public void OnPostRender()
{
var tex = textureCamera.targetTexture;
var drawableSize = new Vector2(tex.width, tex.height);
float time = Time.frameCount;
var sinTime = Mathf.Sin(time * VELOCITY);
var cosTime = Mathf.Cos(time * VELOCITY);
var colorTime = time * COLOR_CYCLE_SPEED;
var bgColor = colors.Sample(colorTime);
var fgColor = colors.Sample(colorTime + 0.5f);
fgColor.a = 0.75f;
var windowCenter = drawableSize * 0.5f;
var outerCenter = windowCenter + OUTER_RADIUS * new Vector2(sinTime, cosTime);
var innerCenter = windowCenter + cosTime * INNER_RADIUS * new Vector2(1.0f, sinTime);
textureCamera.backgroundColor = bgColor;
if (gState.IsPathfinderEnabled())
{
var canvas = new PFCanvas(gState.GetFontContext(), drawableSize);
canvas.SetLineWidth(CIRCLE_THICKNESS * SCALE);
canvas.SetStrokeStyle(fgColor);
drawCircles(canvas, outerCenter);
drawCircles(canvas, innerCenter);
canvas.QueueForRendering();
}
}
private void DrawHouse(PFCanvas canvas)
{
var scale = 0.5f;
canvas.Save();
canvas.SetCurrentTransform(
Matrix4x4.Translate(new Vector2(0, Screen.height - 160)) *
Matrix4x4.Scale(new Vector2(scale, scale))
);
canvas.SetLineWidth(10.0f * scale);
canvas.SetStrokeStyle(Color.black);
canvas.SetFillStyle(Color.black);
canvas.SetLineJoin(PFLineJoin.Round);
// Draw walls.
canvas.StrokeRect(new Rect(75.0f, 140.0f, 150.0f, 110.0f));
// Draw door.
canvas.FillRect(new Rect(130.0f, 190.0f, 40.0f, 60.0f));
// Draw roof.
var path = new PFPath();
path.MoveTo(new Vector2(50.0f, 140.0f));
path.LineTo(new Vector2(150.0f, 60.0f));
path.LineTo(new Vector2(250.0f, 140.0f));
path.ClosePath();
canvas.StrokePath(path);
canvas.Restore();
}