gravitysimulationmoduel

local module = {}
local ratio = math.sqrt(3) / math.sqrt(2)
local e = 50 * ratio
local f = 1000 * ratio
function module:newParticle(x, y, z, mass, radius, locked)
    local newparticle = {}
    newparticle.pos = Vector3.new(x, y, z)
    newparticle.vel = Vector3.new()
    newparticle.acc = Vector3.new()
    newparticle.mass = mass
    newparticle.particle = Instance.new("SpawnLocation", script)
    newparticle.particle.Anchored = true
    newparticle.particle.Enabled = false
    newparticle.particle.Position = newparticle.pos
    newparticle.particle.Shape = "Ball"
    newparticle.particle.Size = Vector3.new(radius*2, radius*2, radius*2)
    newparticle.particle.Transparency = 1

    function newparticle:applyForce(force)
        local applied_force = force/self.mass
        self.acc += applied_force
    end

    function newparticle:grav(other)
        local dvector = self.pos - other.pos
        local distance = dvector.Magnitude
        local dsquared = math.clamp(distance*distance, e, f)
        local g = 5
        local GForcebot = g*self.mass*other.mass/dsquared -- lo
        dvector = dvector * (1/dvector.Magnitude) * GForcebot
        other:applyForce(dvector)
    end

    function newparticle:updateMovements(other)
        if not self.locked then
            self:grav(other)
            self.vel += self.acc
            self.pos += self.vel
            self.particle.Position = self.pos
            self.acc = Vector3.new()
        else
            self:grav(other)
        end
    end

    function newparticle:visualize()
        self.particle.Transparency = 0
    end
    return newparticle
end

return module