Method rayTrace

src/main/java/net/minecraft/entity/Entity.java:1559–1565

(double blockReachDistance, float partialTicks)

    }

    public MovingObjectPosition rayTrace(double blockReachDistance, float partialTicks)
    {
        Vec3 vec3 = this.getPositionEyes(partialTicks);
        Vec3 vec31 = this.getLook(partialTicks);
        Vec3 vec32 = vec3.addVector(vec31.xCoord * blockReachDistance, vec31.yCoord * blockReachDistance, vec31.zCoord * blockReachDistance);
        return this.worldObj.rayTraceBlocks(vec3, vec32, false, false, true);
    }

    /**
     * Returns true if other Entities should be prevented from moving through this Entity.