trigger.hpp File Reference

Triggers turn a raw input sample into an action value and discrete events. More...

#include "parse_util.hpp"
#include "value.hpp"
#include <cmath>
#include <glm/glm.hpp>
#include <string_view>
#include <toml++/toml.hpp>

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Classes
class	input::ITrigger
	Polymorphic base for all triggers. More...
struct	input::ITrigger::Result
	Outcome of evaluating a trigger for one frame. More...
class	input::StartTrigger
	Fires once when the input goes from off to on. More...
class	input::ReleaseTrigger
	Fires once when the input goes from on to off. More...
class	input::HoldTrigger
	Reports a hold every frame while the input is on. More...
class	input::PulseTrigger
	Like a hold, but reports a hold once every rate seconds instead of every frame. More...
class	input::Axis1DTrigger
	Continuous 1D axis input. More...
class	input::Axis2DTrigger
	Continuous 2D axis input. More...
class	input::CursorTrigger
	Mouse cursor position or delta. More...

Functions
auto	input::detail::levelOf (const InputSample &sample) -> float
auto	input::detail::toNDC (glm::vec2 screen, const EvalContext &ctx) -> glm::vec2
auto	input::detail::deltaToNDC (glm::vec2 screen_delta, const EvalContext &ctx) -> glm::vec2
auto	input::detail::applyAxisThreshold (float value, glm::vec2 range, bool normalize) -> float

Detailed Description

Triggers turn a raw input sample into an action value and discrete events.

Author

Xein

Date

21 Jun 2026

There are seven trigger events: start, release, hold, pulse, axis1d, axis2d and cursor