cse125g2/docs/ShotgunPelletWidget_8hpp_source.html

#pragma once


#include "hud/HudWidget.hpp"


struct ShotgunPelletWidget : HudWidget

{

    float radius = 18.f;

    float dotRadius = 3.5f;

    float holdDuration = 0.45f;

    float fadeDuration = 0.55f;


    ShotgunPelletWidget();

    void update(float dt, const HudGameState& state, HudTweenPool& tweens) override;

    void draw(HudContext& ctx, float drawX, float drawY) override;


private:

    HudShotgunBlast latest_{};

    float alpha_ = 0.f;

    float age_ = 0.f;

    bool primed_ = false;

};


HudWidget.hpp
Base struct for all HUD widgets.

HudContext
Accumulates HUD geometry during a frame for batch rendering.
Definition HudContext.hpp:19

HudTweenPool
Fixed-size tween pool. No heap allocations.
Definition HudTween.hpp:35

HudGameState
Snapshot of game state consumed by the HUD each frame.
Definition HudTypes.hpp:367

HudShotgunBlast
A single completed shotgun blast (11 pellets) staged for the HUD widget.
Definition HudTypes.hpp:357

HudWidget
Base class for a retained HUD element.
Definition HudWidget.hpp:16

ShotgunPelletWidget::dotRadius
float dotRadius
Pixel radius of each pellet dot at uiScale=1.
Definition ShotgunPelletWidget.hpp:19

ShotgunPelletWidget::latest_
HudShotgunBlast latest_
Cached copy of the last blast we displayed.
Definition ShotgunPelletWidget.hpp:28

ShotgunPelletWidget::primed_
bool primed_
False until the first blast arrives.
Definition ShotgunPelletWidget.hpp:31

ShotgunPelletWidget::ShotgunPelletWidget
ShotgunPelletWidget()
Definition ShotgunPelletWidget.cpp:41

ShotgunPelletWidget::radius
float radius
Pixel radius of the outer ring at uiScale=1.
Definition ShotgunPelletWidget.hpp:18

ShotgunPelletWidget::holdDuration
float holdDuration
Full opacity hold time after a blast.
Definition ShotgunPelletWidget.hpp:20

ShotgunPelletWidget::age_
float age_
Seconds since the latest blast was staged.
Definition ShotgunPelletWidget.hpp:30

ShotgunPelletWidget::fadeDuration
float fadeDuration
Linear fade-out duration after the hold.
Definition ShotgunPelletWidget.hpp:21

ShotgunPelletWidget::update
void update(float dt, const HudGameState &state, HudTweenPool &tweens) override
Called each frame before draw(). Update animation, consume events.
Definition ShotgunPelletWidget.cpp:52

ShotgunPelletWidget::alpha_
float alpha_
Current widget opacity.
Definition ShotgunPelletWidget.hpp:29

ShotgunPelletWidget::draw
void draw(HudContext &ctx, float drawX, float drawY) override
Emit geometry into the draw context.
Definition ShotgunPelletWidget.cpp:77