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.util.MathHelper;
007    import net.minecraft.world.World;
008    
009    @SideOnly(Side.CLIENT)
010    public class EntityNoteFX extends EntityFX
011    {
012        float noteParticleScale;
013    
014        public EntityNoteFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
015        {
016            this(par1World, par2, par4, par6, par8, par10, par12, 2.0F);
017        }
018    
019        public EntityNoteFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, float par14)
020        {
021            super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
022            this.motionX *= 0.009999999776482582D;
023            this.motionY *= 0.009999999776482582D;
024            this.motionZ *= 0.009999999776482582D;
025            this.motionY += 0.2D;
026            this.particleRed = MathHelper.sin(((float)par8 + 0.0F) * (float)Math.PI * 2.0F) * 0.65F + 0.35F;
027            this.particleGreen = MathHelper.sin(((float)par8 + 0.33333334F) * (float)Math.PI * 2.0F) * 0.65F + 0.35F;
028            this.particleBlue = MathHelper.sin(((float)par8 + 0.6666667F) * (float)Math.PI * 2.0F) * 0.65F + 0.35F;
029            this.particleScale *= 0.75F;
030            this.particleScale *= par14;
031            this.noteParticleScale = this.particleScale;
032            this.particleMaxAge = 6;
033            this.noClip = false;
034            this.setParticleTextureIndex(64);
035        }
036    
037        public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
038        {
039            float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;
040    
041            if (var8 < 0.0F)
042            {
043                var8 = 0.0F;
044            }
045    
046            if (var8 > 1.0F)
047            {
048                var8 = 1.0F;
049            }
050    
051            this.particleScale = this.noteParticleScale * var8;
052            super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
053        }
054    
055        /**
056         * Called to update the entity's position/logic.
057         */
058        public void onUpdate()
059        {
060            this.prevPosX = this.posX;
061            this.prevPosY = this.posY;
062            this.prevPosZ = this.posZ;
063    
064            if (this.particleAge++ >= this.particleMaxAge)
065            {
066                this.setDead();
067            }
068    
069            this.moveEntity(this.motionX, this.motionY, this.motionZ);
070    
071            if (this.posY == this.prevPosY)
072            {
073                this.motionX *= 1.1D;
074                this.motionZ *= 1.1D;
075            }
076    
077            this.motionX *= 0.6600000262260437D;
078            this.motionY *= 0.6600000262260437D;
079            this.motionZ *= 0.6600000262260437D;
080    
081            if (this.onGround)
082            {
083                this.motionX *= 0.699999988079071D;
084                this.motionZ *= 0.699999988079071D;
085            }
086        }
087    }