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/*
* Copyright 2019 Google LLC
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef ParticlesSlide_DEFINED
#define ParticlesSlide_DEFINED
#include "tools/viewer/Slide.h"
#include "include/core/SkPath.h"
#include "include/private/SkTArray.h"
#include "include/utils/SkRandom.h"
class SkParticleEffect;
class SkParticleEffectParams;
class ParticlesSlide : public Slide {
public:
ParticlesSlide();
// TODO: We need a way for primarily interactive slides to always be as large as the window
SkISize getDimensions() const override { return SkISize::MakeEmpty(); }
void load(SkScalar winWidth, SkScalar winHeight) override;
void draw(SkCanvas* canvas) override;
bool animate(double) override;
bool onMouse(SkScalar x, SkScalar y, skui::InputState state,
skui::ModifierKey modifiers) override;
private:
void loadEffects(const char* dirname);
SkRandom fRandom;
bool fAnimated = false;
double fAnimationTime = 0;
SkPoint fPlayPosition;
struct LoadedEffect {
SkString fName;
sk_sp<SkParticleEffectParams> fParams;
};
SkTArray<LoadedEffect> fLoaded;
struct RunningEffect {
SkPoint fPosition;
SkString fName;
sk_sp<SkParticleEffect> fEffect;
bool fTrackMouse;
};
SkTArray<RunningEffect> fRunning;
};
#endif