path: root/Float.gd

extends Spatial

var linear_drag = 0.99
var angular_drag = 0.5

func _physics_process(_delta):
    var parent = get_parent()
    var water = get_node("/root/Main/Water/MeshInstance")
    #self.global_transform.origin.y = water.height(self.global_transform.origin)
    var height = self.global_transform.origin.y
    var wave_height = water.height(self.global_transform.origin)
    if height < wave_height:
        var pos = self.global_transform.origin-parent.global_transform.origin
        var buoyancy = clamp(wave_height-height,0.0,1.0)
        parent.add_force(Vector3.UP*9.8*buoyancy, pos)
        parent.add_central_force(buoyancy * -parent.linear_velocity * linear_drag)
        parent.add_torque(buoyancy * -parent.angular_velocity * angular_drag)