    001package net.minecraft.client.particle;
    002
    003import cpw.mods.fml.relauncher.Side;
    004import cpw.mods.fml.relauncher.SideOnly;
    005import net.minecraft.world.World;
    006
    007@SideOnly(Side.CLIENT)
    008public 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}