Draw a heart under player but it won't rotate

HeartCurve.kt

        fun drawHeart(player: Player) {
            val loc = player.location.add(0.0, -1.0, 0.0)
            val radius = 0.1
            val particleType = Particle.REDSTONE

            val step = Math.PI / 32
            for (i in 0..63) {
                val theta = i * step
                val x = radius * (16 * sin(theta).pow(3))
                val z = radius * (13 * cos(theta) - 5 * cos(2 * theta) - 2 * cos(3 * theta) - cos(4 * theta))
                loc.add(x, 0.0, z)
                player.spawnParticle(particleType, loc, 0, Particle.DustOptions(Color.RED, 1f))
                loc.subtract(x, 0.0, z)
            }
        }