A sampled snapshot of a ramp parameter read during cook. More...

#include <Ramp.h>

Classes
struct	Key
	A single ramp control point. More...

Public Member Functions
	Ramp (std::vector< Key > keys)

	Ramp (const Parameter &rampParameter)
	Snapshots a ramp parameter into a sorted ramp ready for sampling.

floatT	sample (floatT position) const
	Samples the ramp at `position`.

bool	empty () const

size_t	size () const

const Key &	key (size_t index) const

Detailed Description

A sampled snapshot of a ramp parameter read during cook.

Note: Construction bakes the curve into a dense lookup table, so sampling on the per point hotpath is just a clamp, an index, and a single blend between entries.

Member Function Documentation

floatT enzo::prm::Ramp::sample ( floatT position ) const

inline

Samples the ramp at position.

Returns: The interpolated value clamped to the end keys outside the ramp range.

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