Lua_Strategy_Game/rocket.script at main · bob010010/Lua_Strategy_Game · GitHub

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function init(self)
	self.life = 1.5
	self.speed = 200
	local rotation_quat = go.get_rotation()

	self.direction = vmath.rotate(rotation_quat, vmath.vector3(1, 0, 0))

	self.step = vmath.vector3(self.direction.x, self.direction.y, 0)
	self.damage = 0

	self.design = nil
	table.insert(_G.rockets, go.get_id())  -- Store this person's ID

end

function update(self, dt)
	local pos = go.get_position()
	pos = pos + self.step * self.speed * dt
	go.set_position(pos)

	self.life = self.life - dt
	if self.life < 0 then
		msg.post("/initfactory#init_spawner", "gone", {r_id = go.get_id(), type="rocket"})
		go.delete()
	end
	if self.design == "arrows" then
		msg.post("#sprite", "play_animation", {id = hash("arrow")})
	elseif self.design == "stone" then
		msg.post("#sprite", "play_animation", {id = hash("pebble")})
	else
		msg.post("#sprite", "play_animation", {id = hash("rocket")})
	end
end

function on_message(self, message_id, message, sender)
	if message_id == hash("collision_response") then
		msg.post("/initfactory#init_spawner", "gone", {r_id = go.get_id(), type="rocket"})
		msg.post(message.other_id, "hit", {damage = self.damage})
		go.delete()
	end
	if message_id == hash("info") then
		self.damage = message.damage
		self.life = message.life
		self.design = message.design
		if message.design == "arrows" then
			local rotation_quat = go.get_rotation()
			local angle = math.rad(-45)
			local new_rotation = vmath.quat_rotation_z(angle) * rotation_quat
			go.set_rotation(new_rotation)
			local new_scale = go.get_scale() * 0.02
			go.set_scale(new_scale)
		elseif message.design == "stone" then
			local angle = math.rad(math.random(-180,180))
			local new_rotation = vmath.quat_rotation_z(angle)
			go.set_rotation(new_rotation)
			local new_scale = go.get_scale() * 0.01
			go.set_scale(new_scale)
		end
	end
end