Solved Launch a snowball at the look direction of a player

Discussion in 'Plugin Development' started by 4thegame3, Nov 3, 2015.

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    Hello. I'm trying to spawn a snowball and to give it a velocity.
    I can't use the method player.launchprojectile for reasons that i wont explain here.
    So i decided to use world.spawnEntity method.
    Now i just need to give it a velocity in the direction the player is looking at.
    Location loc = start.getLocation();
    World w = start.getWorld();
    Projectile proj = w.spawn(loc.add(0,1.5D,0),Snowball.class);
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    Have you tried looking at the methods in Location class? There's one that does exactly what you're asking.
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    Yea sure, thanks for the spoonfeeding mr mistery.
    Solved by myself, for anyone who needs the code here it is.
    Vector v = start.getLocation().getDirection();
            Location loc = start.getLocation().add(v.clone().multiply(2));
            World w = start.getWorld();
            Projectile proj = w.spawn(loc.add(0,1.5D,0), Snowball.class);
            System.out.println(start.getLocation().getPitch() +" "+start.getLocation().getYaw());
            Vector vec = new Vector(0,0,1);
            VectorUtils.rotateAroundAxisX(vec, (start.getLocation().getPitch()) * MathUtils.degreesToRadians);
            VectorUtils.rotateAroundAxisY(vec, -start.getLocation().getYaw() * MathUtils.degreesToRadians);
    I used the 2 libraries from open source library EffectLib. (MathUtils and VectorUtils)
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