Class Circle

samples/SaveImage/src/SaveImageApp.cpp:15–39

using namespace std;

struct Circle {
	Circle( const vec2 &aCenter )
		: mCenter( aCenter )
	{
		mRadiusOfTravel = aCenter.x / 10.0f;
		mRadius = Rand::randFloat( 5, 15 );
		mAngle = 0.0f;
		mColor = Color( CM_HSV, Rand::randFloat( 0, 1 ), Rand::randFloat( 0.6f, 0.7f ), 1 );
		mSpeed = Rand::randPosNegFloat( 0.001f, 0.05f );
	}
	
	void update() {
		mAngle += mSpeed;
	}
	
	void draw() {
		gl::color( mColor );
		gl::drawSolidCircle( mCenter + vec2( cos( mAngle ), sin( mAngle ) ) * mRadiusOfTravel, mRadius );
	}
		
	vec2	mCenter;
	float	mSpeed, mAngle;
	float	mRadiusOfTravel, mRadius;
	Color	mColor;
};

class SaveImageApp : public App {
 public: