001    package net.minecraft.client.particle;
002    
003    import cpw.mods.fml.relauncher.Side;
004    import cpw.mods.fml.relauncher.SideOnly;
005    import net.minecraft.client.renderer.Tessellator;
006    import net.minecraft.world.World;
007    
008    @SideOnly(Side.CLIENT)
009    public class EntityHeartFX extends EntityFX
010    {
011        float particleScaleOverTime;
012    
013        public EntityHeartFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
014        {
015            this(par1World, par2, par4, par6, par8, par10, par12, 2.0F);
016        }
017    
018        public EntityHeartFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, float par14)
019        {
020            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
021            this.motionX *= 0.009999999776482582D;
022            this.motionY *= 0.009999999776482582D;
023            this.motionZ *= 0.009999999776482582D;
024            this.motionY += 0.1D;
025            this.particleScale *= 0.75F;
026            this.particleScale *= par14;
027            this.particleScaleOverTime = this.particleScale;
028            this.particleMaxAge = 16;
029            this.noClip = false;
030            this.setParticleTextureIndex(80);
031        }
032    
033        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
034        {
035            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
036    
037            if (var8 < 0.0F)
038            {
039                var8 = 0.0F;
040            }
041    
042            if (var8 > 1.0F)
043            {
044                var8 = 1.0F;
045            }
046    
047            this.particleScale = this.particleScaleOverTime * var8;
048            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
049        }
050    
051        /**
052         * Called to update the entity's position/logic.
053         */
054        public void onUpdate()
055        {
056            this.prevPosX = this.posX;
057            this.prevPosY = this.posY;
058            this.prevPosZ = this.posZ;
059    
060            if (this.particleAge++ >= this.particleMaxAge)
061            {
062                this.setDead();
063            }
064    
065            this.moveEntity(this.motionX, this.motionY, this.motionZ);
066    
067            if (this.posY == this.prevPosY)
068            {
069                this.motionX *= 1.1D;
070                this.motionZ *= 1.1D;
071            }
072    
073            this.motionX *= 0.8600000143051147D;
074            this.motionY *= 0.8600000143051147D;
075            this.motionZ *= 0.8600000143051147D;
076    
077            if (this.onGround)
078            {
079                this.motionX *= 0.699999988079071D;
080                this.motionZ *= 0.699999988079071D;
081            }
082        }
083    }