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Added 2D boolean hint for particle emitters in visual shaders

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This commit is contained in:
Yuri Roubinsky
2021-11-04 18:42:57 +03:00
parent 578460f7fb
commit dcdf59cd73
6 changed files with 108 additions and 9 deletions
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81
scene/resources/visual_shader_particle_nodes.cpp
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@@ -51,6 +51,38 @@ bool VisualShaderNodeParticleEmitter::has_output_port_preview(int p_port) const
return false;
}
void VisualShaderNodeParticleEmitter::set_mode_2d(bool p_enabled) {
mode_2d = p_enabled;
emit_changed();
}
bool VisualShaderNodeParticleEmitter::is_mode_2d() const {
return mode_2d;
}
Vector<StringName> VisualShaderNodeParticleEmitter::get_editable_properties() const {
Vector<StringName> props;
props.push_back("mode_2d");
return props;
}
Map<StringName, String> VisualShaderNodeParticleEmitter::get_editable_properties_names() const {
Map<StringName, String> names;
names.insert("mode_2d", TTR("2D Mode"));
return names;
}
bool VisualShaderNodeParticleEmitter::is_show_prop_names() const {
return true;
}
void VisualShaderNodeParticleEmitter::_bind_methods() {
ClassDB::bind_method(D_METHOD("set_mode_2d", "enabled"), &VisualShaderNodeParticleEmitter::set_mode_2d);
ClassDB::bind_method(D_METHOD("is_mode_2d"), &VisualShaderNodeParticleEmitter::is_mode_2d);
ADD_PROPERTY(PropertyInfo(Variant::BOOL, "mode_2d"), "set_mode_2d", "is_mode_2d");
}
VisualShaderNodeParticleEmitter::VisualShaderNodeParticleEmitter() {
}
@@ -79,15 +111,27 @@ String VisualShaderNodeParticleSphereEmitter::get_input_port_name(int p_port) co
String VisualShaderNodeParticleSphereEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
String code;
code += "vec2 __get_random_point_in_circle(inout uint seed, float radius, float inner_radius) {\n";
code += " return __get_random_unit_vec2(seed) * __randf_range(seed, inner_radius, radius);\n";
code += "}\n\n";
code += "vec3 __get_random_point_in_sphere(inout uint seed, float radius, float inner_radius) {\n";
code += " return __get_random_unit_vec3(seed) * __randf_range(seed, inner_radius, radius);\n";
code += "}\n\n";
return code;
}
String VisualShaderNodeParticleSphereEmitter::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 {
String code;
code += " " + p_output_vars[0] + " = __get_random_point_in_sphere(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ");\n";
if (mode_2d) {
code += " " + p_output_vars[0] + " = vec3(__get_random_point_in_circle(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + "), 0.0);\n";
} else {
code += " " + p_output_vars[0] + " = __get_random_point_in_sphere(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ");\n";
}
return code;
}
@@ -122,16 +166,27 @@ String VisualShaderNodeParticleBoxEmitter::get_input_port_name(int p_port) const
String VisualShaderNodeParticleBoxEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
String code;
code += "vec3 __get_random_point_in_box(inout uint seed, vec3 extents) {\n";
code += "vec2 __get_random_point_in_box2d(inout uint seed, vec2 extents) {\n";
code += " vec2 half_extents = extents / 2.0;\n";
code += " return vec2(__randf_range(seed, -half_extents.x, half_extents.x), __randf_range(seed, -half_extents.y, half_extents.y));\n";
code += "}\n\n";
code += "vec3 __get_random_point_in_box3d(inout uint seed, vec3 extents) {\n";
code += " vec3 half_extents = extents / 2.0;\n";
code += " return vec3(__randf_range(seed, -half_extents.x, half_extents.x), __randf_range(seed, -half_extents.y, half_extents.y), __randf_range(seed, -half_extents.z, half_extents.z));\n";
code += "}\n\n";
return code;
}
String VisualShaderNodeParticleBoxEmitter::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 {
String code;
code += " " + p_output_vars[0] + " = __get_random_point_in_box(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ");\n";
if (mode_2d) {
code += " " + p_output_vars[0] + " = vec3(__get_random_point_in_box2d(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ".xy), 0.0);\n";
} else {
code += " " + p_output_vars[0] + " = __get_random_point_in_box3d(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ");\n";
}
return code;
}
@@ -166,17 +221,31 @@ String VisualShaderNodeParticleRingEmitter::get_input_port_name(int p_port) cons
String VisualShaderNodeParticleRingEmitter::generate_global_per_node(Shader::Mode p_mode, VisualShader::Type p_type, int p_id) const {
String code;
code += "vec3 __get_random_point_on_ring(inout uint seed, float radius, float inner_radius, float height) {\n";
code += " float angle = __rand_from_seed(seed) * PI * 2.0;\n";
code += "vec2 __get_random_point_on_ring2d(inout uint seed, float radius, float inner_radius) {\n";
code += " float angle = __rand_from_seed(seed) * TAU;\n";
code += " vec2 ring = vec2(sin(angle), cos(angle)) * __randf_range(seed, inner_radius, radius);\n";
code += " return vec2(ring.x, ring.y);\n";
code += "}\n\n";
code += "vec3 __get_random_point_on_ring3d(inout uint seed, float radius, float inner_radius, float height) {\n";
code += " float angle = __rand_from_seed(seed) * TAU;\n";
code += " vec2 ring = vec2(sin(angle), cos(angle)) * __randf_range(seed, inner_radius, radius);\n";
code += " return vec3(ring.x, __randf_range(seed, min(0.0, height), max(0.0, height)), ring.y);\n";
code += "}\n\n";
return code;
}
String VisualShaderNodeParticleRingEmitter::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 {
String code;
code = " " + p_output_vars[0] + " = __get_random_point_on_ring(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ", " + (p_input_vars[2].is_empty() ? (String)get_input_port_default_value(2) : p_input_vars[2]) + ");\n";
if (mode_2d) {
code = " " + p_output_vars[0] + " = vec3(__get_random_point_on_ring2d(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + "), 0.0);\n";
} else {
code = " " + p_output_vars[0] + " = __get_random_point_on_ring3d(__seed, " + (p_input_vars[0].is_empty() ? (String)get_input_port_default_value(0) : p_input_vars[0]) + ", " + (p_input_vars[1].is_empty() ? (String)get_input_port_default_value(1) : p_input_vars[1]) + ", " + (p_input_vars[2].is_empty() ? (String)get_input_port_default_value(2) : p_input_vars[2]) + ");\n";
}
return code;
}