Beispiel #1
0
        protected void generateEffect(Vector2 loc, Texture2D tex)
        {
            Random r      = new Random();
            int    numOfP = r.Next(160) + 40;

            for (int j = 0; j < numOfP; j++)
            {
                ParticleObject particle;
                particle = new ParticleObject(tex);
                particle.setLocation(new Vector2(loc.X, loc.Y));
                int     x       = r.Next(78);
                double  realX   = (float)((x * .12));
                int     y       = r.Next(78);
                double  realY   = (float)((y * .12));
                double  maxDist = 90;// (.01 * r.Next(400)) + 40;
                Boolean create  = false;
                if (realX * realX + realY * realY < maxDist)
                {
                    create = true;
                }

                int isNeg = r.Next(2);
                if (isNeg == 0)
                {
                    realX *= -1;
                }
                int isNeg2 = r.Next(2);
                if (isNeg2 == 0)
                {
                    realY *= -1;
                }

                particle.direction = (new Vector2((float)realX, (float)realY));

                particle.rotation = (float)Math.Atan2(realY, realX) - (float)(Math.PI / 2);
                if (create)
                {
                    particleList.Add(particle);
                }
            }
        }
Beispiel #2
0
        protected void updateParticles()
        {
            for (int i = 0; i < particleList.Count; i++)
            {
                ParticleObject p = (ParticleObject)particleList[i];
                float          x = p.getLocation().X + p.direction.X - shipSpeed.X / 2;
                float          y = p.getLocation().Y + p.direction.Y - shipSpeed.Y / 2;

                /*if (x < leftSideLoc.X)
                 * {
                 *  p.setDirection(new Vector2(p.getDirection().X * -1, p.getDirection().Y));
                 *  x = leftSideLoc.X + 3;
                 * }
                 * if (x > rightSideLoc.X)
                 * {
                 *  p.setDirection(new Vector2(p.getDirection().X * -1, p.getDirection().Y));
                 *  x = rightSideLoc.X - 1;
                 * }
                 * if (y < topSideLoc.Y)
                 * {
                 *  p.setDirection(new Vector2(p.getDirection().X, p.getDirection().Y * -1));
                 *  y = topSideLoc.Y + 3;
                 * }
                 * if (y > bottomSideLoc.Y)
                 * {
                 *  p.setDirection(new Vector2(p.getDirection().X, p.getDirection().Y * -1));
                 *  y = bottomSideLoc.Y - 1;
                 * }*/
                p.updateSpeed();
                p.setLocation(new Vector2(x, y));
                int life = p.getLifeSpan();
                if (p.getLifeSpan() < 0)
                {
                    particleList.RemoveAt(i);
                }
            }
        }
Beispiel #3
0
        protected void generateEffect(Vector2 loc, Texture2D tex)
        {
            Random r      = new Random();
            int    numOfP = r.Next(120) + 40;
            int    rColor = 0;
            int    gColor = 0;
            int    bColor = 0;



            if (particleColor == 1)   //Green
            {
                rColor = (byte)57;
                gColor = (byte)255;
                bColor = (byte)20;
            }
            if (particleColor == 2)   //lightBlue
            {
                rColor = (byte)0;
                gColor = (byte)191;
                bColor = (byte)255;
            }
            if (particleColor == 3)   //blue
            {
                rColor = (byte)103;
                gColor = (byte)200;
                bColor = (byte)255;
            }
            if (particleColor == 4)   //purple
            {
                rColor = (byte)153;
                gColor = (byte)60;
                bColor = (byte)243;
            }
            if (particleColor == 5)   //pink
            {
                rColor = (byte)255;
                gColor = (byte)0;
                bColor = (byte)255;
            }
            if (particleColor == 6)   //red
            {
                rColor = (byte)254;
                gColor = (byte)0;
                bColor = (byte)1;
            }
            if (particleColor == 7)   //orange
            {
                rColor = (byte)255;
                gColor = (byte)65;
                bColor = (byte)5;
            }
            if (particleColor == 8)   //yellow
            {
                rColor = (byte)255;
                gColor = (byte)255;
                bColor = (byte)0;
            }
            for (int j = 0; j < numOfP; j++)
            {
                ParticleObject particle;
                particle = new ParticleObject(tex);
                particle.setLocation(new Vector2(loc.X, loc.Y));
                particle.rColor = (byte)rColor;
                particle.gColor = (byte)gColor;
                particle.bColor = (byte)bColor;
                int     x       = r.Next(78);
                double  realX   = (float)((x * .12));
                int     y       = r.Next(78);
                double  realY   = (float)((y * .12));
                double  maxDist = 90;// (.01 * r.Next(400)) + 40;
                Boolean create  = false;
                if (realX * realX + realY * realY < maxDist)
                {
                    create = true;
                }
                int isNeg = r.Next(2);
                if (isNeg == 0)
                {
                    realX *= -1;
                }
                int isNeg2 = r.Next(2);
                if (isNeg2 == 0)
                {
                    realY *= -1;
                }
                particle.direction = (new Vector2((float)realX * 2, (float)realY * 2));
                particle.rotation  = (float)Math.Atan2(realY, realX) - (float)(Math.PI / 2);
                if (create)
                {
                    particleList.Add(particle);
                }
            }
        }