eagine::shapes::unit_twisted_torus_gen Class Reference

Generator of centered UV-sphere shape with unit diameter. More...

#include <eagine/shapes/twisted_torus.hpp>

Public Member Functions
auto	vertex_count () -> span_size_t override
	Returns the shaped vertex count.
void	attrib_values (vertex_attrib_variant, span< float >) override
	Fetches the vertex attribute data for the specified variant as floats.
auto	operation_count (drawing_variant) -> span_size_t override
	Returns the number of drawing instructions for the specified variant.
void	instructions (drawing_variant, span< draw_operation > ops) override
	Fetches the drawing operations for the specified drawing variant.
auto	bounding_sphere () -> math::sphere< float, true > override
	Returns the bounding sphere for the generated shape.
void	ray_intersections (drawing_variant, span< const math::line< float, true >> rays, span< optionally_valid< float >> intersections) override
	Calculates the intersections of the shape geometry with a ray.
Public Member Functions inherited from eagine::shapes::generator_base
auto	attrib_bits () noexcept -> vertex_attrib_bits final
	Returns the set of vertex attributes supported by this generator.
auto	enable (generator_capability cap, bool value) noexcept -> bool final
	Enables or disables the specified generator capability.
auto	is_enabled (generator_capability cap) noexcept -> bool final
	Indicates if the specified generator capability is enabled.
auto	attribute_variants (vertex_attrib_kind attrib) -> span_size_t override
	Returns the count of shape attribute variants.
auto	variant_name (vertex_attrib_variant) -> string_view override
	Returns the name of the specified attribute variant.
auto	values_per_vertex (vertex_attrib_variant vav) -> span_size_t override
	Returns the number of values per vertex for the specified variant.
auto	attrib_type (vertex_attrib_variant) -> attrib_data_type override
	Returns the attribute data type for the specified variant.
auto	is_attrib_normalized (vertex_attrib_variant) -> bool override
	Indicates if the specified variant attribute values should be normalized.
void	attrib_values (vertex_attrib_variant, span< byte >) override
	Fetches the vertex attribute data for the specified variant as bytes.
void	attrib_values (vertex_attrib_variant, span< std::int16_t >) override
	Fetches the vertex attribute data for the specified variant as integers.
void	attrib_values (vertex_attrib_variant, span< std::int32_t >) override
	Fetches the vertex attribute data for the specified variant as integers.
void	attrib_values (vertex_attrib_variant, span< std::uint16_t >) override
	Fetches the vertex attribute data for the specified variant as integers.
void	attrib_values (vertex_attrib_variant, span< std::uint32_t >) override
	Fetches the vertex attribute data for the specified variant as integers.
auto	draw_variant_count () -> span_size_t override
	Returns the count of possible shape draw variants.
auto	index_type (drawing_variant) -> index_data_type override
	Returns the index data type for the specified draw variant.
auto	index_count (drawing_variant) -> span_size_t override
	Returns the index count for the specified drawing variant.
void	indices (drawing_variant, span< std::uint8_t > dest) override
	Fetches the index data for the specified drawing variant.
void	indices (drawing_variant, span< std::uint16_t > dest) override
	Fetches the index data for the specified drawing variant.
void	indices (drawing_variant, span< std::uint32_t > dest) override
	Fetches the index data for the specified drawing variant.
Public Member Functions inherited from eagine::shapes::generator
auto	has (vertex_attrib_kind attrib) noexcept
	Tests if the specified attribute is supported by this generator.
auto	disable (generator_capability cap) noexcept
	Disables the specified generator capability.
auto	strips_allowed () noexcept -> bool
	Indicates if element strips are enabled.
auto	fans_allowed () noexcept -> bool
	Indicates if element fans are enabled.
auto	primitive_restart () noexcept -> bool
	Indicates if primitive restart is enabled.
auto	find_variant (vertex_attrib_kind attrib, string_view name) -> vertex_attrib_variant
	Finds attribute variant by kind and name.
auto	value_count (vertex_attrib_variant vav) -> span_size_t
	Returns the total number of values for the specified attribute variant.
auto	draw_variant (span_size_t index) -> drawing_variant
	Returns the identifier of the drawing variant at the specified index.
auto	index_type () -> index_data_type
	Returns the index data type for the default draw variant.
auto	index_count ()
	Returns the index count for the default drawing variant.
void	indices (span< std::uint8_t > dest)
	Fetches the index data for the default drawing variant.
void	indices (span< std::uint16_t > dest)
	Fetches the index data for the default drawing variant.
void	indices (span< std::uint32_t > dest)
	Fetches the index data for the default drawing variant.
auto	operation_count ()
	Returns the number of drawing instructions for the default variant.
void	instructions (span< draw_operation > dest)
	Fetches the drawing operations for the default drawing variant.
void	ray_intersections (span< const math::line< float, true >> rays, span< optionally_valid< float >> intersections)
	Calculates the intersections of the shape geometry with a ray.
auto	ray_intersection (drawing_variant var, const math::line< float, true > &ray) -> optionally_valid< float >
	Returns the parameter for the nearest intersection with a ray.
auto	ray_intersection (const math::line< float, true > &ray) -> optionally_valid< float >
	Returns the parameter for the nearest intersection with a ray.
Public Member Functions inherited from eagine::interface< generator >
constexpr	interface (const interface &)=delete
	Not copyable.
auto	operator= (interface &&)=delete
	Not move assignable.
auto	operator= (const interface &)=delete
	Not copy assignable.

Additional Inherited Members
Protected Member Functions inherited from eagine::interface< generator >
constexpr	interface () noexcept=default
	Default constructible by derived.
constexpr	interface (interface &&) noexcept=default
	Move constructible by derived.

Detailed Description

Generator of centered UV-sphere shape with unit diameter.

See also

unit_twisted_torus

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The documentation for this class was generated from the following file:

• eagine/shapes/twisted_torus.hpp