
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}
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}
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@ -2435,6 +2457,12 @@ void TubeTrailMesh::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_section_rings", "section_rings"), &TubeTrailMesh::set_section_rings);
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ClassDB::bind_method(D_METHOD("get_section_rings"), &TubeTrailMesh::get_section_rings);
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ClassDB::bind_method(D_METHOD("set_cap_top", "cap_top"), &TubeTrailMesh::set_cap_top);
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ClassDB::bind_method(D_METHOD("is_cap_top"), &TubeTrailMesh::is_cap_top);
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ClassDB::bind_method(D_METHOD("set_cap_bottom", "cap_bottom"), &TubeTrailMesh::set_cap_bottom);
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ClassDB::bind_method(D_METHOD("is_cap_bottom"), &TubeTrailMesh::is_cap_bottom);
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ClassDB::bind_method(D_METHOD("set_curve", "curve"), &TubeTrailMesh::set_curve);
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ClassDB::bind_method(D_METHOD("get_curve"), &TubeTrailMesh::get_curve);
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@ -2447,13 +2475,16 @@ void TubeTrailMesh::_bind_methods() {
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ADD_PROPERTY(PropertyInfo(Variant::INT, "section_rings", PROPERTY_HINT_RANGE, "1,128,1"), "set_section_rings", "get_section_rings");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cap_top"), "set_cap_top", "is_cap_top");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "cap_bottom"), "set_cap_bottom", "is_cap_bottom");
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve", "get_curve");
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}
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TubeTrailMesh::TubeTrailMesh() {
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}
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// TUBE TRAIL
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// RIBBON TRAIL
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void RibbonTrailMesh::set_shape(Shape p_shape) {
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shape = p_shape;
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@ -431,6 +431,8 @@ private:
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int sections = 5;
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float section_length = 0.2;
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int section_rings = 3;
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bool cap_top = true;
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bool cap_bottom = true;
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Ref<Curve> curve;
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@ -456,6 +458,12 @@ public:
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void set_section_rings(const int p_section_rings);
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int get_section_rings() const;
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void set_cap_top(bool p_cap_top);
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bool is_cap_top() const;
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void set_cap_bottom(bool p_cap_bottom);
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bool is_cap_bottom() const;
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void set_curve(const Ref<Curve> &p_curve);
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Ref<Curve> get_curve() const;
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