godot/scene/resources/primitive_meshes.cpp
2021-05-16 23:01:53 +02:00

2090 lines
58 KiB
C++

/*************************************************************************/
/* primitive_meshes.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#include "primitive_meshes.h"
#include "servers/rendering_server.h"
/**
PrimitiveMesh
*/
void PrimitiveMesh::_update() const {
Array arr;
arr.resize(RS::ARRAY_MAX);
_create_mesh_array(arr);
Vector<Vector3> points = arr[RS::ARRAY_VERTEX];
aabb = AABB();
int pc = points.size();
ERR_FAIL_COND(pc == 0);
{
const Vector3 *r = points.ptr();
for (int i = 0; i < pc; i++) {
if (i == 0) {
aabb.position = r[i];
} else {
aabb.expand_to(r[i]);
}
}
}
Vector<int> indices = arr[RS::ARRAY_INDEX];
if (flip_faces) {
Vector<Vector3> normals = arr[RS::ARRAY_NORMAL];
if (normals.size() && indices.size()) {
{
int nc = normals.size();
Vector3 *w = normals.ptrw();
for (int i = 0; i < nc; i++) {
w[i] = -w[i];
}
}
{
int ic = indices.size();
int *w = indices.ptrw();
for (int i = 0; i < ic; i += 3) {
SWAP(w[i + 0], w[i + 1]);
}
}
arr[RS::ARRAY_NORMAL] = normals;
arr[RS::ARRAY_INDEX] = indices;
}
}
array_len = pc;
index_array_len = indices.size();
// in with the new
RenderingServer::get_singleton()->mesh_clear(mesh);
RenderingServer::get_singleton()->mesh_add_surface_from_arrays(mesh, (RenderingServer::PrimitiveType)primitive_type, arr);
RenderingServer::get_singleton()->mesh_surface_set_material(mesh, 0, material.is_null() ? RID() : material->get_rid());
pending_request = false;
clear_cache();
const_cast<PrimitiveMesh *>(this)->emit_changed();
}
void PrimitiveMesh::_request_update() {
if (pending_request) {
return;
}
_update();
}
int PrimitiveMesh::get_surface_count() const {
if (pending_request) {
_update();
}
return 1;
}
int PrimitiveMesh::surface_get_array_len(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, 1, -1);
if (pending_request) {
_update();
}
return array_len;
}
int PrimitiveMesh::surface_get_array_index_len(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, 1, -1);
if (pending_request) {
_update();
}
return index_array_len;
}
Array PrimitiveMesh::surface_get_arrays(int p_surface) const {
ERR_FAIL_INDEX_V(p_surface, 1, Array());
if (pending_request) {
_update();
}
return RenderingServer::get_singleton()->mesh_surface_get_arrays(mesh, 0);
}
Dictionary PrimitiveMesh::surface_get_lods(int p_surface) const {
return Dictionary(); //not really supported
}
Array PrimitiveMesh::surface_get_blend_shape_arrays(int p_surface) const {
return Array(); //not really supported
}
uint32_t PrimitiveMesh::surface_get_format(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, 1, 0);
return RS::ARRAY_FORMAT_VERTEX | RS::ARRAY_FORMAT_NORMAL | RS::ARRAY_FORMAT_TANGENT | RS::ARRAY_FORMAT_TEX_UV | RS::ARRAY_FORMAT_INDEX;
}
Mesh::PrimitiveType PrimitiveMesh::surface_get_primitive_type(int p_idx) const {
return primitive_type;
}
void PrimitiveMesh::surface_set_material(int p_idx, const Ref<Material> &p_material) {
ERR_FAIL_INDEX(p_idx, 1);
set_material(p_material);
}
Ref<Material> PrimitiveMesh::surface_get_material(int p_idx) const {
ERR_FAIL_INDEX_V(p_idx, 1, nullptr);
return material;
}
int PrimitiveMesh::get_blend_shape_count() const {
return 0;
}
StringName PrimitiveMesh::get_blend_shape_name(int p_index) const {
return StringName();
}
void PrimitiveMesh::set_blend_shape_name(int p_index, const StringName &p_name) {
}
AABB PrimitiveMesh::get_aabb() const {
if (pending_request) {
_update();
}
return aabb;
}
RID PrimitiveMesh::get_rid() const {
if (pending_request) {
_update();
}
return mesh;
}
void PrimitiveMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("_update"), &PrimitiveMesh::_update);
ClassDB::bind_method(D_METHOD("set_material", "material"), &PrimitiveMesh::set_material);
ClassDB::bind_method(D_METHOD("get_material"), &PrimitiveMesh::get_material);
ClassDB::bind_method(D_METHOD("get_mesh_arrays"), &PrimitiveMesh::get_mesh_arrays);
ClassDB::bind_method(D_METHOD("set_custom_aabb", "aabb"), &PrimitiveMesh::set_custom_aabb);
ClassDB::bind_method(D_METHOD("get_custom_aabb"), &PrimitiveMesh::get_custom_aabb);
ClassDB::bind_method(D_METHOD("set_flip_faces", "flip_faces"), &PrimitiveMesh::set_flip_faces);
ClassDB::bind_method(D_METHOD("get_flip_faces"), &PrimitiveMesh::get_flip_faces);
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "material", PROPERTY_HINT_RESOURCE_TYPE, "ShaderMaterial,StandardMaterial3D"), "set_material", "get_material");
ADD_PROPERTY(PropertyInfo(Variant::AABB, "custom_aabb", PROPERTY_HINT_NONE, ""), "set_custom_aabb", "get_custom_aabb");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "flip_faces"), "set_flip_faces", "get_flip_faces");
}
void PrimitiveMesh::set_material(const Ref<Material> &p_material) {
material = p_material;
if (!pending_request) {
// just apply it, else it'll happen when _update is called.
RenderingServer::get_singleton()->mesh_surface_set_material(mesh, 0, material.is_null() ? RID() : material->get_rid());
notify_property_list_changed();
emit_changed();
};
}
Ref<Material> PrimitiveMesh::get_material() const {
return material;
}
Array PrimitiveMesh::get_mesh_arrays() const {
return surface_get_arrays(0);
}
void PrimitiveMesh::set_custom_aabb(const AABB &p_custom) {
custom_aabb = p_custom;
RS::get_singleton()->mesh_set_custom_aabb(mesh, custom_aabb);
emit_changed();
}
AABB PrimitiveMesh::get_custom_aabb() const {
return custom_aabb;
}
void PrimitiveMesh::set_flip_faces(bool p_enable) {
flip_faces = p_enable;
_request_update();
}
bool PrimitiveMesh::get_flip_faces() const {
return flip_faces;
}
PrimitiveMesh::PrimitiveMesh() {
mesh = RenderingServer::get_singleton()->mesh_create();
}
PrimitiveMesh::~PrimitiveMesh() {
RenderingServer::get_singleton()->free(mesh);
}
/**
CapsuleMesh
*/
void CapsuleMesh::_create_mesh_array(Array &p_arr) const {
int i, j, prevrow, thisrow, point;
float x, y, z, u, v, w;
float onethird = 1.0 / 3.0;
float twothirds = 2.0 / 3.0;
// note, this has been aligned with our collision shape but I've left the descriptions as top/middle/bottom
Vector<Vector3> points;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int> indices;
point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
/* top hemisphere */
thisrow = 0;
prevrow = 0;
for (j = 0; j <= (rings + 1); j++) {
v = j;
v /= (rings + 1);
w = sin(0.5 * Math_PI * v);
y = radius * cos(0.5 * Math_PI * v);
for (i = 0; i <= radial_segments; i++) {
u = i;
u /= radial_segments;
x = -sin(u * Math_TAU);
z = cos(u * Math_TAU);
Vector3 p = Vector3(x * radius * w, y, -z * radius * w);
points.push_back(p + Vector3(0.0, 0.5 * mid_height, 0.0));
normals.push_back(p.normalized());
ADD_TANGENT(z, 0.0, x, 1.0)
uvs.push_back(Vector2(u, v * onethird));
point++;
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
};
prevrow = thisrow;
thisrow = point;
};
/* cylinder */
thisrow = point;
prevrow = 0;
for (j = 0; j <= (rings + 1); j++) {
v = j;
v /= (rings + 1);
y = mid_height * v;
y = (mid_height * 0.5) - y;
for (i = 0; i <= radial_segments; i++) {
u = i;
u /= radial_segments;
x = -sin(u * Math_TAU);
z = cos(u * Math_TAU);
Vector3 p = Vector3(x * radius, y, -z * radius);
points.push_back(p);
normals.push_back(Vector3(x, 0.0, -z));
ADD_TANGENT(z, 0.0, x, 1.0)
uvs.push_back(Vector2(u, onethird + (v * onethird)));
point++;
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
};
prevrow = thisrow;
thisrow = point;
};
/* bottom hemisphere */
thisrow = point;
prevrow = 0;
for (j = 0; j <= (rings + 1); j++) {
v = j;
v /= (rings + 1);
v += 1.0;
w = sin(0.5 * Math_PI * v);
y = radius * cos(0.5 * Math_PI * v);
for (i = 0; i <= radial_segments; i++) {
float u2 = i;
u2 /= radial_segments;
x = -sin(u2 * Math_TAU);
z = cos(u2 * Math_TAU);
Vector3 p = Vector3(x * radius * w, y, -z * radius * w);
points.push_back(p + Vector3(0.0, -0.5 * mid_height, 0.0));
normals.push_back(p.normalized());
ADD_TANGENT(z, 0.0, x, 1.0)
uvs.push_back(Vector2(u2, twothirds + ((v - 1.0) * onethird)));
point++;
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
};
prevrow = thisrow;
thisrow = point;
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void CapsuleMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_radius", "radius"), &CapsuleMesh::set_radius);
ClassDB::bind_method(D_METHOD("get_radius"), &CapsuleMesh::get_radius);
ClassDB::bind_method(D_METHOD("set_mid_height", "mid_height"), &CapsuleMesh::set_mid_height);
ClassDB::bind_method(D_METHOD("get_mid_height"), &CapsuleMesh::get_mid_height);
ClassDB::bind_method(D_METHOD("set_radial_segments", "segments"), &CapsuleMesh::set_radial_segments);
ClassDB::bind_method(D_METHOD("get_radial_segments"), &CapsuleMesh::get_radial_segments);
ClassDB::bind_method(D_METHOD("set_rings", "rings"), &CapsuleMesh::set_rings);
ClassDB::bind_method(D_METHOD("get_rings"), &CapsuleMesh::get_rings);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_radius", "get_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "mid_height", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_mid_height", "get_mid_height");
ADD_PROPERTY(PropertyInfo(Variant::INT, "radial_segments", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_radial_segments", "get_radial_segments");
ADD_PROPERTY(PropertyInfo(Variant::INT, "rings", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_rings", "get_rings");
}
void CapsuleMesh::set_radius(const float p_radius) {
radius = p_radius;
_request_update();
}
float CapsuleMesh::get_radius() const {
return radius;
}
void CapsuleMesh::set_mid_height(const float p_mid_height) {
mid_height = p_mid_height;
_request_update();
}
float CapsuleMesh::get_mid_height() const {
return mid_height;
}
void CapsuleMesh::set_radial_segments(const int p_segments) {
radial_segments = p_segments > 4 ? p_segments : 4;
_request_update();
}
int CapsuleMesh::get_radial_segments() const {
return radial_segments;
}
void CapsuleMesh::set_rings(const int p_rings) {
rings = p_rings > 1 ? p_rings : 1;
_request_update();
}
int CapsuleMesh::get_rings() const {
return rings;
}
CapsuleMesh::CapsuleMesh() {}
/**
BoxMesh
*/
void BoxMesh::_create_mesh_array(Array &p_arr) const {
int i, j, prevrow, thisrow, point;
float x, y, z;
float onethird = 1.0 / 3.0;
float twothirds = 2.0 / 3.0;
Vector3 start_pos = size * -0.5;
// set our bounding box
Vector<Vector3> points;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int> indices;
point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
// front + back
y = start_pos.y;
thisrow = point;
prevrow = 0;
for (j = 0; j <= subdivide_h + 1; j++) {
x = start_pos.x;
for (i = 0; i <= subdivide_w + 1; i++) {
float u = i;
float v = j;
u /= (3.0 * (subdivide_w + 1.0));
v /= (2.0 * (subdivide_h + 1.0));
// front
points.push_back(Vector3(x, -y, -start_pos.z)); // double negative on the Z!
normals.push_back(Vector3(0.0, 0.0, 1.0));
ADD_TANGENT(1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(u, v));
point++;
// back
points.push_back(Vector3(-x, -y, start_pos.z));
normals.push_back(Vector3(0.0, 0.0, -1.0));
ADD_TANGENT(-1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(twothirds + u, v));
point++;
if (i > 0 && j > 0) {
int i2 = i * 2;
// front
indices.push_back(prevrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2);
indices.push_back(thisrow + i2 - 2);
// back
indices.push_back(prevrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
};
x += size.x / (subdivide_w + 1.0);
};
y += size.y / (subdivide_h + 1.0);
prevrow = thisrow;
thisrow = point;
};
// left + right
y = start_pos.y;
thisrow = point;
prevrow = 0;
for (j = 0; j <= (subdivide_h + 1); j++) {
z = start_pos.z;
for (i = 0; i <= (subdivide_d + 1); i++) {
float u = i;
float v = j;
u /= (3.0 * (subdivide_d + 1.0));
v /= (2.0 * (subdivide_h + 1.0));
// right
points.push_back(Vector3(-start_pos.x, -y, -z));
normals.push_back(Vector3(1.0, 0.0, 0.0));
ADD_TANGENT(0.0, 0.0, -1.0, 1.0);
uvs.push_back(Vector2(onethird + u, v));
point++;
// left
points.push_back(Vector3(start_pos.x, -y, z));
normals.push_back(Vector3(-1.0, 0.0, 0.0));
ADD_TANGENT(0.0, 0.0, 1.0, 1.0);
uvs.push_back(Vector2(u, 0.5 + v));
point++;
if (i > 0 && j > 0) {
int i2 = i * 2;
// right
indices.push_back(prevrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2);
indices.push_back(thisrow + i2 - 2);
// left
indices.push_back(prevrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
};
z += size.z / (subdivide_d + 1.0);
};
y += size.y / (subdivide_h + 1.0);
prevrow = thisrow;
thisrow = point;
};
// top + bottom
z = start_pos.z;
thisrow = point;
prevrow = 0;
for (j = 0; j <= (subdivide_d + 1); j++) {
x = start_pos.x;
for (i = 0; i <= (subdivide_w + 1); i++) {
float u = i;
float v = j;
u /= (3.0 * (subdivide_w + 1.0));
v /= (2.0 * (subdivide_d + 1.0));
// top
points.push_back(Vector3(-x, -start_pos.y, -z));
normals.push_back(Vector3(0.0, 1.0, 0.0));
ADD_TANGENT(-1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(onethird + u, 0.5 + v));
point++;
// bottom
points.push_back(Vector3(x, start_pos.y, -z));
normals.push_back(Vector3(0.0, -1.0, 0.0));
ADD_TANGENT(1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(twothirds + u, 0.5 + v));
point++;
if (i > 0 && j > 0) {
int i2 = i * 2;
// top
indices.push_back(prevrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2);
indices.push_back(thisrow + i2 - 2);
// bottom
indices.push_back(prevrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
};
x += size.x / (subdivide_w + 1.0);
};
z += size.z / (subdivide_d + 1.0);
prevrow = thisrow;
thisrow = point;
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void BoxMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_size", "size"), &BoxMesh::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &BoxMesh::get_size);
ClassDB::bind_method(D_METHOD("set_subdivide_width", "subdivide"), &BoxMesh::set_subdivide_width);
ClassDB::bind_method(D_METHOD("get_subdivide_width"), &BoxMesh::get_subdivide_width);
ClassDB::bind_method(D_METHOD("set_subdivide_height", "divisions"), &BoxMesh::set_subdivide_height);
ClassDB::bind_method(D_METHOD("get_subdivide_height"), &BoxMesh::get_subdivide_height);
ClassDB::bind_method(D_METHOD("set_subdivide_depth", "divisions"), &BoxMesh::set_subdivide_depth);
ClassDB::bind_method(D_METHOD("get_subdivide_depth"), &BoxMesh::get_subdivide_depth);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "size"), "set_size", "get_size");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_width", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_width", "get_subdivide_width");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_height", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_height", "get_subdivide_height");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_depth", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_depth", "get_subdivide_depth");
}
void BoxMesh::set_size(const Vector3 &p_size) {
size = p_size;
_request_update();
}
Vector3 BoxMesh::get_size() const {
return size;
}
void BoxMesh::set_subdivide_width(const int p_divisions) {
subdivide_w = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int BoxMesh::get_subdivide_width() const {
return subdivide_w;
}
void BoxMesh::set_subdivide_height(const int p_divisions) {
subdivide_h = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int BoxMesh::get_subdivide_height() const {
return subdivide_h;
}
void BoxMesh::set_subdivide_depth(const int p_divisions) {
subdivide_d = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int BoxMesh::get_subdivide_depth() const {
return subdivide_d;
}
BoxMesh::BoxMesh() {}
/**
CylinderMesh
*/
void CylinderMesh::_create_mesh_array(Array &p_arr) const {
int i, j, prevrow, thisrow, point;
float x, y, z, u, v, radius;
Vector<Vector3> points;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int> indices;
point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
thisrow = 0;
prevrow = 0;
for (j = 0; j <= (rings + 1); j++) {
v = j;
v /= (rings + 1);
radius = top_radius + ((bottom_radius - top_radius) * v);
y = height * v;
y = (height * 0.5) - y;
for (i = 0; i <= radial_segments; i++) {
u = i;
u /= radial_segments;
x = sin(u * Math_TAU);
z = cos(u * Math_TAU);
Vector3 p = Vector3(x * radius, y, z * radius);
points.push_back(p);
normals.push_back(Vector3(x, 0.0, z));
ADD_TANGENT(z, 0.0, -x, 1.0)
uvs.push_back(Vector2(u, v * 0.5));
point++;
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
};
prevrow = thisrow;
thisrow = point;
};
// add top
if (top_radius > 0.0) {
y = height * 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(0.25, 0.75));
point++;
for (i = 0; i <= radial_segments; i++) {
float r = i;
r /= radial_segments;
x = sin(r * Math_TAU);
z = cos(r * Math_TAU);
u = ((x + 1.0) * 0.25);
v = 0.5 + ((z + 1.0) * 0.25);
Vector3 p = Vector3(x * top_radius, y, z * top_radius);
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++;
if (i > 0) {
indices.push_back(thisrow);
indices.push_back(point - 1);
indices.push_back(point - 2);
};
};
};
// add bottom
if (bottom_radius > 0.0) {
y = height * -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++;
for (i = 0; i <= radial_segments; i++) {
float r = i;
r /= radial_segments;
x = sin(r * Math_TAU);
z = cos(r * Math_TAU);
u = 0.5 + ((x + 1.0) * 0.25);
v = 1.0 - ((z + 1.0) * 0.25);
Vector3 p = Vector3(x * bottom_radius, y, z * bottom_radius);
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++;
if (i > 0) {
indices.push_back(thisrow);
indices.push_back(point - 2);
indices.push_back(point - 1);
};
};
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void CylinderMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_top_radius", "radius"), &CylinderMesh::set_top_radius);
ClassDB::bind_method(D_METHOD("get_top_radius"), &CylinderMesh::get_top_radius);
ClassDB::bind_method(D_METHOD("set_bottom_radius", "radius"), &CylinderMesh::set_bottom_radius);
ClassDB::bind_method(D_METHOD("get_bottom_radius"), &CylinderMesh::get_bottom_radius);
ClassDB::bind_method(D_METHOD("set_height", "height"), &CylinderMesh::set_height);
ClassDB::bind_method(D_METHOD("get_height"), &CylinderMesh::get_height);
ClassDB::bind_method(D_METHOD("set_radial_segments", "segments"), &CylinderMesh::set_radial_segments);
ClassDB::bind_method(D_METHOD("get_radial_segments"), &CylinderMesh::get_radial_segments);
ClassDB::bind_method(D_METHOD("set_rings", "rings"), &CylinderMesh::set_rings);
ClassDB::bind_method(D_METHOD("get_rings"), &CylinderMesh::get_rings);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "top_radius", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_top_radius", "get_top_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "bottom_radius", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_bottom_radius", "get_bottom_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "height", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_height", "get_height");
ADD_PROPERTY(PropertyInfo(Variant::INT, "radial_segments", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_radial_segments", "get_radial_segments");
ADD_PROPERTY(PropertyInfo(Variant::INT, "rings", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_rings", "get_rings");
}
void CylinderMesh::set_top_radius(const float p_radius) {
top_radius = p_radius;
_request_update();
}
float CylinderMesh::get_top_radius() const {
return top_radius;
}
void CylinderMesh::set_bottom_radius(const float p_radius) {
bottom_radius = p_radius;
_request_update();
}
float CylinderMesh::get_bottom_radius() const {
return bottom_radius;
}
void CylinderMesh::set_height(const float p_height) {
height = p_height;
_request_update();
}
float CylinderMesh::get_height() const {
return height;
}
void CylinderMesh::set_radial_segments(const int p_segments) {
radial_segments = p_segments > 4 ? p_segments : 4;
_request_update();
}
int CylinderMesh::get_radial_segments() const {
return radial_segments;
}
void CylinderMesh::set_rings(const int p_rings) {
rings = p_rings > 0 ? p_rings : 0;
_request_update();
}
int CylinderMesh::get_rings() const {
return rings;
}
CylinderMesh::CylinderMesh() {}
/**
PlaneMesh
*/
void PlaneMesh::_create_mesh_array(Array &p_arr) const {
int i, j, prevrow, thisrow, point;
float x, z;
Size2 start_pos = size * -0.5;
Vector<Vector3> points;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int> indices;
point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
/* top + bottom */
z = start_pos.y;
thisrow = point;
prevrow = 0;
for (j = 0; j <= (subdivide_d + 1); j++) {
x = start_pos.x;
for (i = 0; i <= (subdivide_w + 1); i++) {
float u = i;
float v = j;
u /= (subdivide_w + 1.0);
v /= (subdivide_d + 1.0);
points.push_back(Vector3(-x, 0.0, -z));
normals.push_back(Vector3(0.0, 1.0, 0.0));
ADD_TANGENT(1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(1.0 - u, 1.0 - v)); /* 1.0 - uv to match orientation with Quad */
point++;
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
x += size.x / (subdivide_w + 1.0);
};
z += size.y / (subdivide_d + 1.0);
prevrow = thisrow;
thisrow = point;
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void PlaneMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_size", "size"), &PlaneMesh::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &PlaneMesh::get_size);
ClassDB::bind_method(D_METHOD("set_subdivide_width", "subdivide"), &PlaneMesh::set_subdivide_width);
ClassDB::bind_method(D_METHOD("get_subdivide_width"), &PlaneMesh::get_subdivide_width);
ClassDB::bind_method(D_METHOD("set_subdivide_depth", "subdivide"), &PlaneMesh::set_subdivide_depth);
ClassDB::bind_method(D_METHOD("get_subdivide_depth"), &PlaneMesh::get_subdivide_depth);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size"), "set_size", "get_size");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_width", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_width", "get_subdivide_width");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_depth", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_depth", "get_subdivide_depth");
}
void PlaneMesh::set_size(const Size2 &p_size) {
size = p_size;
_request_update();
}
Size2 PlaneMesh::get_size() const {
return size;
}
void PlaneMesh::set_subdivide_width(const int p_divisions) {
subdivide_w = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int PlaneMesh::get_subdivide_width() const {
return subdivide_w;
}
void PlaneMesh::set_subdivide_depth(const int p_divisions) {
subdivide_d = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int PlaneMesh::get_subdivide_depth() const {
return subdivide_d;
}
PlaneMesh::PlaneMesh() {}
/**
PrismMesh
*/
void PrismMesh::_create_mesh_array(Array &p_arr) const {
int i, j, prevrow, thisrow, point;
float x, y, z;
float onethird = 1.0 / 3.0;
float twothirds = 2.0 / 3.0;
Vector3 start_pos = size * -0.5;
// set our bounding box
Vector<Vector3> points;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int> indices;
point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
/* front + back */
y = start_pos.y;
thisrow = point;
prevrow = 0;
for (j = 0; j <= (subdivide_h + 1); j++) {
float scale = (y - start_pos.y) / size.y;
float scaled_size_x = size.x * scale;
float start_x = start_pos.x + (1.0 - scale) * size.x * left_to_right;
float offset_front = (1.0 - scale) * onethird * left_to_right;
float offset_back = (1.0 - scale) * onethird * (1.0 - left_to_right);
x = 0.0;
for (i = 0; i <= (subdivide_w + 1); i++) {
float u = i;
float v = j;
u /= (3.0 * (subdivide_w + 1.0));
v /= (2.0 * (subdivide_h + 1.0));
u *= scale;
/* front */
points.push_back(Vector3(start_x + x, -y, -start_pos.z)); // double negative on the Z!
normals.push_back(Vector3(0.0, 0.0, 1.0));
ADD_TANGENT(1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(offset_front + u, v));
point++;
/* back */
points.push_back(Vector3(start_x + scaled_size_x - x, -y, start_pos.z));
normals.push_back(Vector3(0.0, 0.0, -1.0));
ADD_TANGENT(-1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(twothirds + offset_back + u, v));
point++;
if (i > 0 && j == 1) {
int i2 = i * 2;
/* front */
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2);
indices.push_back(thisrow + i2 - 2);
/* back */
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
} else if (i > 0 && j > 0) {
int i2 = i * 2;
/* front */
indices.push_back(prevrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2);
indices.push_back(thisrow + i2 - 2);
/* back */
indices.push_back(prevrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
};
x += scale * size.x / (subdivide_w + 1.0);
};
y += size.y / (subdivide_h + 1.0);
prevrow = thisrow;
thisrow = point;
};
/* left + right */
Vector3 normal_left, normal_right;
normal_left = Vector3(-size.y, size.x * left_to_right, 0.0);
normal_right = Vector3(size.y, size.x * (1.0 - left_to_right), 0.0);
normal_left.normalize();
normal_right.normalize();
y = start_pos.y;
thisrow = point;
prevrow = 0;
for (j = 0; j <= (subdivide_h + 1); j++) {
float left, right;
float scale = (y - start_pos.y) / size.y;
left = start_pos.x + (size.x * (1.0 - scale) * left_to_right);
right = left + (size.x * scale);
z = start_pos.z;
for (i = 0; i <= (subdivide_d + 1); i++) {
float u = i;
float v = j;
u /= (3.0 * (subdivide_d + 1.0));
v /= (2.0 * (subdivide_h + 1.0));
/* right */
points.push_back(Vector3(right, -y, -z));
normals.push_back(normal_right);
ADD_TANGENT(0.0, 0.0, -1.0, 1.0);
uvs.push_back(Vector2(onethird + u, v));
point++;
/* left */
points.push_back(Vector3(left, -y, z));
normals.push_back(normal_left);
ADD_TANGENT(0.0, 0.0, 1.0, 1.0);
uvs.push_back(Vector2(u, 0.5 + v));
point++;
if (i > 0 && j > 0) {
int i2 = i * 2;
/* right */
indices.push_back(prevrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2 - 2);
indices.push_back(prevrow + i2);
indices.push_back(thisrow + i2);
indices.push_back(thisrow + i2 - 2);
/* left */
indices.push_back(prevrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
indices.push_back(prevrow + i2 + 1);
indices.push_back(thisrow + i2 + 1);
indices.push_back(thisrow + i2 - 1);
};
z += size.z / (subdivide_d + 1.0);
};
y += size.y / (subdivide_h + 1.0);
prevrow = thisrow;
thisrow = point;
};
/* bottom */
z = start_pos.z;
thisrow = point;
prevrow = 0;
for (j = 0; j <= (subdivide_d + 1); j++) {
x = start_pos.x;
for (i = 0; i <= (subdivide_w + 1); i++) {
float u = i;
float v = j;
u /= (3.0 * (subdivide_w + 1.0));
v /= (2.0 * (subdivide_d + 1.0));
/* bottom */
points.push_back(Vector3(x, start_pos.y, -z));
normals.push_back(Vector3(0.0, -1.0, 0.0));
ADD_TANGENT(1.0, 0.0, 0.0, 1.0);
uvs.push_back(Vector2(twothirds + u, 0.5 + v));
point++;
if (i > 0 && j > 0) {
/* bottom */
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
x += size.x / (subdivide_w + 1.0);
};
z += size.z / (subdivide_d + 1.0);
prevrow = thisrow;
thisrow = point;
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void PrismMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_left_to_right", "left_to_right"), &PrismMesh::set_left_to_right);
ClassDB::bind_method(D_METHOD("get_left_to_right"), &PrismMesh::get_left_to_right);
ClassDB::bind_method(D_METHOD("set_size", "size"), &PrismMesh::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &PrismMesh::get_size);
ClassDB::bind_method(D_METHOD("set_subdivide_width", "segments"), &PrismMesh::set_subdivide_width);
ClassDB::bind_method(D_METHOD("get_subdivide_width"), &PrismMesh::get_subdivide_width);
ClassDB::bind_method(D_METHOD("set_subdivide_height", "segments"), &PrismMesh::set_subdivide_height);
ClassDB::bind_method(D_METHOD("get_subdivide_height"), &PrismMesh::get_subdivide_height);
ClassDB::bind_method(D_METHOD("set_subdivide_depth", "segments"), &PrismMesh::set_subdivide_depth);
ClassDB::bind_method(D_METHOD("get_subdivide_depth"), &PrismMesh::get_subdivide_depth);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "left_to_right", PROPERTY_HINT_RANGE, "-2.0,2.0,0.1"), "set_left_to_right", "get_left_to_right");
ADD_PROPERTY(PropertyInfo(Variant::VECTOR3, "size"), "set_size", "get_size");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_width", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_width", "get_subdivide_width");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_height", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_height", "get_subdivide_height");
ADD_PROPERTY(PropertyInfo(Variant::INT, "subdivide_depth", PROPERTY_HINT_RANGE, "0,100,1,or_greater"), "set_subdivide_depth", "get_subdivide_depth");
}
void PrismMesh::set_left_to_right(const float p_left_to_right) {
left_to_right = p_left_to_right;
_request_update();
}
float PrismMesh::get_left_to_right() const {
return left_to_right;
}
void PrismMesh::set_size(const Vector3 &p_size) {
size = p_size;
_request_update();
}
Vector3 PrismMesh::get_size() const {
return size;
}
void PrismMesh::set_subdivide_width(const int p_divisions) {
subdivide_w = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int PrismMesh::get_subdivide_width() const {
return subdivide_w;
}
void PrismMesh::set_subdivide_height(const int p_divisions) {
subdivide_h = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int PrismMesh::get_subdivide_height() const {
return subdivide_h;
}
void PrismMesh::set_subdivide_depth(const int p_divisions) {
subdivide_d = p_divisions > 0 ? p_divisions : 0;
_request_update();
}
int PrismMesh::get_subdivide_depth() const {
return subdivide_d;
}
PrismMesh::PrismMesh() {}
/**
QuadMesh
*/
void QuadMesh::_create_mesh_array(Array &p_arr) const {
Vector<Vector3> faces;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
faces.resize(6);
normals.resize(6);
tangents.resize(6 * 4);
uvs.resize(6);
Vector2 _size = Vector2(size.x / 2.0f, size.y / 2.0f);
Vector3 quad_faces[4] = {
Vector3(-_size.x, -_size.y, 0),
Vector3(-_size.x, _size.y, 0),
Vector3(_size.x, _size.y, 0),
Vector3(_size.x, -_size.y, 0),
};
static const int indices[6] = {
0, 1, 2,
0, 2, 3
};
for (int i = 0; i < 6; i++) {
int j = indices[i];
faces.set(i, quad_faces[j]);
normals.set(i, Vector3(0, 0, 1));
tangents.set(i * 4 + 0, 1.0);
tangents.set(i * 4 + 1, 0.0);
tangents.set(i * 4 + 2, 0.0);
tangents.set(i * 4 + 3, 1.0);
static const Vector2 quad_uv[4] = {
Vector2(0, 1),
Vector2(0, 0),
Vector2(1, 0),
Vector2(1, 1),
};
uvs.set(i, quad_uv[j]);
}
p_arr[RS::ARRAY_VERTEX] = faces;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
}
void QuadMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_size", "size"), &QuadMesh::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &QuadMesh::get_size);
ADD_PROPERTY(PropertyInfo(Variant::VECTOR2, "size"), "set_size", "get_size");
}
QuadMesh::QuadMesh() {
primitive_type = PRIMITIVE_TRIANGLES;
}
void QuadMesh::set_size(const Size2 &p_size) {
size = p_size;
_request_update();
}
Size2 QuadMesh::get_size() const {
return size;
}
/**
SphereMesh
*/
void SphereMesh::_create_mesh_array(Array &p_arr) const {
int i, j, prevrow, thisrow, point;
float x, y, z;
// set our bounding box
Vector<Vector3> points;
Vector<Vector3> normals;
Vector<float> tangents;
Vector<Vector2> uvs;
Vector<int> indices;
point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
thisrow = 0;
prevrow = 0;
for (j = 0; j <= (rings + 1); j++) {
float v = j;
float w;
v /= (rings + 1);
w = sin(Math_PI * v);
y = height * (is_hemisphere ? 1.0 : 0.5) * cos(Math_PI * v);
for (i = 0; i <= radial_segments; i++) {
float u = i;
u /= radial_segments;
x = sin(u * Math_TAU);
z = cos(u * Math_TAU);
if (is_hemisphere && y < 0.0) {
points.push_back(Vector3(x * radius * w, 0.0, z * radius * w));
normals.push_back(Vector3(0.0, -1.0, 0.0));
} else {
Vector3 p = Vector3(x * radius * w, y, z * radius * w);
points.push_back(p);
normals.push_back(p.normalized());
};
ADD_TANGENT(z, 0.0, -x, 1.0)
uvs.push_back(Vector2(u, v));
point++;
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
};
};
prevrow = thisrow;
thisrow = point;
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_INDEX] = indices;
}
void SphereMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_radius", "radius"), &SphereMesh::set_radius);
ClassDB::bind_method(D_METHOD("get_radius"), &SphereMesh::get_radius);
ClassDB::bind_method(D_METHOD("set_height", "height"), &SphereMesh::set_height);
ClassDB::bind_method(D_METHOD("get_height"), &SphereMesh::get_height);
ClassDB::bind_method(D_METHOD("set_radial_segments", "radial_segments"), &SphereMesh::set_radial_segments);
ClassDB::bind_method(D_METHOD("get_radial_segments"), &SphereMesh::get_radial_segments);
ClassDB::bind_method(D_METHOD("set_rings", "rings"), &SphereMesh::set_rings);
ClassDB::bind_method(D_METHOD("get_rings"), &SphereMesh::get_rings);
ClassDB::bind_method(D_METHOD("set_is_hemisphere", "is_hemisphere"), &SphereMesh::set_is_hemisphere);
ClassDB::bind_method(D_METHOD("get_is_hemisphere"), &SphereMesh::get_is_hemisphere);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_radius", "get_radius");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "height", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_height", "get_height");
ADD_PROPERTY(PropertyInfo(Variant::INT, "radial_segments", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_radial_segments", "get_radial_segments");
ADD_PROPERTY(PropertyInfo(Variant::INT, "rings", PROPERTY_HINT_RANGE, "1,100,1,or_greater"), "set_rings", "get_rings");
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "is_hemisphere"), "set_is_hemisphere", "get_is_hemisphere");
}
void SphereMesh::set_radius(const float p_radius) {
radius = p_radius;
_request_update();
}
float SphereMesh::get_radius() const {
return radius;
}
void SphereMesh::set_height(const float p_height) {
height = p_height;
_request_update();
}
float SphereMesh::get_height() const {
return height;
}
void SphereMesh::set_radial_segments(const int p_radial_segments) {
radial_segments = p_radial_segments > 4 ? p_radial_segments : 4;
_request_update();
}
int SphereMesh::get_radial_segments() const {
return radial_segments;
}
void SphereMesh::set_rings(const int p_rings) {
rings = p_rings > 1 ? p_rings : 1;
_request_update();
}
int SphereMesh::get_rings() const {
return rings;
}
void SphereMesh::set_is_hemisphere(const bool p_is_hemisphere) {
is_hemisphere = p_is_hemisphere;
_request_update();
}
bool SphereMesh::get_is_hemisphere() const {
return is_hemisphere;
}
SphereMesh::SphereMesh() {}
/**
PointMesh
*/
void PointMesh::_create_mesh_array(Array &p_arr) const {
Vector<Vector3> faces;
faces.resize(1);
faces.set(0, Vector3(0.0, 0.0, 0.0));
p_arr[RS::ARRAY_VERTEX] = faces;
}
PointMesh::PointMesh() {
primitive_type = PRIMITIVE_POINTS;
}
// TUBE TRAIL
void TubeTrailMesh::set_radius(const float p_radius) {
radius = p_radius;
_request_update();
}
float TubeTrailMesh::get_radius() const {
return radius;
}
void TubeTrailMesh::set_radial_steps(const int p_radial_steps) {
ERR_FAIL_COND(p_radial_steps < 3 || p_radial_steps > 128);
radial_steps = p_radial_steps;
_request_update();
}
int TubeTrailMesh::get_radial_steps() const {
return radial_steps;
}
void TubeTrailMesh::set_sections(const int p_sections) {
ERR_FAIL_COND(p_sections < 2 || p_sections > 128);
sections = p_sections;
_request_update();
}
int TubeTrailMesh::get_sections() const {
return sections;
}
void TubeTrailMesh::set_section_length(float p_section_length) {
section_length = p_section_length;
_request_update();
}
float TubeTrailMesh::get_section_length() const {
return section_length;
}
void TubeTrailMesh::set_section_rings(const int p_section_rings) {
ERR_FAIL_COND(p_section_rings < 1 || p_section_rings > 1024);
section_rings = p_section_rings;
_request_update();
}
int TubeTrailMesh::get_section_rings() const {
return section_rings;
}
void TubeTrailMesh::set_curve(const Ref<Curve> &p_curve) {
if (curve == p_curve) {
return;
}
if (curve.is_valid()) {
curve->disconnect("changed", callable_mp(this, &TubeTrailMesh::_curve_changed));
}
curve = p_curve;
if (curve.is_valid()) {
curve->connect("changed", callable_mp(this, &TubeTrailMesh::_curve_changed));
}
_request_update();
}
Ref<Curve> TubeTrailMesh::get_curve() const {
return curve;
}
void TubeTrailMesh::_curve_changed() {
_request_update();
}
int TubeTrailMesh::get_builtin_bind_pose_count() const {
return sections + 1;
}
Transform TubeTrailMesh::get_builtin_bind_pose(int p_index) const {
float depth = section_length * sections;
Transform xform;
xform.origin.y = depth / 2.0 - section_length * float(p_index);
xform.origin.y = -xform.origin.y; //bind is an inverse transform, so negate y
return xform;
}
void TubeTrailMesh::_create_mesh_array(Array &p_arr) const {
PackedVector3Array points;
PackedVector3Array normals;
PackedFloat32Array tangents;
PackedVector2Array uvs;
PackedInt32Array bone_indices;
PackedFloat32Array bone_weights;
PackedInt32Array indices;
int point = 0;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
int thisrow = 0;
int prevrow = 0;
int total_rings = section_rings * sections;
float depth = section_length * sections;
for (int j = 0; j <= total_rings; j++) {
float v = j;
v /= total_rings;
float y = depth * v;
y = (depth * 0.5) - y;
int bone = j / section_rings;
float blend = 1.0 - float(j % section_rings) / float(section_rings);
for (int i = 0; i <= radial_steps; i++) {
float u = i;
u /= radial_steps;
float r = radius;
if (curve.is_valid() && curve->get_point_count() > 0) {
r *= curve->interpolate_baked(v);
}
float x = sin(u * Math_TAU);
float z = cos(u * Math_TAU);
Vector3 p = Vector3(x * r, y, z * r);
points.push_back(p);
normals.push_back(Vector3(x, 0, z));
ADD_TANGENT(z, 0.0, -x, 1.0)
uvs.push_back(Vector2(u, v * 0.5));
point++;
{
bone_indices.push_back(bone);
bone_indices.push_back(MIN(sections, bone + 1));
bone_indices.push_back(0);
bone_indices.push_back(0);
bone_weights.push_back(blend);
bone_weights.push_back(1.0 - blend);
bone_weights.push_back(0);
bone_weights.push_back(0);
}
if (i > 0 && j > 0) {
indices.push_back(prevrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i - 1);
indices.push_back(prevrow + i);
indices.push_back(thisrow + i);
indices.push_back(thisrow + i - 1);
}
}
prevrow = thisrow;
thisrow = point;
}
// add top
float scale_pos = 1.0;
if (curve.is_valid() && curve->get_point_count() > 0) {
scale_pos = curve->interpolate_baked(0);
}
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);
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->interpolate_baked(1.0);
}
// add bottom
if (scale_neg > CMP_EPSILON) {
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);
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);
};
};
};
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_BONES] = bone_indices;
p_arr[RS::ARRAY_WEIGHTS] = bone_weights;
p_arr[RS::ARRAY_INDEX] = indices;
}
void TubeTrailMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_radius", "radius"), &TubeTrailMesh::set_radius);
ClassDB::bind_method(D_METHOD("get_radius"), &TubeTrailMesh::get_radius);
ClassDB::bind_method(D_METHOD("set_radial_steps", "radial_steps"), &TubeTrailMesh::set_radial_steps);
ClassDB::bind_method(D_METHOD("get_radial_steps"), &TubeTrailMesh::get_radial_steps);
ClassDB::bind_method(D_METHOD("set_sections", "sections"), &TubeTrailMesh::set_sections);
ClassDB::bind_method(D_METHOD("get_sections"), &TubeTrailMesh::get_sections);
ClassDB::bind_method(D_METHOD("set_section_length", "section_length"), &TubeTrailMesh::set_section_length);
ClassDB::bind_method(D_METHOD("get_section_length"), &TubeTrailMesh::get_section_length);
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_curve", "curve"), &TubeTrailMesh::set_curve);
ClassDB::bind_method(D_METHOD("get_curve"), &TubeTrailMesh::get_curve);
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "radius", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_radius", "get_radius");
ADD_PROPERTY(PropertyInfo(Variant::INT, "radial_steps", PROPERTY_HINT_RANGE, "3,128,1"), "set_radial_steps", "get_radial_steps");
ADD_PROPERTY(PropertyInfo(Variant::INT, "sections", PROPERTY_HINT_RANGE, "2,128,1"), "set_sections", "get_sections");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "section_length", PROPERTY_HINT_RANGE, "0.001,1024.0,0.001,or_greater"), "set_section_length", "get_section_length");
ADD_PROPERTY(PropertyInfo(Variant::INT, "section_rings", PROPERTY_HINT_RANGE, "1,128,1"), "set_section_rings", "get_section_rings");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve", "get_curve");
}
TubeTrailMesh::TubeTrailMesh() {
}
// TUBE TRAIL
void RibbonTrailMesh::set_shape(Shape p_shape) {
shape = p_shape;
_request_update();
}
RibbonTrailMesh::Shape RibbonTrailMesh::get_shape() const {
return shape;
}
void RibbonTrailMesh::set_size(const float p_size) {
size = p_size;
_request_update();
}
float RibbonTrailMesh::get_size() const {
return size;
}
void RibbonTrailMesh::set_sections(const int p_sections) {
ERR_FAIL_COND(p_sections < 2 || p_sections > 128);
sections = p_sections;
_request_update();
}
int RibbonTrailMesh::get_sections() const {
return sections;
}
void RibbonTrailMesh::set_section_length(float p_section_length) {
section_length = p_section_length;
_request_update();
}
float RibbonTrailMesh::get_section_length() const {
return section_length;
}
void RibbonTrailMesh::set_section_segments(const int p_section_segments) {
ERR_FAIL_COND(p_section_segments < 1 || p_section_segments > 1024);
section_segments = p_section_segments;
_request_update();
}
int RibbonTrailMesh::get_section_segments() const {
return section_segments;
}
void RibbonTrailMesh::set_curve(const Ref<Curve> &p_curve) {
if (curve == p_curve) {
return;
}
if (curve.is_valid()) {
curve->disconnect("changed", callable_mp(this, &RibbonTrailMesh::_curve_changed));
}
curve = p_curve;
if (curve.is_valid()) {
curve->connect("changed", callable_mp(this, &RibbonTrailMesh::_curve_changed));
}
_request_update();
}
Ref<Curve> RibbonTrailMesh::get_curve() const {
return curve;
}
void RibbonTrailMesh::_curve_changed() {
_request_update();
}
int RibbonTrailMesh::get_builtin_bind_pose_count() const {
return sections + 1;
}
Transform RibbonTrailMesh::get_builtin_bind_pose(int p_index) const {
float depth = section_length * sections;
Transform xform;
xform.origin.y = depth / 2.0 - section_length * float(p_index);
xform.origin.y = -xform.origin.y; //bind is an inverse transform, so negate y
return xform;
}
void RibbonTrailMesh::_create_mesh_array(Array &p_arr) const {
PackedVector3Array points;
PackedVector3Array normals;
PackedFloat32Array tangents;
PackedVector2Array uvs;
PackedInt32Array bone_indices;
PackedFloat32Array bone_weights;
PackedInt32Array indices;
#define ADD_TANGENT(m_x, m_y, m_z, m_d) \
tangents.push_back(m_x); \
tangents.push_back(m_y); \
tangents.push_back(m_z); \
tangents.push_back(m_d);
int total_segments = section_segments * sections;
float depth = section_length * sections;
for (int j = 0; j <= total_segments; j++) {
float v = j;
v /= total_segments;
float y = depth * v;
y = (depth * 0.5) - y;
int bone = j / section_segments;
float blend = 1.0 - float(j % section_segments) / float(section_segments);
float s = size;
if (curve.is_valid() && curve->get_point_count() > 0) {
s *= curve->interpolate_baked(v);
}
points.push_back(Vector3(-s * 0.5, y, 0));
points.push_back(Vector3(+s * 0.5, y, 0));
if (shape == SHAPE_CROSS) {
points.push_back(Vector3(0, y, -s * 0.5));
points.push_back(Vector3(0, y, +s * 0.5));
}
normals.push_back(Vector3(0, 0, 1));
normals.push_back(Vector3(0, 0, 1));
if (shape == SHAPE_CROSS) {
normals.push_back(Vector3(1, 0, 0));
normals.push_back(Vector3(1, 0, 0));
}
uvs.push_back(Vector2(0, v));
uvs.push_back(Vector2(1, v));
if (shape == SHAPE_CROSS) {
uvs.push_back(Vector2(0, v));
uvs.push_back(Vector2(1, v));
}
ADD_TANGENT(0.0, 1.0, 0.0, 1.0)
ADD_TANGENT(0.0, 1.0, 0.0, 1.0)
if (shape == SHAPE_CROSS) {
ADD_TANGENT(0.0, 1.0, 0.0, 1.0)
ADD_TANGENT(0.0, 1.0, 0.0, 1.0)
}
for (int i = 0; i < (shape == SHAPE_CROSS ? 4 : 2); i++) {
bone_indices.push_back(bone);
bone_indices.push_back(MIN(sections, bone + 1));
bone_indices.push_back(0);
bone_indices.push_back(0);
bone_weights.push_back(blend);
bone_weights.push_back(1.0 - blend);
bone_weights.push_back(0);
bone_weights.push_back(0);
}
if (j > 0) {
if (shape == SHAPE_CROSS) {
int base = j * 4 - 4;
indices.push_back(base + 0);
indices.push_back(base + 1);
indices.push_back(base + 4);
indices.push_back(base + 1);
indices.push_back(base + 5);
indices.push_back(base + 4);
indices.push_back(base + 2);
indices.push_back(base + 3);
indices.push_back(base + 6);
indices.push_back(base + 3);
indices.push_back(base + 7);
indices.push_back(base + 6);
} else {
int base = j * 2 - 2;
indices.push_back(base + 0);
indices.push_back(base + 1);
indices.push_back(base + 2);
indices.push_back(base + 1);
indices.push_back(base + 3);
indices.push_back(base + 2);
}
}
}
p_arr[RS::ARRAY_VERTEX] = points;
p_arr[RS::ARRAY_NORMAL] = normals;
p_arr[RS::ARRAY_TANGENT] = tangents;
p_arr[RS::ARRAY_TEX_UV] = uvs;
p_arr[RS::ARRAY_BONES] = bone_indices;
p_arr[RS::ARRAY_WEIGHTS] = bone_weights;
p_arr[RS::ARRAY_INDEX] = indices;
}
void RibbonTrailMesh::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_size", "size"), &RibbonTrailMesh::set_size);
ClassDB::bind_method(D_METHOD("get_size"), &RibbonTrailMesh::get_size);
ClassDB::bind_method(D_METHOD("set_sections", "sections"), &RibbonTrailMesh::set_sections);
ClassDB::bind_method(D_METHOD("get_sections"), &RibbonTrailMesh::get_sections);
ClassDB::bind_method(D_METHOD("set_section_length", "section_length"), &RibbonTrailMesh::set_section_length);
ClassDB::bind_method(D_METHOD("get_section_length"), &RibbonTrailMesh::get_section_length);
ClassDB::bind_method(D_METHOD("set_section_segments", "section_segments"), &RibbonTrailMesh::set_section_segments);
ClassDB::bind_method(D_METHOD("get_section_segments"), &RibbonTrailMesh::get_section_segments);
ClassDB::bind_method(D_METHOD("set_curve", "curve"), &RibbonTrailMesh::set_curve);
ClassDB::bind_method(D_METHOD("get_curve"), &RibbonTrailMesh::get_curve);
ClassDB::bind_method(D_METHOD("set_shape", "shape"), &RibbonTrailMesh::set_shape);
ClassDB::bind_method(D_METHOD("get_shape"), &RibbonTrailMesh::get_shape);
ADD_PROPERTY(PropertyInfo(Variant::INT, "shape", PROPERTY_HINT_ENUM, "Flat,Cross"), "set_shape", "get_shape");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "size", PROPERTY_HINT_RANGE, "0.001,100.0,0.001,or_greater"), "set_size", "get_size");
ADD_PROPERTY(PropertyInfo(Variant::INT, "sections", PROPERTY_HINT_RANGE, "2,128,1"), "set_sections", "get_sections");
ADD_PROPERTY(PropertyInfo(Variant::FLOAT, "section_length", PROPERTY_HINT_RANGE, "0.001,1024.0,0.001,or_greater"), "set_section_length", "get_section_length");
ADD_PROPERTY(PropertyInfo(Variant::INT, "section_segments", PROPERTY_HINT_RANGE, "1,128,1"), "set_section_segments", "get_section_segments");
ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "curve", PROPERTY_HINT_RESOURCE_TYPE, "Curve"), "set_curve", "get_curve");
BIND_ENUM_CONSTANT(SHAPE_FLAT)
BIND_ENUM_CONSTANT(SHAPE_CROSS)
}
RibbonTrailMesh::RibbonTrailMesh() {
}