Added `MeshEmitter` node for particles in visual shader
This commit is contained in:
Yuri Roubinsky
parent
56cfebbe98
commit
80b563672b
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@ -0,0 +1,17 @@
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<?xml version="1.0" encoding="UTF-8" ?>
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<class name="VisualShaderNodeParticleMeshEmitter" inherits="VisualShaderNodeParticleEmitter" version="4.0">
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<brief_description>
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</brief_description>
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<description>
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</description>
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<tutorials>
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</tutorials>
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<members>
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<member name="mesh" type="Mesh" setter="set_mesh" getter="get_mesh">
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</member>
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<member name="surface_index" type="int" setter="set_surface_index" getter="get_surface_index" default="0">
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</member>
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<member name="use_all_surfaces" type="bool" setter="set_use_all_surfaces" getter="is_use_all_surfaces" default="true">
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</member>
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</members>
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</class>
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@ -4527,6 +4527,7 @@ VisualShaderEditor::VisualShaderEditor() {
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add_options.push_back(AddOption("MultiplyByAxisAngle", "Particles", "Transform", "VisualShaderNodeParticleMultiplyByAxisAngle", "A node for help to multiply a position input vector by rotation using specific axis. Intended to work with emitters.", -1, VisualShaderNode::PORT_TYPE_VECTOR, TYPE_FLAGS_EMIT | TYPE_FLAGS_PROCESS | TYPE_FLAGS_COLLIDE, Shader::MODE_PARTICLES));
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add_options.push_back(AddOption("BoxEmitter", "Particles", "Emitters", "VisualShaderNodeParticleBoxEmitter", "", -1, VisualShaderNode::PORT_TYPE_VECTOR, TYPE_FLAGS_EMIT, Shader::MODE_PARTICLES));
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add_options.push_back(AddOption("MeshEmitter", "Particles", "Emitters", "VisualShaderNodeParticleMeshEmitter", "", -1, VisualShaderNode::PORT_TYPE_VECTOR, TYPE_FLAGS_EMIT, Shader::MODE_PARTICLES));
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add_options.push_back(AddOption("RingEmitter", "Particles", "Emitters", "VisualShaderNodeParticleRingEmitter", "", -1, VisualShaderNode::PORT_TYPE_VECTOR, TYPE_FLAGS_EMIT, Shader::MODE_PARTICLES));
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add_options.push_back(AddOption("SphereEmitter", "Particles", "Emitters", "VisualShaderNodeParticleSphereEmitter", "", -1, VisualShaderNode::PORT_TYPE_VECTOR, TYPE_FLAGS_EMIT, Shader::MODE_PARTICLES));
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@ -628,6 +628,7 @@ void register_scene_types() {
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GDREGISTER_CLASS(VisualShaderNodeParticleSphereEmitter);
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GDREGISTER_CLASS(VisualShaderNodeParticleBoxEmitter);
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GDREGISTER_CLASS(VisualShaderNodeParticleRingEmitter);
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GDREGISTER_CLASS(VisualShaderNodeParticleMeshEmitter);
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GDREGISTER_CLASS(VisualShaderNodeParticleMultiplyByAxisAngle);
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GDREGISTER_CLASS(VisualShaderNodeParticleConeVelocity);
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GDREGISTER_CLASS(VisualShaderNodeParticleRandomness);
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@ -36,6 +36,11 @@
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#include "visual_shader_particle_nodes.h"
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#include "visual_shader_sdf_nodes.h"
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String make_unique_id(VisualShader::Type p_type, int p_id, const String &p_name) {
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static const char *typepf[VisualShader::TYPE_MAX] = { "vtx", "frg", "lgt", "start", "process", "collide", "start_custom", "process_custom", "sky", "fog" };
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return p_name + "_" + String(typepf[p_type]) + "_" + itos(p_id);
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}
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bool VisualShaderNode::is_simple_decl() const {
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return simple_decl;
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}
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@ -1829,6 +1834,7 @@ void VisualShader::_update_shader() const {
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code += " vec3 __vec3_buff2;\n";
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code += " float __scalar_buff1;\n";
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code += " float __scalar_buff2;\n";
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code += " int __scalar_ibuff;\n";
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code += " vec3 __ndiff = normalize(__diff);\n\n";
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}
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if (has_start) {
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@ -697,4 +697,6 @@ public:
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VisualShaderNodeGlobalExpression();
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};
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extern String make_unique_id(VisualShader::Type p_type, int p_id, const String &p_name);
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#endif // VISUAL_SHADER_H
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@ -494,11 +494,6 @@ String VisualShaderNodeTexture::get_input_port_default_hint(int p_port) const {
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return "";
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}
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static String make_unique_id(VisualShader::Type p_type, int p_id, const String &p_name) {
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static const char *typepf[VisualShader::TYPE_MAX] = { "vtx", "frg", "lgt" };
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return p_name + "_" + String(typepf[p_type]) + "_" + itos(p_id);
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}
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Vector<VisualShader::DefaultTextureParam> VisualShaderNodeTexture::get_default_texture_parameters(VisualShader::Type p_type, int p_id) const {
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VisualShader::DefaultTextureParam dtp;
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dtp.name = make_unique_id(p_type, p_id, "tex");
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@ -30,6 +30,8 @@
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#include "visual_shader_particle_nodes.h"
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#include "core/core_string_names.h"
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// VisualShaderNodeParticleEmitter
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int VisualShaderNodeParticleEmitter::get_output_port_count() const {
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@ -255,6 +257,283 @@ VisualShaderNodeParticleRingEmitter::VisualShaderNodeParticleRingEmitter() {
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set_input_port_default_value(2, 0.0);
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}
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// VisualShaderNodeParticleMeshEmitter
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String VisualShaderNodeParticleMeshEmitter::get_caption() const {
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return "MeshEmitter";
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}
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int VisualShaderNodeParticleMeshEmitter::get_output_port_count() const {
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return 2;
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}
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VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleMeshEmitter::get_output_port_type(int p_port) const {
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switch (p_port) {
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case 0:
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return PORT_TYPE_VECTOR; // position
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case 1:
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return PORT_TYPE_VECTOR; // normal
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}
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return PORT_TYPE_SCALAR;
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}
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String VisualShaderNodeParticleMeshEmitter::get_output_port_name(int p_port) const {
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switch (p_port) {
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case 0:
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return "position";
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case 1:
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return "normal";
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}
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return String();
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}
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int VisualShaderNodeParticleMeshEmitter::get_input_port_count() const {
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return 0;
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}
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VisualShaderNodeParticleBoxEmitter::PortType VisualShaderNodeParticleMeshEmitter::get_input_port_type(int p_port) const {
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return PORT_TYPE_SCALAR;
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}
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String VisualShaderNodeParticleMeshEmitter::get_input_port_name(int p_port) const {
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return String();
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}
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String VisualShaderNodeParticleMeshEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
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String code;
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if (mesh.is_valid()) {
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code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_vx") + ";\n";
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code += "uniform sampler2D " + make_unique_id(p_type, p_id, "mesh_nm") + ";\n";
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}
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return code;
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}
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String VisualShaderNodeParticleMeshEmitter::generate_code(Shader::Mode p_mode, VisualShader::Type p_type, int p_id, const String *p_input_vars, const String *p_output_vars, bool p_for_preview) const {
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String code;
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code += " __scalar_ibuff = int(__rand_from_seed(__seed) * 65535.0) % " + itos(position_texture->get_width()) + ";\n";
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if (position_texture->get_width() == 0) {
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code += " " + p_output_vars[0] + " = vec3(0.0);\n";
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} else {
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if (mode_2d) {
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code += " " + p_output_vars[0] + " = vec3(";
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code += "texelFetch(";
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code += make_unique_id(p_type, p_id, "mesh_vx") + ", ";
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code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n";
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} else {
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code += " " + p_output_vars[0] + " = texelFetch(";
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code += make_unique_id(p_type, p_id, "mesh_vx") + ", ";
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code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n";
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}
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}
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if (normal_texture->get_width() == 0) {
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code += " " + p_output_vars[1] + " = vec3(0.0);\n";
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} else {
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if (mode_2d) {
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code += " " + p_output_vars[1] + " = vec3(";
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code += "texelFetch(";
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code += make_unique_id(p_type, p_id, "mesh_nm") + ", ";
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code += "ivec2(__scalar_ibuff, 0), 0).xy, 0.0);\n";
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} else {
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code += " " + p_output_vars[1] + " = texelFetch(";
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code += make_unique_id(p_type, p_id, "mesh_nm") + ", ";
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code += "ivec2(__scalar_ibuff, 0), 0).xyz;\n";
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}
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}
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return code;
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}
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Vector<VisualShader::DefaultTextureParam> VisualShaderNodeParticleMeshEmitter::get_default_texture_parameters(VisualShader::Type p_type, int p_id) const {
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VisualShader::DefaultTextureParam dtp_vx;
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dtp_vx.name = make_unique_id(p_type, p_id, "mesh_vx");
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dtp_vx.param = position_texture;
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VisualShader::DefaultTextureParam dtp_nm;
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dtp_nm.name = make_unique_id(p_type, p_id, "mesh_nm");
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dtp_nm.param = normal_texture;
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Vector<VisualShader::DefaultTextureParam> ret;
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ret.push_back(dtp_vx);
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ret.push_back(dtp_nm);
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return ret;
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}
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void VisualShaderNodeParticleMeshEmitter::update_texture() {
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if (!mesh.is_valid()) {
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return;
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}
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Vector<Vector3> vertices;
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Vector<Vector3> normals;
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if (use_all_surfaces) {
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for (int i = 0; i < max_surface_index; i++) {
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Array vertex_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_VERTEX];
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for (int j = 0; j < vertex_array.size(); j++) {
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vertices.push_back((Vector3)vertex_array[j]);
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}
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Array normal_array = mesh->surface_get_arrays(i)[Mesh::ARRAY_NORMAL];
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for (int j = 0; j < vertex_array.size(); j++) {
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normals.push_back((Vector3)vertex_array[j]);
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}
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}
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} else {
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Array vertex_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_VERTEX];
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for (int i = 0; i < vertex_array.size(); i++) {
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vertices.push_back((Vector3)vertex_array[i]);
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}
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Array normal_array = mesh->surface_get_arrays(surface_index)[Mesh::ARRAY_NORMAL];
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for (int i = 0; i < normal_array.size(); i++) {
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normals.push_back((Vector3)normal_array[i]);
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}
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}
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// vertices
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{
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Ref<Image> image;
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image.instantiate();
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image->create(vertices.size(), 1, false, Image::Format::FORMAT_RGBF);
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for (int i = 0; i < vertices.size(); i++) {
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Vector3 v = vertices[i];
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image->set_pixel(i, 0, Color(v.x, v.y, v.z));
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}
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if (position_texture->get_width() != vertices.size()) {
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position_texture->create_from_image(image);
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} else {
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position_texture->update(image);
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}
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}
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// normals
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{
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Ref<Image> image;
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image.instantiate();
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image->create(normals.size(), 1, false, Image::Format::FORMAT_RGBF);
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for (int i = 0; i < normals.size(); i++) {
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Vector3 v = normals[i];
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image->set_pixel(i, 0, Color(v.x, v.y, v.z));
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}
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if (normal_texture->get_width() != normals.size()) {
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normal_texture->create_from_image(image);
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} else {
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normal_texture->update(image);
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}
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}
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}
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void VisualShaderNodeParticleMeshEmitter::set_mesh(Ref<Mesh> p_mesh) {
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if (mesh == p_mesh) {
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return;
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}
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if (p_mesh.is_valid()) {
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max_surface_index = p_mesh->get_surface_count();
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} else {
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max_surface_index = 0;
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}
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if (mesh.is_valid()) {
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Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture);
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if (mesh->is_connected(CoreStringNames::get_singleton()->changed, callable)) {
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mesh->disconnect(CoreStringNames::get_singleton()->changed, callable);
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}
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}
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mesh = p_mesh;
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if (mesh.is_valid()) {
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Callable callable = callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture);
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if (!mesh->is_connected(CoreStringNames::get_singleton()->changed, callable)) {
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mesh->connect(CoreStringNames::get_singleton()->changed, callable);
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}
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}
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emit_changed();
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}
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Ref<Mesh> VisualShaderNodeParticleMeshEmitter::get_mesh() const {
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return mesh;
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}
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void VisualShaderNodeParticleMeshEmitter::set_use_all_surfaces(bool p_enabled) {
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if (use_all_surfaces == p_enabled) {
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return;
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}
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use_all_surfaces = p_enabled;
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emit_changed();
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}
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bool VisualShaderNodeParticleMeshEmitter::is_use_all_surfaces() const {
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return use_all_surfaces;
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}
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void VisualShaderNodeParticleMeshEmitter::set_surface_index(int p_surface_index) {
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if (p_surface_index == surface_index || p_surface_index < 0 || p_surface_index >= max_surface_index) {
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return;
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}
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surface_index = p_surface_index;
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emit_changed();
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}
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int VisualShaderNodeParticleMeshEmitter::get_surface_index() const {
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return surface_index;
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}
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Vector<StringName> VisualShaderNodeParticleMeshEmitter::get_editable_properties() const {
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Vector<StringName> props = VisualShaderNodeParticleEmitter::get_editable_properties();
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props.push_back("mesh");
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props.push_back("use_all_surfaces");
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if (!use_all_surfaces) {
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props.push_back("surface_index");
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}
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return props;
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}
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Map<StringName, String> VisualShaderNodeParticleMeshEmitter::get_editable_properties_names() const {
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Map<StringName, String> names = VisualShaderNodeParticleEmitter::get_editable_properties_names();
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names.insert("mesh", TTR("Mesh"));
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names.insert("use_all_surfaces", TTR("Use All Surfaces"));
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if (!use_all_surfaces) {
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names.insert("surface_index", TTR("Surface Index"));
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}
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return names;
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}
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void VisualShaderNodeParticleMeshEmitter::_bind_methods() {
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ClassDB::bind_method(D_METHOD("set_mesh", "mesh"), &VisualShaderNodeParticleMeshEmitter::set_mesh);
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ClassDB::bind_method(D_METHOD("get_mesh"), &VisualShaderNodeParticleMeshEmitter::get_mesh);
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ClassDB::bind_method(D_METHOD("set_use_all_surfaces", "enabled"), &VisualShaderNodeParticleMeshEmitter::set_use_all_surfaces);
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ClassDB::bind_method(D_METHOD("is_use_all_surfaces"), &VisualShaderNodeParticleMeshEmitter::is_use_all_surfaces);
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ClassDB::bind_method(D_METHOD("set_surface_index", "surface_index"), &VisualShaderNodeParticleMeshEmitter::set_surface_index);
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ClassDB::bind_method(D_METHOD("get_surface_index"), &VisualShaderNodeParticleMeshEmitter::get_surface_index);
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ADD_PROPERTY(PropertyInfo(Variant::OBJECT, "mesh", PROPERTY_HINT_RESOURCE_TYPE, "Mesh"), "set_mesh", "get_mesh");
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ADD_PROPERTY(PropertyInfo(Variant::BOOL, "use_all_surfaces"), "set_use_all_surfaces", "is_use_all_surfaces");
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ADD_PROPERTY(PropertyInfo(Variant::INT, "surface_index"), "set_surface_index", "get_surface_index");
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}
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VisualShaderNodeParticleMeshEmitter::VisualShaderNodeParticleMeshEmitter() {
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connect(CoreStringNames::get_singleton()->changed, callable_mp(this, &VisualShaderNodeParticleMeshEmitter::update_texture));
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position_texture.instantiate();
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normal_texture.instantiate();
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}
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// VisualShaderNodeParticleMultiplyByAxisAngle
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void VisualShaderNodeParticleMultiplyByAxisAngle::_bind_methods() {
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@ -334,7 +613,6 @@ bool VisualShaderNodeParticleMultiplyByAxisAngle::is_degrees_mode() const {
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Vector<StringName> VisualShaderNodeParticleMultiplyByAxisAngle::get_editable_properties() const {
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Vector<StringName> props;
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props.push_back("degrees_mode");
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props.push_back("axis_amount");
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return props;
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}
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@ -52,7 +52,7 @@ public:
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bool is_mode_2d() const;
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Vector<StringName> get_editable_properties() const override;
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Map<StringName, String> get_editable_properties_names() const override;
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virtual Map<StringName, String> get_editable_properties_names() const override;
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bool is_show_prop_names() const override;
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VisualShaderNodeParticleEmitter();
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@ -106,6 +106,51 @@ public:
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VisualShaderNodeParticleRingEmitter();
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};
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class VisualShaderNodeParticleMeshEmitter : public VisualShaderNodeParticleEmitter {
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GDCLASS(VisualShaderNodeParticleMeshEmitter, VisualShaderNodeParticleEmitter);
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Ref<Mesh> mesh;
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bool use_all_surfaces = true;
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int surface_index = 0;
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int max_surface_index = 0;
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Ref<ImageTexture> position_texture;
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Ref<ImageTexture> normal_texture;
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protected:
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static void _bind_methods();
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public:
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virtual String get_caption() const override;
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virtual int get_output_port_count() const override;
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virtual PortType get_output_port_type(int p_port) const override;
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virtual String get_output_port_name(int p_port) const override;
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virtual int get_input_port_count() const override;
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virtual PortType get_input_port_type(int p_port) const override;
|
||||
virtual String get_input_port_name(int p_port) const override;
|
||||
|
||||
virtual String generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const override;
|
||||
virtual String generate_code(Shader::Mode p_mode, VisualShader::Type p_type, int p_id, const String *p_input_vars, const String *p_output_vars, bool p_for_preview = false) const override;
|
||||
|
||||
void update_texture();
|
||||
|
||||
void set_mesh(Ref<Mesh> p_mesh);
|
||||
Ref<Mesh> get_mesh() const;
|
||||
|
||||
void set_use_all_surfaces(bool p_enabled);
|
||||
bool is_use_all_surfaces() const;
|
||||
|
||||
void set_surface_index(int p_surface_index);
|
||||
int get_surface_index() const;
|
||||
|
||||
Vector<StringName> get_editable_properties() const override;
|
||||
Map<StringName, String> get_editable_properties_names() const override;
|
||||
Vector<VisualShader::DefaultTextureParam> get_default_texture_parameters(VisualShader::Type p_type, int p_id) const override;
|
||||
|
||||
VisualShaderNodeParticleMeshEmitter();
|
||||
};
|
||||
|
||||
class VisualShaderNodeParticleMultiplyByAxisAngle : public VisualShaderNode {
|
||||
GDCLASS(VisualShaderNodeParticleMultiplyByAxisAngle, VisualShaderNode);
|
||||
bool degrees_mode = true;
|
||||
|
|
|
|||
Loading…
Reference in New Issue