EntityHolystoneFX.java

package com.cricketcraft.chisel.entity.fx;

import net.minecraft.client.particle.EntityFX;
import net.minecraft.client.renderer.Tessellator;
import net.minecraft.world.World;

import com.cricketcraft.chisel.block.BlockHolystone;
import com.cricketcraft.chisel.utils.General;

public class EntityHolystoneFX extends EntityFX {

	float initialScale;
	float angleOffset;
	static final float fadetime = 20f;

	public EntityHolystoneFX(World world, BlockHolystone block, double x, double y, double z) {
		super(world, x, y, z, 0, 0, 0);

		initialScale = 1.0f + 1.0f * General.rand.nextFloat();
		angleOffset = rand.nextFloat() * 360;

		particleMaxAge = (int) (Math.random() * 10.0D) + 80;

		setPosition(x, y, z);
		prevPosX = posX;
		prevPosY = posY;
		prevPosZ = posZ;

		noClip = true;

		setParticleIcon(block.iconStar);
	}

	@Override
	public int getFXLayer() {
		return 1;
	}

	@Override
	public void renderParticle(Tessellator tessellator, float partialTick, float rotX, float rotXZ, float rotZ, float rotYZ, float rotXY) {
		particleScale = 0.25f + initialScale * (float) Math.sin((particleAge + angleOffset) / 180.f);

		if (particleAge < fadetime)
			particleAlpha = particleAge / fadetime;
		else if (particleAge + fadetime >= particleMaxAge)
			particleAlpha = (particleMaxAge - particleAge) / fadetime;
		else
			particleAlpha = 1.0f;

		super.renderParticle(tessellator, partialTick, rotX, rotXZ, rotZ, rotYZ, rotXY);

	}

	@Override
	public void onUpdate() {
		if (particleAge++ >= particleMaxAge) {
			setDead();
		}

	}
}