示例#1
0
        private object obtainGradient(CanvasContext2D context, Particle particle)
        {
            var halfSize = (int) particle.Size >> 1;

            /*   string key = halfSize + particle.DrawColor + particle.SizeSmall;
            if (grads.ContainsKey(key)) {
                return grads[key];
            }*/

            if (Game.DRAWFAST)
                return particle.DrawColor;

            var radgrad = context.CreateRadialGradient(halfSize, halfSize, particle.SizeSmall, halfSize, halfSize, halfSize);
            //var radgrad = context.CreateLinearGradient(halfSize, halfSize, particle.SizeSmall, halfSize);
            radgrad.AddColorStop(0, particle.DrawColor);
            radgrad.AddColorStop(1, particle.DrawColorTransparent); //Super cool if you change these values (and add more Color stops)
            return /*grads[key]=*/ radgrad;
        }