    001    package net.minecraft.client.particle;
    002
    003    import cpw.mods.fml.common.Side;
    004    import cpw.mods.fml.common.asm.SideOnly;
    005    import net.minecraft.world.World;
    006
    007    @SideOnly(Side.CLIENT)
    008    public class EntityExplodeFX extends EntityFX
    009    {
    010        public EntityExplodeFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
    011        {
    012            super(par1World, par2, par4, par6, par8, par10, par12);
    013            this.motionX = par8 + (double)((float)(Math.random() * 2.0D - 1.0D) * 0.05F);
    014            this.motionY = par10 + (double)((float)(Math.random() * 2.0D - 1.0D) * 0.05F);
    015            this.motionZ = par12 + (double)((float)(Math.random() * 2.0D - 1.0D) * 0.05F);
    016            this.particleRed = this.particleGreen = this.particleBlue = this.rand.nextFloat() * 0.3F + 0.7F;
    017            this.particleScale = this.rand.nextFloat() * this.rand.nextFloat() * 6.0F + 1.0F;
    018            this.particleMaxAge = (int)(16.0D / ((double)this.rand.nextFloat() * 0.8D + 0.2D)) + 2;
    019        }
    020
    021        /**
    022         * Called to update the entity's position/logic.
    023         */
    024        public void onUpdate()
    025        {
    026            this.prevPosX = this.posX;
    027            this.prevPosY = this.posY;
    028            this.prevPosZ = this.posZ;
    029
    030            if (this.particleAge++ >= this.particleMaxAge)
    031            {
    032                this.setDead();
    033            }
    034
    035            this.setParticleTextureIndex(7 - this.particleAge * 8 / this.particleMaxAge);
    036            this.motionY += 0.004D;
    037            this.moveEntity(this.motionX, this.motionY, this.motionZ);
    038            this.motionX *= 0.8999999761581421D;
    039            this.motionY *= 0.8999999761581421D;
    040            this.motionZ *= 0.8999999761581421D;
    041
    042            if (this.onGround)
    043            {
    044                this.motionX *= 0.699999988079071D;
    045                this.motionZ *= 0.699999988079071D;
    046            }
    047        }
    048    }