protected override void Draw()
{
base.Draw();
CCSize size = Layer.VisibleBoundsWorldspace.Size;
var visibleRect = VisibleBoundsWorldspace;
CCDrawingPrimitives.Begin();
// *NOTE* Using the Director.ContentScaleFactor for now until we work something out with the initialization
// CCDrawPriitives should be able to do this converstion themselves.
// draw a simple line
// The default state is:
// Line Width: 1
// color: 255,255,255,255 (white, non-transparent)
// Anti-Aliased
// glEnable(GL_LINE_SMOOTH);
CCDrawingPrimitives.LineWidth = 1;
CCDrawingPrimitives.DrawLine(visibleRect.LeftBottom(), visibleRect.RightTop());
// line: color, width, aliased
CCDrawingPrimitives.LineWidth = 5;
CCDrawingPrimitives.DrawColor = CCColor4B.Red;
CCDrawingPrimitives.DrawLine(visibleRect.LeftTop(), visibleRect.RightBottom());
// TIP:
// If you are going to use always thde same color or width, you don't
// need to call it before every draw
//
// draw big point in the center
CCDrawingPrimitives.PointSize = 64;
CCDrawingPrimitives.DrawColor = new CCColor4B(0, 0, 255, 128);
CCDrawingPrimitives.DrawPoint(visibleRect.Center());
// draw 4 small points
CCPoint[] points = { new CCPoint(60, 60), new CCPoint(70, 70), new CCPoint(60, 70), new CCPoint(70, 60) };
CCDrawingPrimitives.PointSize = 8;
CCDrawingPrimitives.DrawColor = new CCColor4B(0, 255, 255, 255);
CCDrawingPrimitives.DrawPoints(points);
// draw a green circle with 10 segments
CCDrawingPrimitives.LineWidth = 16;
CCDrawingPrimitives.DrawColor = CCColor4B.Green;
CCDrawingPrimitives.DrawCircle(visibleRect.Center, 100, 0, 10, false);
// draw a green circle with 50 segments with line to center
CCDrawingPrimitives.LineWidth = 2;
CCDrawingPrimitives.DrawColor = new CCColor4B(0, 255, 255, 255);
CCDrawingPrimitives.DrawCircle(visibleRect.Center, 50, CCMacros.CCDegreesToRadians(45), 50, true);
// draw a pink solid circle with 50 segments
CCDrawingPrimitives.LineWidth = 2;
CCDrawingPrimitives.DrawColor = new CCColor4B(255, 0, 255, 255);
CCDrawingPrimitives.DrawSolidCircle(visibleRect.Center + new CCPoint(140, 0), 40, CCMacros.CCDegreesToRadians(90), 50);
// draw an arc within rectangular region
CCDrawingPrimitives.LineWidth = 5;
CCDrawingPrimitives.DrawArc(new CCRect(200, 100, 100, 200), 0, 180, CCColor4B.AliceBlue);
// draw an ellipse within rectangular region
CCDrawingPrimitives.DrawEllipse(new CCRect(100, 100, 100, 200), CCColor4B.Red);
// draw an arc within rectangular region
CCDrawingPrimitives.DrawPie(new CCRect(350, 0, 100, 100), 20, 100, CCColor4B.AliceBlue);
// draw an arc within rectangular region
CCDrawingPrimitives.DrawPie(new CCRect(347, -5, 100, 100), 120, 260, CCColor4B.Aquamarine);
// open yellow poly
CCPoint[] vertices =
{
new CCPoint(0, 0), new CCPoint(50, 50), new CCPoint(100, 50), new CCPoint(100, 100),
new CCPoint(50, 100)
};
CCDrawingPrimitives.LineWidth = 10;
CCDrawingPrimitives.DrawColor = CCColor4B.Yellow;
CCDrawingPrimitives.DrawPoly(vertices, 5, false, new CCColor4B(255, 255, 0, 255));
// filled poly
CCDrawingPrimitives.LineWidth = 1;
CCPoint[] filledVertices =
{
new CCPoint(0, 120), new CCPoint(50, 120), new CCPoint(50, 170),
new CCPoint(25, 200), new CCPoint(0, 170)
};
CCDrawingPrimitives.DrawSolidPoly(filledVertices, new CCColor4F(0.5f, 0.5f, 1, 1));
// closed purple poly
CCDrawingPrimitives.LineWidth = 2;
CCDrawingPrimitives.DrawColor = new CCColor4B(255, 0, 255, 255);
CCPoint[] vertices2 = { new CCPoint(30, 130), new CCPoint(30, 230), new CCPoint(50, 200) };
CCDrawingPrimitives.DrawPoly(vertices2, true);
// draw quad bezier path
CCDrawingPrimitives.DrawQuadBezier(new CCPoint(0, size.Height),
visibleRect.Center,
(CCPoint)visibleRect.Size,
50,
new CCColor4B(255, 0, 255, 255));
// draw cubic bezier path
CCDrawingPrimitives.DrawCubicBezier(visibleRect.Center,
new CCPoint(size.Width / 2 + 30, size.Height / 2 + 50),
new CCPoint(size.Width / 2 + 60, size.Height / 2 - 50),
new CCPoint(size.Width, size.Height / 2), 100);
//draw a solid polygon
CCPoint[] vertices3 =
{
new CCPoint(60, 160), new CCPoint(70, 190), new CCPoint(100, 190),
new CCPoint(90, 160)
};
CCDrawingPrimitives.DrawSolidPoly(vertices3, 4, new CCColor4F(1, 1, 0, 1));
CCDrawingPrimitives.End();
}