EntityNoteFX.java

package net.minecraft.client.particle;

import cpw.mods.fml.relauncher.Side;
import cpw.mods.fml.relauncher.SideOnly;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.util.MathHelper;
import net.minecraft.world.World;

@SideOnly(Side.CLIENT)
public class EntityNoteFX extends EntityFX
{
    float noteParticleScale;

    public EntityNoteFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12)
    {
        this(par1World, par2, par4, par6, par8, par10, par12, 2.0F);
    }

    public EntityNoteFX(World par1World, double par2, double par4, double par6, double par8, double par10, double par12, float par14)
    {
        super(par1World, par2, par4, par6, 0.0D, 0.0D, 0.0D);
        this.motionX *= 0.009999999776482582D;
        this.motionY *= 0.009999999776482582D;
        this.motionZ *= 0.009999999776482582D;
        this.motionY += 0.2D;
        this.particleRed = MathHelper.sin(((float)par8 + 0.0F) * (float)Math.PI * 2.0F) * 0.65F + 0.35F;
        this.particleGreen = MathHelper.sin(((float)par8 + 0.33333334F) * (float)Math.PI * 2.0F) * 0.65F + 0.35F;
        this.particleBlue = MathHelper.sin(((float)par8 + 0.6666667F) * (float)Math.PI * 2.0F) * 0.65F + 0.35F;
        this.particleScale *= 0.75F;
        this.particleScale *= par14;
        this.noteParticleScale = this.particleScale;
        this.particleMaxAge = 6;
        this.noClip = false;
        this.setParticleTextureIndex(64);
    }

    public void renderParticle(Tessellator par1Tessellator, float par2, float par3, float par4, float par5, float par6, float par7)
    {
        float var8 = ((float)this.particleAge + par2) / (float)this.particleMaxAge * 32.0F;

        if (var8 < 0.0F)
        {
            var8 = 0.0F;
        }

        if (var8 > 1.0F)
        {
            var8 = 1.0F;
        }

        this.particleScale = this.noteParticleScale * var8;
        super.renderParticle(par1Tessellator, par2, par3, par4, par5, par6, par7);
    }

    /**
     * Called to update the entity's position/logic.
     */
    public void onUpdate()
    {
        this.prevPosX = this.posX;
        this.prevPosY = this.posY;
        this.prevPosZ = this.posZ;

        if (this.particleAge++ >= this.particleMaxAge)
        {
            this.setDead();
        }

        this.moveEntity(this.motionX, this.motionY, this.motionZ);

        if (this.posY == this.prevPosY)
        {
            this.motionX *= 1.1D;
            this.motionZ *= 1.1D;
        }

        this.motionX *= 0.6600000262260437D;
        this.motionY *= 0.6600000262260437D;
        this.motionZ *= 0.6600000262260437D;

        if (this.onGround)
        {
            this.motionX *= 0.699999988079071D;
            this.motionZ *= 0.699999988079071D;
        }
    }
}