コード例 #1
0
        //Mutating shape by changing number of points or changing their position
        //TODO change mutation rates to variables
        public void Mutate(EvoDrawing parent)
        {
            foreach (var point in shapePoints)
            {
                point.Mutate(parent);
            }

            //Add point to shape
            if (shapePoints.Count < MaxPoints && Numbers.ProbabilityFulfilled(Numbers.AddPointMutationProbability))
            {
                parent.NeedRepaint = true;

                EvoPoint additionalPoint = new EvoPoint();
                int      i = Numbers.GetRandom(1, shapePoints.Count - 1);
                additionalPoint.X = Numbers.GetAverage(shapePoints[i - 1].X, shapePoints[i].X);
                additionalPoint.Y = Numbers.GetAverage(shapePoints[i - 1].Y, shapePoints[i].Y);
                shapePoints.Insert(i, additionalPoint);
            }
            //Delete point
            if (shapePoints.Count > MinPoints && Numbers.ProbabilityFulfilled(Numbers.RemovePointmutationProbability))
            {
                parent.NeedRepaint = true;
                shapePoints.Remove(
                    shapePoints.ElementAt <EvoPoint>(
                        Numbers.GetRandom(0, shapePoints.Count)));
            }

            color.Mutate(parent);
        }
コード例 #2
0
        //Constructor creating a shape in memory
        public EvoShape(int minPoints, int maxPoints)
        {
            MinPoints = minPoints;
            MaxPoints = maxPoints;

            color = new EvoColor();

            shapePoints = new List <EvoPoint>();
            var center = new EvoPoint();

            for (int i = 0; i < MinPoints; i++)
            {
                int X = Math.Min(Math.Max(0, center.X + Numbers.GetRandom(-3, 3)), Numbers.MaxWidth);
                int Y = Math.Min(Math.Max(0, center.Y + Numbers.GetRandom(-3, 3)), Numbers.MaxHeight);
                shapePoints.Add(new EvoPoint(X, Y));
            }
        }