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--
-- All or portions of this file Copyright (c) Amazon.com, Inc. or its affiliates or
-- its licensors.
--
-- For complete copyright and license terms please see the LICENSE at the root of this
-- distribution (the "License"). All use of this software is governed by the License,
-- or, if provided, by the license below or the license accompanying this file. Do not
-- remove or modify any license notices. This file is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
--
--
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ParticlePhysics = 
{
	Properties = 
	{
		object_Model = "Objects/default/primitive_box.cgf",
		
		Particle =
		{
			mass = 50.0,
			radius = 1.0,
			air_resistance = 0.0,
			gravity = {x=0.0, y=0.0, z=-9.81},
			water_resistance = 0.5,
			water_gravity = {x=0.0, y=0.0, z=-9.81*0.8},
			min_bounce_vel = 1.5,
			accel_thrust = 0,
			accel_lift = 0,
			velocity = {x=0.0, y=0.0, z=0.0},
			thickness = 1.0,
			wspin = {x=0.0, y=0.0, z=0.0},
			normal = {x=0.0, y=0.0, z=1.0},
			pierceability = 15,
			constant_orientation = false,
			single_contact = true,
			no_roll = false,
			no_spin = true,
			no_path_alignment = false,
			collider_to_ignore = 0,
			material = "", -- this is supposed to be the surface type
		},
	},	
	
	Editor =
	{
		Icon = "physicsobject.bmp",
		IconOnTop = 1,
	},
}

function ParticlePhysics:SetFromProperties()
	local Properties = self.Properties;
	
	self:FreeSlot(0);
	
	if (Properties.object_Model ~= "") then
		self:LoadObject(0, Properties.object_Model);
	end
	
	NormalizeVector(Properties.Particle.normal);
	self:Physicalize(0, PE_PARTICLE, Properties);
	self:SetSlotPos(0, {0.0, 0.0, -Properties.Particle.thickness*0.5});
end

function ParticlePhysics:OnSpawn()
	self:OnReset();
end

function ParticlePhysics:OnPropertyChange()
	self:OnReset();
end

function ParticlePhysics:OnReset()
	self:SetFromProperties();
end