Java tutorial
/******************************************************************************* * Copyright 2015 SteveKunG - More Planets Mod * * This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International Public License. * To view a copy of this license, visit http://creativecommons.org/licenses/by-nc-nd/4.0/. ******************************************************************************/ package stevekung.mods.moreplanets.planets.fronos.particles; import net.minecraft.client.particle.EntityFX; import net.minecraft.client.renderer.Tessellator; import net.minecraft.util.ResourceLocation; import net.minecraft.world.World; import org.lwjgl.opengl.GL11; import cpw.mods.fml.client.FMLClientHandler; import cpw.mods.fml.relauncher.Side; import cpw.mods.fml.relauncher.SideOnly; @SideOnly(Side.CLIENT) public class EntityBlueFlameFX extends EntityFX { private String texture = "fronos:textures/particles/blue_flame.png"; private ResourceLocation particles = new ResourceLocation("textures/particle/particles.png"); private float flameScale; public EntityBlueFlameFX(World world, double x, double y, double z) { super(world, x, y, z); this.motionX = this.motionX * 0.009999999776482582D + this.motionX; this.motionY = this.motionY * 0.009999999776482582D + this.motionY; this.motionZ = this.motionZ * 0.009999999776482582D + this.motionZ; x += (this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F; y += (this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F; z += (this.rand.nextFloat() - this.rand.nextFloat()) * 0.05F; this.flameScale = this.particleScale; this.particleMaxAge = (int) (8.0D / (Math.random() * 0.8D + 0.2D)) + 4; this.noClip = true; } @Override public void renderParticle(Tessellator tessellator, float par2, float par3, float par4, float par5, float par6, float par7) { float f = (this.particleAge + par2) / this.particleMaxAge; this.particleScale = this.flameScale * (1.0F - f * f * 1.0F); super.renderParticle(tessellator, par2, par3, par4, par5, par6, par7); tessellator.draw(); GL11.glPushMatrix(); GL11.glDepthMask(false); GL11.glEnable(GL11.GL_BLEND); FMLClientHandler.instance().getClient().renderEngine.bindTexture(new ResourceLocation(this.texture)); float sizeFactor = 0.1F * this.particleScale; float var13 = (float) (this.prevPosX + (this.posX - this.prevPosX) * par2 - EntityFX.interpPosX); float var14 = (float) (this.prevPosY + (this.posY - this.prevPosY) * par2 - EntityFX.interpPosY); float var15 = (float) (this.prevPosZ + (this.posZ - this.prevPosZ) * par2 - EntityFX.interpPosZ); tessellator.startDrawingQuads(); tessellator.setBrightness(240); tessellator.setColorRGBA_F(this.particleRed, this.particleGreen, this.particleBlue, 1.0F); tessellator.addVertexWithUV(var13 - par3 * sizeFactor - par6 * sizeFactor, var14 - par4 * sizeFactor, var15 - par5 * sizeFactor - par7 * sizeFactor, 0.0D, 1.0D); tessellator.addVertexWithUV(var13 - par3 * sizeFactor + par6 * sizeFactor, var14 + par4 * sizeFactor, var15 - par5 * sizeFactor + par7 * sizeFactor, 1.0D, 1.0D); tessellator.addVertexWithUV(var13 + par3 * sizeFactor + par6 * sizeFactor, var14 + par4 * sizeFactor, var15 + par5 * sizeFactor + par7 * sizeFactor, 1.0D, 0.0D); tessellator.addVertexWithUV(var13 + par3 * sizeFactor - par6 * sizeFactor, var14 - par4 * sizeFactor, var15 + par5 * sizeFactor - par7 * sizeFactor, 0.0D, 0.0D); tessellator.draw(); GL11.glDisable(GL11.GL_BLEND); GL11.glDepthMask(true); GL11.glPopMatrix(); FMLClientHandler.instance().getClient().renderEngine.bindTexture(this.particles); tessellator.startDrawingQuads(); } @Override public int getBrightnessForRender(float light) { float f = (this.particleAge + light) / this.particleMaxAge; int i = super.getBrightnessForRender(light); int j = i & 0xFF; int k = i >> 16 & 0xFF; j += (int) (f * 15.0F * 16.0F); if (f < 0.0F) { f = 0.0F; } if (f > 1.0F) { f = 1.0F; } if (j > 240) { j = 240; } return j | k << 16; } @Override public float getBrightness(float light) { float f1 = (this.particleAge + light) / this.particleMaxAge; float f2 = super.getBrightness(light); if (f1 < 0.0F) { f1 = 0.0F; } if (f1 > 1.0F) { f1 = 1.0F; } return f2 * f1 + (1.0F - f1); } @Override 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); this.motionX *= 0.9599999785423279D; this.motionY *= 0.9599999785423279D; this.motionZ *= 0.9599999785423279D; if (this.onGround) { this.motionX *= 0.699999988079071D; this.motionZ *= 0.699999988079071D; } } }