Inheritance diagram for CanvasLineSegment:

Public Member Functions
	CanvasLineSegment (SkRandom *random, const LineSegmentParams &params)

	~CanvasLineSegment () override=default

void	draw (SkCanvas *canvas) override

void	animate (double nanos) override

Public Member Functions inherited from MMObject
virtual	~MMObject ()=default

Detailed Description

Definition at line 168 of file MotionMarkSlide.cpp.

Constructor & Destructor Documentation

◆ CanvasLineSegment()

CanvasLineSegment::CanvasLineSegment	(	SkRandom *	random,
		const LineSegmentParams &	params
	)

inline

Definition at line 170 of file MotionMarkSlide.cpp.

                                                                         {
        int circle = random->nextRangeU(0, 3);
 
        static constexpr SkColor kColors[] = {
            0xffe01040, 0xff10c030, 0xff744cba, 0xffe05010
        };
        fColor = kColors[circle];
        fLineWidth = std::pow(random->nextF(), 12) * 20 + 3;
        fOmega = random->nextF() * 3 + 0.2f;
        float theta = random->nextRangeF(0, 2*SK_ScalarPI);
        fCosTheta = std::cos(theta);
        fSinTheta = std::sin(theta);
        fStart = params.fCircleCenters[circle] + SkPoint::Make(params.fCircleRadius * fCosTheta,
                                                               params.fCircleRadius * fSinTheta);
        fLength = params.fLineMinimum;
        fLength += std::pow(random->nextF(), 8) * params.fLineLengthMaximum;
        fSegmentDirection = random->nextF() > 0.5 ? -1 : 1;
    }

◆ ~CanvasLineSegment()

CanvasLineSegment::~CanvasLineSegment ( )

overridedefault

Member Function Documentation

◆ animate()

void CanvasLineSegment::animate ( double nanos )

inlineoverridevirtual

Implements MMObject.

Definition at line 205 of file MotionMarkSlide.cpp.

                                        {
        fLength += std::sin(time_counter_value(nanos, 100) * fOmega);
    }

◆ draw()

void CanvasLineSegment::draw ( SkCanvas * canvas )